Patents Assigned to Rhodia Inc.
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Publication number: 20110177012Abstract: This invention relates to a composition useful as an oral care composition comprising an organophosphate material, additional oral care composition ingredients, for example, a surfactant agent, and optionally an abrasive agent.Type: ApplicationFiled: March 26, 2011Publication date: July 21, 2011Applicant: Rhodia Inc.Inventors: Tobias Johannes Fütterer, Lawrence Alan Hough, Robert Lee Reierson
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Publication number: 20110137004Abstract: A method of grafting galactomannan-type polysaccharide polymers, preferably guar, to a functional group by irradiation with high energy electron beams in the presence of an unsaturated monomer-compressing the described functional group. The method may include the depolymerization of the grafted polymer to a pre-selected low molecular weight. The preferred galactomannans for treatment according to this method are guar gum, guar splits and hydroxypropyl guar. In a preferred embodiment the guar gum is also depolymerized, preferably to a molecular weight of below about 700,00 Daltons, and most preferably to a molecular weight of between about 100,00 Daltons to about 250,00 Daltons. The depolymerized guar most preferably has a polydispersity of less than about 3.0 and is useful in oil well fracturing to enhance oil production.Type: ApplicationFiled: November 22, 2010Publication date: June 9, 2011Applicant: RHODIA, INC.Inventors: Leo Zhaoqing LIU, Christian PRIOU
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Publication number: 20110117286Abstract: A surface modified substrate includes a substrate having a surface and a layer of nanoscale inorganic oxide particles disposed on at least a portion of the surface.Type: ApplicationFiled: November 19, 2010Publication date: May 19, 2011Applicant: RHODIA INC.Inventors: Jean-Paul CHAPEL, Ashwin Rao, Zhengang Zong
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Patent number: 7939601Abstract: The present invention relates to a polymeric material comprising units capable of having a cationic charge at a pH of from about 4 to about 12; provided that said polymeric material has an average cationic charge density from about 2.75 or less units per 100 daltons molecular weight at a pH of from about 4 to about 12. The polymeric material is a suds enhancer and a suds volume extender for hand dishwashing compositions and personal care products such as soaps, shaving cream foam, foaming shaving gel, foam dephiliatories and shampoos. The polymers are also effective as a soil release agent in fabric cleaning compositions. The polymers are also useful in agrochemical foam, fire-fighting foam, hard surface cleaner foam, and coagulant for titanium dioxide in paper making.Type: GrantFiled: October 30, 2000Date of Patent: May 10, 2011Assignee: Rhodia Inc.Inventors: Vance Bergeron, Dominic Wai-Kwing Yeung, Jean-Francois Bodet, Mark Robert Sivik, Bernard William Kluesener, William Michael Scheper
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Publication number: 20110086961Abstract: Disclosed are latex polymers and an aqueous coating compositions having excellent freeze-thaw stability, open time, stain resistance, low temperature film formation, foam resistance, block resistance, adhesion, water sensitivity and a low-VOC content. The latex polymers and aqueous coating compositions include at least one latex polymer derived from at least one monomer copolymerized or blended with an alkoxylated compound, for example an alkoxylated tristyrylphenol or an alkoxylated tributylphenol. Also provided is an aqueous coating composition including at least one latex polymer, at least one pigment, water and at least one freeze-thaw additive. Typically, the freeze-thaw additive in an amount greater than about 1.3% by weight of the polymer, typically in an amount greater than about 2% by weight of the polymer, in an amount greater than about 4% by weight of the polymer, in an amount greater than about 7.Type: ApplicationFiled: December 20, 2010Publication date: April 14, 2011Applicant: Rhodia Inc.Inventors: Zhengang Zong, Yi-Zhong Li, Jose Ruiz
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Patent number: 7915212Abstract: The present invention relates to a block polymeric material. Typically the block polymer comprises units capable of having an average cationic charge density of about 15 or less, preferably 5 or less, more preferably from about 0.05 to about 5, even more preferably from about 0.05 to about 2.77, even more preferably from about 0.1 to about 2.75, most preferably from about 0.75 to about 2.25 units per 100 daltons molecular weight at a pH of from about 4 to about 12. The polymeric material is a suds enhancer and a suds volume extender for personal care products such as soaps and shampoos. The compositions have increased effectiveness for preventing re-deposition of grease during hand and body washing. The polymers are also effective as a soil release agent in fabric cleaning compositions.Type: GrantFiled: December 28, 2007Date of Patent: March 29, 2011Assignee: Rhodia Inc.Inventors: Dominic Wai-Kwing Yeung, Vance Bergeron, Jean-Francois Bodet, Mark R. Sivik, Bernard W. Kluesener, William M. Scheper
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Publication number: 20110064687Abstract: A hydrophilized personal care formulation, which can be in the form of a hand or body soap (liquid or bar), lipstick, body wash, makeup remover, skin cleaner, hair conditioner, skin or hair moisturizer. The formulation employs an organophosphorus material or a mixture of an organophosphorus material, for example, mono-, di-, and polyol phosphate esters.Type: ApplicationFiled: November 30, 2010Publication date: March 17, 2011Applicant: Rhodia Inc.Inventors: Tobias Johannes FÜTTERER, Lawrence Alan HOUGH, Robert Lee REIERSON
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Patent number: 7884229Abstract: A method for making a polyether monomer having at least one unsaturated site per molecule and having a desired number of alkoxyl repeating units includes the steps of reacting an active hydrogen-containing monomer having at least one unsaturated site per molecule with an alkyl oxide in the presence of an alkoxylation catalyst and a polymerization inhibitor at a temperature from about 30° C. to less than 45° C. to produce a polyether monomer. In one embodiment, from about 5 to about 1000 parts by weight of a phenothiazine polymerization inhibitor per one million parts by weight of the active hydrogen-containing monomer phenothiazine compound is used as the polymerization inhibitor.Type: GrantFiled: May 4, 2004Date of Patent: February 8, 2011Assignee: Rhodia Inc.Inventors: Amit K. Sharma, Claude K. Martin, Aziz Boukhelifa, Ning Chen
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Patent number: 7867963Abstract: A hydrophilized personal care formulation, which can be in the form of a hand or body soap (liquid or bar), lipstick, body wash, makeup remover, skin cleaner, hair conditioner, skin or hair moisturizer. The formulation employs an organophosphorus material or a mixture of an organophosphorus material, for example, mono-, di-, and polyol phosphate esters.Type: GrantFiled: January 6, 2009Date of Patent: January 11, 2011Assignee: Rhodia Inc.Inventors: Tobias Johannes Fütterer, Lawrence Alan Hough, Robert Lee Reierson
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Process for making an acrylic monomer having one or more quaternary ammonium groups and its polymers
Patent number: 7858722Abstract: A method for making a monomer having an ethylenically unsaturated group and two or more quaternary ammonium groups per molecule, comprising: (a) reacting an excess of a monomeric reactant having at least one ethylenically unsaturated group and at least one tertiary amino group per molecule with a halohydroxyalkyl(trialkyl)quaternary ammonium salt, in an aqueous medium, (b) monitoring the pH of the aqueous medium from at least as early as the time when all reactants have been added to aqueous medium until completion of the reaction, and (c) adjusting the pH of the aqueous medium to and maintaining the pH of the aqueous medium at a value greater than or equal to 9, from the time, after all reactants have been added to aqueous medium, that the reaction mixture exhibits an apparent pH minimum until completion of the reaction.Type: GrantFiled: March 19, 2008Date of Patent: December 28, 2010Assignee: Rhodia Inc.Inventors: Leo Zhaoqing Liu, Jon D. Kiplinger, Douglas Radtke -
Patent number: 7838667Abstract: A method of grafting galactomannan-type polysaccharide polymers, preferably guar, to a functional group by irradiation with high energy electron beams in the presence of an unsaturated monomer-compressing the described functional group. The method may include the depolymerization of the grafted polymer to a pre-selected low molecular weight. The preferred galactomannans for treatment according to this method are guar gum, guar splits and hydroxypropyl guar. In a preferred embodiment the guar gum is also depolymerized, preferably to a molecular weight of below about 700,000 Daltons, and most preferably to a molecular weight of between about 100,000 Daltons to about 250,000 Daltons. The depolymerized guar most preferably has a polydispersity of less than about 3.0 and is useful in oil well fracturing to enhance oil production.Type: GrantFiled: June 25, 2003Date of Patent: November 23, 2010Assignee: Rhodia, Inc.Inventors: Leo Zhaoqing Liu, Christian Priou
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Publication number: 20100264375Abstract: A co-assembly method includes, in an aqueous polyelectrolyte composition comprising: (a) a first polyelectrolyte dispersed in the composition and having a net electric charge of a first polarity, (b)a second polyelectrolyte dispersed in the composition and having a net electric charge of a second polarity, wherein the second polarity is opposite the first polarity, and (c)an electrolyte dissolved in the composition in a concentration effective to prevent co-assembly of the polyelectrolytes, the step of allowing co-assembly of the polyelectrolytes by: (1) decreasing the concentration of the electrolyte, or (2) forming an interface between the aqueous polyelectrolyte composition and a surface of a solid substrate or of a second liquid phase, wherein the surface has an affinity for at least one of the polyelectrolytes, or (3) decreasing the concentration of the electrolyte and forming such an interface.Type: ApplicationFiled: April 16, 2009Publication date: October 21, 2010Applicant: RHODIA INC.Inventors: Jerome Fresnais, Jean-Francois Berret, Ling Qi, Jean-Paul Chapel, Jean-Christophe Castaing
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Patent number: 7789160Abstract: An aqueous fluid useful for the recovery of crude oil from a subterranean formation, which includes a composition including a mixture of water, a water soluble block copolymer, an inorganic salt and at least one member of the group of a nonionic surfactant having an HLB of less than 12, and methods for using same.Type: GrantFiled: October 17, 2008Date of Patent: September 7, 2010Assignee: Rhodia Inc.Inventors: Lawrence Alan Hough, Gilda Maria Lizarraga, Herve Adam, Jean-Christophe Castaing, Subramanian Kesavan
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Patent number: 7789144Abstract: There is a method for enhancing the recovery of oil from a reservoir. The method has the step of a) introducing a flooding fluid into the reservoir and b) extracting the oil through a wellbore at a location different than the point of introduction of the flooding fluid into the reservoir. The flooding fluid has water and an amount of one or more non-polymeric viscoelastic surfactants sufficient to provide an interfacial surface tension of about 1 mNm or less and a viscosity of about 10 cps or more. The one or more surfactants is selected from the group of one or more cationic surfactants, one or more zwitterionic surfactants, one or more amphoteric surfactants, one or more anionic surfactants, and combinations thereof.Type: GrantFiled: October 30, 2008Date of Patent: September 7, 2010Assignee: Rhodia, Inc.Inventors: Manilal S. Dahanayake, Bruno Langlois, Paul-Joel Derian, Jean-Pierre Marchand
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Patent number: 7789143Abstract: There is a method for enhancing the recovery of oil from a reservoir. The method has the step of a) introducing a flooding fluid into the reservoir and b) extracting the oil through a wellbore at a location different than the point of introduction of the flooding fluid into the reservoir. The flooding fluid has water and an amount of one or more non-polymeric viscoelastic surfactants sufficient to provide an interfacial surface tension of about 1 mNm or less and a viscosity of about 10 cps or more. The one or more surfactants is selected from the group of one or more cationic surfactants, one or more zwitterionic surfactants, one or more amphoteric surfactants, one or more anionic surfactants, and combinations thereof.Type: GrantFiled: October 30, 2008Date of Patent: September 7, 2010Assignee: Rhodia, Inc.Inventors: Manilal S. Dahanayake, Jean-Pierre Marchand
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Patent number: 7784540Abstract: There is a method for enhancing the recovery of oil from a reservoir. The method has the step of a) introducing a flooding fluid into the reservoir and b) extracting the oil through a wellbore at a location different than the point of introduction of the flooding fluid into the reservoir. The flooding fluid has water and an amount of one or more non-polymeric viscoelastic surfactants sufficient to provide an interfacial surface tension of about 1 mNm or less and a viscosity of about 10 cps or more. The one or more surfactants is selected from the group of one or more cationic surfactants, one or more zwitterionic surfactants, one or more amphoteric surfactants, one or more anionic surfactants, and combinations thereof.Type: GrantFiled: October 30, 2008Date of Patent: August 31, 2010Assignee: Rhodia, Inc.Inventors: Manilal S. Dahanayake, Bruno Langlois, Paul-Joel Derian, Jean-Pierre Marchand
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Patent number: 7786179Abstract: Demulsifiers containing an anionic surfactant selected from alkylsulfosuccinates, alkylphosphonic acids, and their salts; a nonionic surfactant selected from ethylene oxide/propylene oxide copolymers, ethoxylated fatty acids of polyethylene glycol, terpene alkoxylates, and modified alkanolamides; and solvent bases comprising blends of dibasic esters. Methods for breaking emulsions using such demulsifiers and solvent bases are also disclosed.Type: GrantFiled: January 7, 2009Date of Patent: August 31, 2010Assignee: Rhodia Inc.Inventors: Ruela Talingting-Pabalan, Gary Woodward, Manilal S. Dahanayake, Herve Adam
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Publication number: 20100216674Abstract: There is a viscoelastic fluid. The fluid has one or more cationic surfactants selected from the group consisting of certain quaternary salts, certain amines, and combinations thereof; one or more anionic polymers/anionic surfactants; one or more of certain zwitterionic/amphoteric surfactants; and water. There is also a method of fracturing a subterranean formation. The viscoelastic fluid is pumped through a wellbore and into a subterranean formation at a pressure sufficient to fracture the formation. There is also a method for gravel packing a subterranean formation.Type: ApplicationFiled: February 25, 2010Publication date: August 26, 2010Applicant: Rhodia, Inc.Inventors: Fang Li, Manilal Dahanayake, Allwyn Colaco
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Patent number: 7779913Abstract: There is a method for enhancing the recovery of oil from a reservoir. The method has the step of a) introducing a flooding fluid into the reservoir and b) extracting the oil through a wellbore at a location different than the point of introduction of the flooding fluid into the reservoir. The flooding fluid has water and an amount of one or more non-polymeric viscoelastic surfactants sufficient to provide an interfacial surface tension of about 1 mNm or less and a viscosity of about 10 cps or more. The one or more surfactants is selected from the group of one or more cationic surfactants, one or more zwitterionic surfactants, one or more amphoteric surfactants, one or more anionic surfactants, and combinations thereof.Type: GrantFiled: October 30, 2008Date of Patent: August 24, 2010Assignee: Rhodia, Inc.Inventors: Manilal S. Dahanayake, Bruno Langlois, Paul-Joel Derian, Jean-Pierre Marchand
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Patent number: 7772164Abstract: There is a viscoelastic fluid. The fluid has one or more cationic surfactants selected from the group consisting of certain quaternary salts, certain amines, and combinations thereof; one or more anionic polymers/anionic surfactants; one or more of certain zwitterionic/amphoteric surfactants; and water. There is also a method of fracturing a subterranean formation. The viscoelastic fluid is pumped through a wellbore and into a subterranean formation at a pressure sufficient to fracture the formation. There is also a method for gravel packing a subterranean formation.Type: GrantFiled: February 9, 2007Date of Patent: August 10, 2010Assignee: Rhodia, Inc.Inventors: Fang Li, Manilal Dahanayake, Allwyn Colaco