POLYMER MATERIALS WITH REDUCED TACKNESS, MANUFACTURING PROCESS FOR IT AND SUCH MATERIALS ABSTENTION CHEWING RUBBER COMPOSITIONS

Polymeric materials having reduced tack, methods of making the materials and chewing gum compositions containing such materials

A polymeric material having low tack which has a straight or branched chain carbon-carbon polymer backbone and a multiplicity of side chains attached to the backbone wherein the side chains, which are attached directly to carbon atoms of the polymer backbone, have the formula wherein R1 is H, —C(O)OR4 or —C(O)Q and R2 is —C(O)OR4 or —C(O)Q provided that at least one of R1 and R2 is the group —C(O)Q; R3 is H or —CH3; R4 is H or an alkyl group having from 1 to 6 carbon atoms; Q is a group having the formula —O—(YO)b—(ZO)c—R5′ wherein each of Y and Z is, independently, an alkylene group having from 2 to 4 carbon atoms and R5 is H or an alkyl group having from 1 to 4 carbon atoms; a is 3 or 4 and each of b and c is, independently, 0 or an integer of from 1 to 125 provided that the sum b+c has a value in the range of from 10 to 250, preferably from 10 to 120. The polymeric material may be used to replace at least part of a water-insoluble gum base in a chewing gum composition to give a composition exhibiting reduced adhesion to surfaces.

Particles with hydroxyl vinylic copolymer coating sensitive to ionic strength

The present invention relates to a novel composite comprising one or more core units having an ionic strength-responsive hydroxyl-functional vinylic co-polymeric coating, to a process for the preparation of such a composite, to formulations comprising the same and their use in a variety of industrial applications.

AMPHIPHILIC COPOLYMERIC MATERIAL

An amphiphilic polymeric material which has a straight or branched chain polymer backbone and a multiplicity of side chains attached to the backbone, wherein the backbone is a copolymer of at least one ethylenically-unsaturated aliphatic hydrocarbon monomer and maleic anhydride, or is a terpolymer of maleic anhydride, ethylene, and a further ethylenically unsaturated monomer. A method of synthesising said polymeric material is also provided, together with chewing gum bases, compositions and emulsions comprising amphiphilic polymeric materials.

AMPHIPHILIC COPOLYMERIC MATERIAL

An amphiphilic polymeric material which has a straight or branched chain polymer backbone and a multiplicity of side chains attached to the backbone, wherein the backbone is a copolymer of at least one ethylenically-unsaturated aliphatic hydrocarbon monomer and maleic anhydride, or is a terpolymer of maleic anhydride, ethylene, and a further ethylenically unsaturated monomer. A method of synthesising said polymeric material is also provided, together with chewing gum bases, compositions and emulsions comprising amphiphilic polymeric materials.

NOVEL COMPOSITE

The present invention relates to a novel composite comprising one or more core units, each core unit comprising a specified active agent and having pH responsive, vinylic copolymer coating, to a process for the preparation of such a composite, to formulations comprising the same and their use in a variety of industrial applications.

Composite

A first aspect of the invention relates to a composite comprising: (i) one or more core units comprising a bleach activating agent; and (ii) an alkali soluble polymer coating on the surface of said one or more core units. Further aspects of the invention relate to a process for preparing said composite, laundry products comprising the composite and methods for the preparation thereof.

COMPOSITE

A first aspect of the invention relates to a composite comprising: (i) one or more core units comprising a bleach activating agent; and (ii) an alkali soluble polymer coating on the surface of said one or more core units. Further aspects of the invention relate to a process for preparing said composite, laundry products comprising the composite and methods for the preparation thereof.

WAX BLEND POLYMER ENCAPSULATES

The present invention relates to composite comprising: (i) one or more core units comprising at least one benefit agent; and (ii) a coating on said one or more core units, wherein said coating comprises a blend comprising: (A) at least one wax or wax-like substance; and (B) at least one amphiphilic polymer. Further aspects of the invention relate to a process for preparing such composites, and their use in consumer products.

POLYMERIC MATERIALS HAVING REDUCED TACK, METHODS OF MAKING THE MATERIALS AND CHEWING GUM COMPOSITIONS CONTAINING SUCH MATERIALS

POLYMERMATERIALIEN MIT VERRINGERTER KLEBRIGKEIT, HERSTELLUNGSVERFAHREN DAFÜR UND DERARTIGE MATERIALIEN ENTHALTENDE KAUGUMMIZUSAMMENSETZUNGEN

PARTICLES WITH HYDROXYL VINYLIC COPOLYMER COATING SENSITIVE TO IONIC STRENGTH

Abstract The present invention relates to a novel composite comprising one or more core units having an ionic strength-responsive hydroxyl-functional vinylic co-polymeric coating, to a process for the preparation of such a composite, to formulations comprising the same and their use in a variety of industrial applications.

SOLVENT-FREE SYNTHESIS OF AMPHIPHILIC POLYMERIC MATERIAL

The present invention provides a method for making a composition comprising an amphiphilic polymeric material which comprises a straight or branched chain carbon-carbon backbone and a multiplicity of side chains attached to the backbone; wherein in the method, backbone precursors comprising acylating groups are mixed with side chain precursors which comprise a nucleophilic group at at least one terminus, to form a reaction mixture; the backbone precursors, side chain precursors and/or the reaction mixture are heated; the reaction mixture is stirred; and the nucleophilic groups react with the acylating groups to form the amphiphilic polymeric materi al wherein the side chains are linked to the backbone via acyl linkages; characterised in that the reaction mixture does not comprise organic solvent.

Polymeric materials having reduced tack, methods of making the materials and chewing gum compositions containing such materials

A polymeric material having low tack which has a straight or branched chain carbon-carbon polymer backbone and a multiplicity of side chains attached to the backbone wherein the side chains, which are attached directly to carbon atoms of the polymer backbone, have the formula wherein R1 is H, C(O)OR4 or C(O)Q and R2 is C(O)OR4 or C(O)Q provided that at least one of R1 and R2 is the group C(O)Q; R3 is H or CH3; R4 is H or an alkyl group having from 1 to 6 carbon atoms; Q is a group having the formula O(YO)b(ZO)cR5 wherein each of Y and Z is, independently, an alkylene group having from 2 to 4 carbon atoms and R5 is H or an alkyl group having from 1 to 4 carbon atoms; a is 3 or 4 and each of b and c is, independently, 0 or an integer of from 1 to 125 provided that the sum b+c has a value in the range of from 10 to 250, preferably from 10 to 120. The polymeric material may be used to replace at least part of a water-insoluble gum base in a chewing gum composition to give a composition exhibiting ...

Wax blend polymer encapsulates

The present invention relates to composite comprising: (i) one or more core units comprising at least one benefit agent; and (ii) a coating on said one or more core units, wherein said coating comprises a blend comprising: (A) at least one wax or wax-like substance; and (B) at least one amphiphilic polymer. Further aspects of the invention relate to a process for preparing such composites, and their use in consumer products.

Polymeric materials having reduced tack, methods of making the materials and chewing gum compositions containing such materials

PARTICLES WITH HYDROXYL VINYLIC COPOLYMER COATING SENSITIVE TO IONIC STRENGTH

The present invention relates to a novel composite comprising one or more core units having an ionic strength-responsive hydroxyl-functional vinylic co-polymeric coating, to a process for the preparation of such a composite, to formulations comprising the same and their use in a variety of industrial applications.

SOLVENT-FREE SYNTHESIS OF AMPHIPHILIC POLYMERIC MATERIAL

The present invention provides a method for making a composition comprising an amphiphilic polymeric material which comprises a straight or branched chain carbon-carbon backbone and a multiplicity of side chains attached to the backbone; wherein in the method, backbone precursors comprising acylating groups are mixed with side chain precursors which comprise a nucleophilic group at at least one terminus, to form a reaction mixture; the backbone precursors, side chain precursors and/or the reaction mixture are heated; the reaction mixture is stirred; and the nucleophilic groups react with the acylating groups to form the amphiphilic polymeric materi al wherein the side chains are linked to the backbone via acyl linkages; characterised in that the reaction mixture does not comprise organic solvent.

MEDICATED CHEWING GUM

The present invention provides a chewing gum composition comprising a che wing gum base, a biologically active ingredient, a polymeric material and on e or more sweetening and flavouring agents, wherein the polymeric material i s amphiphilic, has a straight or branched chain carbon-carbon backbone and a multiplicity of side chains attached to the backbone. A method of making th e chewing gum composition is also provided.

SOLVENT-FREE SYNTHESIS OF AMPHIPHILIC POLYMERIC MATERIAL

The present invention provides a method for making a composition comprising an amphiphilic polymeric material which comprises a straight or branched chain carbon-carbon backbone and a multiplicity of side chains attached to the backbone; wherein in the method, backbone precursors comprising acylating groups are mixed with side chain precursors which comprise a nucleophilic group at at least one terminus, to form a reaction mixture; the backbone precursors, side chain precursors and/or the reaction mixture are heated; the reaction mixture is stirred; and the nucleophilic groups react with the acylating groups to form the amphilphilic polymeric material wherein the side chains are linked to the backbone via acyl linkages; characterised in that the reaction mixture does not comprise organic solvent.

Medicated chewing gum

The present invention provides a chewing gum composition comprising a chewing gum base, a biologically active ingredient, a polymeric material and one or more sweetening and flavouring agents, wherein the polymeric material is amphiphilic, has a straight or branched chain carbon-carbon backbone and a multiplicity of side chains attached to the backbone. A method of making the chewing gum composition is also provided.

Medicated chewing gum

Novel composite

The present invention relates to a novel composite comprising one or more core units, each core unit comprising a specified active agent and having pH responsive, vinylic copolymer coating, to a process for the preparation of such a composite, to formulations comprising the same and their use in a variety of industrial applications.

Composite

A first aspect of the invention relates to a composite comprising: (i) one or more core units comprising a bleach activating agent; and (ii) an alkali soluble polymer coating on the surface of said one or more core units. Further aspects of the invention relate to a process for preparing said composite, laundry products comprising the composite and methods for the preparation thereof.

Polymeric materials having reduced tack, methods of making the materials and chewing gum compositions containing such materials

A polymeric material having low tack has a straight or branched chain carbon-carbon polymer backbone and a multiplicity of side chains attached to the backbone wherein the side chains, which are attached directly to carbon atoms of the polymer backbone, have the formula (I) or have the formula (II) wherein R is H, -C(O)OR<4 >or -C(O)Q and R<2 >is -C(O)OR<4 >or -C(O)Q provided that at least one of R<1 >and R<2 >is the group -C(O)Q; R<3 >is H or -CH3; R<4 >is H or an alkyl group having from 1 to 6 carbon atoms; Q is a group having the formula -O-(YO)b-(ZO)c-R<5>, wherein each of Y and Z is, independently, an alkylene group having from 2 to 4 carbon atoms and R<5 >is H or an alkyl group having from 1 to 4 carbon atoms; a is 3 or 4 and each of b and c is, independently, 0 or an integer of from 1 to 125 provided that the sum b+c has a value in the range of from 10 to 250, preferably from 10 to 120. The polymeric material may be used to replace at least part of a water-insoluble gum base in a ...

NOVEL COMPOSITE

The present invention relates to a novel composite including one or more core units having an ionic strength-responsive hydroxyl-functional vinylic co-polymeric coating, to a process for the preparation of such a composite, to formulations including the same and their use in a variety of industrial applications. 1. A composite comprising one or more core units having an ionic strength-responsive hydroxyl-functional vinylic co-polymeric coating.2. A composite according to claim 1 , wherein the core units are solid.3. A composite according to claim 1 , wherein the core units comprise single discrete particles claim 1 , agglomerated particles claim 1 , matrix particles and/or spheronised compositions.4. A composite according to claim 1 , wherein the ionic strength-responsive hydroxyl-functional vinylic co-polymeric coating is insoluble at high ionic strengths yet soluble at low ionic strengths.5. A composite according to claim 4 , wherein the ionic strength-responsive hydroxyl-functional vinylic co-polymeric coating is insoluble under conditions of low water activity yet soluble under conditions of high water activity.6. A composite according to claim 5 , wherein the ionic strength-responsive hydroxyl-functional vinylic co-polymer has an empirical structural formula (4):{'br': None, 'i': A]', '[B]', '[C], 'sub': m', 'n', 'p, '—[—\u2003\u2003(4)'}wherein,[A] is an optional component and represents moieties which are essentially hydrophobic;[B] is an optional component and represents moieties which are essentially polar and that have strong interaction with water;[C] is an essential component which contains one or more hydroxyl functionalities; and m, n and p represent the percentage molar fraction of components [A], [B] and [C] respectively, such that m+n+p=100%.10. A composite according to claim 6 , wherein the ionic strength-responsive hydroxyl-functional vinylic co-polymer is selected from partially hydrolysed polyvinyl acetate claim 6 , fully hydrolysed polyvinyl ...

NOVEL COMPOSITE

A novel composite including one or more core units, each core unit including a specified active agent and having pH responsive, vinylic copolymer coating, to a process for the preparation of such a composite, to formulations including the same and their use in a variety of industrial applications.

Amphiphilic copolymeric material

PORTABLE NMR PROBE AND NMR APPARATUS

A portable NMR probe for the analysis of dispersions, the portable NMR probe comprising: a base part; a detachable probe assembly detachably mounted on the base part and electrically connected to the base part, the detachable probe assembly comprising: a housing; and a radio-frequency coil assembly received in the housing, the radio-frequency coil assembly comprising an RF coil support that has a channel for receiving an NMR sample, and an RF coil wound around the RF coil support for transmitting radio-frequency pulses to the NMR sample and for detecting magnetic resonance responses from the NMR sample; and a field magnet arranged to generate a magnetic field in the detachable probe assembly. 1. A portable NMR probe for the analysis of dispersions , the portable NMR probe comprising:a base part; a housing; and', 'a radio-frequency coil assembly received in the housing, the radio-frequency coil assembly comprising an RF coil support that has a channel for receiving an NMR sample, and an RF coil wound around the RF coil support for transmitting radio-frequency pulses to the NMR sample and for detecting magnetic resonance responses from the NMR sample; and, 'a detachable probe assembly detachably mounted on the base part and electrically connected to the base part, the detachable probe assembly comprisinga field magnet arranged to generate a magnetic field in the detachable probe assembly.2. The portable NMR probe according to claim 1 , wherein the detachable probe assembly is detachably mounted on the base part by one or more detachable connectors.3. The portable NMR probe according to claim 1 , wherein the detachable probe assembly is detachably mounted on the base part by one or more mated male and female connectors.4. The portable NMR probe according to claim 1 , wherein:the detachable probe assembly has two protruding connectors on a surface thereof;the base part has two corresponding recessed connectors on a surface thereof; andthe two protruding connectors of ...

Polymeric materials having reduced tack, methods of making the materials and chewing gum compositions containing such materials

A polymeric material having low tack which has a straight or branched chain carbon-carbon polymer backbone and a multiplicity of side chains attached to the backbone wherein the side chains, which are attached directly to carbon atoms of the polymer backbone, have the formula (I) or have the formula (II) wherein R is H, -C(O)OR<4> or -C(O)Q and R<2> is -C(O)OR<4 >or -C(O)Q provided that at least one of R<1> and R<2> is the group -C(O)Q; R<3> is H or -CH3; R<4 >is H or an alkyl group having from 1 to 6 carbon atoms; Q is a group having the formula -O-(YO)b-(ZO)c-R<5>, wherein each of Y and Z is, independently, an alkylene group having from 2 to 4 carbon atoms and R<5> is H or an alkyl group having from 1 to 4 carbon atoms; a is 3 or 4 and each of b and c is, independently, 0 or an integer of from 1 to 125 provided that the sum b+c has a value in the range of from 10 to 250, preferably from 10 to 120. The polymeric material may be used to replace at least part of a water-insoluble gum base ...

COMPOSITE

A composite includes: one or more core units comprising a bleach activating agent; and an alkali soluble polymer coating on the surface of said one or more core units. 1. A composite comprising:one or more core units comprising a bleach activating agent; andan alkali soluble polymer coating on the surface of said one or more core units.2. A composite according to wherein the alkali soluble polymer is insoluble at pH values below its pKa value claim 1 , and soluble at pH values at or above its pKa value.3. A composite according to wherein the bleach activating agent comprises a precursor containing one or more N-acyl or O-acyl groups claim 1 ,4. A composite according to wherein the bleach activating agent is selected from phenyl acetate claim 3 , trichloroethyl acetate claim 3 , mannitol hexaacetate claim 3 , fructose pentaacetate claim 3 , benzaldehyde diacetate claim 3 , sodium p-acetoxybenzene sulphonate claim 3 , diacetylethylamine claim 3 , diacetamide claim 3 , N-formyldiacetamide and [Nu] claim 3 ,[Nu]-diacetylaniline claim 3 , N claim 3 ,N-diacetylethylurethane claim 3 , triacetylhydrazine claim 3 , N<1> claim 3 ,N<1> claim 3 ,N<2>-triacetylmethylenediamine claim 3 , N<1> claim 3 ,N<1> claim 3 ,N<2> claim 3 ,N<2>-tetraacetylethylenediamine (TAED) claim 3 , N<1> claim 3 ,N<1> claim 3 ,N<2> claim 3 ,N<2>-tetraacetylmethylenediamine claim 3 , N-diacyl derivatives of -semicarbazide claim 3 , -thiosemicarbazide and -dicyanodiamide claim 3 , 1 claim 3 ,3 claim 3 ,4 claim 3 ,6-tetraacetyl glycol-uril claim 3 , 1 claim 3 ,3 claim 3 ,4 claim 3 ,6-tetrapropionyl glycol-uril claim 3 , sodium 2-acetoxy-5-hexyl-benzene sulphonate claim 3 , sodium 3 claim 3 ,5 claim 3 ,5-trimethyl hexanoyloxybenzene sulphonate claim 3 , sodium 2-ethyl hexanoyloxybenzene sulphonate claim 3 , sodium nonanoyloxybenzene sulphonate (SNOBS) claim 3 , ethylene glycol diacetate claim 3 , 2 claim 3 ,4-diacetoxy-2 claim 3 ,5-dihydrofuran claim 3 , acetylated sorbitol claim 3 , acetylated mannitol ...

Amphiphilic copolymeric material

An amphiphilic polymeric material which has a straight or branched chain polymer backbone and a multiplicity of side chains attached to the backbone, wherein the backbone is a copolymer of at least one ethylenically-unsaturated aliphatic hydrocarbon monomer and maleic anhydride, or is a terpolymer of maleic anhydride, ethylene, and a further ethylenically unsaturated monomer. A method of synthesising said polymeric material is also provided, together with chewing gum bases, compositions and emulsions comprising amphiphilic polymeric materials.

CHEWING GUM COMPOSITION

Chewing gum base including i. 1 to 99% by weight of a polymeric material which has a straight or branched chain carbon-carbon backbone and a multiplicity of side chains, and is substantially insoluble in water; ii. from 0-6% by weight wax; iii. up to 99% by weight of an elastomeric material different to the polymeric material; and iv. 0 to 20% by weight of an elastomer plasticiser; in which the total amount of polymeric material and elastomeric material is at least 10% by weight of the chewing gum base. A chewing gum composition including this chewing gum base, and methods of manufacture, are also provided.

Amphiphilic copolymeric material

An amphiphilic polymeric material which has a straight or branched chain polymer backbone and a multiplicity of side chains attached to the backbone, wherein the backbone is a copolymer of at least one ethylenically-unsaturated aliphatic hydrocarbon monomer and maleic anhydride, or is a terpolymer of maleic anhydride, ethylene, and a further ethylenically unsaturated monomer. A method of synthesizing said polymeric material is also provided, together with chewing gum bases, compositions and emulsions comprising amphiphilic polymeric materials.

Polymeric materials having reduced tack, methods of making the materials and chewing gum compositions containing such materials

A polymeric material having low tack which has a straight or branched chain carbon-carbon polymer backbone and a multiplicity of side chains attached to the backbone wherein the side chains, which are attached directly to carbon atoms of the polymer backbone, have the formula (I) or have the formula (II) wherein R is H, -C(O)OR<4> or -C(O)Q and R<2> is -C(O)OR<4 >or -C(O)Q provided that at least one of R<1> and R<2> is the group -C(O)Q; R<3> is H or -CH3; R<4 >is H or an alkyl group having from 1 to 6 carbon atoms; Q is a group having the formula -O-(YO)b-(ZO)c-R<5>, wherein each of Y and Z is, independently, an alkylene group having from 2 to 4 carbon atoms and R<5> is H or an alkyl group having from 1 to 4 carbon atoms; a is 3 or 4 and each of b and c is, independently, 0 or an integer of from 1 to 125 provided that the sum b+c has a value in the range of from 10 to 250, preferably from 10 to 120. The polymeric material may be used to replace at least part of a water-insoluble gum base ...

AMPHIPHILIC COPOLYMERIC MATERIAL

An amphiphilic polymeric material which has a straight or branched chain polymer backbone and a multiplicity of side chains attached to the backbone, wherein the backbone is a copolymer of at least one ethylenically-unsaturated aliphatic hydrocarbon monomer and maleic anhydride, or is a terpolymer of maleic anhydride, ethylene, and a further ethylenically unsaturated monomer. A method of synthesising said polymeric material is also provided, together with chewing gum bases, compositions and emulsions comprising amphiphilic polymeric materials.

Polymeric Materials Having Reduced Tack, Methods of Making the Materials and Chewing Gum Compositions Containing Such Materials

A polymeric material having low tack which has a straight or branched chain carbon-carbon polymer backbone and a multiplicity of side chains attached to the backbone wherein the side chains, which are attached directly to carbon atoms of the polymer backbone, have the formula (I) or have the formula (II) wherein R is H, -C(O)OR⁴ or -C(O)Q and R² is -C(O)OR⁴ or -C(O)Q provided that at least one of R¹ and R² is the group -C(O)Q; R³ is H or -CH₃; R⁴ is H or an alkyl group having from 1 to 6 carbon atoms; Q is a group having the formula -O-(YO)_b-(ZO)_c-R⁵, wherein each of Y and Z is, independently, an alkylene group having from 2 to 4 carbon atoms and R⁵ is H or an alkyl group having from 1 to 4 carbon atoms; a is 3 or 4 and each of b and c is, independently, 0 or an integer of from 1 to 125 provided that the sum b+c has a value in the range of from 10 to 250, preferably ...

MEDICATED CHEWING GUM

The present invention provides a chewing gum composition comprising a chewing gum base, a biologically active ingredient, a polymeric material and one or more sweetening and flavouring agents, wherein the polymeric material is amphiphilic, has a straight or branched chain carbon-carbon backbone and a multiplicity of side chains attached to the backbone. A method of making the chewing gum composition is also provided.

Polymeric materials having reduced tack, methods of making the materials and chewing gum compositions containing such materials

WAX BLEND POLYMER ENCAPSULATES

A composite including: one or more core units including at least one benefit agent; and a coating on the one or more core units, wherein the coating includes a blend including: at least one wax or wax-like substance; and at least one amphiphilic polymer. Further aspects relate to a process for preparing such composites, and their use in consumer products. 1. A composite comprising:(i) one or more core units comprising at least one benefit agent; and (A) at least one wax or wax-like substance; and', '(B) at least one amphiphilic polymer., '(ii) a coating on said one or more core units, wherein said coating comprises a blend comprising2. A composite according to wherein the coating further comprises one or more additional ingredients selected from a plasticiser claim 1 , an exotherm control agent claim 1 , a cosolvent claim 1 , a wetting agent claim 1 , a compatabiliser claim 1 , a filler claim 1 , a dispersant claim 1 , an inorganic material and an emulsifier.3. A composite according to wherein the wax is a natural wax selected from beeswax claim 1 , candelilla wax claim 1 , carnauba wax claim 1 , a paraffin wax claim 1 , ozokerite wax claim 1 , ceresine wax claim 1 , montan wax claim 1 , terpenes claim 1 , camphor and mixtures thereof.4. A composite according to wherein the wax is a synthetic claim 1 , linear or branched wax selected from a petroleum-derived microcrystalline wax claim 1 , a polyolefin wax and a polyethylene-derived wax claim 1 , and mixtures thereof.5. A composite according to wherein the exotherm control agent is a homopolymer or copolymer of vinyl alcohol.6. A composite according to wherein the exotherm control agent is a modified polyvinyl alcohol.7. A composite according to wherein the exotherm control agent is a copolymer of vinyl alcohol and an olefin.8. A composite according to wherein the exotherm control agent is a copolymer of vinyl alcohol and an acrylic or methacrylic monomer.9. A composite according to wherein the exotherm control agent ...

Polymeric materials having reduced tack, methods of making the materials and chewing gum compositions containing such materials

A polymeric material having low tack which has a straight or branched chain carbon-carbon polymer backbone and a multiplicity of side chains attached to the backbone wherein the side chains, which are attached directly to carbon atoms of the polymer backbone, have the formula (I) or have the formula (II) wherein R1 is H, -C(O)OR4 or -C(O)Q and R2 is -C(O)OR4 or -C(O)Q provided that at least one of R1 and R2 is the group -C(O)Q; R3 is H or -CH3 ; R4 is H or an alkyl group having from 1 to 6 carbon atoms; Q is a group having the formula -O-(YO)b-(ZO)c-R5, wherein each of Y and Z is, independently, an alkylene group having from 2 to 4 carbon atoms and R5 is H or an alkyl group having from 1 to 4 carbon atoms; a is 3 or 4 and each of b and c is, independently, 0 or an integer of from 1 to 125 provided that the sum b + c has a value in the range of from 10 to 250, preferably from 10 to 120. The polymeric material may be used to replace at least part of a water-~insoluble gum base in a chewing gum composition to give a composition exhibiting reduced adhesion to surfaces.

Chewing gum containing an amphiphilic polymer which controls the release of a drug or other biologically active material

Disclosed is a chewing gum composition comprising a chewing gum base; a pharmaceutically active ingredient or vitamin, mineral or other nutritional supplement; a polymeric material; and one or more sweetening or flavouring agents; wherein the polymeric material is amphiphilic, has a straight or branched chain carbon-carbon backbone and a multiplicity of side chains attached to the backbone. A method of forming said chewing gum composition is also disclosed, wherein the method comprises the steps of: (i) forming a chewing gum base by mixing an elastomeric material optionally with one or more elastomer plasticisers, softeners, fillers, emulsifiers and waxes; and (ii) adding a pharmaceutically active ingredient, vitamin, mineral or other nutritional supplement to the gum base together with one or more sweetening or flavouring agents, to form a chewing gum composition; wherein a polymeric material which is amphiphilic and has a straight or branched chain carbon-carbon backbone and a multiplicity of side chains attached to the backbone, is added to the chewing gum base in step (i), and/or to the chewing gum composition in step (ii).

Composite

A first aspect of the invention relates to a composite comprising: (i) one or more core units comprising a bleach activating agent; and (ii) an alkali soluble polymer coating on the surface of said one or more core units. Further aspects of the invention relate to a process for preparing said composite, laundry products comprising the composite and methods for the preparation thereof.

Polymermaterialien mit verringerter klebrigkeit, herstellungsverfahren dafür und derartige materialien enthaltende kaugummizusammensetzungen

compósito

abstract the present invention relates to a novel composite comprising one or more core units, each core unit comprising a specified active agent and having ph responsive, vinylic copolymer coating, to a process for the preparation of such a composite, to formulations comprising the same and their use in a variety of industrial applications. tradução resumo patente de invenção: "compósito". a presente invenção refere-se a um novo compósito que com-preende uma ou mais unidades de núcleo, cada unidade de núcleo compre-endendo um agente ativo específico e tendo um revestimento de copolímero vinílico responsivo ao ph, a um processo para a preparação de um tal com-pósito, às formulações compreendendo-o e seu uso em uma variedade de aplicações industriais.

Renewing bathtub lining

Novel composite

The present invention relates to a novel composite comprising one or more core units, each core unit comprising a specified active agent and having pH responsive, vinylic copolymer coating, to a process for the preparation of such a composite, to formulations comprising the same and their use in a variety of industrial applications.

Composite

A first aspect of the invention relates to a composite comprising: (i) one or more core units comprising a bleach activating agent; and (ii) an alkali soluble polymer coating on the surface of said one or more core units. Further aspects of the invention relate to a process for preparing said composite, laundry products comprising the composite and methods for the preparation thereof.