Patents by Inventor Bruno Langlois
Bruno Langlois has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10633579Abstract: A method for replacing glycol-based mutual solvents in an oil field application comprising: obtaining an alternative solvent and solvent blends and replacing all or a portion a glycol-based mutual solvent, which forms a component of an oil field formulation, with the alternative solvent or solvent blends, wherein the oil field formulation can be utilized in an oil field application.Type: GrantFiled: August 1, 2012Date of Patent: April 28, 2020Assignee: RHODIA OPERATIONSInventors: Ruela Talingting Pabalan, Dominique Labarre, Gary Woodward, Bruno Langlois, Adedamola Adedeji
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Patent number: 9732213Abstract: A composition for enhancing fluid viscosity including a mixture of at least one cationic or cationizable polymer and at least one anionic or anionizable (hydrolysable) polymer. The composition has a zeta potential at 25° C. in the range of 0.5 to 100 mV or ?0.5 to ?100 mV, typically 1 to 60 mV or ?1 to ?60 mV, or is a precursor convertible at a temperature of 100 to 250° C. to the composition having a zeta potential at 25° C. of 0.5 to 100 mV or ?0.5 to ?100 mV, typically 1 to 60 mV or ?1 to ?60 mV. Typically the compositions exhibit salt tolerance and interaction of both polymers at very high temperatures (>300° F.) such that the system exhibits an increase of viscosity at extreme temperatures. The compositions are useful for hydraulic fracturing, enhanced oil recovery, subterranean acidization, personal care as well as home and industrial cleaners.Type: GrantFiled: February 26, 2015Date of Patent: August 15, 2017Assignee: RHODIA OPERATIONSInventors: Ruela Talingting Pabalan, Nemesio Martinez-Castro, Subramanian Kesavan, Marie-Pierre Labeau, Bruno Langlois
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Patent number: 9617503Abstract: A method for modifying the properties of a suspension of solid or liquid particles in an aqueous medium, includes the step of adding to the suspension or to the aqueous medium a polymer prepared by inverse emulsion polymerization of monomers Ab, comprising a betaine group, and of nonionic monomers Ba included in an aqueous phase dispersed in the form of droplets in a hydrophobic external phase, wherein the molar ratio of the monomers Ab to the monomers Ba is from about 4/96 to about 40/60, the polymer exhibits an intrinsic viscosity of greater than 600 mL/g, the reduced specific viscosity being measured by dissolving the polymer in a 20% by weight aqueous NaCl solution.Type: GrantFiled: February 3, 2010Date of Patent: April 11, 2017Assignee: Rhodia OperationsInventors: Arnaud Cadix, Chi-Thanh Vuong, Bruno Langlois, Marie-Pierre Labeau
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Publication number: 20150183979Abstract: A composition for enhancing fluid viscosity including a mixture of at least one cationic or cationizable polymer and at least one anionic or anionizable (hydrolysable) polymer. The composition has a zeta potential at 25° C. in the range of 0.5 to 100 mV or ?0.5 to ?100 mV, typically 1 to 60 mV or ?1 to ?60 mV, or is a precursor convertible at a temperature of 100 to 250° C. to the composition having a zeta potential at 25° C. of 0.5 to 100 mV or ?0.5 to ?100 mV, typically 1 to 60 mV or ?1 to ?60 mV. Typically the compositions exhibit salt tolerance and interaction of both polymers at very high temperatures (>300° F.) such that the system exhibits an increase of viscosity at extreme temperatures. The compositions are useful for hydraulic fracturing, enhanced oil recovery, subterranean acidization, personal care as well as home and industrial cleaners.Type: ApplicationFiled: February 26, 2015Publication date: July 2, 2015Inventors: Ruela TALINGTING PABALAN, Nemesio MARTINEZ-CASTRO, Subramanian KESAVAN, Marie-Pierre LABEAU, Bruno LANGLOIS
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Patent number: 8969261Abstract: A composition for enhancing fluid viscosity including a mixture of at least one cationic or cationizable polymer and at least one anionic or anionizable (hydrolysable) polymer. The composition has a zeta potential at 25° C. in the range of 0.5 to 100 mV or ?0.5 to ?100 mV, typically 1 to 60 mV or ?1 to ?60 mV, or is a precursor convertible at a temperature of 100 to 250° C. to the composition having a zeta potential at 25° C. of 0.5 to 100 mV or ?0.5 to ?100 mV, typically 1 to 60 mV or ?1 to ?60 mV. Typically the compositions exhibit salt tolerance and interaction of both polymers at very high temperatures (>300° F.) such that the system exhibits an increase of viscosity at extreme temperatures. The compositions are useful for hydraulic fracturing, enhanced oil recovery, subterranean acidization, personal care as well as home and industrial cleaners.Type: GrantFiled: February 14, 2011Date of Patent: March 3, 2015Assignee: Rhodia OperationsInventors: Ruela Talingting Pabalan, Nemesio Martinez-Castro, Subramanian Kesavan, Marie Pierre Labeau, Bruno Langlois
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Publication number: 20140255691Abstract: Methods of preparing dispersible fiber bundles comprising contacting a rheology-modifying binder to at least two or more fibers to form a binder-fiber mixture, and imparting force to the binder-fiber mixture to compact the binder-fiber mixture into a fiber bundle.Type: ApplicationFiled: March 7, 2014Publication date: September 11, 2014Applicant: RHODIA OPERATIONSInventors: Amit SEHGAL, Charles AYMES, Subramanian KESAVAN, Bruno LANGLOIS
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Publication number: 20130196885Abstract: A method for replacing glycol-based mutual solvents in an oil field application comprising: obtaining an alternative solvent and solvent blends and replacing all or a portion a glycol-based mutual solvent, which forms a component of an oil field formulation, with the alternative solvent or solvent blends, wherein the oil field formulation can be utilized in an oil field application.Type: ApplicationFiled: August 1, 2012Publication date: August 1, 2013Applicant: Rhodia OperationsInventors: Ruela Talingting PABALAN, Dominique LABARRE, Gary WOODWARD, Bruno LANGLOIS, Adedamola ADEDEJI
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Publication number: 20130146545Abstract: An environmentally-friendly cleaning composition for oil cleaning comprising (a) a blend of dibasic esters, (b) one or more surfactants (c) and, optionally, (d) water or a solvent. The dibasic esters are be derived from a blend of adipic, glutaric, and succinic diacids, and, in one particular embodiment, the blend comprises dialkyl adipate, dialkyl methylglutarate and dialkyl ethylsuccinate, wherein the alkyl groups individually comprise a C1-C12 hydrocarbon group. The one or more surfactants are typically chosen from alcohol alkoxylate, an alkyl phenol ethoxylate, a terpene, a terpene alkoxylate or any derivates thereof. Optionally, additional components or additives including delaminates such as pinene and d-limonene, fragrances, whiteners, stabilizers, thickeners and the like can be added to the composition.Type: ApplicationFiled: June 2, 2011Publication date: June 13, 2013Applicant: RHODIA OPERATIONSInventors: Ruela Talingting Pabalan, Charles Aymes, Stephen Graham, Amit Sehgal, Satyen Trivedi, David Fluck, Bruno Langlois
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Publication number: 20110256085Abstract: A composition for enhancing fluid viscosity including a mixture of at least one cationic or cationizable polymer and at least one anionic or anionizable (hydrolysable) polymer. The composition has a zeta potential at 25° C. in the range of 0.5 to 100 mV or ?0.5 to ?100 mV, typically 1 to 60 mV or ?1 to ?60 mV, or is a precursor convertible at a temperature of 100 to 250° C. to the composition having a zeta potential at 25° C. of 0.5 to 100 mV or ?0.5 to ?100 mV, typically 1 to 60 mV or ?1 to ?60 mV. Typically the compositions exhibit salt tolerance and interaction of both polymers at very high temperatures (>300° F.) such that the system exhibits an increase of viscosity at extreme temperatures. The compositions are useful for hydraulic fracturing, enhanced oil recovery, subterranean acidization, personal care as well as home and industrial cleaners.Type: ApplicationFiled: February 14, 2011Publication date: October 20, 2011Applicant: RHODIA OPERATIONSInventors: Ruela TALINGTING PABALAN, Nemesio Martinez-Castro, Subramanian Kesavan, Marie Pierre Labeau, Bruno Langlois
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Patent number: 8003575Abstract: An aqueous composition for treating hydrocarbon wells contains (a) a scale inhibitor and (b) a viscoelastic surfactant, and further contains from 0 to less than 1% by weight of acid selected from the group consisting of hydrochloric acid, sulfuric acid, phosphoric acid, formic acid, acetic acid, citric acid, maleic acid, hydrofluoric acid, and mixtures thereof.Type: GrantFiled: February 3, 2011Date of Patent: August 23, 2011Assignee: Rhodia OperationsInventors: Floryan De Campo, Allwyn Colaco, Bruno Langlois, Chris Jones, Gary Woodward
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Publication number: 20110143972Abstract: An aqueous composition for treating hydrocarbon wells contains (a) a scale inhibitor and (b) a viscoelastic surfactant, and further contains from 0 to less than 1% by weight of acid selected from the group consisting of hydrochloric acid, sulfuric acid, phosphoric acid, formic acid, acetic acid, citric acid, maleic acid, hydrofluoric acid, and mixtures thereof.Type: ApplicationFiled: February 3, 2011Publication date: June 16, 2011Applicant: Rhodia OperationsInventors: Floryan De Campo, Allwyn Colaco, Bruno Langlois, Chris Jones, Gary Woodward
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Patent number: 7915204Abstract: An aqueous composition for treating hydrocarbon wells contains (a) a scale inhibitor and (b) a viscoelastic surfactant, and further contains from 0 to less than 1% by weight of acid selected from the group consisting of hydrochloric acid, sulfuric acid, phosphoric acid, formic acid, acetic acid, citric acid, maleic acid, hydrofluoric acid, and mixtures thereof.Type: GrantFiled: November 30, 2007Date of Patent: March 29, 2011Assignee: Rhodia OperationsInventors: Floryan De Campo, Allwyn Colaco, Bruno Langlois, Chris Jones, Gary Woodward
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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: 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: 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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Publication number: 20100210724Abstract: A method for modifying the properties of a suspension of solid or liquid particles in an aqueous medium, includes the step of adding to the suspension or to the aqueous medium a polymer prepared by inverse emulsion polymerization of monomers Ab, comprising a betaine group, and of nonionic monomers Ba included in an aqueous phase dispersed in the form of droplets in a hydrophobic external phase, wherein the molar ratio of the monomers Ab to the monomers Ba is from about 4/96 to about 40/60, the polymer exhibits an intrinsic viscosity of greater than 600 mL/g, the reduced specific viscosity being measured by dissolving the polymer in a 20% by weight aqueous NaCl solution.Type: ApplicationFiled: February 3, 2010Publication date: August 19, 2010Applicant: RHODIA OPERATIONSInventors: Arnaud Cadix, Chi-Thanh Vuong, Bruno Langlois, Marie-Pierre Labeau
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Patent number: 7770642Abstract: 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 10, 2010Assignee: Rhodia, Inc.Inventors: Manilal S. Dahanayake, Bruno Langlois, Paul-Joel Derian, Jean-Pierre Marchand
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Patent number: 7703516Abstract: Oilfields are stimulated by injecting an inflow stream of a fluid into an oil producing well linked to the oilfield, displacing the oil and recovering an outflow stream of fluid comprising the oil, wherein at least two streams are injected into at least two production zones of an oil well or are injected into at least two different oil producing wells from which at least two outflow streams from the two zones or wells are combined before recovering, with a scale inhibitor having detectable moieties being introduced into the oilfield(s) and/or into the fluid, and wherein two different scale inhibitors are used, dedicated to the two zones or wells, said different scale inhibitors having different detectable moieties that can be distinguished by analysis.Type: GrantFiled: June 25, 2004Date of Patent: April 27, 2010Assignee: Rhodia OperationsInventors: Emma Hills, Sylvie Touzet, Bruno Langlois
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Publication number: 20090163389Abstract: An aqueous composition for treating hydrocarbon wells contains (a) a scale inhibitor and (b) a viscoelastic surfactant, and further contains from 0 to less than 1% by weight of acid selected from the group consisting of hydrochloric acid, sulfuric acid, phosphoric acid, formic acid, acetic acid, citric acid, maleic acid, hydrofluoric acid, and mixtures thereof.Type: ApplicationFiled: November 30, 2007Publication date: June 25, 2009Inventors: Floryan De Campo, Allwyn Colaco, Bruno Langlois, Chris Jones, Gary Woodward
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Publication number: 20090065203Abstract: 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: ApplicationFiled: October 30, 2008Publication date: March 12, 2009Inventors: Manilal S. Dahanayake, Bruno Langlois, Paul-Joel Derian, Jean-Pierre Marchand