Patent application number | Description | Published |
20080312343 | Novel Concentrated Inverse Latex, Process for Preparing It and Industrial Use Thereof - The invention relates to a composition in the form of a positive latex comprising a) between 50 wt. % and 80 wt. % of at least one cross-linked, branched, or linear organic polymer (P), b) between 5 wt. % and 10 wt. % of a water-in-oil (W/O) emulsifying system (S | 12-18-2008 |
20090074686 | NOVEL INVERSE LATICES OF COPOLYMERS OF AMPS AND OF N,N-DIMETHYLACRYLAMIDE; COSMETIC USE - Composition comprising an oil phase, an aqueous phase, at least one emulsifying system of water-in-oil (W/O) type, optionally at least one emulsifying system of oil-in-water (O/W) type, in the form of an inverse latex comprising from 20% to 70% by mass and preferably from 25% to 50% by mass of a branched or crosslinked polyelectrolyte, characterized in that the said polyelectrolyte is a copolymer of 2-acrylamido-2-methylpropanesulfonic acid partially or totally salified with N,N-dimethylacrylamide and optionally one or more monomers chosen from monomers containing a partially or totally salified weak acid function and neutral monomers. Cosmetic use. | 03-19-2009 |
20100048839 | Novel method for producing water-soluble comb-shaped copolymers - The invention relates to a method for producing a comb-shaped copolymer whose skeleton is of an acrylamide, acrylic acid, acryloyl aminoethanol or dimethyl acrylamide type and on which poly(N-alkyl acrylamide) or poly(N,N-5 dialkyl acrylamide lateral segments are grafted. Said method is characterised in that it consists (a) in producing a telomer poly(N-alkyl acrylamide) or poly(N,N-dialkyl acrylamide) of formula (I) H | 02-25-2010 |
20100233108 | PROCESS FOR THE PREPARATION OF INVERSE LATEX OF ACRYLAMIDE-BASED POLYMERS AND COMPOSITION COMPRISING SAID LATEX - Process for the preparation of a composition including an oil phase, an aqueous phase, at least one emulsifying system of water-in-oil (W/O) type, optionally at least one emulsifying system of oil-in-water (O/W) type, in the form of an inverse latex including from 20% to 70% by weight and preferably from 25% to 50% by weight of a branched or crosslinked polyelectrolyte, characterized in that the polyelectrolyte is a copolymer of 2-acrylamido-2-methylpropanesulfonic acid partially or totally salified with acrylamide and optionally one or more monomers chosen from monomers containing a partially or totally salified weak acid function and/or from neutral monomers other than acrylamide, the production process being characterized in that the preparation of the aqueous phase includes the dissolution in the aqueous medium of solid 2-acrylamido-2-methyl propanesulfonic acid before neutralization. Cosmetic, dermopharmaceutical or pharmaceutical composition including the inverse latex directly obtained by the process. | 09-16-2010 |
20100233196 | METHOD FOR PREPARING A VACCINE COMPOSITION COMPRISING AT LEAST ONE ANTIGEN AND AT LEAST ONE ADJUVANT - Method for preparing a vaccine, comprising—a step a) of preparing an adjuvant composition by dispersing, in a physiologically acceptable aqueous solution, at least one inverse latex or a powder of polymer resulting from the atomization of said inverse latex; —a step b) of mixing the composition obtained in step a) into an antigenic medium, intended to form a vaccine composition. | 09-16-2010 |
20100272661 | PROCESS FOR THE PREPARATION OF INVERSE LATEX OF ACRYLAMIDE-BASED POLYMERS AND COMPOSITION COMPRISING SAID LATEX - Process for the preparation of a an inverse latex including from 20% to 70% by weight and preferably from 25% to 50% by weight of a branched or crosslinked polyelectrolyte, characterized in that the polyelectrolyte is a copolymer of 2-acrylamido-2-methylpropanesulfonic acid partially or totally salified with acrylamide and optionally one or more monomers chosen from monomers containing a partially or totally salified weak acid function and/or from neutral monomers other than acrylamide, the production process including the control of the pH in the initial aqueous phase; Cosmetic, dermopharmaceutical or pharmaceutical composition including the inverse latex directly obtained by the process. | 10-28-2010 |
20110076245 | NOVEL INVERSE LATICES THAT ARE FREE OF OXYETHYLENE DERIVATIVES, AND COSMETIC, DERMOCOSMETIC, DERMOPHARMACEUTICAL OR PHARMACEUTICAL COMPOSITIONS COMPRISING SAME - Novel inverse latices comprising, as inverting agents, at least one compound of formula (I): R | 03-31-2011 |
20110098364 | NOVEL INVERSE LATICES BASED ON FATTY ALCOHOL ETHERS, AND COSMETIC, DERMOCOSMETIC, DERMOPHARMACEUTICAL OR PHARMACEUTICAL COMPOSITIONS COMPRISING - Novel inverse latices based on fatty alcohol ethers of formula R | 04-28-2011 |
20110118152 | NOVEL METHOD FOR THE TREATMENT OF ROCK FORMATIONS AND NOVEL POLYAMPHOLYTES - A method for the treatment of rock formations which may or may not be underground and, more particularly, of oil or gas production wells, water-injection wells intended to flood hydrocarbon (oil or gas) reservoirs or gas mines or gas storage wells includes a step of injecting, into the rock formation or well, a microgel obtained by dilution in water of a self-invertible inverse latex or of a self-invertible inverse microlatex of a crosslinked polyelectrolyte, obtained by copolymerization, in the presence of a crosslinking agent of partially- or totally-salified free 2-methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid, with at least one cationic monomer chosen from: 2,N,N,N-tetramethyl-2-[(1-oxo-2-propenyl)amino]propanammonium chloride; N,N,N-trimethyl-3-[(1-oxo-2-propenyl)amino]propanammonium chloride; diallyldimethylammonium chloride; N,N,N-trimethyl-2-[(1-oxo-2-propenyl)]ethanammonium chloride; N,N,N-trimethyl-2-[(1-oxo-2-methyl-2-propenyl)]ethanammonium chloride; or N,N,N-trimethyl-3-[(1-oxo-2-methyl-2-propenyl)amino]propanammonium chloride; and with at least one neutral monomer chosen from: acrylamide; N,N-dimethylacrylamide; N-[2-hydroxy-1,1-bis(hydroxymethyl)-ethyl]propenamide; or 2-hydroxyethyl acrylate. | 05-19-2011 |
20120095120 | NOVEL THICKENING POLYMER IN THE FORM OF A POWDER - Method for preparing an anionic polyelectrolyte including up to 95 mol % of monomer units from 2-methyl 2-[(1-oxo 2-propenyl) amino] 1-propanesulfonic acid that is totally salified in the form of sodium salt, up to 90 mol % of at least one neutral monomer, and optionally up to 10 mol % of at least one monomer of formula (I): | 04-19-2012 |
20120157552 | Novel concentrated inverse latex, process for preparing it and industrial use thereof - A composition in the form of a positive latex includes: a) 50-80 wt. % of at least one cross-linked, branched, or linear organic polymer (P), b) 5-10 wt. % of a water-in-oil (W/O) emulsifying system (S | 06-21-2012 |
20120172457 | NOVEL POWDERED POLYMER, PREPARATION METHOD THEREOF AND USE OF SAME AS A THICKENER - Disclosed is a branched or crosslinked anionic polyelectrolyte of at least one monomer having a partially- or totally-salified strong acid function, with at least one neutral monomer and at least one monomer having formula (I), wherein: R represents a linear or branched alkyl radical including between 8 and twenty carbon atoms, and n represents a number greater than or equal to 1 and less than or equal to twenty. Also described is the use thereof as a thickener in topical compositions. | 07-05-2012 |
20130035401 | NOVEL SELF-REVERSIBLE REVERSE LATEX, AND USE THEREOF AS A THICKENING AGENT IN A COSMETIC COMPOSITION - A self-reversible reverse latex, and its use as a thickener. The self-reversible reverse latex includes: 50%-70% of a cross-linked polyelectrolyte obtained by the polymerization of a monomer of formula (I), with R1 being 8 to 20 carbon atoms and 1≦n≦30 for a neutral monomer, and a monomer having an acid function; 4%-10% of a water-in-oil emulsifier; 1%-10% of an oil-in-water emulsifier including a surface-active composition (C); 15%-45% oil; and 0%-5% water. Composition (C) is 10%-50% composition (C | 02-07-2013 |
20130053452 | COMPOSITION MADE OF POLYALKOXYLATED DERIVATIVES OF TRIMETHYLOLPROPANE AND FATTY ALCOHOLS, METHOD FOR PREPARING SAID COMPOSITION, AND USE THEREOF AS A REVERSER IN SELF-REVERSIBLE REVERSE LATEXES - A novel composition made of polyalkoxylated derivatives of trimethylolpropane and fatty alcohols, the composition lending itself to the preparation thereof and to the use thereof as a reversing agent for a reversible reverse latex. | 02-28-2013 |
20130079420 | NOVEL THICKENING POLYMER FOR IONIC OIL PHASES FREE OF MONOMERS - A copolymer that includes for 100 mol %: a) more than 70 mol % and up to 99.9 mol % of hydrophobic monomer units (A) from stearyl methacrylate; and b) 0.1 mol % to 30 mol % of monomer units (B) from at least one monomer of a compound of formula (I) where R1 is a linear or branched alkyl radical comprising 12 to 22 carbon atoms, R2 is a hydrogen atom or a methyl radical, and n is an integer greater than or equal to 0 and lower than or equal to 30, wherein it is understood that said compound of formula (I) is not stearyl methacrylate. The invention also relates to a method for preparing and using same as a modifier of the rheology of the oil phase of a topical cosmetic, dermopharmaceutical, or pharmaceutical composition. | 03-28-2013 |
20130190410 | NOVEL POLYMERIC THICKENING AGENT FREE OF ACRYLAMIDE FRAGMENTS, METHOD FOR THE PREPARATION THEREOF, AND COMPOSITION CONTAINING SAME - A composition including an oil phase, an aqueous phase, at least one water-in-oil emulsifying system in the form of a positive latex, characterized in that the composition includes a straight, branched, or cross-linked anionic polyelectrolyte, including: a) a non-zero molar proportion of monomer units from acrylic acid in free or partially salified form; and b) a non-zero molar proportion of monomer units from the acid of formula (I): | 07-25-2013 |
20130197101 | NOVEL ELECTROLYTE-RESISTANT CATIONIC THICKENERS USABLE OVER A WIDE PH RANGE, METHOD FOR PREPARING SAME, AND COMPOSITION CONTAINING SAME - Positive latex including a straight, branched, or cross-linked cationic polyelectrolyte from the polymerization, in molar %, of: a molar ratio ≧70% and ≦99% of monomer units from at least one cationic monomer; b) a non-zero molar ratio <20% of monomer units from N-(2-hydroxyethyl)acrylamide; c) a non-zero molar ratio ≦15% of monomer units from at least one monomer of formula (I): A-C(=0)-0-[(CH | 08-01-2013 |
20130197177 | NOVEL CATIONIC THICKENERS, FREE OF OIL AND SURFACTANTS, METHOD FOR PREPARING SAME AND COMPOSITION CONTAINING SAME - Polyelectrolyte resulting from polymerization, for 100 mol %, of: a) a molar ratio ≧50% and ≦99% of monomer units originating from at least one cationic monomer; b) a molar ratio >1% and ≦50% of monomer units originating from at least one monomer including a fully or partially salified free weak acid function; c) optionally a molar ratio >0 mol % and ≦5 mol % of monomer units originating from at least one monomer of formula A-C(═O)—O—[(CH | 08-01-2013 |
20130210932 | NOVEL CATIONIC THICKENERS USABLE OVER A WIDE PH RANGE, METHOD FOR THE PREPARATION THEREOF, AND COMPOSITION CONTAINING SAME - Positive latex including an oil phase, an aqueous phase, at least one water-in-oil emulsifying system, and a linear, branched or cross-linked cationic polyelectrolyte resulting from the polymerization, for 100 mol %, of: a) a molar ratio >40% and ≦99% of monomer units originating from at least one cationic monomer; b) a molar ratio ≧1% and <60% of monomer units originating from N-(2-hydroxyethyl)acrylamide; c) optionally, a molar ratio >0% and <30% of monomer units originating from at least one neutral monomer other than the N-(2-hydroxyethyl)acrylamide, on the condition that the molar ratio is strictly less than that of the monomer units originating from N-(2-hydroxyethyl)acrylamide; and d) optionally, a molar ratio >0% and ≦1% of a diethylene or polyethylene cross-linking monomer. A method for preparing and using the positive latex as a thickener for cosmetic or pharmaceutical compositions is also described. | 08-15-2013 |
20130236401 | PROCESS FOR THE PREPARATION OF INVERSE LATEX OF ACRYLAMIDE-BASED POLYMERS AND COMPOSITION COMPRISING SAID LATEX - Process for the preparation of a composition including an oil phase, an aqueous phase, at least one emulsifying system of water-in-oil (W/O) type, optionally at least one emulsifying system of oil-in-water (O/W) type, in the form of an inverse latex including from 20% to 70% by weight and preferably from 25% to 50% by weight of a branched or crosslinked polyelectrolyte, characterized in that the polyelectrolyte is a copolymer of 2-acrylamido-2-methylpropanesulfonic acid partially or totally salified with acrylamide and optionally one or more monomers chosen from monomers containing a partially or totally salified weak acid function and/or from neutral monomers other than acrylamide, the production process being characterized in that the preparation of the aqueous phase includes the dissolution in the aqueous medium of solid 2-acrylamido-2-methyl propanesulfonic acid before neutralization. Cosmetic, dermopharmaceutical or pharmaceutical composition including the inverse latex directly obtained by the process. | 09-12-2013 |
20140127150 | NEW PROCESS FOR THE PREPARATION OF INVERSE LATEX OF ACRYLAMIDE-BASED POLYMERS AND COMPOSITION COMPRISING SAID LATEX - An inverse latex including from 20% to 70% by weight and preferably from 25% to 50% by weight of a branched or crosslinked polyelectrolyte, characterized in that the polyelectrolyte is a copolymer of 2-acrylamido-2-methylpropanesulfonic acid partially or totally salified with acrylamide and optionally one or more monomers chosen from monomers containing a partially or totally salified weak acid function and/or from neutral monomers other than acrylamide, the production process including the control of the pH in the initial aqueous phase; Cosmetic, dermopharmaceutical or pharmaceutical composition including the inverse latex directly obtained by the process. | 05-08-2014 |
20140213705 | COMPOSITION MADE OF POLYALKOXYLATED DERIVATIVES OF TRIMETHYLOLPROPANE AND FATTY ALCOHOLS, METHOD FOR PREPARING SAID COMPOSITION, AND USE THEREOF AS A REVERSER IN SELF-REVERSIBLE REVERSE LATEXES - The invention relates to a novel composition made of polyalkoxylated derivatives of trimethylolpropane and fatty alcohols, said composition lending itself to the preparation thereof and to the use thereof as a reversing agent for a reversible reverse latex. | 07-31-2014 |
20140357735 | COMPOSITION MADE OF POLYALKOXYLATED DERIVATIVES OF TRIMETHYLOLPROPANE AND FATTY ALCOHOLS, METHOD FOR PREPARING SAID COMPOSITION, AND USE THEREOF AS A REVERSER IN SELF-REVERSIBLE REVERSE LATEXES - The invention relates to a novel composition made of polyalkoxylated derivatives of trimethylolpropane and fatty alcohols, said composition lending itself to the preparation thereof and to the use thereof as a reversing agent for a reversible reverse latex. | 12-04-2014 |