Abstract: The present invention relates to the use of phosphate esters as surfactants in techniques for enhanced crude oil recovery from underground formations. The invention also relates to formulations that can be used in enhanced crude oil recovery methods and to be contacted with the rocks of underground formations.

Abstract: The invention concerns granules obtainable by drying an inverse emulsion, dispersed in an external aqueous phase: a) the inverse emulsion comprising an internal aqueous phase, including a hydrophilic active material, dispersed in an internal organic phase, said inverse emulsion including at least a non-ionic surfactant and/or at least an amphiphilic block polymer, and/or at least a cationic surfactant; b) the external aqueous phase including: at least a polyalkylated non-ionic surfactant and/or at least a polalkylated amphiphilic non-ionic polymer; at least a water soluble or water dispersible polymer in solid form in the presence of a water content of not more than 10 wt. % relative to the weight of said polymer and whereof the glass transition temperature is higher than 25° C., preferably higher than 50° C. The granules, once dispersed, enable to obtain a multiple emulsion.

Abstract: The invention relates to an aqueous paint composition comprising a mixture containing: (1) an aqueous paint; (2) a colloidal dispersion of a cerium compound, having a pH of at least 5 and comprising a water-soluble or water-dispersible polymer (i) which is obtained following the polymerisation of at least one monomer (I) corresponding to (I) an ethylenically-unsaturated, aliphatic, cyclic or aromatic, linear or branched monocarboxylic or polycarboxylic anhydride or acid and, optionally, a monomer corresponding to (II) a polyoxyalkylene ester of an ethylenically-unsaturated carboxylic acid; and (3) a base. The invention also relates to paints and varnishes containing said composition.

Abstract: A method for hydrophilizing a hydrophobic surface of a substrate includes the steps of (a) defining a temperature range of: (i) greater than or equal to an anticipated lower use temperature (LUT), or (ii) less than or equal to an anticipated upper use temperature (UUT), or (iii) from a LUT to an UUT, wherein LUT?UUT, within which the substrate is intended to be used in the presence of water, and (b) depositing at least one polymer on at least a portion of the surface, said polymer being soluble in water to the extent that an aqueous solution of such polymer exhibits: (i) a lower critical solution temperature (LCST), wherein LCST<LUT, or (ii) an upper critical solution temperature (UCST), wherein UUT<UCST, or (iii) a LCST and a UCST, wherein UCST<LCST and: (1) LCST<LUT, or (2) UUT<UCST.

Abstract: The invention relates to a copolymer having a controlled structure, comprising at least two parts, part A and part B, said parts having different compositions, wherein part A is a hydrophilic or hydrophobic part, and part B is a part comprising units deriving from a monomer B having formula: CH2?CR1CO—[O—(CH2)p—]nOR2 or CH2?CR1CO—[O—CH2-a(CH3)a—CH2-b(CH3)b—]nOR2, wherein R1 is hydrogen or a methyl group, p, which is identical or different, is 2 or 3, a, which is identical or different, is 0 or 1, b, which is identical or different, is 0 or 1, a+b=0 or 1, p=2+a+b, n is an average number being greater than or equal to 1, and R2 is an alkyl group. The inventions also relates to the use of the copolymer or to compositions or formulations comprising the copolymer.

Abstract: The present invention is directed to controlling aggregation of rare earth particles using block copolymers and rare earth base particles. More particularly, invention is also directed to forming stable complexes of rare earth aggregates by complexing rare earth base particles with oppositely charged-neutral di-block copolymers. Even more particularly, invention is also directed to forming stable complexes of rare earth nanoparticles by complexing rare earth ultrafine particles with oppositely charged-neutral di-block copolymers.

Abstract: The present invention is directed to a process for the preparation of an aqueous dispersion of coacervates having a core-shell structure, the core (a) being an inorganic particle being anionic or cationic and the shell (b) being a copolymer wherein said copolymer comprises at least two parts, A and B, part A being cationic if particle (a) is anionic, and anionic if particle (a) is cationic, and part B being neutral in pH conditions of said dispersion. More particularly, the invention is directed to treating compositions comprising that aqueous dispersion of coacervates delivering antifouling, water sheeting, antisoiling, anti-adhesion, adhesion, anti-deposition, and/or anti-UV properties onto all kinds of surfaces.

Abstract: The instant invention relates to a liquid composition comprising a mixture of: (1) water and/or a polar solvent; (2) a colloidal dispersion of mineral particles; and (3) a phosphonate terminated poly(oxyalkene) polymer; the invention also relates to process for stabilizing aqueous and/or solvent-based dispersions of mineral particles comprising the step of adding an efficient stabilising amount of a phosphonate terminated poly(oxyalkene) polymer.

Abstract: The invention relates to a composition comprising a single-phase aqueous phase consisting of a system containing: water; a water-dispersible or water-soluble polyionic dendritic polymer (a); at least one ionic surface active agent (b); and, optionally, a polycationic or polyanionic polymer (c) which is different from the dendritic polymer. The inventive composition can be used for surface treatments, such as on hair or skin, e.g. for hair conditioning.

Abstract: The invention concerns a method for preparing an oil-in-water emulsion whereof the organic phase has a viscosity not less than 1 Pa.s, which consists in using an aqueous phase comprising at least a heat-thickening polymer having a viscosity jump between 25 and 80° C. so that the value of the ratio log 10 (viscosity at 80° C.)/log 10 (viscosity at 25° C.) is at least equal to 1, preferably at least equal to 2, the variation in viscosity being reversible; the amount of heat-thickening polymer being such that the aqueous phase viscosity is 0.2 to 5 times that of the organic phase at the temperature for preparing the emulsion; the latter being not less than the thickening temperature of the heat-thickening polymer.

Abstract: The invention relates to novel emulsions comprising a dendritic polymer. The invention also relates to the use of a dendritic polymer as an emulsification agent. The inventive emulsions are suitable for use in the cosmetics, detergents, paint and coatings industries.

Abstract: A hard surface cleaning composition comprising a coacervate complex having a molar charge ratio Z greater than 0.1, wherein said coacervate complex comprises a copolymer and at least one of two components selected from a surfactant or a polymer, whereby the copolymer is cationic if the polymer, surfactant, or combination of polymer and surfactant is anionic, or the copolymer is anionic if the polymer, surfactant, or combination of polymer and surfactant is cationic, and a method of cleaning hard surfaces, are disclosed.

Abstract: The invention concerns a method for controlling the stability of an emulsion comprising a hydrophobic phase dispersed in an aqueous phase, or an aqueous phase dispersed in a hydrophobic phase, and less than 4% by weight of a surfactant, said process comprising the step of using in the emulsion a block copolymer.

Abstract: The invention concerns granules obtainable by drying an inverse emulsion, dispersed in an external aqueous phase: a) the inverse emulsion comprising an internal aqueous phase, including a hydrophilic active material, dispersed in an internal organic phase, said inverse emulsion including at least a non-ionic surfactant and/or at least an amphiphilic block polymer, and/or at least a cationic surfactant; b) the external aqueous phase including: at least a polyalkylated non-ionic surfactant and/or at least a polalkylated amphiphilic non-ionic polymer; at least a water soluble or water dispersible polymer in solid form in the presence of a water content of not more than 10 wt. % relative to the weight of said polymer and whereof the glass transition temperature is higher than 25° C., preferably higher than 50° C. The granules, once dispersed, enable to obtain a multiple emulsion.

Abstract: The instant invention relates to a liquid composition comprising a mixture of: (1) water and/or a polar solvent; (2) a colloidal dispersion of mineral particles; and (3) a phosphonate terminated poly(oxyalkene) polymer; the invention also relates to process for stabilizing aqueous and/or solvent-based dispersions of mineral particles comprising the step of adding an efficient stabilising amount of a phosphonate terminated poly(oxyalkene) polymer.

Abstract: The invention concerns a process for controlling the stability or the droplets sized of simple water-in-oil emulsions, wherein a diblock or tri-block copolymer is used. A block is a hydrophilic block, the other block is a hydrophobic block. The invention concerns also a stabilized water-in-oil emulsion.

Abstract: The invention concerns a method for controlling the stability of an emulsion comprising a hydrophobic phase dispersed in an aqueous phase, or an aqueous phase dispersed in a hydrophobic phase, and less than 4% by weight of a surfactant, said process comprising the step of using in the emulsion a block copolymer.

Abstract: The invention concerns granules obtainable by drying an inverse emulsion, dispersed in an external aqueous phase: a) the inverse emulsion comprising an internal aqueous phase, including a hydrophilic active material, dispersed in an internal organic phase, said inverse emulsion including at least a non-ionic surfactant and/or at least an amphiphilic block polymer, and/or at least a cationic surfactant; b) the external aqueous phase including: at least a polyalkylated non-ionic surfactant and/or at least a polalkylated amphiphilic non-ionic polymer; at least a water soluble or water dispersible polymer in solid form in the presence of a water content of not more than 10 wt. % relative to the weight of said polymer and whereof the glass transition temperature is higher than 25° C., preferably higher than 50° C. The granules, once dispersed, enable to obtain a multiple emulsion.

Abstract: A method for hydrophilizing a hydrophobic surface of a substrate includes the steps of (a) defining a temperature range of: (i) greater than or equal to an anticipated lower use temperature (LUT), or (ii) less than or equal to an anticipated upper use temperature (UUT), or (iii) from a LUT to an UUT, wherein LUT?UUT, within which the substrate is intended to be used in the presence of water, and (b) depositing at least one polymer on at least a portion of the surface, said polymer being soluble in water to the extent that an aqueous solution of such polymer exhibits: (i) a lower critical solution temperature (LCST), wherein LCST<LUT, or (ii) an upper critical solution temperature (UCST), wherein UUT<UCST, or (iii) a LCST and a UCST, wherein UCST<LCST and: (1) LCST<LUT, or (2) UUT<UCST.

Abstract: The invention concerns granules obtainable by drying an inverse emulsion, dispersed in an external aqueous phase: a) the inverse emulsion comprising an internal aqueous phase, including a hydrophilic active material, dispersed in an internal organic phase, said inverse emulsion including at least a non-ionic surfactant and/or at least an amphiphilic block polymer, and/or at least a cationic surfactant; b) the external aqueous phase including: at least a polyalkylated non-ionic surfactant and/or at least a polalkylated amphiphilic non-ionic polymer; at least a water soluble or water dispersible polymer in solid form in the presence of a water content of not more than 10 wt. % relative to the weight of said polymer and whereof the glass transition temperature is higher than 25 ° C., preferably higher than 50° C. The granules, once dispersed, enable to obtain a multiple emulsion.