Societe D'exploitation De Produits Pour Les Industries Chimiques Seppic

S.p.c.m. Sa

Snf Group

Centre National De La Recherche Scientifique

Institut Curie

Scott Bader Company Limited

Poweltec

Université Pierre Et Marie Curie (paris 6)

Ste Exploit. De Produits Pour Industries Chimiques

Institut Francais Du Pe'trole

Ifp Energies Nouvelles

Université Pierre Et Marie Curie

Olivier Braun

Paul Mallo

Cédrick Favero

Thierry Leblanc

Lionel Lauber

Guy Tabacchi

Herve Rolland

Alain Zaitoun

Jean-Louis Viovy

Hervé Rolland

Georges Da Costa

Renaud Souzy

Francois Guy

Jean-Noel Ollagnier

Audrey Bonnardel

Johann Kieffer

Bernard Pucci

Laurent Dupuis

Jing Ling

Francoise Candau

René Tabary

Arthur Marais

Nicolas Boisse

Pierrick Cheucle

Bruno Giovannetti

Joseph Selb

Jérôme Gaucheron

Nazanin Salehi

Jérôme Bouillot

Bernard Quillien

Thomas Divers

Kemin Xie

Emmanuelle Read

Elvire Tognisso

Alexis Guillard

Thomas Brichart

Guy Chauveteau

Rene Tabary

Eric Vilain

Jérémie Weber

Stephanie Basset

Farag Muhammed

Jean-Noël Ollagnier

Pïerrick Cheucle

François Guy

Jean-Noêl Ollagnier

Jérémie C/O Institut Curie Direction De La Weber

Jean Louis C/O Institut Curie Viovy

The present invention relates to a method for preparing a polymer reverse emulsion polymerization comprising the following steps:

Method for synthesising polymers by controlled-radical inverse emulsion polymerisation

The present invention relates to a method for modifying the water permeability of a subterranean formation which comprises oil, said method comprising at least the following steps:

Method for modifying the water permeability of a subterranean formation

The invention relates to a method for modifying the water permeability of a subterranean formation, comprising at least the following steps:

The invention relates to an inverse polymer emulsion having the particular feature of auto-inverting without any need for the use of an inverting agent and containing a polymer of at least one water-soluble monomer and at least one LCST macromonomer. The invention also relates to the use of the inverse emulsion in the fields of the oil and gas industry, water treatment, slurry treatment, paper manufacturing, construction, mining, cosmetics, textiles, detergents or agriculture.

Auto-invertible inverse polymer emulsion

The invention concerns a method for preparing a dispersion of a hydrophilic phase in a lipophilic phase, comprising:&#x2014;a hydrophilic phase comprising at least one water-soluble (co)polymer, &#x2014;a lipophilic phase, &#x2014;at least one interface polymer consisting of at least one monomer of formula (I): Formula (I) in which, &#x2014;R1, R2, R3 are separately a hydrogen atom, a methyl group, a carboxylate group and Z&#x2014;X, &#x2014;Z is chosen from the group comprising C(&#x2550;O)&#x2014;O; C(&#x2550;O)&#x2014;NH; O&#x2014;C(&#x2550;O); NH&#x2014;C(&#x2550;O)&#x2014;NH; NH&#x2014;C(&#x2550;O)&#x2014;O; and a saturated or unsaturated, substituted or unsubstituted carbon chain comprising 1 to 20 carbon atoms capable of comprising one or more heteroatoms chosen from nitrogen and oxygen, &#x2014;X is a group chosen from the alkanolamides, sorbitan esters, ethoxylated sorbitan esters, glyceryl esters, and polyglycosides; and comprising a saturated or unsaturated, linear, branched or cyclic, optionally aromatic, hydrocarbon chain.

Method for preparing a composition comprising a hydrosoluble (co)polymer encapsulated in a shell and use of this composition in assisted oil and gas recovery

This invention relates to a process of enhanced oil recovery by sweeping an underground formation comprising injecting into the underground formation an injection fluid comprising at least one water-soluble LCST macromonomeric polymer.

Method for enhanced oil recovery by means of injection of an aqueous polymer composition having monomeric units from an LCST

Fracturing fluid comprising, in solution in water, a proppant and an associative amphoteric polymer, the said polymer and comprising: Fracturing process using this fluid.

Aqueous fracturing fluid composition and fracturing process using the composition

The present invention concerns a method for determining the concentration of cationic polymers present in a sample, according to the following steps: &#x2014;bringing the cationic polymer or polymers present in the sample into contact with, and enabling the interaction thereof with, a developer solution comprising lanthanide (III) ions and at least one bonding agent, and &#x2014;exciting the sample at an excitation wavelength &#x3bb;and detecting, by time resolved photoluminescence, a signal originating from the lanthanide (III) ions having interacted with the at least one bonding agent having previously interacted with the cationic polymer or polymers, at an emission wavelength &#x3bb;, and &#x2014;determining the cationic polymer concentration of the sample by using the signal detected at the emission wavelength &#x3bb;, the sample originating from water originating from municipal or industrial water or sludge treatment processes.

Method for assaying cationic polymers by time-resolved photoluminescence

The present invention relates to a method for determining the anionic charge density of at least one polymer present in a sample, according to the following steps:

Method for determining the anionic charge density of a polymer

The present invention relates to a method for enhanced oil recovery by flushing an underground formation, comprising the injection into the underground formation of an aqueous composition comprising microgels having at least one crosslinked polymer, characterized in that the polymer is crosslinked with at least one crosslinking agent capable of being degraded under the temperature conditions of the underground formation, and a content of crosslinking agent between 1 and 90 ppm per mole with respect to the total number of moles of monomer constituting the polymer.

Method for enhanced oil recovery by injecting an aqueous polymeric composition containing microgels

A method for diverting an underground formation comprises injecting, into the underground formation, an aqueous solution containing at least one heat-sensitive copolymer of a) at least one water-soluble monomer having at least one unsaturated function capable of being polymerized to form a water-soluble backbone, and b) at least one macromonomer of formula (I) 

Method for diverting an underground formation

A comb copolymer with a polymer backbone having grafted lateral macromonomer segments, the method of preparing, and the use thereof as a thickener in cosmetics. The polymer backbone is more than 55% and up to 90% molar ATBS, between 1% and 20% molar cationic monomer or monomer of formula (I): CH&#x2550;C(R)&#x2014;C(&#x2550;O)&#x2014;Y&#x2014;(CH)m-N(R) (R), where m is between 1 and 4, Y is O or NH, R1 is H or CH, and Rand Rare each a methyl or ethyl radical, and optionally 0.005% to 1% molar of at least one cross-linking monomer with at least two C&#x2550;C bonds. The lateral macromonomer segments are polymerized from 9% to 30% molar of N-alkyl acrylamide or N,N-dialkyl acrylamide of formula (II): CH&#x2550;C(R)&#x2014;C(&#x2550;O)&#x2014;N(R) (R), where Ris H or CHand Rand Rare H or a Cto Calkyl radical, with at least one of Ror Rnot being H.

Ampholytic polymers having a thermosensitive character

Disclosed is a self-reversible reverse latex including: a) 25-80% by mass of a cross-linked anionic polyelectrolyte (P), resulting from the polymerization, for 100 mole percent: i)&#x2014;of a molar proportion &#x2265;30% and &#x2264;95% of monomeric units from at least one monomer including a free, partially- or totally-salified strong acid function; and ii)&#x2014;of a molar proportion &#x3e;0% and &#x2264;5% of at least one monomer with diethylenic or polyethylenic cross-linking; b) 0.5-10% by mass of a terpolymer of stearyl methacrylate, pentacosaethoxylated behenyl methacrylate and N,N-dimethylacrylamide, resulting from the polymerization, for 100 mole percent: of 80-95 mole percent of stearyl methacrylate, of 2.5-10 mole percent of N,N-dimethylacrylamide, and of 2.5-10 mole percent of pentacosaethoxylated behenyl methacrylate, c) 5-40% by mass of at least one oil, and d) 0.1-40% by mass of water; method of preparing same and use thereof as a thickener.

Surfactant-free self-reversible reverse latex, and use of same as a thickening agent in a cosmetic composition

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Castres, France

Olivier Braun