Biocidal compositions and methods of use

Provided are biocidal compositions comprising 2,2-dibromo-3- nitrilopropionamide and a compound selected from the group consisting of l-(3- chloroallyl)-3,5,7-triaza-l-azoniaadamantane; tris(hydroxymethyl)-nitromethane; and a hexahydrotriazine compound. The compositions are useful for controlling microorganisms in aqueous or water containing systems.

Methods of and formulations for reducing and inhibiting the growth of the concentration of microbes in water-based fluids and systems used with them

SYNERGISTIC ANTIMICROBIAL COMPOSITION

A synergistic antimicrobial composition having two components. The first component is a hydroxymethyl-substituted phosphorus compound. The second component is the following biocide: 2,6-dimethyl- 1,3 -dioxan-4-yl acetate.

SYNERGISTIC ANTIMICROBIAL COMPOSITION

A synergistic antimicrobial composition having two components. The first component is a hydroxymethyl-substituted phosphorus compound. The second component is the following biocide: 2,6-dimethyl- 1,3 -dioxan-4-yl acetate.

BIOCIDAL COMPOSITIONS AND METHODS OF USE

Provided are biocidal compositions comprising: a hydroxymethyl-substituted phosphorus compound and 2-(decylthio)ethanamine compound. The compositions are useful for controlling microorganisms in aqueous or water-containing systems.

Synergistic antimicrobial composition containing ortho - phenylphenol and formaldehyde releasing biocides

A synergistic antimicrobial composition. The composition contains at least two components. The first component is ortho-phenylphenol or its alkali metal or ammonium salts. The second component is: 4, 4 - dimethyloxazolidine (DMOZ), tris (hydroxymethy) nitromethane or hexahydro- 1,3,5-tris (2 -hydroxyethyl) - s - triazine.

MICROBICIDAL COMPOSITION

A synergistic microbicidal composition comprising a non-ionic surfactant and glutaraldehyde and a method for inhibiting the growth of microorganisms in an aqueous medium.

Compositions of dibromomalonamide and their use as biocides

A biocidal composition comprising a synergistic ratio of 2,2-dibromomalonamide and hydroxymethyl-substituted phosphorus compound, and its use for the control of microorganisms in aqueous and water-containing systems.

Microbicidal composition

A synergistic microbicidal composition having two components. The first component is a nonionic surfactant with structure: R ...

MICROBICIDAL COMPOSITION

A synergistic microbicidal composition comprising a non-ionic surfactant and glutaraldehyde and a method for inhibiting the growth of microorganisms in an aqueous medium.

Microbicidal composition

An aqueous microbicidal composition having two components. The first component is a nonionic surfactant with structure: R2O(CH2CH(CH3)O)3(CH2CH2O)5H, where R2 is a mixture of C8-C14 linear alkyl groups. The second component is a benzoate or sorbate salt. The weight ratio of the nonionic surfactant to the benzoate or sorbate salt is from 1:0.12 to 1:109.7646.

Synergistic antimicrobial composition

A synergistic antimicrobial composition comprising: (a) a hydroxymethyl-substituted phosphorus compound selected from the group consisting of tetrakis(hydroxymethyl)phoshponium salts and tris(hydroxymethyl)phosphine; and (b) tris(hydroxymethyl)nitromethane.

GLUTARALDEHYDE BASED BIOCIDAL COMPOSITIONS AND METHODS OF USE

A composition comprising: glutaraldehyde; and a hexahydrotriazine compound.

Microbicidal composition

A synergistic microbicidal composition having two components. The first component is a nonionic surfactant with structure: R ...

A METHOD FOR BIOFILM DISPERSAL

The present invention relates to a method for dispersing biofilm, especially biofilm formed by the sulphate reducing bacteria, Desulfovibrio desulfuricans and Desulfovibrio vulgaris, by contacting said biofilm with a compound selected from the group of mannose, 2-deoxy-D-glucose, methyl a-D-mannopyranoside and methyl a-D- glucopyranoside.

MICROBICIDAL COMPOSITION

A synergistic microbicidal composition having two components. The first component is a nonionic surfactant with structure: R1O(CH2CH(CH3)O)5(CH2CH2O)9H, where R1 is a C8 alkyl group. The second component is cis-1-(3-chloroallyl)-3,5,7-triaza-1-azoniaadamantane chloride. The weight ratio of the nonionic surfactant to cis-1-(3-chloroallyl)-3,5,7-triaza-1- azoniaadamantane chloride is from 1:0.2 to 1:1.1429.

BIOCIDAL COMPOSITIONS AND METHODS OF USE

Provided are biocidal compositions comprising: a hydroxymethyl- substituted phosphorus compound and a polymeric biguanide. The compositions are useful for controlling microorganisms in aqueous or water-containing systems.

COMPOSITIONS OF DIBROMOMALONAMIDE AND THEIR USE AS BIOCIDES

A biocidal composition comprising 2,2-dibromomalonamide and an aldehyde-based biocidal compound, and its use for the control of microorganisms in aqueous and water-containing systems.

Synergistic antimicrobial composition

A synergistic antimicrobial composition having two components. The first component is a hydroxymethyl-substituted phosphorus compound. The second component is cis-1-(3-chloroallyl)-3,5,7-triaza-1-azoniaadamantane chloride.

Biocidal compositions and methods of use

Provided is a biocidal composition comprising glutaraldehyde and an oxazolidine biocidal compound. The composition is useful for controlling microorganisms in aqueous or water containing systems such as found in oil and natural gas production.

SYNERGISTIC ANTIMICROBIAL COMPOSITION

A synergistic antimicrobial composition comprising: (a) ortho-phenylphenol or its alkali metal or ammonium salts; and (b) hexahydro-1,3,5-tris(2-hydroxyethyl)-s-triazine; wherein a weight ratio of ortho-phenylphenol or its alkali metal or ammonium salts to hexahydro-1,3,5-tris(2-hydroxyethyl)-s-triazine is from 15:1 to 1:15.

Synergistic antimicrobial composition

A synergistic antimicrobial composition having two components. The first component is a hydroxymethyl-substituted phosphorus compound. The second component is cis-1-(3-chloroallyl)-3,5,7-triaza-1-azoniaadamantane chloride.

Synergistic antimicrobial composition containing ortho - phenylphenol and formaldehyde releasing biocides

A synergistic antimicrobial composition. The composition contains at least two components. The first component is ortho-phenylphenol or its alkali metal or ammonium salts. The second component is: 4, 4 - dimethyloxazolidine (DMOZ), tris (hydroxymethy) nitromethane or hexahydro- 1,3,5-tris (2 -hydroxyethyl) - s - triazine.

MICROBICIDAL COMPOSITION

A synergistic microbicidal composition comprising: (a) a nonionic surfactant with structure: R2O(CH 2CH(CH 3)O) 3(CH 2CH 20) 5H where R2 is a mixture of C8-C14 linear alkyl groups; and (b) 4,4-dimethyloxazolidine; wherein a weight ratio of said nonionic surfactant to 4,4-dimethyloxazolidine is from 1:0.06 to 1:0.6857.

MICROBICIDAL COMPOSITION

A synergistic microbicidal composition comprising a hydroxymethyl-substituted phosphorus compound and nitrate, a method for inhibiting the growth of microorganisms in an aqueous medium.

COMPOSITIONS OF DIBROMOMALONAMIDE AND THEIR USE AS BIOCIDES

A biocidal composition comprising a synergistic ratio of 2,2-dibromomalonamide and hydroxymethyl-substituted phosphorus compound, and its use for the control of microorganisms in aqueous and water-containing systems.

BIOCIDAL COMPOSITIONS AND METHODS OF USE

Provided are biocidal compositions comprising: a hydroxymethyl- substituted phosphorus compound and an isothiazolinone compound selected from 1,2-benzisothiazolin-3-one, 2-methyl-l,2-benzisothiazolin-3-one, and mixtures thereof. The compositions are useful for controlling microorganisms in aqueous or water-containing systems.

Synergistic antimicrobial composition of 1,2-Benzisothiazolin-3-one and tris(hydroxymethyl)nitromethane

ATTORNEY DOCKET NO.: 69107 A synergistic antimicrobial composition containing 1,2-benzisothiazolin-3-one and tris(hydroxymethyl)nitromethane.

Biocidal compositions and methods of use

Provided are biocidal compositions comprising: a hydroxymethyl- substituted phosphorus compound and an isothiazolinone compound selected from 1,2-benzisothiazolin-3-one, 2-methyl-l,2-benzisothiazolin-3-one, and mixtures thereof. The compositions are useful for controlling microorganisms in aqueous or water-containing systems.

Microbicidal composition

A synergistic microbicidal composition comprising a non-ionic surfactant and glutaraldehyde and a method for inhibiting the growth of microorganisms in an aqueous medium.

Microbicidal composition comprising bronopol, dazomet or a mixture of 4-(2-nitrobutyl)morpholine and 4,4'-(2-ethyl-2-nitrotrimethylene)dimorpholine

A synergistic microbicidal composition having two components. The first component is a nonionic surfactant with structure: R

Microbicidal composition

A synergistic microbicidal composition comprising a non-ionic surfactant and glutaraldehyde and a method for inhibiting the growth of microorganisms in an aqueous medium.

Microbicidal composition

A synergistic microbicidal composition comprising a non-ionic surfactant and glutaraldehyde and a method for inhibiting the growth of microorganisms in an aqueous medium.

Synergistic antimicrobial composition containing glutaraldehyde and dimethoxane (2, 6 -dimethyl-1, 3 -dioxan- 4 -yl acetate)

A synergistic antimicrobial composition having two components. The first component is glutaraldehyde. The second component is 2,6-dimethyl-1,3-dioxan-4-yl acetate.

Methods of and formulations for reducing and inhibiting the growth of the concentration of microbes in water-based fluids and systems used with them

The present invention provides methods and formulations for reducing or inhibiting increase in the concentration of microbes in a water-based fluid. The methods and formulations of the present invention use an oxazolidine compound and a hydroxymethyl-substituted phosphorus compound selected from the group consisting of tetrakis(hydroxymethyl)phoshponium salts, C1-C3 alkyl- and alkenyltris(hydroxymethyl)phosphonium salts and tris(hydroxymethyl)phosphine. The methods and formulations of the present invention can be useful in treating water contaminated with aerobic or anaerobic bacteria in oilfield, natural gas field, and other industrial applications.

COMPOSITIONS OF DIBROMOMALONAMIDE AND THEIR USE AS BIOCIDES

A biocidal composition comprising 2,2-dibromomalonamide and 2,2-dibromo-3-nitrilopropionamide, and its use for the control of microorganisms in aqueous and water-containing systems.

Synergistic antimicrobial composition

A synergistic antimicrobial composition having two components. The first component is a hydroxymethyl-substituted phosphorus compound. The second component is one of the following biocides: hexahydro-1,3,5-tris(2-hydroxyethyl)-s-triazine, 2,6-dimethyl-1,3-dioxan-4-yl acetate or ortho-phenylphenol or its alkali metal or ammonium salts.

SYNERGISTIC ANTIMICROBIAL COMPOSITION

A synergistic antimicrobial composition comprising: (a) ortho-phenylphenol or its alkali metal or ammonium salts; and (b) tris(hydroxymethyl)nitromethane; wherein a weight ratio of ortho-phenylphenol or its alkali metal or ammonium salts to tris(hydroxymethyl)nitromethane is from 15:1 to 1:15.

Glutaraldehyde based biocidal compositions and methods of use

Provided are biocidal compositions comprising glutaraldehyde and a compound selected from the group consisting of l-(3-chloroallyl)-3,5,7-triaza-l- azoniaadamantane; tris(hydroxymethyl)-nitromethane; and a hexahydrotriazine compound. The compositions are useful for controlling microorganisms in aqueous or water-containing systems.

Synergistic antimicrobial composition

A synergistic antimicrobial composition having two components. The first component is a hydroxymethyl-substituted phosphorus compound. The second component is one of the following biocides: hexahydro-1,3,5-tris(2-hydroxyethyl)-s-triazine, 2,6-dimethyl-1,3-dioxan-4-yl acetate or ortho-phenylphenol or its alkali metal or ammonium salts.

Methods of and formulations for reducing and inhibiting the growth of the concentration of microbes in water-based fluids and systems used with them

The present invention provides methods and formulations for reducing or inhibiting increase in the concentration of microbes in a water-based fluid. The methods and formulations of the present invention use an oxazolidine compound and a hydroxymethyl-substituted phosphorus compound selected from the group consisting of tetrakis(hydroxymethyl)phoshponium salts, C ...

MICROBICIDAL COMPOSITION

A synergistic microbicidal composition comprising: (a) a nonionic surfactant with structure: R2O(CH 2CH(CH 3)O)3(CH 2CH 20) 7H where R2 is a mixture of C8-C14 linear alkyl groups; and (b) tris(hydroxymethyl)nitromethane; wherein a weight ratio of said nonionic surfactant to tris(hydroxymethyl)nitromethane is from 1:0.16 to 1:1.8286.

MICROBICIDAL COMPOSITION

A synergistic microbicidal composition comprising: (a) a nonionic surfactant with structure: R2O(CH 2CH(CH 3)O) 3(CH 2CH 20) 5H where R2 is a mixture of C8-C14 linear alkyl groups; and (b) 4,4-dimethyloxazolidine; wherein a weight ratio of said nonionic surfactant to 4,4-dimethyloxazolidine is from 1:0.06 to 1:0.6857.

MICROBICIDAL COMPOSITION

A synergistic microbicidal composition comprising a non-ionic surfactant and glutaraldehyde and a method for inhibiting the growth of microorganisms in an aqueous medium.

BIOCIDAL COMPOSITIONS AND METHODS OF USE

Provided are biocidal compositions comprising: a hydroxymethyl- substituted phosphorus compound and a polymeric biguanide. The compositions are useful for controlling microorganisms in aqueous or water-containing systems.

BIOCIDAL COMPOSITIONS AND METHODS OF USE

Provided are biocidal compositions comprising: a hydroxymethyl- substituted phosphorus compound and an isothiazolinone compound selected from 1,2-benzisothiazolin-3-one, 2-methyl-l,2-benzisothiazolin-3-one, and mixtures thereof. The compositions are useful for controlling microorganisms in aqueous or water-containing systems.

MICROBICIDAL COMPOSITION COMPRISING BRONOPOL, DAZOMET OR A MIXTURE OF 4-(2-NITROBUTYL)MORPHOLINE AND 4,4'-(2-ETHYL-2-NITROTRIMETHYLENE)DIMORPHOLINE

A synergistic microbicidal composition having two components. The first component is a nonionic surfactant with structure: R20(CH2CH(CH3)0)3(CH2CH20)5H, where R2is a mixture of C8-C14linear alkyl groups. The second component is 2-bromo-2- nitropropane-l,3-diol (bronopol), tetrahydro-3,5-dimethyl-2H-l,3,5-thiadiazine-2-thione (dazomet) or a mixture of 4-(2-nitrobutyl) morpholine and 4,4'-(2-ethyl-2-nitrotrimethylene)dimorpholine.

Microbicidal composition

A synergistic microbicidal composition comprising a non-ionic surfactant and glutaraldehyde and a method for inhibiting the growth of microorganisms in an aqueous medium.

Microbicidal composition

A synergistic microbicidal composition having two components. The first component is a nonionic surfactant with structure: R1O(CH2CH(CH3)O)5(CH2CH2O)9H, where R1 is a C8 alkyl group. The second component is 2-decylthioethylamine. The weight ratio of the nonionic surfactant to 2-decylthioethylamine is from 1:0.004 to 1:0.0137 or 1:0.016 to 1:0.4571.

Compositions of dibromomalonamide and their use as biocides

The invention relates to a biocidal composition comprising 2,2-dibromomalonamide and an aldehyde-based biocidal compound, and its use for the control of microorganisms in aqueous and water-containing systems.

Synergistic antimicrobial composition

A synergistic antimicrobial composition having two components. The first component is glutaraldehyde. The second component is 2,6-dimethyl-1,3-dioxan-4-yl acetate.

Microbicidal composition

A synergistic microbicidal composition comprising a non-ionic surfactant and glutaraldehyde and a method for inhibiting the growth of microorganisms in an aqueous medium.

SYNERGISTIC ANTIMICROBIAL COMPOSITION OF 1,2-BENZISOTHIAZOLIN-3-ONE AND TRIS(HYDROXYMETHYL)NITROMETHANE

PROBLEM TO BE SOLVED: To provide a method for controlling microorganism in oil and gas field injection, produced fluids, fracturing fluids and functional fluids, oil and gas wells, oil and gas operation, separation, storage and transportation systems, and various systems of industrial water. SOLUTION: There is provided a synergistic antimicrobial composition containing 1,2-benzisothiazolin-3-one and tris(hydroxymethyl)nitromethane. COPYRIGHT: (C)2012,JPO&INPIT ...

Brominated nitroalkanol compositions and their use as biocides

Provided are biocidal compositions comprising: tris (hydroxymethyl) nitromethane; and a brominated nitroalkanol compound of formula I: (I) wherein R

SYNERGISTIC ANTIMICROBIAL COMPOSITION

A synergistic antimicrobial composition having two components. The first component is a hydroxymethyl-substituted phosphorus compound. The second component is the following biocide: ortho-phenylphenol or its alkali metal or ammonium salts.

SYNERGISTIC ANTIMICROBIAL COMPOSITION

A synergistic antimicrobial composition comprising: (a) ortho-phenylphenol or its alkali metal or ammonium salts; and (b) tris(hydroxymethyl)nitromethane; wherein a weight ratio of ortho-phenylphenol or its alkali metal or ammonium salts to tris(hydroxymethyl)nitromethane is from 15:1 to 1:15.

Synergistic antimicrobial composition

A synergistic antimicrobial composition comprising: (a) a hydroxymethyl-substituted phosphorus compound selected from the group consisting of tetrakis(hydroxymethyl)phoshponium salts and tris(hydroxymethyl)phosphine; and (b) tris(hydroxymethyl)nitromethane.

Biocidal compositions and methods of use

Provided are biocidal compositions comprising 2,2-dibromo-3- nitrilopropionamide and a compound selected from the group consisting of l-(3- chloroallyl)-3,5,7-triaza-l-azoniaadamantane; tris(hydroxymethyl)-nitromethane; and a hexahydrotriazine compound. The compositions are useful for controlling microorganisms in aqueous or water containing systems.

Synergistic microbicidal compositions comprising 2, 2 - dibromomalonamide and an oxidizing biocide

The application describes synergistic microbicidal compositions comprising: 2,2-dibromomalonamide and an oxidizing biocide selected from the group consisting of: monochloramine, bromochlorodimethylhydantoin, hypobromite ion or hypobromous acid, hydrogen peroxide, dichloroisocyanurate, trichloroisocyanurate and chlorine dioxide and a method for controlling microorganism growth in an aqueous or water-containing system.

Biocidal compositions and methods of use

Biocidal compositions and methods of use

Provided are biocidal compositions comprising: a hydroxymethyl-substituted phosphorus compound and 2-(decylthio)ethanamine compound. The compositions are useful for controlling microorganisms in aqueous or water-containing systems.

Polymeric biguanide based biocidal compositions and methods of use

Provided are biocidal compositions comprising: a hydroxymethyl- substituted phosphorus compound and a polymeric biguanide. The compositions are useful for controlling microorganisms in aqueous or water-containing systems.

Compositions of dibromomalonamide and their use as biocides

A biocidal composition comprising a synergistic ratio of 2,2-dibromomalonamide and hydroxymethyl-substituted phosphorus compound, and its use for the control of microorganisms in aqueous and water-containing systems.

GLUTARALDEHYDE BASED BIOCIDAL COMPOSITIONS AND METHODS OF USE

A composition comprising: glutaraldehyde; and tris(hydroxymethyl)-nitromethane.

Synergistic antimicrobial composition of 1,2-Benzisothiazolin-3-one and tris(hydroxymethyl)nitromethane

ATTORNEY DOCKET NO.: 69107 A synergistic antimicrobial composition containing 1,2-benzisothiazolin-3-one and tris(hydroxymethyl)nitromethane.

Synergistic microbicidal compositions comprising 2,2-dibromomalonamide and an oxidizing biocide

The application describes synergistic microbicidal compositions comprising: 2,2-dibromomalonamide and an oxidizing biocide selected from the group consisting of: monochloramine, bromochlorodimethylhydantoin, hypobromite ion or hypobromous acid, hydrogen peroxide, dichloroisocyanurate, trichloroisocyanurate and chlorine dioxide and a method for controlling microorganism growth in an aqueous or water-containing system.

Microbicidal composition

A synergistic microbicidal composition having two components. The first component is a nonionic surfactant with structure: R2O(CH2CH(CH3)O)3(CH2CH2O)5H, where R2 is a mixture of C8-C14 linear alkyl groups. The second component is 2-bromo-2-nitropropane-1,3-diol. The weight ratio of the nonionic surfactant to 2-bromo-2-nitropropane-1,3-diol is from 1:0.08 to 1:0.12 or 1:0.2 to 1:1.8286.

A high throughput test method for evaluation of biocides against anaerobic microorganisms

Microbicidal composition comprising bronopol, dazomet or a mixture of 4-(2-nitrobutyl)morpholine and 4,4'-(2-ethyl-2-nitrotrimethylene)dimorpholine

A synergistic microbicidal composition having two components. The first component is a nonionic surfactant with structure: R ...

BIOCIDAL COMPOSITIONS AND METHODS OF USE

Provided are biocidal compositions comprising: a hydroxymethyl-substituted phosphorus compound and 2-methyl-1,2-benzisothiazolin-3-one. The compositions are useful for controlling microorganisms in aqueous or water-containing systems. 1. A composition comprising 2-methyl-1 ,2-benzisothiazolin-3-one and tetrakis (hydroxymethyl) phosphonium sulfate and in a weight ration form 1:5000 to 1:10000.2. A method for controlling microorganisms in an aqueous or water-containing system claim 1 , the method comprising treating the system with the composition of .3. The method of wherein the aqueous or water-containing system is used or is present in oil or gas production.4. The method of wherein oil or gas production comprises injection and produced water claim 3 , source water for waterflooding and hydraulic fracturing claim 3 , pond water claim 3 , holding tank water claim 3 , functional fluids claim 3 , drilling muds claim 3 , completion and workover fluids claim 3 , hydrotest fluids claim 3 , stimulation fluids claim 3 , packer fluids claim 3 , fracturing fluids claim 3 , oil and gas wells claim 3 , separation claim 3 , storage and transportation systems claim 3 , oil and gas pipelines claim 3 , oil and gas vessels claim 3 , or fuel.5. The method of wherein the aqueous or water-containing system is cooling water claim 2 , air washer claim 2 , heat exchangers claim 2 , boiler water claim 2 , pulp and paper mill water claim 2 , other industrial process water claim 2 , ballast water claim 2 , wastewater claim 2 , metalworking fluids claim 2 , latex claim 2 , paint claim 2 , coatings claim 2 , adhesives claim 2 , inks claim 2 , tape joint compounds claim 2 , pigment claim 2 , water-based slurries claim 2 , swimming pool claim 2 , personal care and household products such as detergent claim 2 , membrane and filtration systems claim 2 , toilet bowel claim 2 , textiles claim 2 , leather and leather production system claim 2 , or a system used therewith.6. The method of wherein the ...

Microbicidal composition

A synergistic microbicidal composition having two components. The first component is a nonionic surfactant with structure: R1O(CH2CH(CH3)O)5(CH2CH2O)9H, where R1 is a C8 alkyl group. The second component is 2-methyl-4-isothiazolin-3-one. The weight ratio of the nonionic surfactant to 2-methyl-4-isothiazolin-3-one is from 1:0.005 to 1:1.3714.

MICROBICIDAL COMPOSITION

A synergistic microbicidal composition comprising: (a) a nonionic surfactant with structure: R2O(CH 2CH(CH 3)O)3(CH 2CH 20) 7H where R2 is a mixture of C8-C14 linear alkyl groups; and (b) tris(hydroxymethyl)nitromethane; wherein a weight ratio of said nonionic surfactant to tris(hydroxymethyl)nitromethane is from 1:0.16 to 1:1.8286.

GLUTARALDEHYDE BASED BIOCIDAL COMPOSITIONS AND METHODS OF USE

A composition comprising: glutaraldehyde; and a hexahydrotriazine compound.

Biocidal Compositions and Methods of Use

Provided are biocidal compositions comprising: a hydroxymethyl- substituted phosphorus compound and a polymeric biguanide. The compositions are useful for controlling microorganisms in aqueous or water-containing systems.

GLUTARALDEHYDE BASED BIOCIDAL COMPOSITIONS AND METHODS OF USE

COMPOSITIONS OF DIBROMOMALONAMIDE AND THEIR USE AS BIOCIDES

A biocidal composition comprising 2,2-dibromomalonamide and an electrophile containing biocide, and its use for the control of microorganisms in aqueous and water-containing systems. 1. A biocidal composition for controlling microorganisms in an aqueous or water-containing system , the composition comprising 2 ,2-dibromomalonamide and 1 ,2-dibromo-2 ,4-dicyanobutane.2. A composition according to wherein the weight ratio of 2 claim 1 ,2-dibromomalonamide to 1 claim 1 ,2-dibromo-2 claim 1 ,4-dicyanobutane is between 100:1 and 1:100.3. A composition according to wherein weight ratio of 2 claim 1 ,2-dibromomalonamide to 1 claim 1 ,2-dibromo-2 claim 1 ,4-dicyanobutane is from 8:1 to 2:1.4. A composition according to which is: paint claim 1 , coating claim 1 , aqueous emulsion claim 1 , latex claim 1 , adhesive claim 1 , ink claim 1 , pigment dispersion claim 1 , household or industrial cleaner claim 1 , detergent claim 1 , dish detergent claim 1 , mineral slurry polymer emulsion claim 1 , caulk claim 1 , adhesive claim 1 , tape joint compound claim 1 , disinfectant claim 1 , sanitizer claim 1 , metalworking fluid claim 1 , construction product claim 1 , personal care product claim 1 , textile fluid claim 1 , spin finish claim 1 , industrial process water claim 1 , oilfield functional fluid claim 1 , fuel claim 1 , air washer claim 1 , wastewater claim 1 , ballast water claim 1 , filtration systems claim 1 , swimming pool or spa water.5. A method for controlling microorganism growth in an aqueous or water-containing system claim 1 , the method comprising treating the aqueous or water-containing system with an effective amount of a composition according to .6. A method according to wherein the aqueous or water-containing system is paint claim 5 , coating claim 5 , aqueous emulsion claim 5 , latex claim 5 , adhesive claim 5 , ink claim 5 , pigment dispersion claim 5 , household or industrial cleaner claim 5 , detergent claim 5 , dish detergent claim 5 , mineral slurry ...

COMPOSITIONS OF DIBROMOMALONAMIDE AND THEIR USE AS BIOCIDES

A biocidal composition comprising 2,2-dibromomalonamide and an aldehyde-based biocidal compound, and its use for the control of microorganisms in aqueous and water-containing systems. 1. A biocidal composition for controlling microorganisms in an aqueous or water-containing system , the composition comprising: 2 ,2-dibromomalonamide and an aldehyde-based biocidal compound;wherein the aldehyde-based biocidal compound is 1-(3-chloroallyl)-3,5,7-triaza-1-azoniaadamantane chloride and the weight ratio of 2,2-dibromomalonamide to 1-(3-chloroallyl)-3,5,7-triaza-1-azoniaadamantane chloride is from about 4:1 to about 1:320.2. A composition according to which is: paint claim 1 , coating claim 1 , aqueous emulsion claim 1 , latex claim 1 , adhesive claim 1 , ink claim 1 , pigment dispersion claim 1 , household or industrial cleaner claim 1 , detergent claim 1 , dish detergent claim 1 , mineral slurry polymer emulsion claim 1 , caulk claim 1 , adhesive claim 1 , tape joint compound claim 1 , disinfectant claim 1 , sanitizer claim 1 , metalworking fluid claim 1 , construction product claim 1 , personal care product claim 1 , textile fluid claim 1 , spin finish claim 1 , industrial process water claim 1 , oilfield functional fluid claim 1 , fuel claim 1 , air washer claim 1 , wastewater claim 1 , ballast water claim 1 , filtration systems claim 1 , or swimming pool and spa water.3. A method for controlling microorganism growth in an aqueous or water-containing system claim 1 , the method comprising treating the aqueous or water-containing system with an effective amount of a composition according to .4. A method according to wherein the aqueous or water-containing system is paint claim 3 , coating claim 3 , aqueous emulsion claim 3 , latex claim 3 , adhesive claim 3 , ink claim 3 , pigment dispersion claim 3 , household or industrial cleaner claim 3 , detergent claim 3 , dish detergent claim 3 , mineral slurry polymer emulsion claim 3 , caulk claim 3 , adhesive claim 3 , tape ...

SYNERGISTIC ANTIMICROBIAL COMPOSITION OF 1,2-BENZISOTHIAZOLIN-3-ONE AND TRIS(HYDROXYMETHYL)NITROMETHANE

A synergistic antimicrobial composition containing 1,2-benzisothiazolin-3-one and tris(hydroxymethyl)nitromethane. 1. A synergistic antimicrobial composition comprising: (a) 1 ,2-benzisothiazolin-3-one; and (b) tris(hydroxymethyl)nitromethane; wherein a weight ratio of 1 ,2-benzisothiazolin-3-one to tris(hydroxymethyl)nitromethane is from 12:1 to 1:12.2. The composition of in which the weight ratio is from 9:1 to 1:8.2.3. A method for inhibiting microbial growth in an aqueous medium; said method comprises adding to the aqueous medium: (a) 1 claim 1 ,2-benzisothiazolin-3-one; and (b) tris(hydroxymethyl)nitromethane; wherein a weight ratio of 1 claim 1 ,2-benzisothiazolin-3-one to tris(hydroxymethyl)nitromethane is from 12:1 to 1:12.4. The method of in which the aqueous medium comprises anaerobic bacteria and the weight ratio is from 12:1 to 1:7.5. The method of in which the aqueous medium comprises aerobic bacteria and the weight ratio is from 1:2 to 1:12.6. The method of in which the weight ratio is from 9:1 to 1:3.7. The method of in which the weight ratio is from 1:1 to 1:8.2. This invention relates to combinations of biocides, the combinations having greater activity than would be observed for the individual antimicrobial compounds.Use of combinations of at least two antimicrobial compounds can broaden potential markets, reduce use concentrations and costs, and reduce waste. In some cases, commercial antimicrobial compounds cannot provide effective control of microorganisms, even at high use concentrations, due to weak activity against certain types of microorganisms, or relatively slow antimicrobial action, or instability under certain conditions such as high temperature and high pH. Combinations of different antimicrobial compounds are sometimes used to provide overall control of microorganisms or to provide the same level of microbial control at lower use rates in a particular end use environment. For example, U.S. Pat. No. 6,432,433 discloses combinations of ...

MICROBICIDAL COMPOSITION

A synergistic microbicidal composition having two components. The first component is a nonionic surfactant with structure: RO(CHCH(CH)O)(CHCHO)H, where Ris a Calkyl group. The second component is cis-1-(3-chloroallyl)-3,5,7-triaza-1-azoniaadamantane chloride. The weight ratio of the nonionic surfactant to cis-1-(3-chloroallyl)-3,5,7-triaza-1-azoniaadamantane chloride is from 1:0.2 to 1:1.1429. 2. The synergistic microbicidal composition of in which Ris 2-ethylhexyl.4. The synergistic microbicidal composition of in which said mixture of C-Clinear alkyl groups comprises from 60 to 75 wt % C-Clinear alkyl groups and 25 to 40 wt % C-Clinear alkyl groups.6. The synergistic microbicidal composition of in which Ris 2-ethylhexyl.8. The synergistic microbicidal composition of in which said mixture of C-Clinear alkyl groups comprises from 60 to 75 wt % C-Clinear alkyl groups and 25 to 40 wt % C-Clinear alkyl groups.10. The synergistic microbicidal composition of in which. said mixture of C-Clinear alkyl groups comprises from 60 to 75 wt % C-Clinear alkyl groups and 25 to 40 wt % C-Clinear alkyl groups. This invention relates to microbicidal compositions containing cis-1-(3-chloroallyl)-3,5,7-triaza-1-azoniaadamantane chloride (CTAC), 4,4-dimethyloxazolidine (DMO) or tris(hydroxymethyl)nitromethane (Tris Nitro) and a surfactant.A composition containing 5-chloro-2-methylisothiazolin-3-one, 2-methylisothiazolin-3-one and a nonionic dispersant is disclosed in U.S. Pat. No. 4,295,932. The composition contains a 3:1 mixture of 5-chloro-2-methylisothiazolin-3-one and 2-methylisothiazolin-3-one, and a copolymer of ethylene oxide and propylene oxide which appears to have the same composition as PLURONIC L61 or TERGITOL L61 dispersant. However, there is a need for combinations of microbicides having synergistic activity against various strains of microorganisms to provide effective control of the microorganisms. Moreover, there is a need for such combinations containing lower levels of ...

MICROBICIDAL COMPOSITION

A synergistic microbicidal composition comprising a non-ionic surfactant and glutaraldehyde and a method for inhibiting the growth of microorganisms in an aqueous medium. 2. A method for controlling the growth of microorganisms in an aqueous medium; the method comprising adding to the aqueous medium the synergistic microbiocidal composition of .4. A method for controlling the growth of microorganisms in an aqueous medium; the method comprising adding to the aqueous medium the synergistic microbiocidal composition of . This invention relates to microbicidal compositions containing glutaraldehyde and a surfactant.A composition containing 5-chloro-2-methylisothiazolin-3-one, 2-methylisothiazolin-3-one and a nonionic dispersant is disclosed in U.S. Pat. No. 4,295,932. The composition contains a 3:1 mixture of 5-chloro-2-methylisothiazolin-3-one and 2-methylisothiazolin-3-one, and a copolymer of ethylene oxide and propylene oxide. However, there is a need for combinations of microbicides having synergistic activity against various strains of microorganisms to provide effective control of the microorganisms. Moreover, there is a need for such combinations containing lower levels of individual microbicides for environmental and economic benefit. The problem addressed by this invention is to provide such synergistic combinations of microbicides.The present invention is directed to a synergistic microbicidal composition comprising: (a) a nonionic surfactant with structure:H(OCHCH)(OCHCHCH)(OCHCH)OHwherein x+y=22-28 and z=27-33—(Surf. A) and (b) glutaraldehyde; wherein a weight ratio of the glutaraldehyde to nonionic surfactant is from 8:1 to 1:1.The present invention is further directed to a synergistic microbicidal composition comprising: (a) a nonionic surfactant with structure:H(OCHCH)(OCHCHCH)(OCHCH)OHwherein x+y=6-8 and z=40-50—(Surf. B) and (b) glutaraldehyde; wherein a weight ratio of the glutaraldehyde to nonionic surfactant is from 17:1 to 1:1.The present invention ...

BIOCIDAL COMPOSITIONS AND METHODS OF USE

Provided are biocidal compositions comprising: a hydroxymethyl-substituted phosphorus compound and a polymeric biguanide. The compositions are useful for controlling microorganisms in aqueous or water-containing systems.

COMPOSITIONS OF DIBROMOMALONAMIDE AND THEIR USE AS BIOCIDES

A biocidal composition comprising 2,2-dibromomalonamide and an oxidizing biocide, and its use for the control of microorganisms in aqueous and water-containing systems. 1. A synergistic biocidal composition comprising: 2 ,2-dibromomalonamide and at least one oxidizing biocide selected from the group consisting of hypochlorous acid or a salt thereof , monohalodimethylhydantoin , dichlorodimethylhydantoin , and dibromodimethylhydantoin wherein the weight ratio of 2 ,2-dibromomalonamide to the oxidizing biocide is between 16:1 and 1:8.2. A composition according to wherein the oxidizing biocide comprises a monohalodimethylhydantoin and the weight ratio of the 2 claim 1 ,2-dibromomalonamide to the monohalodimethylhydantoin is between 1:1 and 1:4.3. A composition according to wherein the oxidizing comprises dichlorodimethylhydantoin and the weight ratio of the 2 claim 1 ,2-dibromomalonamide to the dichlorodimethylhydantoin is between 16:1 and 1:2.4. A composition according to wherein the oxidizing biocide comprises dibromodimethylhydantoin and the weight ratio of the 2 claim 1 ,2-dibromomalonamide to the dibromodimethylhydantoin is between 16:1 and 1:8.5. A composition according to which is: paint claim 1 , coating claim 1 , aqueous emulsion claim 1 , latex claim 1 , adhesive claim 1 , ink claim 1 , pigment dispersion claim 1 , household or industrial cleaner claim 1 , detergent claim 1 , dish detergent claim 1 , mineral slurry polymer emulsion claim 1 , caulk claim 1 , adhesive claim 1 , tape joint compound claim 1 , disinfectant claim 1 , sanitizer claim 1 , metalworking fluid claim 1 , construction product claim 1 , personal care product claim 1 , textile fluid claim 1 , spin finish claim 1 , industrial process water claim 1 , oil and gas field injection water claim 1 , produced water claim 1 , oil and gas functional fluid claim 1 , drilling mud claim 1 , fracturing fluid claim 1 , fluid in oil and gas field transportation pipeline claim 1 , fuel claim 1 , air washer ...

METHOD AND REAGENTS FOR DETECTING WATER CONTAMINATION

A method of examining a water supply for microbial contamination involves contacting a water supply with a novel reagent having high specificity for a microbial species, wherein said reagent does not cross-react, or minimally cross-reacts, with a microbial species other than . The method further involves detecting, or measuring, a contaminating concentration of a species in the water supply. Useful reagents comprise at least one nucleotide sequence primer comprising a primer sequence selected from SEQ ID NO: 3-10 or a combination of such primer sequences. The increased specificity of such reagents permits more sensitive detection of microbial contamination. 1LegionellaLegionella.. A reagent for examining a water supply for microbial contamination comprising with nucleotide sequence having high specificity for a microbial species , wherein said nucleotide sequence does not cross-react , or minimally cross-reacts , with a microbial species other than2. The reagent according to comprising at least one nucleotide sequence primer comprising SEQ ID NO: 1 through 10 or a combination of multiple primer sequences comprising SEQ ID NO:1 through 10 or modifications of SEQ ID NO: 1 through 10.3. The reagent according to comprising a set of primers comprising a forward nucleotide sequence primer and a reverse nucleotide sequence primer.4. The reagent according to claim 3 , wherein the forward primer comprises at least one of SEQ ID NO: 1 claim 3 , 3 claim 3 , 4 claim 3 , 5 or 6 and the reverse primer comprises at least one of SEQ ID NO: 2 claim 3 , 7 claim 3 , 8 claim 3 , 9 claim 3 , or 10.5. The reagent according to claim 3 , wherein the forward primer comprises SEQ ID NO: 4 and the reverse primer comprises SEQ ID NO: 10.6. The reagent according to comprising multiple sets of reagents selected from the primers comprising SEQ ID NOs: 1-10.7. The reagent according to claim 2 , wherein the reagent comprises all nucleotide sequence primers comprising SEQ ID NO: 1-10.8. The reagent ...

COMPOSITIONS OF DIBROMOMALONAMIDE AND THEIR USE AS BIOCIDES

A biocidal composition comprising 2,2-dibromomalonamide and sodium ortho-phenylphenol, and its use for the control of microorganisms in aqueous and water-containing systems. 1. A biocidal composition comprising: 2 ,2-dibromomalonamide and sodium ortho-phenylphenol.2. A composition according to wherein the weight ratio of 2 claim 1 ,2-dibromomalonamide to sodium ortho-phenylphenol is between about 100:1 and about 1:100.3. A composition according to wherein the weight ratio of 2 claim 1 ,2-dibromomalonamide to sodium ortho-phenylphenol is from about 1:1 to about 1:20.4. A composition according to which is: paint claim 1 , coating claim 1 , aqueous emulsion claim 1 , latex claim 1 , adhesive claim 1 , ink claim 1 , pigment dispersion claim 1 , household or industrial cleaner claim 1 , detergent claim 1 , dish detergent claim 1 , mineral slurry polymer emulsion claim 1 , caulk claim 1 , adhesive claim 1 , tape joint compound claim 1 , disinfectant claim 1 , sanitizer claim 1 , metalworking fluid claim 1 , construction product claim 1 , personal care product claim 1 , textile fluid claim 1 , spin finish claim 1 , industrial process water claim 1 , oilfield functional fluid claim 1 , fuel claim 1 , air washer claim 1 , wastewater claim 1 , ballast water claim 1 , filtration systems claim 1 , or swimming pool and spa water.5. A method for controlling microorganism growth in an aqueous or water-containing system claim 1 , the method comprising treating the aqueous or water-containing system with an effective amount of a composition according to .6. A method according to wherein the aqueous or water-containing system is paint claim 5 , coating claim 5 , aqueous emulsion claim 5 , latex claim 5 , adhesive claim 5 , ink claim 5 , pigment dispersion claim 5 , household or industrial cleaner claim 5 , detergent claim 5 , dish detergent claim 5 , mineral slurry polymer emulsion claim 5 , caulk claim 5 , adhesive claim 5 , tape joint compound claim 5 , disinfectant claim 5 , ...

Synergistic antimicrobial composition

A synergistic antimicrobial composition. The composition contains at least two components. The first component is ortho-phenylphenol or its alkali metal or ammonium salts. The second component is 4,4-dimethyloxazolidine (DMOZ).

MICROBICIDAL COMPOSITION

A synergistic microbicidal composition having two components. The first component is a nonionic surfactant with structure: RO(CHCH(CH)O)(CHCHO)H, where Ris a Calkyl group. The second component is 2-decylthioethylamine The weight ratio of the nonionic surfactant to 2-decylthioethylamine is from 1:0.004 to 1:0.0137 or 1:0.016 to 1:0.4571. 2. The synergistic microbicidal composition of in which Ris 2-ethylhexyl.4. The method of in which Ris 2-ethylhexyl.6. The synergistic microbicidal composition of in which said mixture of C-Clinear alkyl groups comprises from 60 to 75 wt % C-Clinear alkyl groups and 25 to 40 wt % C-Clinear alkyl groups..8. The method of in which said mixture of C-Clinear alkyl groups comprises from 60 to 75 wt % C-Clinear alkyl groups and 25 to 40 wt % C-Clinear alkyl groups.10. The synergistic microbicidal composition of in which said mixture of C-Clinear alkyl groups comprises from 60 to 75 wt % C-Clinear alkyl groups and 25 to 40 wt % C-Clinear alkyl groups. This invention relates to microbicidal compositions containing 2-decylthioethylamine and a surfactant.A composition containing 5-chloro-2-methylisothiazolin-3-one, 2-methylisothiazolin-3-one and a nonionic dispersant is disclosed in U.S. Pat. No. 4,295,932. The composition contains a 3:1 mixture of 5-chloro-2-methylisothiazolin-3-one and 2-methylisothiazolin-3-one, and a copolymer of ethylene oxide and propylene oxide which appears to have the same composition as PLURONIC L61 or TERGITOL L61 dispersant. However, there is a need for combinations of microbicides having synergistic activity against various strains of microorganisms to provide effective control of the microorganisms. Moreover, there is a need for such combinations containing lower levels of individual microbicides for environmental and economic benefit. The problem addressed by this invention is to provide such synergistic combinations of microbicides.The present invention is directed to a synergistic microbicidal composition ...

SYNERGISTIC ANTIMICROBIAL COMPOSITION

A synergistic antimicrobial composition having two components. The first component is a hydroxymethyl-substituted phosphorus compound. The second component is one of the following biocides: hexahydro-1,3,5-tris(2-hydroxyethyl)-s-triazine, 2,6-dimethyl-1,3-dioxan-4-yl acetate or ortho-phenylphenol or its alkali metal or ammonium salts. 1(a) tetrakis(hydroxymethyl)phosphonium sulfate and (b) hexahydro-1,3,5-tris(2-hydroxyethyl)-s-triazine; wherein a weight ratio of tetrakis(hydroxymethyl)phosphonium sulfate to hexahydro-1,3,5-tris(2-hydroxyethyl)-s-triazine is from 9:1 to 1:9.. A synergistic antimicrobial composition comprising: This invention relates to combinations of biocides, the combinations having greater activity than would be observed for the individual antimicrobial compounds.Use of combinations of at least two antimicrobial compounds can broaden potential markets, reduce use concentrations and costs, and reduce waste. In some cases, commercial antimicrobial compounds cannot provide effective control of microorganisms, even at high use concentrations, due to weak activity against certain types of microorganisms, or relatively slow antimicrobial action, or instability under certain conditions such as high temperature and high pH. Combinations of different antimicrobial compounds are sometimes used to provide overall control of microorganisms or to provide the same level of microbial control at lower use rates in a particular end use environment. For example, U.S. Pat. No. 5,385,896 discloses combinations of phosphonium salts and aldehydes, but this reference does not suggest any of the combinations claimed herein. Moreover, there is a need for additional combinations of antimicrobial compounds having enhanced activity to provide effective control of the microorganisms. The problem addressed by this invention is to provide such additional combinations of antimicrobial compounds.The present invention is directed to a synergistic antimicrobial composition ...

Glutaraldehyde based biocidal compositions and methods of use

Provided are biocidal compositions comprising glutaraldehyde and a compound selected from the group consisting of 1-(3-chloroallyl)-3,5,7-triaza-1-azoniaadamantane; tris(hydroxymethyl)-nitromethane; and a hexahydrotriazine compound. The compositions are useful for controlling microorganisms in aqueous or water-containing systems.

Glutaraldehyde based biocidal compositions and methods of use

Provided are biocidal compositions comprising glutaraldehyde and a compound selected from the group consisting of 1-(3-chloroallyl)-3,5,7-triaza-1-azoniaadamantane; tris(hydroxymethyl)-nitromethane; and a hexahydrotriazine compound. The compositions are useful for controlling microorganisms in aqueous or water-containing systems.

Compositions of dibromomalonamide and their use as biocides

A biocidal composition comprising a synergistic ratio of 2,2-dibromomalonamide and hydroxymethyl-substituted phosphorus compound, and its use for the control of microorganisms in aqueous and water-containing systems.

Synergistic antimicrobial composition

A synergistic antimicrobial composition having two components. The first component is a hydroxymethyl-substituted phosphorus compound. The second component is one of the following biocides: hexahydro-1,3,5-tris(2-hydroxyethyl)-s-triazine, 2,6-dimethyl-1,3-dioxan-4-yl acetate or ortho-phenylphenol or its alkali metal or ammonium salts.

A high throughput test method for evaluation of biocides against anaerobic microorganisms

Provided is a high-throughput method for determining the biocidal efficacy of biocidal agents against anaerobic organisms. The method includes the steps of: providing one or more anaerobe samples in a first set of multiple receptacles accessible to multi- channel pipettes; providing one or more biocidal samples at known concentration(s) in a second set of multiple receptacles accessible to multi-channel pipettes; forming mixtures of the one or more biocidal samples and the anaerobe samples via a multi-channel pipette; incubating the mixtures so as to allow reaction between the biocidal samples and the anaerobe samples; determining each of the one or more biocidal samples' killing (biocidal) effectiveness against the anaerobes at selected time interval(s), wherein each step, except for the step of providing one or more biocidal samples, is conducted under anaerobic conditions.

SYNERGISTIC ANTIMICROBIAL COMPOSITION

A synergistic antimicrobial composition. The composition contains at least two components. The first component is ortho-phenylphenol or its alkali metal or ammonium salts. The second component is 4,4-dimethyloxazolidine (DMOZ). 1. A synergistic antimicrobial composition comprising: (a) ortho-phenylphenol or its alkali metal or ammonium salts; and(b) 4,4-dimethyloxazolidine; wherein a weight ratio of ortho-phenylphenol or its alkali metal or ammonium salts to 4,4-dimethyloxazolidine is from 4:1 to 1:15.2. The composition of in which the weight ratio is from 3:1 to 1:10.3. A synergistic antimicrobial composition comprising: (a) ortho-phenylphenol or its alkali metal or ammonium salts; and (b) tris(hydroxymethyl)nitromethane; wherein a weight ratio of ortho-phenylphenol or its alkali metal or ammonium salts to tris(hydroxymethyl)nitromethane is from 15:1 to 1:15.4. The composition of in which the weight ratio is from 12:1 to 1:12.5. The composition of in which the weight ratio is from 10:1 to 1:10.6. A synergistic antimicrobial composition comprising: (a) ortho-phenylphenol or its alkali metal or ammonium salts; and (b) hexahydro-1 claim 4 ,3 claim 4 ,5-tris(2-hydroxyethyl)-s-triazine; wherein a weight ratio of ortho-phenylphenol or its alkali metal or ammonium salts to hexahydro-1 claim 4 ,3 claim 4 ,5-tris(2-hydroxyethyl)-s-triazine is from 15:1 to 1:15.7. The composition of in which the weight ratio is from 10:1 to 1:12.8. The composition of in which the weight ratio is from 9:1 to 1:10. This invention relates to combinations of biocides, the combinations having greater activity than would be observed for the individual antimicrobial compounds.Use of combinations of at least two antimicrobial compounds can broaden potential markets, reduce use concentrations and costs, and reduce waste. In some cases, commercial antimicrobial compounds cannot provide effective control of microorganisms, even at high use concentrations, due to weak activity against certain types of ...

Compositions of dibromomalonamide and their use as biocides

The application describes synergistic microbicidal compositions comprising: 2,2-dibromomalonamide and an oxidizing biocide selected from the group consisting of: monochloramine, bromochlorodimethylhydantoin, hypobromite ion or hypobromous acid, hydrogen peroxide, dichloroisocyanurate, trichloroisocyanurate and chlorine dioxide and a method for controlling microorganism growth in an aqueous or water-containing system.

COMPOSITIONS OF DIBROMOMALONAMIDE AND THEIR USE AS BIOCIDES

A biocidal composition comprising 2,2-dibromomalonamide and a surface active biocide, and its use for the control of microorganisms in aqueous and water-containing systems. 1. A biocidal composition for controlling microorganisms in an aqueous or water-containing system , the composition comprising: 2 ,2-dibromomalonamide and a surface active biocide selected from the group consisting of C-Calkyl dimethyl benzyl ammonium chloride , dioctyl dimethyl ammonium chloride , polyhexamethylene biguanide , dodecylguanidine hydrochloride , and didecyldimethyl ammonium chloride.2. A composition according to wherein the weight ratio of 2 claim 1 ,2-dibromomalonamide to the surface active biocide is between about 100:1 and about 1:100.3. A composition according to wherein the surface active biocide is alkyl dimethyl benzyl ammonium chloride and the weight ratio of 2 claim 1 ,2-dibromomalonamide to alkyl dimethyl benzyl ammonium chloride is from about 32:1 to about 2:1.4. A composition according to wherein the surface active biocide is dioctyl dimethyl ammonium chloride and the weight ratio of 2 claim 1 ,2-dibromomalonamide to dioctyl dimethyl ammonium chloride is from about 9:1 to about 1:3.5. A composition according to wherein the surface active biocide is polyhexamethylene biguanide and the weight ratio of 2 claim 1 ,2-dibromomalonamide to polyhexamethylene biguanide is from about 8:1 to about 2:1.6. A composition according to wherein the surface active biocide is dodecylguanidine hydrochloride and the weight ratio of 2 claim 1 ,2-dibromomalonamide to dodecylguanidine hydrochloride is from about 1:1 to about 1:16.7. A composition according to wherein the surface active biocide is didecyldimethyl ammonium chloride and the weight ratio of 2 claim 1 ,2-dibromomalonamide to didecyldimethyl ammonium chloride is from about 4:1 to about 1:16.8. A composition according to which is: paint claim 1 , coating claim 1 , aqueous emulsion claim 1 , latex claim 1 , adhesive claim 1 , ink ...

COMPOSITIONS OF DIBROMOMALONAMIDE AND THEIR USE AS BIOCIDES

A biocidal composition comprising 2,2-dibromomalonamide and an isothiazolinone-based biocide, and its use for the control of microorganisms in aqueous and water-containing systems. 2. A composition according to wherein the weight ratio of 2 claim 1 ,2-dibromomalonamide to the isothiazolinone-based biocide of formula I is between about 100:1 and about 1:400.3. A composition according to wherein the isothiazolinone-based biocide of the formula I is selected from the group consisting of: 5-chloro-2-methyl-4-isothiazolin-3-one claim 1 , 2-methyl-4-isothiazolin-3-one claim 1 , 2-n-octyl-4-isothiazolin-3-one claim 1 , 1 claim 1 ,2-benzisothiazolin-3-one claim 1 , 4 claim 1 ,5-dichloro-2-n-octylisothiazolin-3-one claim 1 , a mixture of 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one claim 1 , 2-ethyl-4-isothiazolin-3-one claim 1 , 5-chloro-2-ethyl-4-isothiazolin-3-one claim 1 , 4 claim 1 ,5-dichloro-2-methyl-4-isothiazolin-3-one claim 1 , 2-methyl-4 claim 1 ,5-trimethylene-4-isothiazolin-3-one claim 1 , N-methyl-1 claim 1 ,2-benzisothiazolin-3-one claim 1 , or N-butyl-1 claim 1 ,2-benzisothiazolin-3-one and mixtures of two or more thereof.4. A composition according to wherein the isothiazolinone-based biocide of formula I is 5-chloro-2-methyl-4-isothiazolin-3-one and the weight ratio of 2 claim 1 ,2-dibromomalonamide to the 5-chloro-2-methyl-4-isothiazolin-3-one is from about 32:1 to about 1:2.5. A composition according to wherein the isothiazolinone-based biocide is 2-methyl-4-isothiazolin-3-one and the weight ratio of 2 claim 1 ,2-dibromomalonamide to the 2-methyl-4-isothiazolin-3-one is from about 4:1 to about 1:4.6. A composition according to wherein the isothiazolinone-based biocide is 4 claim 1 ,5-dichloro-2-n-octylisothiazolin-3-one and the weight ratio of 2 claim 1 ,2-dibromomalonamide to the 4 claim 1 ,5-dichloro-2-n-octylisothiazolin-3-one is from about 4:1 to about 1:16.7. A composition according to wherein the isothiazolinone-based ...

Synergistic microbicidal compositions comprising 2, 2-dibromomalonamide and an oxidizing biocide

The application describes synergistic microbicidal compositions comprise 2,2-dibromomalonamide and an oxidizing biocide selected from the group consisting of: monochloramine, bromochlorodimethylhydantoin, hypobromite ion or hypobromous acid, hydrogen peroxide, dichloroisocyanurate, trichloroisocyanurate and chlorine dioxide and a method for controlling microorganism growth in an aqueous or water-containing system.

MICROBICIDAL COMPOSITION

A synergistic microbicidal composition comprising a hydroxymethyl-substituted phosphorus compound and nitrate, a method for inhibiting the growth of microorganisms in an aqueous medium. 1. A synergistic microbicidal composition comprising a hydroxymethyl-substituted phosphorus compound and nitrate.2. The synergistic microbicidal composition of wherein the ratio of hydroxymethyl-substituted phosphorus compound to nitrate is 32:1 to 1:16.3. The synergistic microbiocidal composition of wherein the hydroxymethyl substituted phosphorus compound is tetrakis(hydroxymethyl) phosphonium sulfate.4. The synergistic microbicidal composition of wherein the ratio of tetrakis(hydroxymethyl) phosphonium sulfate to nitrate is 32:1 to 1:16.5. A method for controlling the growth of microorganisms in an aqueous medium; the method comprising adding to the aqueous medium the synergistic microbiocidal composition of . This invention relates to microbicidal compositions containing a hydroxymethyl-substituted phosphorus compound and nitrate.A composition containing an oxidizing biocide, metabolic inhibitor, and oxygen scavenger is disclosed in U.S. Pat. No. 8,614,170. In U.S. Pat. No. 8,614,170, tetrakis(hydroxymethyl) phosphonium sulfate and nitrate are mentioned as potential options for biocide and metabolic inhibitor. However, according to Xue, tetrakis(hydroxymethyl) phosphonium sulfate and nitrate were found to be antagonistic for the inhibition of sulfide. (Xue, Yuan (Fiona). -Thesis. University of Calgary, 2014. N.p.: n.p., n.d. 2015. Web). Presently, a need exists for a composition which inhibits sulfide. Surprisingly, it has been found that tetrakis(hydroxymethyl) phosphonium sulfate and nitrate in fact is synergistic in the inhibition of sulfide.The present invention is directed to a synergistic microbicidal composition comprising a hydroxymethyl-substituted phosphorus compound and nitrate.The present invention is further directed to methods for controlling the growth or metabolic ...

Compositions of dibromomalonamide and their use as biocides

A biocidal composition comprising 2,2-dibromomalonamide and an oxidizing biocide, and its use for the control of microorganisms in aqueous and water-containing systems.

Biocidal compositions and methods of use

Provided are biocidal compositions comprising: a hydroxymethyl- substituted phosphorus compound and an isothiazolinone compound selected from 1,2-benzisothiazolin-3-one, 2-methyl-l,2-benzisothiazolin-3-one, and mixtures thereof. The compositions are useful for controlling microorganisms in aqueous or water-containing systems.

COMPOSITIONS OF DIBROMOMALONAMIDE AND THEIR USE AS BIOCIDES

The application describes synergistic microbicidal compositions comprising: 2,2-dibromomalonamide and an oxidizing biocide selected from the group consisting of: monochloramine, bromochlorodimethylhydantoin, hypobromite ion or hypobromous acid, hydrogen peroxide, dichloroisocyanurate, trichloroisocyanurate and chlorine dioxide and a method for controlling microorganism growth in an aqueous or water-containing system. 1. A biocidal composition comprising: 2 ,2-dibromomalonamide and an oxidizing biocide selected from the group consisting of monochloramine , bromochlorodimethylhydantoin , hypobromite ion or hypobromous acid , hydrogen peroxide , dichloroisocyanurate , trichloroisocyanurate , and chlorine dioxide.2. A composition according to wherein the weight ratio of 2 claim 1 ,2-dibromomalonamide to the oxidizing biocide is between about 100:1 and about 1:100.3. A composition according to wherein the oxidizing biocide is monochloramine claim 1 , and the weight ratio of 2 claim 1 ,2-dibromomalonamide to monochloramine is between about 32:1 and about 1:4.4. A composition according to wherein the oxidizing biocide is bromochlorodimethylhydantoin and the weight ratio of the 2 claim 1 ,2-dibromomalonamide to the bromochlorodimethylhydantoin is between about 4:1 and about 1:16.5. A composition according to wherein the oxidizing biocide is hypobromous acid or hypobromous ion and the weight ratio of the 2 claim 1 ,2-dibromomalonamide to the hypobromous acid or hypobromous ion is between about 4:1 and about 1:32.6. A composition according to wherein the oxidizing biocide is hydrogen peroxide and the weight ratio of the 2 claim 1 ,2-dibromomalonamide to the oxidizing biocide is between about 1:20 and about 1:80.7. A composition according to wherein the oxidizing biocide is dichloroisocyanurate and the weight ratio of the 2 claim 1 ,2-dibromomalonamide to the oxidizing biocide is between about 32:1 and about 1:1.8. A composition according to wherein the oxidizing biocide is ...

SYNERGISTIC ANTIMICROBIAL COMPOSITION

A synergistic antimicrobial composition having two components. The first component is a hydroxymethyl-substituted phosphorus compound. The second component is cis-1-(3-chloroallyl)-3,5,7-triaza-1-azoniaadamantane chloride. 1. A synergistic antimicrobial composition comprising: (a) a hydroxymethyl-substituted phosphorus compound selected from the group consisting of tetrakis(hydroxymethyl)phoshponium salts and tris(hydroxymethyl)phosphine; and (b) cis-1-(3-chloroallyl)-3 ,5 ,7-triaza-1-azoniaadamantane chloride; wherein a weight ratio of the hydroxymethyl-substituted phosphorus compound to cis-1-(3-chloroallyl)-3 ,5 ,7-triaza-1-azoniaadamantane chloride is from 15:1 to 1:15.2. The composition of in which the weight ratio is from 9:1 to 1:10.3. The composition of in which the hydroxymethyl-substituted phosphorus compound is tetrakis(hydroxymethyl)phosphonium sulfate.4. The composition of in which the weight ratio is from 8:1 to 1:9.5. The composition of which is substantially free of oxazolidine compounds.6. A method for inhibiting microbial growth in a medium at a temperature of at least 60° C. and a sulfide level at least 4 ppm; said method comprising adding to the medium: (a) a hydroxymethyl-substituted phosphorus compound; and (b) cis-1-(3-chloroallyl)-3 claim 4 ,5 claim 4 ,7-triaza-1-azoniaadamantane chloride; wherein a weight ratio of the hydroxymethyl-substituted phosphorus compound to cis-1-(3-chloroallyl)-3 claim 4 ,5 claim 4 ,7-triaza-1l-azoniaadamantane chloride is from 5:1 to 1:15.7. The method of in which the temperature is at least 70° C. and a sulfide level at least 7 ppm; and in which said weight ratio is from 3:1 to 1:10.8. The method of in which the hydroxymethyl-substituted phosphorus compound is tetrakis(hydroxymethyl)phosphonium sulfate.9. The method of in which the medium is anaerobic and contains sulfate-reducing bacteria.10. The method of in which said weight ratio is from 2:1 to 1:8. This invention relates to combinations of biocides, the ...

SYNERGISTIC ANTIMICROBIAL COMPOSITION

A synergistic antimicrobial composition having two components. The first component is glutaraldehyde. The second component is 2,6-dimethyl-1,3-dioxan-4-yl acetate. 1. A synergistic antimicrobial composition comprising: (a) glutaraldehyde; and (b) 2 ,6-dimethyl-1 ,3-dioxan-4-yl acetate; wherein a weight ratio of glutaraldehyde to 2 ,6-dimethyl-1 ,3-dioxan-4-yl acetate is from 9:1 to 1:15.2. The composition of in which the weight ratio is from 9:1 to 1:10.3. A method for inhibiting microbial growth in a medium at a temperature of at least 60° C. and a sulfide level at least 4 ppm; said method comprising adding to the medium: (a) glutaraldehyde; and (b) 2 claim 1 ,6-dimethyl-1 claim 1 ,3-dioxan-4-yl acetate; wherein a weight ratio of glutaraldehyde to 2 claim 1 ,6-dimethyl-1 claim 1 ,3-dioxan-4-yl acetate is from 9:1 to 1:15.4. The method of in which the temperature is at least 70° C. and a sulfide level at least 7 ppm.5. The method of in which the weight ratio is from 9:1 to 1:10.6. The method of in which the medium is anaerobic and contains sulfate-reducing bacteria. This invention relates to combinations of biocides, the combinations having greater activity than would be observed for the individual antimicrobial compounds.Use of combinations of at least two antimicrobial compounds can broaden potential markets, reduce use concentrations and costs, and reduce waste. In some cases, commercial antimicrobial compounds cannot provide effective control of microorganisms, even at high use concentrations, due to weak activity against certain types of microorganisms, or relatively slow antimicrobial action, or instability under certain conditions such as high temperature and high pH. Combinations of different antimicrobial compounds are sometimes used to provide overall control of microorganisms or to provide the same level of microbial control at lower use rates in a particular end use environment. For example, U.S. Pat. No. 3,469,002 discloses the combination of 6-acetoxy- ...

SYNERGISTIC ANTIMICROBIAL COMPOSITION

A synergistic antimicrobial composition having two components. The first component is a hydroxymethyl-substituted phosphorus compound. The second component is one of the following biocides: hexahydro-1,3,5-tris(2-hydroxyethyl)-s-triazine, 2,6-dimethyl-1,3-dioxan-4-yl acetate or ortho-phenylphenol or its alkali metal or ammonium salts. 1. A synergistic antimicrobial composition comprising: (a) a hydroxymethyl-substituted phosphorus compound selected from the group consisting of tetrakis(hydroxymethyl)phoshponium salts and tris(hydroxymethyl)phosphine; and (b) a second biocide selected from the group consisting of (i) hexahydro-1 ,3 ,5-tris(2-hydroxyethyl)-s-triazine; (ii) 2 ,6-dimethyl-1 ,3-dioxan-4-yl acetate; and (iii) ortho-phenylphenol or its alkali metal or ammonium salts; wherein a weight ratio of the hydroxymethyl-substituted phosphorus compound to hexahydro-1 ,3 ,5-tris(2-hydroxyethyl)-s-triazine is from 15:1 to 1:15 , a weight ratio of the hydroxymethyl-substituted phosphorus compound to 2 ,6-dimethyl-1 ,3-dioxan-4-yl acetate is from 15:1 to 1:15 , and a weight ratio of the hydroxymethyl-substituted phosphorus compound to ortho-phenylphenol or its alkali metal or ammonium salts is from 15:1 to 1:5.2. The composition of in which the second biocide is hexahydro-1 claim 1 ,3 claim 1 ,5-tris(2-hydroxyethyl)-s-triazine.3. The composition of in which the weight ratio is from 12:1 to 1:12.4. The composition of in which the second biocide is 2 claim 1 ,6-dimethyl-1 claim 1 ,3-dioxan-4-yl acetate.5. The composition of in which the weight ratio is from 10:1 to 1:10.6. The composition of in which the second biocide is ortho-phenylphenol or its alkali metal or ammonium salts.7. The method of in which the weight ratio is from 10:1 to 1:4. This invention relates to combinations of biocides, the combinations having greater activity than would be observed for the individual antimicrobial compounds.Use of combinations of at least two antimicrobial compounds can broaden ...

Method and Device for Inter-Chip and Inter-Antenna Interference Cancellation

A wireless receiver is constructed to equalize a time-domain received signal, detect a plurality of symbols of the equalized time-domain received signal, and perform interference cancellation on the time-domain received signal. The interference cancellation can be performed using a partial result produced by an IDFT, and may use only neighboring symbols in a detected plurality of symbols. The resulting wireless receiver can be constructed to operate efficiently under a plurality of wireless standards. 1. A method for operating a wireless receiver , the method comprising:equalizing a time-domain received signal;detecting a plurality of symbols of the equalized time-domain received signal; andperforming interference cancellation on the equalized time-domain received signal using the detected plurality of symbols.2. The method as recited in further comprising despreading the equalized time-domain received signal after the equalizing the time-domain received signal.3. The method as recited in further comprising re-spreading the detected plurality of symbols after the detecting the plurality of symbols of the equalized time-domain received signal.4. The method as recited in wherein the performing the interference cancellation comprises using a partial result produced by an inverse discrete Fourier transform (“IDFT”).5. The method as recited in wherein the performing the interference cancellation comprises performing partial interference cancellation using the partial result produced by the IDFT.6. The method as recited in wherein the performing the interference cancellation comprises performing partial interference cancellation from neighboring symbols in the detected plurality of symbols.7. The method as recited in further comprising producing the time-domain received signal using an IDFT.8. The method as recited in wherein the interference cancellation is performed on a single chip of the detected plurality of symbols.9. The method as recited in wherein the time-domain ...

COMPOSITIONS OF DIBROMOMALONAMIDE AND THEIR USE AS BIOCIDES

A biocidal composition comprising 2,2-dibromomalonamide and an electrophile containing biocide, and its use for the control of microorganisms in aqueous and water-containing systems. 1. A biocidal composition for controlling microorganisms in an aqueous or water-containing system , the composition comprising: 2 ,2-dibromomalonamide and an electrophile containing biocide selected from the group consisting of 2-bromo-2-nitropropane-1 ,3-diol , bromonitrostyrene , methylene bis(thiocyanate) , and 1 ,2-dibromo-2 ,4-dicyanobutane.2. A composition according to wherein the weight ratio of 2 claim 1 ,2-dibromomalonamide to the electrophile containing biocide is between about 100:1 and about 1:100.3. A composition according to wherein the electrophile containing biocide is 2-bromo-2-nitropropane-1 claim 1 ,3-diol and the weight ratio of 2 claim 1 ,2-dibromomalonamide to 2-bromo-2-nitropropane-1 claim 1 ,3-diol is from about 32:1 to about 1:2.4. A composition according to wherein the electrophile containing biocide is bromonitrostyrene and the weight ratio of 2 claim 1 ,2-dibromomalonamide to bromonitrostyrene is from about 32:1 to about 1:2.5. A composition according to wherein the electrophile containing biocide is methylene bis(thiocyanate) and the weight ratio of 2 claim 1 ,2-dibromomalonamide to methylene bis(thiocyanate) is from about about 32:1 to about 4:1.6. A composition according to wherein the electrophile containing biocide is 1 claim 1 ,2-dibromo-2 claim 1 ,4-dicyanobutane and the weight ratio of 2 claim 1 ,2-dibromomalonamide to 1 claim 1 ,2-dibromo-2 claim 1 ,4-dicyanobutane is from about 8:1 to about 2:1.76. A composition according to any one of - which is: paint claims 1 , coating claims 1 , aqueous emulsion claims 1 , latex claims 1 , adhesive claims 1 , ink claims 1 , pigment dispersion claims 1 , household or industrial cleaner claims 1 , detergent claims 1 , dish detergent claims 1 , mineral slurry polymer emulsion claims 1 , caulk claims 1 , adhesive ...

SYNERGISTIC ANTIMICROBIAL COMPOSITION

A synergistic antimicrobial composition. The composition contains at least two components. The first component is ortho-phenylphenol or its alkali metal or ammonium salts. The second component is 4,4-dimethyloxazolidine (DMOZ). 1. A synergistic antimicrobial composition comprising: (a) ortho-phenylphenol or its alkali metal or ammonium salts; and (b) hexahydro-1 ,3 ,5-tris(2-hydroxyethyl)-s-triazine;wherein a weight ratio of ortho-phenylphenol or its alkali metal or ammonium salts to hexahydro-1,3,5-tris(2-hydroxyethyl)-s-triazine is from 15:1 to 1:15.2. The composition of in which the weight ratio is from 10:1 to 1:12.3. The composition of in which the weight ratio is from 9:1 to 1:10. This invention relates to combinations of biocides, the combinations having greater activity than would be observed for the individual antimicrobial compounds.Use of combinations of at least two antimicrobial compounds can broaden potential markets, reduce use concentrations and costs, and reduce waste. In some cases, commercial antimicrobial compounds cannot provide effective control of microorganisms, even at high use concentrations, due to weak activity against certain types of microorganisms, or relatively slow antimicrobial action, or instability under certain conditions such as high temperature and high pH. Combinations of different antimicrobial compounds are sometimes used to provide overall control of microorganisms or to provide the same level of microbial control at lower use rates in a particular end use environment. For example, U.S. Pat. No. 7,262,222 discloses combinations of ortho-phenylphenol and a guanidine biocide or a quaternary ammonium biocide, but this reference does not suggest any of the combinations claimed herein. Moreover, there is a need for additional combinations of antimicrobial compounds having enhanced activity to provide effective control of microorganisms. The problem addressed by this invention is to provide such combinations of antimicrobial ...

SYNERGISTIC ANTIMICROBIAL COMPOSITION

A synergistic antimicrobial composition comprising: 1. A method for inhibiting microbial growth in a medium at a temperature of at least 60° C. and a sulfide level at least 4 ppm; said method comprising adding to the medium:(a) tetrakis(hydroxymethyl)phosphonium sulfate; and (b) tris(hydroxymethyl)nitromethane;wherein a weight ratio of tetrakis(hydroxymethyl)phosphonium sulfate to tris(hydroxymethyl)nitromethane is from 1:1.5 to 1:12.2. The method of in which the temperature is at least 70° C. and a sulfide level at least 7 ppm; and in which said weight ratio is from 1:1.8 to 1:10.3. The method of in which the medium is anaerobic and contains sulfate-reducing bacteria.4. The method of in which said weight ratio is from 1:2 to 1:8.5. The method of in which said weight ratio is from 1:2 to 1:8 This invention relates to combinations of biocides, the combinations having greater activity than would be observed for the individual antimicrobial compounds. Use of combinations of at least two antimicrobial compounds can broaden potential markets, reduce use concentrations and costs, and reduce waste. In some cases, commercial antimicrobial compounds cannot provide effective control of microorganisms, even at high use concentrations, due to weak activity against certain types of microorganisms, or relatively slow antimicrobial action, or instability under certain conditions such as high temperature and high pH. Combinations of different antimicrobial compounds are sometimes used to provide overall control of microorganisms or to provide the same level of microbial control at lower use rates in a particular end use environment. For example, U.S. Pat. No. 5,385,896 discloses combinations of phosphonium salts and aldehydes, but this reference does not suggest any of the combinations claimed herein. Moreover, there is a need for additional combinations of antimicrobial compounds having enhanced activity to provide effective control of microorganisms. The problem addressed by this ...

COMPOSITIONS OF DIBROMOMALONAMIDE AND THEIR USE AS BIOCIDES

A biocidal composition comprising 2,2-dibromomalonamide and an oxidizing biocide, and its use for the control of microorganisms in aqueous and water-containing systems. 1. A biocidal composition comprising: 2 ,2-dibromomalonamide and an oxidizing biocide comprising hypochlorous acid or a salt thereof , monohalodimethylhydantoin , dichlorodimethylhydantoin , or dibromodimethylhydantoin.2. A composition according to wherein the weight ratio of 2 claim 1 ,2-dibromomalonamide to the oxidizing biocide is between 16:1 and 1:8.3. A composition according to wherein the oxidizing biocide comprises hypochlorous acid or a salt thereof claim 1 , and the weight ratio of 2 claim 1 ,2-dibromomalonamide to hypochlorous acid or salt thereof is between 16:1 and 1:1.4. A composition according to wherein the oxidizing biocide comprises a monohalodimethylhydantoin and the weight ratio of the 2 claim 1 ,2-dibromomalonamide to the monohalodimethylhydantoin is between 1:1 and 1:4.5. A composition according to wherein the oxidizing comprises dichlorodimethylhydantoin and the weight ratio of the 2 claim 1 ,2-dibromomalonamide to the dichlorodimethylhydantoin is between 16:1 and 1:2.6. A composition according to wherein the oxidizing biocide comprises dibromodimethylhydantoin and the weight ratio of the 2 claim 1 ,2-dibromomalonamide to the dibromodimethylhydantoin is between 16:1 and 1:8.76. A composition according to any one of - which is: paint claims 1 , coating claims 1 , aqueous emulsion claims 1 , latex claims 1 , adhesive claims 1 , ink claims 1 , pigment dispersion claims 1 , household or industrial cleaner claims 1 , detergent claims 1 , dish detergent claims 1 , mineral slurry polymer emulsion claims 1 , caulk claims 1 , adhesive claims 1 , tape joint compound claims 1 , disinfectant claims 1 , sanitizer claims 1 , metalworking fluid claims 1 , construction product claims 1 , personal care product claims 1 , textile fluid claims 1 , spin finish claims 1 , industrial process water ...

COMPOSITIONS OF DIBROMOMALONAMIDE AND THEIR USE AS BIOCIDES

A biocidal composition comprising 2,2-dibromomalonamide and an aldehyde-based biocidal compound, and its use for the control of microorganisms in aqueous and water-containing systems. 1. A biocidal composition for controlling microorganisms in an aqueous or water-containing system , the composition comprising: 2 ,2-dibromomalonamide and an aldehyde-based biocidal compound;wherein the aldehyde-based biocidal compound is 1,3,5-triethylhexahydro-s-triazine and the weight ratio of 2,2-dibromomalonamide to 1,3,5-triethylhexahydro-s-triazine is from about 2:1 to about 1:16.2. A composition according to which is: paint claim 1 , coating claim 1 , aqueous emulsion claim 1 , latex claim 1 , adhesive claim 1 , ink claim 1 , pigment dispersion claim 1 , household or industrial cleaner claim 1 , detergent claim 1 , dish detergent claim 1 , mineral slurry polymer emulsion claim 1 , caulk claim 1 , adhesive claim 1 , tape joint compound claim 1 , disinfectant claim 1 , sanitizer claim 1 , metalworking fluid claim 1 , construction product claim 1 , personal care product claim 1 , textile fluid claim 1 , spin finish claim 1 , industrial process water claim 1 , oilfield functional fluid claim 1 , fuel claim 1 , air washer claim 1 , wastewater claim 1 , ballast water claim 1 , filtration systems claim 1 , or swimming pool and spa water.3. A method for controlling microorganism growth in an aqueous or water-containing system claim 1 , the method comprising treating the aqueous or water-containing system with an effective amount of a composition according to .4. A method according to wherein the aqueous or water-containing system is paint claim 3 , coating claim 3 , aqueous emulsion claim 3 , latex claim 3 , adhesive claim 3 , ink claim 3 , pigment dispersion claim 3 , household or industrial cleaner claim 3 , detergent claim 3 , dish detergent claim 3 , mineral slurry polymer emulsion claim 3 , caulk claim 3 , adhesive claim 3 , tape joint compound claim 3 , disinfectant claim 3 , ...

HIGH-THROUGHPUT BEAMFORMING MIMO RECEIVER FOR MILLIMETER WAVE COMMUNICATION AND METHOD

A receiver in a communication system is provided that includes a synchronization module and a channel estimator. The synchronization module is configured to identify an end of a cyclic prefix (CP) in a received signal using slope detection by monitoring a detection metric threshold in the received signal. The channel estimator is configured to estimate a complex noise variance using guard band subcarriers. 1. A receiver in a communication system , comprising:a synchronization module configured to identify an end of a cyclic prefix (CP) in a received signal using slope detection by monitoring a detection metric threshold in the received signal; anda channel estimator configured to estimate a complex noise variance using guard band subcarriers.2. The receiver of claim 1 , wherein the synchronization module comprises a synchronization channel (SCH) detection trigger configured to compare a first value of the detection metric threshold to a second value of the detection metric threshold claim 1 , wherein the first value and the second value are separated in time by a length of the CP.3. The receiver of claim 2 , wherein the SCH detection trigger is further configured to identify the end of the CP when the second value becomes lower than the first value.4. The receiver of claim 1 , wherein the synchronization module comprises an energy estimator configured to estimate an energy value corresponding to the received signal claim 1 , and wherein the synchronization module is further configured claim 1 , when the synchronization module identifies the end of the CP claim 1 , to capture the energy value generated by the energy estimator for use in beamforming and automatic gain control.5. The receiver of claim 1 , wherein the received signal comprises an SCH sub-frame claim 1 , and wherein a first symbol of the SCH sub-frame is duplicated in a last symbol of the SCH sub-frame.6. The receiver of claim 1 , wherein the synchronization module comprises a symbol-halves correlator ...

SYNERGISTIC ANTIMICROBIAL COMPOSITION OF 1,2-BENZISOTHIAZOLIN-3-ONE AND TRIS(HYDROXYMETHYL)NITROMETHANE

A synergistic antimicrobial composition containing 1,2-benzisothiazolin-3-one and tris(hydroxymethyl)nitromethane. 1. A method for inhibiting microbial growth in an aqueous medium; said method comprises adding to the aqueous medium: (a) 1 ,2-benzisothiazolin-3-one; and (b) tris(hydroxymethyl)nitromethane; wherein a weight ratio of 1 ,2-benzisothiazolin-3-one to tris(hydroxymethyl)nitromethane is from 9:1 to 1:8.2.2. The method of in which the aqueous medium comprises anaerobic bacteria and the weight ratio is from 9:1 to 1:3.3. The method of in which the aqueous medium comprises aerobic bacteria and the weight ratio is from 1:2.9 to 1:8.2. This invention relates to combinations of biocides, the combinations having greater activity than would be observed for the individual antimicrobial compounds.Use of combinations of at least two antimicrobial compounds can broaden potential markets, reduce use concentrations and costs, and reduce waste. In some cases, commercial antimicrobial compounds cannot provide effective control of microorganisms, even at high use concentrations, due to weak activity against certain types of microorganisms, or relatively slow antimicrobial action, or instability under certain conditions such as high temperature and high pH. Combinations of different antimicrobial compounds are sometimes used to provide overall control of microorganisms or to provide the same level of microbial control at lower use rates in a particular end use environment. For example, U.S. Pat. No. 6,432,433 discloses combinations of 1,2-benzisothiazolin-3-one (BIT) and a formaldehyde adduct, but this reference does not suggest any of the combinations claimed herein. Moreover, there is a need for additional combinations of antimicrobial compounds having enhanced activity to provide effective control of microorganisms. The problem addressed by this invention is to provide such combinations of antimicrobial compounds.The present invention is directed to a synergistic ...

MICROBICIDAL COMPOSITION

A synergistic microbicidal composition comprising a non-ionic surfactant and glutaraldehyde and a method for inhibiting the growth of microorganisms in an aqueous medium. 1. A synergistic microbicidal composition comprising: (a) a nonionic surfactant with structure:{'br': None, 'sup': '1', 'sub': 2', '3', '5', '2', '2', '6, 'RO(CHCH(CH)O)(CHCHO)H'}{'sup': '1', 'where Ris 2-ethylhexyl; and (b) glutaraldehyde; wherein a weight ratio of the glutaraldehyde to nonionic surfactant is from 8:1 to 1:1.'}2. A method for controlling the growth of microorganisms in an aqueous medium; the method comprising adding to the aqueous medium the synergistic microbicidal composition of .3. A synergistic microbicidal composition comprising: (a) a nonionic surfactant with structure:{'br': None, 'sup': '1', 'sub': 2', '3', '5', '2', '2', '9, 'RO(CHCH(CH)O)(CHCHO)H'}{'sup': '1', 'where Ris 2-ethylhexyl; and (b) glutaraldehyde; wherein a weight ratio of the glutaraldehyde to nonionic surfactant is from 8:1 to 1:4'}4. A method for controlling the growth of microorganisms in an aqueous medium; the method comprising adding to the aqueous medium the synergistic microbicidal composition of . This invention relates to microbicidal compositions containing glutaraldehyde and a surfactant.A composition containing 5-chloro-2-methylisothiazolin-3-one, 2-methylisothiazolin-3-one and a nonionic dispersant is disclosed in U.S. Pat. No. 4,295,932. The composition contains a 3:1 mixture of 5-chloro-2-methylisothiazolin-3-one and 2-methylisothiazolin-3-one, and a copolymer of ethylene oxide and propylene oxide. However, there is a need for combinations of microbicides having synergistic activity against various strains of microorganisms to provide effective control of the microorganisms. Moreover, there is a need for such combinations containing lower levels of individual microbicides for environmental and economic benefit. The problem addressed by this invention is to provide such synergistic combinations ...

Glutaraldehyde based biocidal compositions and methods of use

Provided are biocidal compositions comprising glutaraldehyde and a compound selected from the group consisting of 1-(3-chloroallyl)-3,5,7-triaza-1-azoniaadamantane; tris(hydroxymethyl)-nitromethane; and a hexahydrotriazine compound. The compositions are useful for controlling microorganisms in aqueous or water-containing systems.

GLUTARALDEHYDE BASED BIOCIDAL COMPOSITIONS AND METHODS OF USE

Provided are biocidal compositions comprising glutaraldehyde and a compound selected from the group consisting of 1-(3-chloroallyl)-3,5,7-triaza-1-azoniaadamantane; tris(hydroxymethyl)-nitromethane; and a hexahydrotriazine compound. The compositions are useful for controlling microorganisms in aqueous or water-containing systems. 1. A synergistic combination composition comprising:glutaraldehyde; and1-(3-chloroallyl)-3,5,7-triaza-1-azoniaadamantane wherein the synergistic weight ratio of glutaraldehyde; and 1-(3-chloroallyl)-3,5,7-triaza-1-azoniaadamantane ranges from 9:1 to 1:11.2. A composition according to further comprising one or more surfactants claim 1 , ionic/nonionic polymers claim 1 , scale and corrosion inhibitors claim 1 , oxygen scavengers or additional biocides.3. A method for controlling microorganisms in an aqueous or water-containing system claim 1 , the method comprising treating the system with an effective amount of a composition according to .4. A method according to wherein the aqueous or water-containing system is used or is present in oil and or gas production.5. A method according to wherein oil and gas production comprises injection and produced water claim 4 , source water for waterflooding and hydraulic fracturing claim 4 , pond water claim 4 , holding tank water claim 4 , functional fluids claim 4 , drilling muds claim 4 , completion and workover fluids claim 4 , hydrotest fluids claim 4 , stimulation fluids claim 4 , packer fluids claim 4 , fracturing fluids claim 4 , oil and gas wells claim 4 , separation claim 4 , storage and transportation systems claim 4 , oil and gas pipelines claim 4 , oil and gas vessels claim 4 , or fuel.6. A method according to wherein the aqueous or water-containing system is cooling towers claim 4 , heat exchangers claim 4 , boiler systems claim 4 , pulp and paper manufacture claim 4 , other industrial process water claim 4 , ballast water claim 4 , wastewater treatment systems claim 4 , reverse osmosis water ...

COMPOSITIONS OF DIBROMOMALONAMIDE AND THEIR USE AS BIOCIDES

A biocidal composition comprising 2,2-dibromomalonamide and an aldehyde-based biocidal compound, and its use for the control of microorganisms in aqueous and water-containing systems. 1. A biocidal composition for controlling microorganisms in an aqueous or water-containing system , the composition comprising: 2 ,2-dibromomalonamide and an aldehyde-based biocidal compound;wherein the aldehyde-based biocidal compound is 7-ethyl bicyclooxazolidine and the weight ratio of 2,2-dibromomalonamide to 7-ethyl bicyclooxazolidine is from about 1:1 to about 1:1280.2. A biocidal composition for controlling microorganisms in an aqueous or water-containing system , the composition comprising: 2 ,2-dibromomalonamide and an aldehyde-based biocidal compound;wherein the aldehyde-based biocidal compound is 4,4-rlimethyloxazoHdine and the weight ratio of 2,2-dibromomalonamide to 4,4-dimethyloxazolidine is from about 1:2 to about 1:3.3. A composition according to which is: paint claim 1 , coating claim 1 , aqueous emulsion claim 1 , latex claim 1 , adhesive claim 1 , ink claim 1 , pigment dispersion claim 1 , household or industrial cleaner claim 1 , detergent claim 1 , dish detergent claim 1 , mineral slurry polymer emulsion claim 1 , caulk claim 1 , adhesive claim 1 , tape joint compound claim 1 , disinfectant claim 1 , sanitizer claim 1 , metalworking fluid claim 1 , construction product claim 1 , personal care product claim 1 , textile fluid claim 1 , spin finish claim 1 , industrial process water claim 1 , oilfield functional fluid claim 1 , fuel claim 1 , air washer claim 1 , wastewater claim 1 , ballast water claim 1 , filtration systems claim 1 , or swimming pool and spa water.4. A method for controlling microorganism growth in an aqueous or water-containing system claim 1 , the method comprising treating the aqueous or water-containing system with an effective amount of a composition according to .5. A method according to wherein the aqueous or water-containing system is paint ...

BIOCIDAL COMPOSITIONS AND METHODS OF USE

Provided are biocidal compositions comprising: a hydroxymethyl-substituted phosphorus compound and a polymeric biguanide. The compositions are useful for controlling microorganisms in aqueous or water-containing systems. 1. A composition comprising: a hydroxymethyl-substituted phosphorus compound selected from the group consisting of a tetrakis(hydroxymethyl)phosphonium salt , a C-Calkyl- or C-Calkenyl- tris(hydroxymethyl)phosphonium salt , and tris(hydroxymethyl)phosphine; and a polymeric biguanide.2. The composition of wherein the weight ratio the hydroxymethyl-substituted phosphorus compound to the polymeric biguanide is between 17:1 and 1:17.32. The composition of any one of - wherein the hydroxymethyl-substituted phosphorus compound is tetrakis (hydroxymethyl) phosphonium sulfate.43. The composition of any one of - wherein the polymeric biguanide is polyhexamethylene biguanide or a salt thereof.54. A method for controlling microorganisms in an aqueous or water-containing system claims 1 , the method comprising treating the system with the composition of any one of -.6. The method of wherein the aqueous or water-containing system is used or is present in oil or gas production.7. The method of wherein oil or gas production comprises injection and produced water claim 6 , source water for waterflooding and hydraulic fracturing claim 6 , pond water claim 6 , holding tank water claim 6 , functional fluids claim 6 , drilling muds claim 6 , completion and workover fluids claim 6 , hydrotest fluids claim 6 , stimulation fluids claim 6 , packer fluids claim 6 , fracturing fluids claim 6 , oil and gas wells claim 6 , separation claim 6 , storage and transportation systems claim 6 , oil and gas pipelines claim 6 , oil and gas vessels claim 6 , or fuel.8. The method of wherein the aqueous or water-containing system is cooling water claim 5 , air washer claim 5 , heat exchangers claim 5 , boiler water claim 5 , pulp and paper mill water claim 5 , other industrial process ...

Synergistic antimicrobial composition

A synergistic antimicrobial composition having two components. The first component is a hydroxymethyl-substituted phosphorus compound. The second component is one of the following biocides: hexahydro-1,3,5-tris(2-hydroxyethyl)-s-triazine, 2,6-dimethyl-1,3-dioxan-4-yl acetate or ortho-phenylphenol or its alkali metal or ammonium salts.

A method for biofilm dispersal

The present invention relates to a method for dispersing biofilm using mannose and its analogs.

COMPOSITIONS OF DIBROMOMALONAMIDE AND THEIR USE AS BIOCIDES

A biocidal composition comprising 2,2-dibromomalonamide and an electrophile containing biocide, and its use for the control of microorganisms in aqueous and water-containing systems. 1. A biocidal composition for controlling microorganisms in an aqueous or water-containing system , the composition comprising 2 ,2-dibromomalonamide and bromonitrostyrene.2. A composition according to wherein the weight ratio of 2 claim 1 ,2-dibromomalonamide to bromonitrostyrene is between 100:1 and 1:100.3. A composition according to wherein the weight ratio of 2 claim 1 ,2-dibromomalonamide to bromonitrostyrene is from 32:1 to 1:2.4. A composition according to which is: paint claim 1 , coating claim 1 , aqueous emulsion claim 1 , latex claim 1 , adhesive claim 1 , ink claim 1 , pigment dispersion claim 1 , household or industrial cleaner claim 1 , detergent claim 1 , dish detergent claim 1 , mineral slurry polymer emulsion claim 1 , caulk claim 1 , adhesive claim 1 , tape joint compound claim 1 , disinfectant claim 1 , sanitizer claim 1 , metalworking fluid claim 1 , construction product claim 1 , personal care product claim 1 , textile fluid claim 1 , spin finish claim 1 , industrial process water claim 1 , oilfield functional fluid claim 1 , fuel claim 1 , air washer claim 1 , wastewater claim 1 , ballast water claim 1 , filtration systems claim 1 , swimming pool or spa water.5. A method for controlling microorganism growth in an aqueous or water-containing system claim 1 , the method comprising treating the aqueous or water-containing system with an effective amount of a composition according to .6. A method according to wherein the aqueous or water-containing system is paint claim 5 , coating claim 5 , aqueous emulsion claim 5 , latex claim 5 , adhesive claim 5 , ink claim 5 , pigment dispersion claim 5 , household or industrial cleaner claim 5 , detergent claim 5 , dish detergent claim 5 , mineral slurry polymer emulsion claim 5 , caulk claim 5 , adhesive claim 5 , tape joint ...

Compositions of dibromomalonamide and their use as biocides

A biocidal composition comprising 2,2-dibromomalonamide and an electrophile containing biocide, and its use for the control of microorganisms in aqueous and water-containing systems.

BIOCIDAL COMPOSITIONS AND METHODS OF USE

Provided are biocidal compositions comprising: a hydroxymethyl-substituted phosphorus compound and an isothiazolinone compound selected from 1,2-benzisothiazolin-3-one, 2-methyl-1,2-benzisothiazolin-3-one, and mixtures thereof. The compositions are useful for controlling microorganisms in aqueous or water-containing systems. 1. A composition comprising: a hydroxymethyl-substituted phosphorus compound selected from the group consisting of a tetrakis(hydroxymethyl)phosphonium salt , a C-Calkyl- or C-Calkenyl-tris(hydroxymethyl)phosphonium salt , and tris(hydroxymethyl)phosphine; and an isothiazolinone compound selected from 1 ,2-benzisothiazolin-3-one , 2-methyl-1 ,2-benzisothiazolin-3-one , and mixtures thereof.2. The composition of wherein the isothiazolinone compound is 1 claim 1 ,2-benzisothiazolin-3-one and the weight ratio of the hydroxymethyl-substituted phosphorus compound to the 1 claim 1 ,2-benzisothiazolin-3-one is between 8:1 and 1:8.3. The composition of wherein the isothiazolinone compound is 2-methyl-1 claim 1 ,2-benzisothiazolin-3-one and the weight ratio of the hydroxymethyl-substituted phosphorus compound to the 2-methyl-1 claim 1 ,2-benzisothiazolin-3-one is between 10000:1 and 5000:1.43. The composition of any one of - wherein the hydroxymethyl-substituted phosphorus compound is tetrakis (hydroxymethyl) phosphonium sulfate.54. A method for controlling microorganisms in an aqueous or water-containing system claims 1 , the method comprising treating the system with the composition of any one of -.6. The method of wherein the aqueous or water-containing system is used or is present in oil or gas production.7. The method of wherein oil or gas production comprises injection and produced water claim 6 , source water for waterflooding and hydraulic fracturing claim 6 , pond water claim 6 , holding tank water claim 6 , functional fluids claim 6 , drilling muds claim 6 , completion and workover fluids claim 6 , hydrotest fluids claim 6 , stimulation fluids ...

MICROBICIDAL COMPOSITION

An aqueous microbicidal composition having two components. The first component is a nonionic surfactant with structure: RO(CHCH(CH)O)(CHCHO)H, where Ris a mixture of C-Clinear alkyl groups. The second component is a benzoate or sorbate salt. The weight ratio of the nonionic surfactant to the benzoate or sorbate salt is from 1:0.12 to 1:109.7646. 2. The synergistic microbicidal composition of in which said mixture of C-Clinear alkyl groups comprises from 60 to 75 wt % C-Clinear alkyl groups and 25 to 40 wt % C-Clinear alkyl groups.4. The method of in which said mixture of C-Clinear alkyl groups comprises from 60 to 75 wt % C-Clinear alkyl groups and 25 to 40 wt % C-Clinear alkyl groups.6. The synergistic microbicidal composition of in which said mixture of C-Clinear alkyl groups comprises from 60 to 75 wt % C-Clinear alkyl groups and 25 to 40 wt % C-Clinear alkyl groups.8. The method of in which said mixture of C-Clinear alkyl groups comprises from 60 to 75 wt % C-Clinear alkyl groups and 25 to 40 wt % C-Clinear alkyl groups.10. The synergistic microbicidal composition of in which claim 9 , said Calkyl group is a 2-ethylhexyl group. This invention relates to microbicidal compositions containing benzoate or sorbate and a surfactant.A composition containing 5-chloro-2-methylisothiazolin-3-one, 2-methylisothiazolin-3-one and a nonionic dispersant is disclosed in U.S. Pat. No. 4,295,932. The composition contains a 3:1 mixture of 5-chloro-2-methylisothiazolin-3-one and 2-methylisothiazolin-3-one, and a copolymer of ethylene oxide and propylene oxide which appears to have the same composition as PLURONIC L61 or TERGITOL L61 dispersant. However, there is a need for combinations of microbicides having synergistic activity against various strains of microorganisms to provide effective control of the microorganisms. Moreover, there is a need for such combinations containing lower levels of individual microbicides for environmental and economic benefit. The problem addressed by ...

MICROBICIDAL COMPOSITION

An aqueous microbicidal composition having two components. The first component is a nonionic surfactant with structure: RO(CHCH(CH)O)(CHCHO)H, where Ris a Calkyl group. The second component is phenoxyethanol. The weight ratio of the nonionic surfactant to phenoxyethanol is from 1:1 to 1:18.2766. 2. The synergistic microbicidal composition of in which said Calkyl group is 2-ethylhexyl.4. The method of in which said Calkyl group is 2-ethylhexyl.6. The synergistic microbicidal composition of in which said mixture of C-Clinear alkyl groups comprises from 60 to 75 wt % C-Clinear alkyl groups and 25 to 40 wt % C-Clinear alkyl groups.7. The synergistic microbicidal composition of in which x is 5.8. The synergistic microbicidal composition of in which x is 7 and said weight ratio is 1:0.7996 to 1:27.4377.10. The method of in which. said mixture of C-Clinear alkyl groups comprises from 60 to 75 wt % C-Clinear alkyl groups and 25 to 40 wt % C-Clinear alkyl groups. This invention relates to microbicidal compositions containing 2-phenoxyethanol and a surfactant.A composition containing 5-chloro-2-methylisothiazolin-3-one, 2-methylisothiazolin-3-one and a nonionic dispersant is disclosed in U.S. Pat. No. 4,295,932. The composition contains a 3:1 mixture of 5-chloro-2-methylisothiazolin-3-one and 2-methylisothiazolin-3-one, and a copolymer of ethylene oxide and propylene oxide which appears to have the same composition as PLURONIC L61 or TERGITOL L61 dispersant. However, there is a need for combinations of microbicides having synergistic activity against various strains of microorganisms to provide effective control of the microorganisms. Moreover, there is a need for such combinations containing lower levels of individual microbicides for environmental and economic benefit. The problem addressed by this invention is to provide such synergistic combinations of microbicides.The present invention is directed to a synergistic microbicidal composition comprising: (a) a nonionic ...

Microbicidal composition

A synergistic microbicidal composition containing 2-(decylthio)ethanamine or its hydrochloride salt and 2,2-dibromomalonamide in a weight ratio from 64/1 to 1/16.

MICROBICIDAL COMPOSITION

A synergistic microbicidal composition having two components. The first component is a nonionic surfactant with structure: RO(CHCH(CH)O)(CHCHO)H, where Ris a mixture of C-Clinear alkyl groups. The second component is 2-bromo-2-nitropropane-1,3-diol. The weight ratio of the nonionic surfactant to 2-bromo-2-nitropropane-1,3-diol is from 1:0.08 to 1:0.12 or 1:0.2 to 1:1.8286. 2. The synergistic microbicidal composition of in which said mixture of C-Clinear alkyl groups comprises from 60 to 75 wt % C-Clinear alkyl groups and 25 to 40 wt % C-Clinear alkyl groups.4. The synergistic microbicidal composition of in which said mixture of C-Clinear alkyl groups comprises from 60 to 75 wt % C-Clinear alkyl groups and 25 to 40 wt % C-Clinear alkyl groups.6. The synergistic microbicidal composition of in which Ris 2-ethylhexyl. This invention relates to microbicidal compositions containing 2-bromo-2-nitropropane-1,3-diol (BNPD), tetrahydro-3,5-dimethyl-2H-1,3,5-thiadiazine-2-thione (DAZOMET) or BIOBAN P-1487 (ca. 81:5 mixture of 4-(2-nitrobutyl)morpholine and 4,4′-(2-ethyl-2-nitrotrimethylene)dimorpholine, respectively) and a surfactant.A composition containing 5-chloro-2-methylisothiazolin-3-one, 2-methylisothiazolin-3-one and a nonionic dispersant is disclosed in U.S. Pat. No. 4,295,932. The composition contains a 3:1 mixture of 5-chloro-2-methylisothiazolin-3-one and 2-methylisothiazolin-3-one, and a copolymer of ethylene oxide and propylene oxide which appears to have the same composition as PLURONIC L61 or TERGITOL L61 dispersant. However, there is a need for combinations of microbicides having synergistic activity against various strains of microorganisms to provide effective control of the microorganisms. Moreover, there is a need for such combinations containing lower levels of individual microbicides for environmental and economic benefit. The problem addressed by this invention is to provide such synergistic combinations of microbicides.The present invention is directed ...

MICROBICIDAL COMPOSITION

A synergistic microbicidal composition comprising a non-ionic surfactant and glutaraldehyde and a method for inhibiting the growth of microorganisms in an aqueous medium. 1. A synergistic microbiocidal composition comprising: (a) a nonionic surfactant with structure:{'br': None, 'sub': 2', '2', 'x', '3', '2', 'z', '2', '2', 'y, 'H(OCHCH)(OCHCHCH)(OCHCH)OH'}wherein x+y=22-28 and z=27-33; and(b) glutaraldehyde; wherein a weight ratio of the glutaraldehyde to nonionic surfactant is from 8:1 to 1:1.2. A method for controlling the growth of microorganisms in an aqueous medium; the method comprising adding to the aqueous medium a the synergistic microbiocidal composition of .3. A synergistic microbicidal composition comprising: (a) a nonionic surfactant with structure:{'br': None, 'sub': 2', '2', 'x', '3', '2', 'z', '2', '2', 'y, 'H(OCHCH)(OCHCHCH)(OCHCH)OH;'}wherein x+y=6-8 and z=40-50; and(b) glutaraldehyde; wherein a weight ratio of the glutaraldehyde to nonionic surfactant is from 17:1 to 1:1.4. A method for controlling the growth of microorganisms in an aqueous medium; the method comprising adding to the aqueous medium a the synergistic microbiocidal composition of . This invention relates to microbicidal compositions containing glutaraldehyde and a surfactant.A composition containing 5-chloro-2-methylisothiazolin-3-one, 2-methylisothiazolin-3-one and a nonionic dispersant is disclosed in U.S. Pat. No. 4,295,932. The composition contains a 3:1 mixture of 5-chloro-2-methylisothiazolin-3-one and 2-methylisothiazolin-3-one, and a copolymer of ethylene oxide and propylene oxide. However, there is a need for combinations of microbicides having synergistic activity against various strains of microorganisms to provide effective control of the microorganisms. Moreover, there is a need for such combinations containing lower levels of individual microbicides for environmental and economic benefit. The problem addressed by this invention is to provide such synergistic ...

MICROBICIDAL COMPOSITION

A synergistic microbicidal composition comprising a non-ionic surfactant and glutaraldehyde and a method for inhibiting the growth of microorganisms in an aqueous medium. 1. A synergistic microbicidal composition comprising: (a) a nonionic surfactant with structure:{'br': None, 'sup': '2', 'sub': 2', '3', '3', '2', '2', '7, 'RO(CHCH(CH)O)(CHCHO)H'}{'sup': '2', 'sub': 8', '14, 'where Ris a mixture of C-Clinear alkyl groups; and (b) glutaraldehyde; wherein a weight ratio of the glutaraldehyde to nonionic surfactant is from 17:1 to 1:4.'}2. A method for controlling the growth of microorganisms in an aqueous medium; the method comprising adding to the aqueous medium the synergistic microbicidal composition of .3. A synergistic microbicidal composition comprising: (a) a nonionic surfactant with structure:{'br': None, 'sup': '2', 'sub': 2', '3', '3', '2', '2', '5, 'RO(CHCH(CH)O)(CHCHO)H'}{'sup': '2', 'sub': 8', '14, 'where Ris a mixture of C-Clinear alkyl groups; and (b) glutaraldehyde; wherein a weight ratio of glutaraldehyde to nonionic surfactant is from 17:1 to 3:1.'}4. A method for controlling the growth of microorganisms in an aqueous medium; the method comprising adding to the aqueous medium the synergistic microbicidal composition of .5. A synergistic microbicidal composition comprising: (a) a nonionic surfactant with structure:{'br': None, 'sup': '2', 'sub': 2', '3', '3', '2', '2', '13, 'RO(CHCH(CH)O)(CHCHO)H'}{'sup': '2', 'sub': 8', '14, 'where Ris a mixture of C-Clinear alkyl groups; and (b) glutaraldehyde; wherein a weight ratio of glutaraldehyde to nonionic surfactant is from 8:1 to 1:1.'}6. A method for controlling the growth of microorganisms in an aqueous medium; the method comprising adding to the aqueous medium the synergistic microbicidal composition of . This invention relates to microbicidal compositions containing glutaraldehyde and a surfactant.A composition containing 5-chloro-2-methylisothiazolin-3-one, 2-methylisothiazolin-3-one and a nonionic ...

Microbicidal composition

A synergistic microbicidal composition comprising a non-ionic surfactant and glutaraldehyde and a method for inhibiting the growth of microorganisms in an aqueous medium.

MICROBICIDAL COMPOSITION

A synergistic microbicidal composition having two components. The first component is a nonionic surfactant with structure: RO(CHCH(CH)O)(CHCHO)H, where Ris a Calkyl group. The second component is 2-methyl-4-isothiazolin-3-one. The weight ratio of the nonionic surfactant to 2-methyl-4-isothiazolin-3-one is from 1:0.005 to 1:1.3714. 2. The synergistic microbicidal composition of in which Ris 2-ethylhexyl.4. The method of in which Ris 2-ethylhexyl.6. The synergistic microbicidal composition of in which said mixture of C-Clinear alkyl groups comprises from 60 to 75 wt % C-Clinear alkyl groups and 25 to 40 wt % C-Clinear alkyl groups.8. The method of in which said mixture of C-Clinear alkyl groups comprises from 60 to 75 wt % C-Clinear alkyl groups and 25 to 40 wt % C-Clinear alkyl groups.10. The synergistic microbicidal composition of in which said mixture of C-Clinear alkyl groups comprises from 60 to 75 wt % C-Clinear alkyl groups and 25 to 40 wt % C-Clinear alkyl groups. This invention relates to microbicidal compositions containing 2-methyl-4-isothiazolin-3-one and a surfactant.A composition containing 5-chloro-2-methylisothiazolin-3-one, 2-methylisothiazolin-3-one and a nonionic dispersant is disclosed in U.S. Pat. No. 4,295,932. The composition contains a 3:1 mixture of 5-chloro-2-methylisothiazolin-3-one and 2-methylisothiazolin-3-one, and a copolymer of ethylene oxide and propylene oxide which appears to have the same composition as PLURONIC L61 or TERGITOL L61 dispersant. However, there is a need for combinations of microbicides having synergistic activity against various strains of microorganisms to provide effective control of the microorganisms. Moreover, there is a need for such combinations containing lower levels of individual microbicides for environmental and economic benefit. The problem addressed by this invention is to provide such synergistic combinations of microbicides.The present invention is directed to a synergistic microbicidal composition ...

MICROBICIDAL COMPOSITION

An aqueous microbicidal composition having two components. The first component is a nonionic surfactant with structure: RO(CHCH(CH)O)(CHCHO)H, where Ris a mixture of C-Clinear alkyl groups. The second component is a benzoate or sorbate salt. The weight ratio of the nonionic surfactant to the benzoate or sorbate salt is from 1:0.12 to 1:109.7646. 29. The synergistic microbicidal composition of claim in which said Calkyl group is a 2-ethylhexyl group. This invention relates to microbicidal compositions containing benzoate or sorbate and a surfactant.A composition containing 5-chloro-2-methylisothiazolin-3-one, 2-methylisothiazolin-3-one and a nonionic dispersant is disclosed in U.S. Pat. No. 4,295,932. The composition contains a 3:1 mixture of 5-chloro-2-methylisothiazolin-3-one and 2-methylisothiazolin-3-one, and a copolymer of ethylene oxide and propylene oxide which appears to have the same composition as PLURONIC L61 or TERGITOL L61 dispersant. However, there is a need for combinations of microbicides having synergistic activity against various strains of microorganisms to provide effective control of the microorganisms. Moreover, there is a need for such combinations containing lower levels of individual microbicides for environmental and economic benefit. The problem addressed by this invention is to provide such synergistic combinations of microbicides.The present invention is directed to a synergistic microbicidal composition comprising: (a) a nonionic surfactant with structure:RO(CHCH(CH)O)(CHCHO)Hwhere Ris a mixture of C-Clinear alkyl groups; and (b) a benzoate or sorbate salt; wherein a weight ratio of said nonionic surfactant to the benzoate or sorbate salt is from 1:0.12 to 1:109.7646.The present invention is further directed to a synergistic microbicidal composition comprising: (a) a nonionic surfactant with structure:RO(CHCH(CH)O)(CHCHO)Hwhere Ris a mixture of C-Clinear alkyl groups; and (b) a benzoate or sorbate salt; wherein a weight ratio of said ...

BIOCIDAL COMPOSITIONS AND METHODS OF USE

Provided are biocidal compositions comprising: a hydroxymethyl-substituted phosphorus compound and 2-(decylthio)ethanamine compound. The compositions are useful for controlling microorganisms in aqueous or water-containing systems. 1. A composition comprising: a hydroxymethyl-substituted phosphorus compound selected from the group consisting of a tetrakis(hydroxymethyl)phosphonium salt , a C-Calkyl- or C-Calkenyl- tris(hydroxymethyl)phosphonium salt , and tris(hydroxymethyl)phosphine; and 2-(decylthio)ethanamine.2. The composition of wherein the weight ratio of the hydroxymethyl-substituted phosphorus compound to 2-(decylthio)ethanamine is between 8:1 and 1:4.32. The composition of any one of - wherein the hydroxymethyl-substituted phosphorus compound is tetrakis (hydroxymethyl) phosphonium sulfate.43. The composition of any one of - wherein the 2-(decylthio)ethanamine is a hydrochloric acid salt.54. A method for controlling microorganisms in an aqueous or water-containing system claims 1 , the method comprising treating the system with the composition of any one of -.6. The method of wherein the aqueous or water-containing system is used or is present in oil or gas production.7. The method of wherein oil or gas production comprises injection and produced water claim 6 , source water for waterflooding and hydraulic fracturing claim 6 , pond water claim 6 , holding tank water claim 6 , functional fluids claim 6 , drilling muds claim 6 , completion and workover fluids claim 6 , hydrotest fluids claim 6 , stimulation fluids claim 6 , packer fluids claim 6 , fracturing fluids claim 6 , oil and gas wells claim 6 , separation claim 6 , storage and transportation systems claim 6 , oil and gas pipelines claim 6 , oil and gas vessels claim 6 , or fuel.8. The method of wherein the aqueous or water-containing system is cooling water claim 5 , air washer claim 5 , heat exchangers claim 5 , boiler water claim 5 , pulp and paper mill water claim 5 , other industrial process water ...

COMPOSITIONS OF DIBROMOMALONAMIDE AND THEIR USE AS BIOCIDES

A biocidal composition comprising a synergistic ratio of 2,2-dibromomalonamide and hydroxymethyl-substituted phosphorus compound, and its use for the control of microorganisms in aqueous and water-containing systems. 1. A biocidal composition comprising a synergistic blend of 2 ,2-dibromomalonamide and a hydroxymethyl-substituted phosphorus compound selected from the group consisting of tetrakis(hydroxymethyl)phoshponium salts and tris(hydroxymethyl)phosphine , wherein the weight ratio of 2 ,2-dibromomalonamide to the hydroxymethyl-substituted phosphorus compound is between 100:1 and 1:100.2. The composition of in which the hydroxymethyl-substituted phosphorus compound is tetrakis(hydroxymethyl)phosphonium sulfate.3. The composition of in which the hydroxymethyl-substituted phosphorus compound is tetrakis(hydroxymethyl)phosphonium chloride.4. The composition of in which the hydroxymethyl-substituted phosphorus compound is tris(hydroxymethyl)phosphine.5. The biocidal composition according to which is: paint claim 1 , coating claim 1 , aqueous emulsion claim 1 , latex claim 1 , adhesive claim 1 , ink claim 1 , pigment dispersion claim 1 , household or industrial cleaner claim 1 , detergent claim 1 , dish detergent claim 1 , mineral slurry polymer emulsion claim 1 , caulk claim 1 , adhesive claim 1 , tape joint compound claim 1 , disinfectant claim 1 , sanitizer claim 1 , metalworking fluid claim 1 , construction product claim 1 , personal care product claim 1 , textile fluid claim 1 , spin finish claim 1 , industrial process water claim 1 , oil and gas field injection/fracturing claim 1 , flowback and produced water and fluids as well as functional fluids claim 1 , fuel claim 1 , air washer claim 1 , wastewater claim 1 , ballast water claim 1 , filtration systems claim 1 , swimming pool or spa water.6. A method for controlling microorganism growth and metablic activities in an aqueous or water-containing system claim 1 , the method comprising treating the aqueous or ...

Controlling bacterial biofilms

Methods of controlling bacteria cells are disclosed. These methods comprise upregulating expression of a DVU2956 sigma 54-dependent enhancer-binding protein (EBP) in bacteria cells, resulting in (i) dispersing a biofilm of the cells or reducing biofilm formation by the cells, and/or (ii) reducing hydrogen sulfide formation by the cells. Further disclosed are methods of identifying compounds for controlling bacteria cells as in (i) and/or (ii) above. Polynucleotides and cells are disclosed that can optionally be used to practice compound identification methods.

MICROBICIDAL COMPOSITION

A synergistic microbicidal composition having two components. The first component is a nonionic surfactant with structure: RO(CHCH(CH)O)(CHCHO)H, where Ris a mixture of C-Clinear alkyl groups. The second component is 2-bromo-2-nitropropane-1,3-diol. The weight ratio of the nonionic surfactant to 2-bromo-2-nitropropane-1,3-diol is from 1:0.08 to 1:0.12 or 1:0.2 to 1:1.8286. 23. The synergistic microbicidal composition of claim in which said mixture of C-Clinear alkyl groups comprises from 60 to 75 wt % C-Clinear alkyl groups and 25 to 40 wt % C-Clinear alkyl groups. This invention relates to microbicidal compositions containing 2-bromo-2-nitropropane-1,3-diol (BNPD), tetrahydro-3,5-dimethyl-2H-1,3,5-thiadiazine-2-thione (DAZOMET) or BIOBAN P-1487 (ca. 81:5 mixture of 4-(2-nitrobutyl)morpholine and 4,4′-(2-ethyl-2-nitrotrimethylene)dimorpholine, respectively) and a surfactant.A composition containing 5-chloro-2-methylisothiazolin-3-one, 2-methylisothiazolin-3-one and a nonionic dispersant is disclosed in U.S. Pat. No. 4,295,932. The composition contains a 3:1 mixture of 5-chloro-2-methylisothiazolin-3-one and 2-methylisothiazolin-3-one, and a copolymer of ethylene oxide and propylene oxide which appears to have the same composition as PLURONIC L61 or TERGITOL L61 dispersant. However, there is a need for combinations of microbicides having synergistic activity against various strains of microorganisms to provide effective control of the microorganisms. Moreover, there is a need for such combinations containing lower levels of individual microbicides for environmental and economic benefit. The problem addressed by this invention is to provide such synergistic combinations of microbicides.The present invention is directed to a synergistic microbicidal composition comprising: (a) a nonionic surfactant with structure:RO(CHCH(CH)O)(CHCHO)Hwhere Ris a mixture of C-Clinear alkyl groups; and (b) 2-bromo-2-nitropropane-1,3-diol; wherein a weight ratio of said nonionic ...

MICROBICIDAL COMPOSITION

A synergistic microbicidal composition having two components. The first component is a nonionic surfactant with structure: RO(CHCH(CH)O)(CHCHO)H, where Ris a mixture of C-Clinear alkyl groups. The second component is 2-bromo-2-nitropropane-1,3-diol. The weight ratio of the nonionic surfactant to 2-bromo-2-nitropropane-1,3-diol is from 1:0.08 to 1:0.12 or 1:0.2 to 1:1.8286. 25. The synergistic microbicidal composition of claim in which Ris 2-ethylhexyl. This invention relates to microbicidal compositions containing 2-bromo-2-nitropropane-1,3-diol (BNPD), tetrahydro-3,5-dimethyl-2H-1,3,5-thiadiazine-2-thione (DAZOMET) or BIOBAN P-1487 (ca. 81:5 mixture of 4-(2-nitrobutyl)morpholine and 4,4′-(2-ethyl-2-nitrotrimethylene)dimorpholine, respectively) and a surfactant.A composition containing 5-chloro-2-methylisothiazolin-3-one, 2-methylisothiazolin-3-one and a nonionic dispersant is disclosed in U.S. Pat. No. 4,295,932. The composition contains a 3:1 mixture of 5-chloro-2-methylisothiazolin-3-one and 2-methylisothiazolin-3-one, and a copolymer of ethylene oxide and propylene oxide which appears to have the same composition as PLURONIC L61 or TERGITOL L61 dispersant. However, there is a need for combinations of microbicides having synergistic activity against various strains of microorganisms to provide effective control of the microorganisms. Moreover, there is a need for such combinations containing lower levels of individual microbicides for environmental and economic benefit. The problem addressed by this invention is to provide such synergistic combinations of microbicides.The present invention is directed to a synergistic microbicidal composition comprising: (a) a nonionic surfactant with structure:RO(CHCH(CH)O)(CHCHO)Hwhere Ris a mixture of C-Clinear alkyl groups; and (b) 2-bromo-2-nitropropane-1,3-diol; wherein a weight ratio of said nonionic surfactant to 2-bromo-2-nitropropane-1,3-diol is from 1:0.08 to 1:0.12 or 1:0.2 to 1:1.8286.The present invention is further ...

MICROBICIDAL COMPOSITION

A synergistic microbicidal composition having two components. The first component is a nonionic surfactant with structure: RO(CHCH(CH)O)(CHCHO)H, where Ris a Calkyl group. The second component is 4,4-dimethyloxazolidine. The weight ratio of the nonionic surfactant to 4,4-dimethyloxazolidine is from 1:0.0286 to 1:0.1143 or 1:0.32 to 1:0.9143. 2. The synergistic microbicidal composition of in which Ris 2-ethylhexyl.4. The synergistic microbicidal composition of in which said mixture of C-Clinear alkyl groups comprises from 60 to 75 wt % C-Clinear alkyl groups and 25 to 40 wt % C-Clinear alkyl groups. This invention relates to microbicidal compositions containing cis-1-(3-chloroallyl)-3,5,7-triaza-1-azoniaadamantane chloride (CTAC), 4,4-dimethyloxazolidine (DMO) or tris(hydroxymethyl)nitromethane (Tris Nitro) and a surfactant.A composition containing 5-chloro-2-methylisothiazolin-3-one, 2-methylisothiazolin-3-one and a nonionic dispersant is disclosed in U.S. Pat. No. 4,295,932. The composition contains a 3:1 mixture of 5-chloro-2-methylisothiazolin-3-one and 2-methylisothiazolin-3-one, and a copolymer of ethylene oxide and propylene oxide which appears to have the same composition as PLURONIC L61 or TERGITOL L61 dispersant. However, there is a need for combinations of microbicides having synergistic activity against various strains of microorganisms to provide effective control of the microorganisms. Moreover, there is a need for such combinations containing lower levels of individual microbicides for environmental and economic benefit. The problem addressed by this invention is to provide such synergistic combinations of microbicides.The present invention is directed to a synergistic microbicidal composition comprising: (a) a nonionic surfactant with structure:RO(CHCH(CH)O)(CHCHO)Hwhere Ris a Calkyl group; and (b) cis-1-(3-chloroallyl)-3,5,7-triaza-1-azoniaadamantane chloride; wherein a weight ratio of said nonionic surfactant to cis-1-(3-chloroallyl)-3,5,7-triaza-1- ...

MICROBICIDAL COMPOSITION

A synergistic microbicidal composition having two components. The first component is a nonionic surfactant with structure: RO(CHCH(CH)O)(CHCHO)H, where Ris a mixture of C-Clinear alkyl groups. The second component is tris(hydroxymethyl)nitromethane. The weight ratio of the nonionic surfactant to tris(hydroxymethyl)nitromethane is from 1:0.16 to 1:1.8286. 2. The synergistic microbicidal composition of in which said mixture of C-Clinear alkyl groups comprises from 60 to 75 wt % C-Clinear alkyl groups and 25 to 40 wt % C-Clinear alkyl groups. This invention relates to microbicidal compositions containing cis-1-(3-chloroallyl)-3,5,7-triaza-1-azoniaadamantane chloride (CTAC), 4,4-dimethyloxazolidine (DMO) or tris(hydroxymethyl)nitromethane (Tris Nitro) and a surfactant.A composition containing 5-chloro-2-methylisothiazolin-3-one, 2-methylisothiazolin-3-one and a nonionic dispersant is disclosed in U.S. Pat. No. 4,295,932. The composition contains a 3:1 mixture of 5-chloro-2-methylisothiazolin-3-one and 2-methylisothiazolin-3-one, and a copolymer of ethylene oxide and propylene oxide which appears to have the same composition as PLURONIC L61 or TERGITOL L61 dispersant. However, there is a need for combinations of microbicides having synergistic activity against various strains of microorganisms to provide effective control of the microorganisms. Moreover, there is a need for such combinations containing lower levels of individual microbicides for environmental and economic benefit. The problem addressed by this invention is to provide such synergistic combinations of microbicides.The present invention is directed to a synergistic microbicidal composition comprising: (a) a nonionic surfactant with structure:RO(CHCH(CH)O)(CHCHO)Hwhere Ris a Calkyl group; and (b) cis-1-(3-chloroallyl)-3,5,7-triaza-1-azoniaadamantane chloride; wherein a weight ratio of said nonionic surfactant to cis-1-(3-chloroallyl)-3,5,7-triaza-1-azoniaadamantane chloride is from 1:0.2 to 1:1.1429.The ...

Biocidal compositions and methods of use

Provided are biocidal compositions comprising 2,2-dibromo-3-nitrilopropionamide and tris(hydroxymethyl)-nitromethane.

MICROBICIDAL COMPOSITION

A synergistic microbicidal composition comprising a non-ionic surfactant and glutaraldehyde and a method for inhibiting the growth of microorganisms in an aqueous medium. 1. A synergistic microbiocidal composition comprising: (a) a nonionic surfactant with structure:{'br': None, 'sup': '2', 'sub': 2', '3', '3', '2', '2', '7, 'RO(CHCH(CH)O)(CHCHO)H'}{'sup': '2', 'sub': '12', 'where Ris a Clinear alkyl group; and (b) glutaraldehyde; wherein a weight ratio of the glutaraldehyde to nonionic surfactant is from 17:1 to 1:4.'}2. A method for controlling the growth of microorganisms in an aqueous medium; the method comprising adding to the aqueous medium the synergistic microbiocidal composition of .3. A synergistic microbicidal composition comprising: (a) a nonionic surfactant with structure:{'br': None, 'sup': '2', 'sub': 2', '3', '3', '2', '2', '5, 'RO(CHCH(CH)O)(CHCHO)H'}{'sup': '2', 'sub': '12', 'where Ris a Clinear alkyl group; and (b) glutaraldehyde; wherein a weight ratio of glutaraldehyde to nonionic surfactant is from 17:1 to 3:1.'}4. A method for controlling the growth of microorganisms in an aqueous medium; the method comprising adding to the aqueous medium the synergistic microbiocidal composition of .5. A synergistic microbicidal composition comprising: (a) a nonionic surfactant with structure:{'br': None, 'sup': '2', 'sub': 2', '3', '3', '2', '2', '13, 'RO(CHCH(CH)O)(CHCHO)H'}{'sup': '2', 'sub': '12', 'where Ris a Clinear alkyl group; and (b) glutaraldehyde; wherein a weight ratio of glutaraldehyde to nonionic surfactant is from 8:1 to 1:1.'}6. A method for controlling the growth of microorganisms in an aqueous medium; the method comprising adding to the aqueous medium the synergistic microbiocidal composition of . This invention relates to microbicidal compositions containing glutaraldehyde and a surfactant.A composition containing 5-chloro-2-methylisothiazolin-3-one, 2-methylisothiazolin-3-one and a nonionic dispersant is disclosed in U.S. Pat. No. 4,295, ...

biocidal composition and method for controlling microorganisms in an aqueous or water-containing system

Biocidal compositions and methods of use

Provided are biocidal compositions comprising 2,2-dibromo-3-nitrilopropionamide and tris(hydroxymethyl)-nitromethane.

METHOD TO CONTROL MICRO-ORGANISMS IN AN AQUEOUS SYSTEM

MÉTODO PARA CONTROLAR MICRO-ORGANISMOS EM UM SISTEMA AQUOSO. São providos métodos para controlar micro-organismos em um sistema aquoso que contém agente(s) redutor(es). O método compreende o tratamento do sistema aquoso com uma quantidade eficaz de um composto da fórmula (I): onde x, R e R1 são como definidos aqui. Um método para controlar micro-organismos em um sistema aquoso, o método compreendendo tratar o sistema aquoso com uma quantidade eficaz de um composto da fórmula (1): (Fórmula I); onde X é halogênio, e R e R1 são, respectivamente, hidroxialquila e um radical ciano (-C-N), ou R e R1 são, respectivamente, hidrogênio e um radical amido da fórmula: (Fórmula II), onde o sistema aquoso contém um agente redutor tal como um sulfito, um bissulfito ou um sulfureto. METHOD TO CONTROL MICRO-ORGANISMS IN AN AQUEOUS SYSTEM. Methods are provided for controlling microorganisms in an aqueous system that contains reducing agent(s). The method comprises treating the aqueous system with an effective amount of a compound of formula (I): where x, R and R1 are as defined herein. A method for controlling microorganisms in an aqueous system, the method comprising treating the aqueous system with an effective amount of a compound of formula (1): (Formula I); where X is halogen, and R and R1 are, respectively, hydroxyalkyl and a cyano radical (-C-N), or R and R1 are, respectively, hydrogen and an amide radical of the formula: (Formula II), where the aqueous system contains a reducing agent such as a sulfite, a bisulfite or a sulfide.

Synergistic antimicrobial composition containing ortho-phenylphenol and formaldehyde releasing biocides.

A synergistic antimicrobial composition. The composition contains at least two components. The first component is ortho-phenylphenol or its alkali metal or ammonium salts. The second component is 4,4-dimethyloxazolidine (DMOZ).

Microbicidal composition comprising bronopol, dazomet or a mixture of 4-(2-nitrobutyl)morpholine and 4,4'-(2-ethyl-2-nitrotrimethylene)dimorpholine

A synergistic microbicidal composition having two components. The first component is a nonionic surfactant with structure: R 2 0(CH 2 CH(CH 3 )0) 3 (CH 2 CH 2 0) 5 H, where R 2 is a mixture of C 8 -C 14 linear alkyl groups. The second component is 2-bromo-2- nitropropane-l,3-diol (bronopol), tetrahydro-3,5-dimethyl-2H-l,3,5-thiadiazine-2-thione (dazomet) or a mixture of 4-(2-nitrobutyl) morpholine and 4,4'-(2-ethyl-2-nitrotrimethylene)dimorpholine.

Compositions of dibromomalonamide and their use as biocides

A biocidal composition comprising 2,2-dibromomalonamide and 2,2-dibromo-3-nitrilopropionamide, and its use for the control of microorganisms in aqueous and water- containing systems.

Brominated nitroalkanol compositions and their use as biocides

Provided are biocidal compositions comprising: tris(hydroxymethyl)nitromethane; and a brominated nitroalkanol compound of formula I: wherein R 1 , R 2 , and R 3 are as defined herein. The compositions are useful for controlling microorganisms in aqueous or water-containing systems.

Microbicidal composition comprising a benzoate or sorbate salt

A synergistic microbicidal composition having two components. The first component is a nonionic surfactant with structure: R 1 0(CH 2 CH(CH 3 )0) 5 (CH 2 CH 2 0) 9 H, where R 1 is a C 8 alkyl group. The second component is a sorbate salt. Alternatively, the first component is a nonionic surfactant with structure: R 2 0(CH 2 CH(CH 3 )0) 3 (CH 2 CH 2 0) n H, where R 2 is a mixture of C 8 -C 14 linear alkyl groups and n is 5 or 7. The second component is a benzoate salt or a sorbate salt.

Biocidal compositions and methods of use

Provided is a biocidal composition comprising glutaraldehyde and an oxazolidine biocidal compound. The composition is useful for controlling microorganisms in aqueous or water containing systems such as found in oil and natural gas production.

Compositions of dibromomalonamide and their use as biocides

biocidal composition and method to control the growth of microorganisms in an aqueous or water-containing system

COMPOSIÇÃO BIOCIDA E MÉTODO PARA CONTROLAR O CRESCIMENTO DE MICROORGANISMOS EM UM SISTEMA AQUOSO OU CONTENDO ÁGUA A presente invenção se refere a uma composição bicoida compreendendo 2,2-dibromomalonamida e um biocida baseado em isotiazolinoa, e seu uso para o controle de microorganismos em sistemas aquosos ou contendo água. BIOCIDAL COMPOSITION AND METHOD TO CONTROL THE GROWTH OF MICROORGANISMS IN A WATER OR WATER CONTAINING SYSTEM The present invention relates to a basic composition comprising 2,2-dibromomalonamide and an isothiazoline based biocide, and its use for the control of microorganisms in aqueous or water-containing systems.

Biocidal compositions and methods of use

Provided are biocidal compositions comprising 2,2-dibromo-3-nitrilopropionamide and a compound selected from the group consisting of 1-(3-chloroallyl)-3,5,7-triaza-1-azoniaadamantane; tris(hydroxymethyl)-nitromethane; and a hexahydrotriazine compound. The compositions are useful for controlling microorganisms in aqueous or water containing systems.

Methods of and formulations for reducing and inhibiting the growth of the concentration of microbes in water-based fluids and systems used with them

The present invention provides methods and formulations for reducing or inhibiting increase in the concentration of microbes in a water-based fluid. The methods and formulations of the present invention use an oxazolidine compound and a hydroxymethyl-substituted phosphorus compound selected from the group consisting of tetrakis(hydroxymethyl)phosphonium salts, C 1 -C 3 alkyl- and alkenyltris(hydroxymethyl)phosphonium salts and tris(hydroxymethyl)phosphine. The methods and formulations of the present invention can be useful in treating water contaminated with aerobic or anaerobic bacteria in oilfield and other industrial applications.

Compositions of dibromomalonamide and their use as biocides

A biocidal composition comprising 2,2-dibromomalonamide and an isothiazolinone-based biocide, and its use for the control of microorganisms in aqueous and water-containing systems.

Glutaraldehyde based biocidal compositions and methods of use

Provided are biocidal compositions comprising glutaraldehyde and a compound selected from the group consisting of l-(3-chloroallyl)-3,5,7-triaza-l- azoniaadamantane; tris(hydroxymethyl)-nitromethane; and a hexahydrotriazine compound. The compositions are useful for controlling microorganisms in aqueous or water-containing systems.

Methods of and formulations for reducing and inhibiting the growth of the concentration of microbes in water-based fluids and systems used with them

The present invention provides methods and formulations for reducing or inhibiting increase in the concentration of microbes in a water-based fluid. The methods and formulations of the present invention use an oxazolidine compound and a hydroxymethyl-substituted phosphorus compound selected from the group consisting of tetrakis(hydroxymethyl)phoshponium salts, C 1 -C 3 alkyl- and alkenyltris(hydroxymethyl)phosphonium salts and tris(hydroxymethyl)phosphine. The methods and formulations of the present invention can be useful in treating water contaminated with aerobic or anaerobic bacteria in oilfield, natural gas field, and other industrial applications.

Synergistic antimicrobial composition

A synergistic antimicrobial composition having two components. The first component is a hydroxymethyl-substituted phosphorus compound. The second component is cis-1-(3-chloroallyl)-3,5,7-triaza-1-azoniaadamantane chloride.

Compositions of dibromomalonamide and their use as biocides

SYNERGIC ANTIMICROBIAL COMPOSITION

COMPOSIÇÃO ANTIMICROBIANA SINÉRGICA. Uma composição antimicrobiana sinérgica. A composição contém pelo menos dois componentes. primeiro componente é ortofenilfenol ou seus sais de metal alcalino ou de amênio. O segundo componente é: 4,4-dimetil-oxazolidina (DMOZ), tris(hidr6xi-metil)-nitrometano ou hexa-hidro-1,3,5-tris (2-hidroxi-etil)-s-triazina.

Biocidal compositions and methods of use

Compositions of dibromomalonamide and their use as biocides

A biocidal composition comprising 2,2-dibromomalonamide and a surface active biocide, and its use for the control of microorganisms in aqueous and water-containing systems.

Microbicidal composition

method to reduce or inhibit the increase in the concentration of microbes in a water-based fluid and formulation to reduce or inhibit the increase in the concentration of microbes in a water-based fluid

MÉTODO PARA REDUZIR OU INIBIR O AUMENTO DA CONCENTRAÇÃO DE MICRÓBIOS EM UM FLUIDO BASE ÁGUA E FORMULAÇÃO PARA REDUZIR OU INIBIR O AUMENTO DA CONCENTRAÇÃO DE MICRÓBIOS EM UM FLUIDO BASE ÁGUA. A presente invenção provê métodos e formulações para reduzir ou inibir o aumento na concentração de micróbios em um fluido base água. Os métodos e formulações da presente invenção usam um composto de oxazolidina e um composto de fósforo substituído com hidroximetila selecionado do grupo consistindo de sais de tetraquis (hidroximetil)fosfônio, sais de C1.-C3, alquil e alqueniltris (hidroximetil)fosfônio e tris(hidroximetil) fosfina. Os métodos e formulações da presente invenção poderão ser úteis no tratamento de águas contaminadas com bactérias aeróbicas e anaeróbicas em campos de petróleo, campos de gás natural, e outras aplicações industriais. METHOD FOR REDUCING OR INHIBITING THE INCREASE OF THE CONCENTRATION OF MICROBES IN A WATER BASED FLUID AND FORMULATION TO REDUCE OR INHIBIT THE INCREASE OF THE CONCENTRATION OF MICROBES IN A WATER BASED FLUID. The present invention provides methods and formulations to reduce or inhibit the increase in the concentration of microbes in a water-based fluid. The methods and formulations of the present invention use an oxazolidine compound and a hydroxymethyl substituted phosphorus compound selected from the group consisting of tetrakis (hydroxymethyl) phosphonium salts, C1.-C3, alkyl and alkenyltris (hydroxymethyl) phosphonium and tris ( hydroxymethyl) phosphine. The methods and formulations of the present invention may be useful in the treatment of waters contaminated with aerobic and anaerobic bacteria in oil fields, natural gas fields, and other industrial applications.

Biocidal compositions and methods of use

Provided are biocidal compositions comprising: a hydroxymethyl-substituted phosphorus compound and a polymeric biguanide. The compositions are useful for controlling microorganisms in aqueous or water-containing systems.

METHOD TO CONTROL MICROORGANISMS IN A WATER SYSTEM

método para controlar micro-organismos em um sistema aquoso são providos métodos para controlar micro-organismos em um sistema aquoso que contém agente(s) redutor(es). o método compreende o tratamento do sistema aquoso com uma quantidade eficaz de um composto da fórmula (i): onde x, r e r1 são como definidos aqui. um método para controlar micro-organismos em um sistema aquoso, o método compreendendo tratar o sistema aquoso com uma quantidade eficaz de um composto da fórmula (i):(fórmula i); onde x é halogênio, e r e r1 são, respectivamente, hidroxialquila e um radical ciano (-c-n), ou r e r1 são, respectivamente, hidrogênio e um radical amido da fórmula: (fórmula ii), onde o sistema aquoso contém um agente redutor tal como um sulfito, um bissulfito ou um sulfureto. Methods for controlling microorganisms in an aqueous system Methods are provided for controlling microorganisms in an aqueous system containing reducing agent (s). The method comprises treating the aqueous system with an effective amount of a compound of formula (I): where x, r and r 1 are as defined herein. a method for controlling microorganisms in an aqueous system, the method comprising treating the aqueous system with an effective amount of a compound of formula (i) :( formula i); where x is halogen, ere r1 are respectively hydroxyalkyl and a cyano radical (-cn), or re r1 are respectively hydrogen and a starch radical of the formula: (formula ii), wherein the aqueous system contains a reducing agent such as as a sulphite, a bisulphite or a sulphide.

Microbicidal composition

A synergistic microbicidal composition comprising a non-ionic surfactant and glutaraldehyde and a method for inhibiting the growth of microorganisms in an aqueous medium.

Synergistic microbicidal compositions comprising 2,2-dibromomalonamide and an oxidizing biocide.

Synergistic microbicidal compositions comprising 2, 2 - dibromomalonamide and an oxidizing biocide.

La solicitud describe una composición microbicida sinérgica que comprende: 2,2-dibromomalonamida y un biocida oxidante seleccionado del grupo consistente de: monocloramina, bromoclorodimetilhidantoina, ión de hipobromito o ácido hipobromoso, peróxido de hidrógeno, dicloroisocianurato, tricloroisocianurato y dióxido de cloro y un método para el control de la proliferación de microorganismos en un sistema acuoso o que contiene agua.

Biocidal compositions and methods of use

"Method for reducing or inhibiting increase in microbial concentration in a water based fluid and formulation for reducing or inhibiting increase in microbial concentration in a water based fluid"

método para reduzir ou inibir o aumento da concentração de micróbios em um fluido base água e formulação para reduzir ou inibir o aumento da concentração de micróbios em um fluido base água a presente invenção provê métodos e formulações para reduzir ou inibir o aumento na concentração de micróbios em um fluido base água. os métodos e formulações da presente invenção usam um composto de oxazolidina e um composto de fósforo substituído com hidroximetila selecionado do grupo consistindo de sais de tetraquis (hidroximetil) fosfônio, sais de c1 -c3 alquil e alqueniltris(hidroximetil)fosfônio e tris(hidroximetil) fosfina . os métodos e formulações da presente invenção poderão ser úteis no tratamento de águas contaminadas com bactérias aeróbicas e anaeróbicas em campos de petróleo, campos de gás natural, e outras aplicações industriais. Method for Reducing or Inhibiting Increasing Microbe Concentration in a Water Based Fluid and Formulation for Reducing or Inhibiting Increasing Microbe Concentration in a Water Based Fluid in a water based fluid. The methods and formulations of the present invention use an oxazolidine compound and a hydroxymethyl substituted phosphorus compound selected from the group consisting of tetrakis (hydroxymethyl) phosphonium salts, C1 -C3 alkyl and alkenyltris (hydroxymethyl) phosphonium salts and tris (hydroxymethyl) salts. phosphine. The methods and formulations of the present invention may be useful in treating water contaminated with aerobic and anaerobic bacteria in oil fields, natural gas fields, and other industrial applications.

SYNERGIC MICROBICIDAL COMPOSITION AND METHOD FOR CONTROLLING THE PROLIFERATION OF MICROORGANISMS IN AN AQUEOUS MEDIUM

Trata-se de uma composição microbicida sinérgica que compreende um tensoativo não iônico e um glutaraldeído e um método para inibir a proliferação de micro-organismos em um meio aquoso. This is a synergistic microbicidal composition comprising a nonionic surfactant and a glutaraldehyde and a method for inhibiting the proliferation of microorganisms in an aqueous medium.