Radical polymerisation activator for the production of coloured non-toxic organic cements

RADICAL POLYMERISATION ACTIVATOR FOR THE PRODUCTION OF COLOURED NON-TOXIC ORGANIC CEMENTS

HEAT-SENSITIVE POLYMERS AND HEAT REVERSIBLE GELS DERIVED THEREFROM

Mineral fibre sizing composition containing a carboxylic polyacid and a polyamine, preparation method thereof and resulting products

Mineral fibre sizing composition containing a carboxylic polyacid and a polyamine, preparation method thereof and resulting products

Photochromic intraocular lens

The invention relates to an intraocular lens comprising at least one pharmaceutically-acceptable photochromic polymer that enables all or part of the intraocular lens to change colour reversibly when exposed to light.

COMPOSITE PRODUCT

A composite product, especially an implant, includes at least one base element or matrix of a first polymer material coated with a coating of a second polymer material or of a second material based on reactive prepolymers. There is at least one base element or matrix coated with the coating which exhibits openings passing through it from one side to the other. The softening temperature of the second polymer material or the reaction/crosslinking temperature of the second material based on reactive prepolymers being lower than the softening temperature of the first polymer material. 1. A composite product , especially an implant , comprising at least one base element or matrix of a first polymer material coated with a coating of a second polymer material , characterised in that the at least one base element or matrix coated with the coating exhibits openings passing through it from one side to the other; and the softening temperature of the second polymer material being lower than the softening temperature of the first polymer material.2. A composite product , especially an implant , comprising at least one base element or matrix of a first polymer material coated with a coating of a second material based on reactive prepolymers , characterised in that the at least one base element or matrix coated with the coating exhibits openings passing through it from one side to the other; and the reaction/crosslinking temperature of the second material based on reactive prepolymers being lower than the softening temperature of the first polymer material.3. The composite product according to claim 1 , characterised in that the matrix is constituted in the form of a mesh.4. The composite product according to claim 1 , characterised in that the matrix is constituted by a perforated woven sheet.5. The composite product according to claim 1 , characterised in that the matrix is constituted by a perforated nonwoven sheet.6. The composite product according to claim 1 , characterised ...

METASTABLE POLYMER COMPOSITIONS FOR OPHTHALMIC IMPLANT INJECTION DEVICES

The invention relates to metastable polymer compositions, use thereof for manufacturing medical devices or medical device components having a slippery surface as well as the devices with slippery surfaces resulting from these metastable polymer compositions, in particular in the field of ophthalmic injectors.

Aqueous viscoelastic solution and use thereof in an injection device

The invention relates to an aqueous viscoelastic solution comprising: at least one polymer selected from among hyaluronic acid and the salts thereof, and cellulosic derivatives and the salts thereof, in particular hydroxypropyl methylcellulose and the salts thereof; and at least one water-soluble polymer of the polyether-polyurethane or polyether-polyester-urethane type, and to the use thereof in a device intended for the injection of an intraocular implant.

NEW POLYURETHANE GELLING AGENT

The invention relates to new oil gelling polyurethanes useful for preparing clear gels in organic media (oils, solvents) and to a process for their preparation. The invention also relates to the gels formed from these gelling polyurethanes and to compositions containing them, in particular cosmetic compositions. 3. The polyurethane compound of formula (I) according to claim 1 , wherein{'sub': '1', 'Arepresents a linear or branched alkyl radical comprising 2 to 6 carbon atoms;'}{'sub': '2', 'Arepresents a linear or branched alkyl radical, comprising 12 to 18 carbon atoms, said radical optionally comprising one or more unsaturations;'}l and m represent, independently of one another, an integer from 1 to 10, the sum of l+m being from 5 to 12;n is an integer from 2 to 8;D represents a linear or branched alkyl radical, comprising 6 to 14 carbon atoms, said radical optionally comprising one or more unsaturations;X is a linear or branched alkyl radical, having or not having unsaturations, comprising 2 to 10 carbon atoms; andY represents an oxygen atom.4. The polyurethane compound of formula (I) according to wherein Arepresents a linear alkyl radical comprising 3 carbon atoms.6. The polyurethane compound of formula (I) according to having a content of natural origin greater than 80% according to standard NF-16128-2.9. The process of wherein Arepresents a linear alkyl radical comprising 3 carbon atoms.11. The process according to in which wherein the step of functionalization of the di-OH estolide by a diisocyanate derivative is carried out by rapid addition of a quantity of diisocyanate (4) comprised between 1.4 and 2.0 equivalents with respect to 1 equivalent (eq) of di-OH estolide (3) claim 7 , calculated according to its OH index claim 7 , at a temperature comprised between 60° C. and 150° C.12. The process according to wherein the step of functionalization of the di-OH estolide by a diisocyanate derivative is carried out by adding 1 equivalent (eq) of di-OH estolide (3) ...

HYDROPHOBICALLY MODIFIED UREA ETHERS AS STRUCTURANTS FOR HYDROPHOBIC SYSTEMS

Consumer product compositions comprising hydrophobically modified urea ethers. 4. The consumer product composition according to claim 1 , wherein in the hydrophobically modified urea ether claim 1 , R claim 1 , Rand Rare the same.5. The consumer product composition according to claim 1 , wherein in the hydrophobically modified urea ether claim 1 , the polyether chain is partially substituted.6. The consumer product composition according to claim 1 , wherein said hydrophobically modified urea ether has a molecular weight from about 1100 to about 3500 Da.7. The consumer product composition according to claim 1 , wherein the hydrophobic material is a perfume raw material claim 1 , an emollient claim 1 , a solvent claim 1 , anti-bacterial claim 1 , sensate or mixtures thereof.8. The consumer product composition according to claim 7 , wherein the hydrophobic material is a perfume composition comprising perfume raw materials claim 7 , solvents and mixtures thereof.9. The consumer product composition according to claim 1 , wherein said composition is at least partially encapsulated.10. The consumer product composition according to claim 9 , wherein said encapsulate is selected from core-shell encapsulate claim 9 , matrix encapsulate and mixtures thereof.11. The consumer product composition according to claim 10 , wherein said encapsulate is a core-shell encapsulate claim 10 , wherein the shell material of said core-shell encapsulate comprises melamine-formaldehyde claim 10 , an acrylate derived polymer and/or multifunctional acrylates claim 10 , polyamide claim 10 , polyurea claim 10 , polyurethane claim 10 , polycarbonates claim 10 , polyvinyl alcohol claim 10 , acetals claim 10 , starch claim 10 , cellulose acetate phthalate or mixtures thereof.12. The consumer product of claim 11 , said consumer product being selected from;{'claim-ref': {'@idref': 'CLM-00007', 'claim 7'}, 'a. a laundry detergent, said laundry detergent comprising a total of, based on total consumer ...

POLYMER CEMENTS USED FOR FIXING PROSTHESES, FOR BONE REPAIR AND FOR VERTEBROPLASTY, AND OBTAINED FROM LIQUID SINGLE-PHASE FORMULATIONS

The invention relates to a process for preparing cements used for reparative or reconstructive bone surgery, in particular for fixing prostheses, for bone repair and for vertebroplasty, and obtained from liquid single-phase formulations. It also relates to the cements prepared from these single-phase formulations and to a device for injecting them. 1. Method for preparing polymer cements for reparative surgery or for bone reconstruction , comprising bringing a liquid single-phase formulation , said formulation comprising a liquid phase containing at least one polymer or copolymer in solution or in suspension in at least one monomer , and at least one activator of polymerization , into contact with an initiator of radical polymerization deposited in the form of a thin layer or film on a support.2. Method according to claim 1 , characterized in that bringing said liquid single-phase formulation into contact with an initiator of radical polymerization deposited in the form of a thin layer or film on a support allows dissolution of said thin layer or film containing the initiator claim 1 , bringing into contact the initiator and activator of radical polymerization and initiation of polymerization of the monomer or monomers.3. Method according to claim 1 , characterized in that bringing said liquid single-phase formulation into contact with at least one initiator of radical polymerization is carried out by the passage of said liquid single-phase formulation over an element comprising a support claim 1 , on which a thin layer or film containing an initiator of radical polymerization is deposited.4. Method according to claim 1 , characterized in that bringing said liquid single-phase formulation into contact with at least one initiator of radical polymerization takes place in an injection device in which said liquid single-phase formulation is contained in the single reservoir of an injection device equipped at the outlet with an element comprising a support on which a ...

ANTI-ROUNDER COMPOSITION CONTAINING A THERMOGELIFYING POLYMER

COMPOSITE PRODUCT, IN PARTICULAR IMPLANT MEDICAL, FOR EXAMPLE INTRAOCULAR BALL, AND METHOD OF MANUFACTURE

POROUS COMPOSITE PRODUCT, IN PARTICULAR IMPLANT MEDICAL, FOR EXAMPLE INTRAOCULAR BALL, AND METHOD OF MANUFACTURE

NON-TOXIC RADICAL POLYMERIZATION ACTIVATOR FOR BONE OR DENTAL CEMENT

Bio-based gelling polyamides

L’invention concerne de nouveaux dérivés polyamides biosourcés aptes à former des gels, leur procédé de préparation, les gels formés à partir de ces polyamides gélifiants , ainsi que les compositions les contenant, en particulier les compositions cosmétiques. The invention relates to new biobased polyamide derivatives capable of forming gels, their preparation process, the gels formed from these gelling polyamides, as well as the compositions containing them, in particular cosmetic compositions.

PHOTOCHROMIC INTRAOCULAR LENS

AQUEOUS VISCOELASTIC SOLUTION AND ITS USE IN AN INJECTION DEVICE

L'invention une solution viscoélastique aqueuse comprenant : - au moins un polymère choisi parmi l'acide hyaluronique et ses sels, et les dérivés cellulosiques et leurs sels, en particulier l'hydroxypropylméthycellulose et ses sels, et - au moins un polymère hydrosoluble de type polyéther-polyuréthane ou polyéther-polyester-uréthane, et son utilisation dans un dispositif destiné à l'injection d'un implant intraoculaire. The invention an aqueous viscoelastic solution comprising: at least one polymer chosen from hyaluronic acid and its salts, and cellulose derivatives and their salts, in particular hydroxypropylmethylcellulose and its salts, and at least one water-soluble polymer of the type polyether-polyurethane or polyether-polyester-urethane, and its use in a device for the injection of an intraocular implant.

CONNECTING SPRING FOR A FLEXIBLE COUPLING DEVICE

Water-soluble heat-sensitive polymers capable of forming heat-reversible gels comprise polyoxyethylene-polyoxypropylene-polyoxyethylene triblock chains with terminal carbamate and urea groups

New water-soluble heat-sensitive polymers (I) capable of forming heat-reversible gels comprise linear polyoxyethylene-polyoxypropylene-polyoxyethylene triblock copolymer chains with organic groups bonded to one or both ends via carbamate and urea linkages. Independent claims are also included for: (1) production of (I) by reacting a hydroxy-terminal polyoxyethylene-polyoxypropylene-polyoxyethylene triblock copolymer with an isocyanate in the presence of water; (2) heat-reversible gel produced from a solution of (I); (3) pharmaceutical or non-pharmaceutical composition for treating the human body, comprising a gel as above; (4) prosthetic device for insertion into an organ of the human body, comprising a gel as above; (5) clothing or underclothing comprising a gel as above.

New polyurethane gelling agent

The invention relates to new oil gelling polyurethanes useful for preparing clear gels in organic media (oils, solvents) and to a process for their preparation. The invention also relates to the gels formed from these gelling polyurethanes and to compositions containing them, in particular cosmetic compositions.

Thermosensitive polymers and thermoreversible gels obtained from these polymers

The invention concerns water-soluble heat-sensitive polymers comprising both chain formations including at least one heat-sensitive three-block polyoxyalkylene linear chain consisting of polyethylene oxide (POE) blocks and polypropylene oxide (PPO) blocks, said chain being in the form POE-PPO-PPO-POE and being extended to at least one of its ends by an organic group via a carbamate bond and chain formations including at least a three-block polyoxyalkylene POE-PPO-POE linear chain extended to at least one of its ends by an organic group via a urea bond. The invention also concerns heat-reversible physical gels with high viscosification index, containing said polymers and their uses. The invention further concerns preparation of said polymers and said gels.

Implant forming bi-material single-piece intraocular lens

Implant formant lentille intraoculaire comportant une partie optique centrale, à contour globalement circulaire, au moins partiellement en matériau souple et une partie haptique, en périphérie de ladite partie optique au moins partiellement en matériau rigide. La structure dudit implant est monobloc. Le matériau rigide de l'implant est une forme modifiée par au moins une voie choisie parmi les réactions chimiques et les réactions de polymérisation du matériau souple de départ, par exemple à base de PMMA-PHMA, réticulés par ajout d'un agent multifonctionnel tel le diméthacrylate de diéthyléneglycol.

Mineral fibre sizing composition containing a carboxylic polyacid and a polyamine, preparation method thereof and resulting products

The invention relates to a sizing composition intended to be applied to mineral fibers, especially glass or rock fibers, which contains at least one polycarboxylic acid and at least one polyamine. It also relates to a method of preparing the composition, to its use for sizing mineral fibers for the purpose of forming, in particular, thermal and/or acoustic insulation products, and to the products obtained.

NEW POLYURETHANE GELIFIER

L'invention concerne l'élaboration de nouveaux gels transparents en milieux organiques (huiles, solvants) à partir de nouveaux dérivés polyuréthanes, ainsi qu'un procédé pour leur préparation. L'invention concerne également les gels formés à partir de ces polyuréthanes gélifiants, ainsi que les compositions les contenant, en particulier les compositions cosmétiques The invention relates to the development of new transparent gels in organic media (oils, solvents) from new polyurethane derivatives, as well as a process for their preparation. The invention also relates to the gels formed from these gelling polyurethanes, as well as the compositions containing them, in particular the cosmetic compositions.

Aqueous viscoelastic solution and use thereof in an injection device

The invention relates to an aqueous viscoelastic solution comprising: at least one polymer selected from among hyaluronic acid and the salts thereof, and cellulosic derivatives and the salts thereof, in particular hydroxypropyl methylcellulose and the salts thereof; and at least one water-soluble polymer of the polyether-polyurethane or polyether-polyester-urethane type, and to the use thereof in a device intended for the injection of an intraocular implant.

ANTI-ROUNDER COMPOSITION CONTAINING A THERMOGELIFYING POLYMER

L'invention concerne une composition pour le traitement ou la prévention du ronflement comportant au moins un polymère thermogélifiant. Cette composition présente la particularité d'être liquide dans son conditionnement et devenir gel au contact des muqueuses à 37°C. La thermogélification permet de cibler de manière précise la zone à traiter évitant toute coulure ou migration du produit et rend la composition vaporisée difficilement lessivable, augmentant ainsi la durée de sa présence dans la zone de traitement. The invention relates to a composition for the treatment or prevention of snoring comprising at least one thermogelling polymer. This composition has the particularity of being liquid in its packaging and becoming gel in contact with the mucous membranes at 37 ° C. Thermogelling makes it possible to precisely target the zone to be treated, avoiding any coulure or migration of the product, and makes the vaporized composition difficult to be washable, thus increasing the duration of its presence in the treatment zone.

Mineral fibre sizing composition containing a carboxylic polyacid and a polyamine, preparation method thereof and resulting products

L'invention se rapporte à une composition d'encollage destinée à être appliquée sur des fibres minérales, notamment de verre ou de roche, qui contient au moins un polyacide carboxylique et au moins une polyamine. Elle concerne également un procédé de préparation de ladite composition, son utilisation pour l'encollage de fibres minérales en vue de former notamment des produits d'isolation thermique et/ou acoustique et les produits obtenus. The invention relates to a sizing composition intended to be applied to mineral fibers, in particular glass or rock fibers, which contains at least one polycarboxylic acid and at least one polyamine. It also relates to a process for preparing said composition, its use for sizing mineral fibers in order to form, in particular, thermal and / or acoustic insulation products and the products obtained.

AQUEOUS VISCOELASTIC SOLUTION AND ITS USE IN AN INJECTION DEVICE

L'invention une solution viscoélastique aqueuse comprenant : - au moins un polymère choisi parmi l'acide hyaluronique et ses sels, et les dérivés cellulosiques et leurs sels, en particulier l'hydroxypropylméthycellulose et ses sels, et - au moins un polymère hydrosoluble de type polyéther-polyuréthane ou polyéther-polyester-uréthane, et son utilisation dans un dispositif destiné à l'injection d'un implant intraoculaire.

METASTABLE POLYMER COMPOSITIONS FOR DEVICES FOR INJECTING OPHTHALMIC IMPLANTS

L'invention concerne des compositions polymères métastables, leur utilisation pour la fabrication de dispositifs médicaux ou d'éléments de dispositifs médicaux présentant une surface glissante ainsi que les dispositifs à surface glissante issus de ces compositions polymères métastables, notamment dans le domaine des injecteurs ophtalmiques. The invention relates to metastable polymer compositions, their use for the manufacture of medical devices or medical device elements having a slippery surface as well as devices with a sliding surface derived from these metastable polymer compositions, particularly in the field of ophthalmic injectors.

Bio-based gelling polyamides

L’invention concerne de nouveaux dérivés polyamides biosourcés aptes à former des gels, leur procédé de préparation, les gels formés à partir de ces polyamides gélifiants , ainsi que les compositions les contenant, en particulier les compositions cosmétiques. The invention relates to new biobased polyamide derivatives capable of forming gels, their preparation process, the gels formed from these gelling polyamides, as well as the compositions containing them, in particular cosmetic compositions.

NEW POLYURETHANE GEL

L'invention concerne l'élaboration de nouveaux gels transparents en milieux organiques (huiles, solvants) à partir de nouveaux dérivés polyuréthanes, ainsi qu'un procédé pour leur préparation. L'invention concerne également les gels formés à partir de ces polyuréthanes gélifiants, ainsi que les compositions les contenant, en particulier les compositions cosmétiques The invention relates to the preparation of new transparent gels in organic media (oils, solvents) from new polyurethane derivatives, as well as a process for their preparation. The invention also relates to the gels formed from these gelling polyurethanes, as well as the compositions containing them, in particular the cosmetic compositions.

PROCESS FOR THE CONTROLLED HYDROHALOGENATION OF POLYOLEFIN-DIENE COPOLYMERS AND POLYMERS THEREOF

Polymer cements used for fixing prostheses, for bone repair and for vertebroplasty, and obtained from liquid single-phase formulations

The invention relates to a process for preparing cements used for reparative or reconstructive bone surgery, in particular for fixing prostheses, for bone repair and for vertebroplasty, and obtained from liquid single-phase formulations. It also relates to the cements prepared from these single-phase formulations and to a device for injecting them.

PROCESS FOR THE CONTROLLED HYDROHALOGENATION OF POLYOLEFIN-DIENE COPOLYMERS AND RESULTING POLYMERS

Cette invention a pour objet un copolymère polyoléfinique de type poly(oléfine-diène), caractérisé en ce qu'il comprend au moins un motif récurrent choisi parmi ceux de formule (I) et (II): (CF DESSIN DANS BOPI) dans lesquelles Q est absent ou représente un groupe alkylène, linéaire ou ramifié, comportant au moins un atome de carbone, R1 et R2 identiques ou différents, représentent chacun un groupe alkyle en C1 -C8 , et X représente un atome d'halogène. L'invention concerne également leurs produits de réaction avec des composés aromatiques ou avec des monomères de copolymérisation, ainsi que leurs procédés de préparation. A subject of the invention is a polyolefin copolymer of poly (olefin-diene) type, characterized in that it comprises at least one recurring unit chosen from those of formula (I) and (II): (CF DRAWING IN BOPI) in which Q is absent or represents an alkylene group, linear or branched, comprising at least one carbon atom, R1 and R2 which are identical or different, each represent a C1 -C8 alkyl group, and X represents a halogen atom. The invention also relates to their reaction products with aromatic compounds or with copolymerization monomers, as well as to their preparation processes.

Mineral fibre sizing composition containing a carboxylic polyacid and a polyamine, preparation method thereof and resulting products

L'invention se rapporte à une composition d'encollage destinée à être appliquée sur des fibres minérales, notamment de verre ou de roche, qui contient au moins un polyacide carboxylique et au moins une polyamine. Elle concerne également un procédé de préparation de ladite composition, son utilisation pour l'encollage de fibres minérales en vue de former notamment des produits d'isolation thermique et/ou acoustique et les produits obtenus.

Polymer cements used for fixing prostheses, for bone repair and for vertebroplasty, and obtained from liquid single-phase formulations

The invention relates to a process for preparing cements used for reparative or reconstructive bone surgery, in particular for fixing prostheses, for bone repair and for vertebroplasty, and obtained from liquid single-phase formulations. It also relates to the cements prepared from these single-phase formulations and to a device for injecting them.

Photochromic intraocular lens

L'invention concerne une lentille intraoculaire comportant au moins un polymère photochromique pharmaceutiquement acceptable permettant à ladite lentille intraoculaire, en tout ou partie, de changer de couleur réversiblement lorsqu'elle est exposée à la lumière.

Porous composite product e.g. intraocular ball for use in medical application, has matrixes covered by coating made of polymeric material whose softening temperature is lesser than that of polymeric material by which matrixes are made

The composite product has base elements or matrixes made of polymeric material and covered by a coating made of another polymeric material. The base elements or matrixes comprise openings from end to end. Softening temperature or reaction/curing temperature of the latter polymeric material is lesser that the softening temperature of the former polymeric material. The matrixes are formed in a shape of a grid, and comprise perforated woven or non-woven sheet. The matrixes are folded and fixed with each other by hot molding or thermoforming. An independent claim is also included for a method for manufacturing a porous composite product.

Thermosensitive polymers and thermoreversible gels obtained from these polymers

The invention concerns water-soluble heat-sensitive polymers comprising both chain formations including at least one heat-sensitive three-block polyoxyalkylene linear chain consisting of polyethylene oxide (POE) blocks a nd polypropylene oxide (PPO) blocks, said chain being in the form POE-PPO-PPO-P OE and being extended to at least one of its ends by an organic group via a carbamate bond and chain formations including at least a three-block polyoxyalkylene POE-PPO-POE linear chain extended to at least one of its end s by an organic group via a urea bond. The invention also concerns heat- reversible physical gels with high viscosification index, containing said polymers and their uses. The invention further concerns preparation of said polymers and said gels.

Anti-snoring composition containing a thermogelling polymer

A sizing composition for the manufacture of mineral fiber thermal and/or acoustic insulation products comprises a carboxylic polyacid with 2-500 groups reactive with an amine and a polyamine with 2-200 amine groups

A sizing composition for the manufacture of a thermal and/or acoustic insulation product based on mineral fibers, especially glass and rock which comprises at least on carboxylic polyacid and at least one polyamine. Independent claims are included for mineral fibers bonded to one another by use of the claimed composition;a thermal and/or acoustic insulation product consisting essentially of the claimed fibers;a tissue of mineral fibers, especially glass fibers, comprising the claimed fibers and with a grammage between 10 and 300 g/m 2>.

Radical polymerisation activator for the production of coloured non-toxic organic cements

The invention relates to a method for production of a polymeric material or a polymeric cement, which is coloured, obtained by polymerisation of an acrylic or methacrylic monomer in the presence of a peroxide type hardener and at least one decomposition activator of the tertiary amine type of formula (I), where R3 is an resonant electron-donating group which generates the colouration of the polymer or the cement during the polymerisation reaction and R1 and R2 are alkyl, arylalkyl or alkyidene groups. The invention further relates to a polymerisable composition and a preparation kit for an acrylic or methacrylic coloured cement and acrylic or methacrylic coloured cements particularly useful in the medical field as bone cement.

Radical polymerisation activator for the production of coloured non-toxic organic cements

The invention relates to a method for production of a polymeric material or a polymeric cement, which is coloured, obtained by polymerisation of an acrylic or methacrylic monomer in the presence of a peroxide type hardener and at least one decomposition activator of the tertiary amine type of formula (I), where R3 is an resonant electron-donating group which generates the colouration of the polymer or the cement during the polymerisation reaction and R1 and R2 are alkyl, arylalkyl or alkyidene groups. The invention further relates to a polymerisable composition and a preparation kit for an acrylic or methacrylic coloured cement and acrylic or methacrylic coloured cements particularly useful in the medical field as bone cement.

Hitzempfindliche polymere und thermoreversible gele daraus

Polyamides gélifiants biosourcés

Polymerisierbare naphthopyranderivate und aus derartigen derivaten gewonnene polymermaterialien

Fotochrome intraokularlinse

Polymères cationiques et leurs procédés de préparation

POLYMÈRES CATIONIQUES ET LEURS PROCÉDÉS DE PRÉPARATION La présente invention concerne un composé de formule (I) suivante : (I) dans laquelle : n est un nombre entier compris de 1 à 5, X1 et X2, identiques ou différents, représentent -O-, -CH2- ou -NH-, R1, R2 et R3, identiques ou différents, représentent indépendamment les uns des autres un radical alkylène divalent, linéaire, cyclique ou ramifié, comprenant de 20 à 50 atomes de carbone, R4 et R5, identiques ou différents, représentent, indépendamment l’un de l’autre, H, OH ou NH2, l’un au moins des groupes R4 et R5 représentant NH2. Figure pour l'abrégé : néant

Polymère apte à former un revêtement glissant pour injecteur ophtalmique

L'invention concerne un polymère dont les masses molaires et la balance hydrophile-hydrophobe sont ajustées, apte à former un revêtement glissant sur la surface interne d'au moins une partie d'un dispositif d'injection d'implant intraoculaire. L'invention concerne également l'utilisation dudit polymère pour le revêtement de la surface interne d'une ou plusieurs parties d'un dispositif d'injection d'implant intraoculaire, le procédé de revêtement de ladite surface, ainsi qu'un dispositif d'injection d'implant intraoculaire comprenant au moins une partie dont la surface interne est revêtue dudit polymère.

Mineralfaserplatten schlichtezusammensetzung mit einem polysaure und einer polyamin, verfahren zur herstellung sowie deren produkte

Hydrophobically modified urea ethers as structurants for hydrophobic systems

Consumer product compositions comprising hydrophobically modified urea ethers.

Einstückiges intraokularlinsenimplantat aus zwei materialien

Nouveau gelifiant polyurethane

Biosourced gelling polyamides

The invention relates to novel biosourced polyamide derivatives able to form gels, the method for preparing same, the gels formed from these gelling polyamides, as well the compositions containing them, in particular cosmetic compositions.

Polyamides gélifiants biosourcés

Nouveau gelifiant polyurethane

Polymer able to form a slippery coating for an ophthalmic injector

The invention relates to a polymer, the molar masses and the hydrophilic/hydrophobic balance of which are adjusted, able to form a slippery coating on the internal surface of at least part of a device for injecting an intraocular implant. The invention also relates to the use of the polymer for coating the internal surface of one or more parts of a device for injecting an intraocular implant, the method for coating said surface, as well as a device for injecting an intraocular implant comprising at least one portion, the internal surface of which is coated with the polymer.

Metastable polymer compositions for ophthalmic implant injection devices

The invention relates to metastable polymer compositions, use thereof for manufacturing medical devices or medical device components having a slippery surface as well as the devices with slippery surfaces resulting from these metastable polymer compositions, in particular in the field of ophthalmic injectors.