Patents Assigned to Rhodia Operations
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Patent number: 11958989Abstract: Described herein is a method for treatment of at least one surface of a substrate at least partially made of aluminum and/or an aluminum alloy, including at least a step of contacting said surface with an acidic aqueous composition (A) including one or more metal compounds (M) selected from the group of titanium compounds, zirconium compounds, and hafnium compounds and one or more linear polymers (P) containing (m1) N,N-dimethyl (meth)acryl amide, (m2) vinylphosphonic acid, and (m3) (meth)acrylic acid in form of their polymerized monomeric units, the one or more linear polymers (P) being included in the acidic aqueous composition (A) in an amount of 50 to 5000 ppm. Also described herein is an acidic aqueous composition (A), a master batch to produce the acidic aqueous composition (A), a method of using the acidic aqueous composition (A) for treating surfaces, and substrates comprising the treated surfaces.Type: GrantFiled: September 5, 2019Date of Patent: April 16, 2024Assignees: Rhodia Operations, Chemetall GmbHInventors: Lars Sebralla, Nawel Souad Khelfallah, Axel Schoene, Marie-Pierre Labeau, Guillaume Gody
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Patent number: 11690794Abstract: An aqueous personal care composition comprising: one or more amphoacetates; one or more glutamate surfactants selected from sodium lauroyl glutamate, dipotassium cocoyl glutamate, potassium lauryl/myristoyl glutamate and combinations thereof; and cocamide MIPA; wherein the composition is free of sulfates and ethoxylates.Type: GrantFiled: February 14, 2018Date of Patent: July 4, 2023Assignee: Rhodia OperationsInventors: Mary Ronan, Rajesh Patel
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Patent number: 11028282Abstract: The instant invention relates to primary coating compositions that comprises a cationic polysaccharide, to be applied on a hydrophobic surface before a subsequent application of a polar or water based coating composition, such a as a paint or an adhesive.Type: GrantFiled: October 20, 2016Date of Patent: June 8, 2021Assignee: Rhodia OperationsInventors: Marie-Pierre Labeau, Marylise Mangeol
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Patent number: 10980230Abstract: An antimicrobial composition that includes: an antimicrobial component having at least one quaternary ammonium compound; a synthetic polymer that includes: at least one cationic monomer Ab, optionally, at least one anionic monomer Ba, and optionally, at least one non-ionic monomer Ca; an organic acid; and a surfactant selected from cationic surfactants, amphoteric surfactants and combinations thereof, wherein the composition is free of non-ionic surfactants. This composition when applied to a surface provides robust long lasting disinfection.Type: GrantFiled: April 9, 2019Date of Patent: April 20, 2021Assignee: Rhodia OperationsInventors: Amit Sehgal, Kamel Ramdani, Christopher Plummer, Huw Evans
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Patent number: 10786771Abstract: The fuel filter (1) contains a filter element (4) and an additive tank (13) in a housing (2, 3). The filter element is engaged against the removable cover (3) of the housing and has a filter medium (5) extending in an annular manner around an inner space (9). An additive release device (32) extends into this inner space (9) to distribute liquid additive from the tank (13) into a fuel circulation circuit for an internal combustion engine. The additive selectively flows into a sealed distribution channel (DC) of the device (32) depending on an open or closed configuration of an actuator component (62) associated with the distribution channel. The distribution channel (DC) opens into a fuel channel (52) of the cover (3) that has a larger cross-section than the distribution channel (DC).Type: GrantFiled: December 10, 2014Date of Patent: September 29, 2020Assignees: Sogefi Filtration France, Rhodia OperationsInventors: Jean-Jacques Falc'hon, Christophe Guillon, Guy Monsallier, Virginie Harle, Antoine Lacarriere
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Publication number: 20200299155Abstract: Biocidal compositions including a phosphonium quaternary surfactant compound and a biopenetrant, wherein the biopenetrant includes an anionic polymer of an anionic unsaturated carboxylic acid or a copolymer of an unsaturated carboxylic acid with a sulphonic acid, the polymer or copolymer being either terminated by vinylphosphonic acid (VPA) or vinylidene-1, 1-diphosphonic acid (VDPA) or having such monomers incorporated into the polymer backbone. The compositions preferably further include a quaternary ammonium salt cationic surfactant. The compositions optionally include a tetrakis(hydroxyalkyl)phosphonium salt biocide, wherein the salt is selected from sulphate, phosphite, bromide, fluoride, chloride, phosphate, carbonate, acetate, formate, citrate, borate, and silicate. Methods of using same are also provided.Type: ApplicationFiled: March 19, 2020Publication date: September 24, 2020Applicant: Rhodia OperationsInventors: Stanley Gunawan, Charles David Armstrong, Chris Jones
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Patent number: 10745520Abstract: The invention relates to a process for producing aromatic polyimides, comprising the following steps: (a) preparation of one or more solid salt(s) by reacting one or more aromatic tetracarboxylic acid(s) and one or more diamine(s) according to a mole ratio ranging from 0.95 to 1.05; (b) drying of the solid salt(s), (c) addition, to the dry salt resulting from step (b), of one or more compound(s) (C) comprising one or more group(s) chosen from a carboxylic acid group, an anhydride group, an ester group and an acyl chloride group; (d) solid-state polymerization of said solid salt(s) in the presence of the compound(s) (C).Type: GrantFiled: December 17, 2015Date of Patent: August 18, 2020Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE CLAUDE BERNARD LYON1, UNIVERSITE JEAN MONNET SAINT-ETIENNE, Rhodia Operations, Institut National Des Sciences Appliquees De LyonInventors: Stéphane Jeol, René Rossin, Vincent Mollet, Benjamin Paci, Françoise Fenouillot-Rimlinger, Alain Rousseau
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Patent number: 10717947Abstract: The present invention provides a solid composition comprising (a) a quaternary ammonium compound and (b) between 9 wt % and 77 wt % of a polysaccharide based on the total weight of the solid composition. The solid composition showed excellent stability. The present invention also provides a process for preparing the solid composition and a liquid composition comprising said solid composition, and methods for conditioning a fabric by using the solid composition and the liquid composition as well.Type: GrantFiled: December 22, 2015Date of Patent: July 21, 2020Assignee: Rhodia OperationsInventors: Hai Zhou Zhang, Nikolay Christov, Da Wei Jin, Lin He
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Publication number: 20200178521Abstract: The present invention relates generally to polyelectrolyte-layer forming block copolymers adsorbed at colloid interfaces in aqua solution and compositions and uses thereof. In particular, the present invention relates to agricultural material compositions comprising particles of at least one agricultural material and a polyelectrolyte-layer forming block copolymer. The present invention also relates to non-agricultural material compositions comprising particles of at least one non-agricultural material and a polyelectrolyte-layer forming block co-polymer.Type: ApplicationFiled: October 15, 2019Publication date: June 11, 2020Applicants: Adama Makhteshim Ltd., Rhodia OperationsInventors: Gilad Silbert, Michael Berkovitch, David James Wilson
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Patent number: 10669056Abstract: A process for unloading a container containing an oxidizable compound having a melting point Tm greater than 15° C. is described. This process comprises the steps consisting in heating the container using a heating means until the oxidizable compound is liquid, the temperature of the heating means remaining less than or equal to Tm+105° C., and then unloading the oxidizable compound in the liquid state. A process for handling such an oxidizable compound, comprising this unloading step, and also a device enabling this process to be carried out, are also proposed.Type: GrantFiled: September 15, 2015Date of Patent: June 2, 2020Assignee: Rhodia OperationsInventors: Lars Fischer, Jacques Cavezzan, Jean-François Thome
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Patent number: 10597494Abstract: A salt composition includes at least one ammonium carboxylate salt obtained from: (a) at least one aromatic compound comprising 2 anhydride functional groups and/or its carboxylic acid and/or ester derivatives; and (b) one or more aliphatic diamines in which said aliphatic diamine or diamines are chosen from the diamines of formula (I) NH2—R—NH2 with R being a saturated aliphatic divalent hydrocarbon radical, the two amine functional groups of which are separated by 4 to 6 carbon atoms and 1 or 2 hydrogen atoms of the divalent radical of which are replaced by 1 or 2 methyl and/or ethyl groups; and optionally the diamines of formula (II) NH2—R?—NH2 with R? being a saturated or unsaturated and aliphatic, cycloaliphatic or arylaliphatic divalent hydrocarbon radical, which optionally comprises heteroatoms; and at least one chain-limiting compound chosen from monoamines, monoacids or diacids in the ?,? positions.Type: GrantFiled: January 30, 2018Date of Patent: March 24, 2020Assignee: Rhodia OperationsInventor: Stéphane Jeol
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Patent number: 10583381Abstract: In a filter cartridge (CC) for a fuel filter, the filter element (4) and the additive module are connected and typically stacked so as to allow them to be integrally inserted into a filter housing. The substantially annular filter medium (5) delimits an inner space (9) into which at least one part (24) of the attachment end of the additive module can be engaged. The liquid additive is stored in a casing forming a tank (13) that is placed at a fuel pressure and delimits an internal volume (V2) that can be varied so as to maintain an identical pressure between the liquid additive and the fuel at the periphery (V3) of the tank (13). The additive module has an external connection (28) with a liquid additive outlet pipe (12a), said external connection (28) including sealing means (37, 38) for automatically closing the outlet pipe in a fluidtight manner when the external connection is in a disengaged state.Type: GrantFiled: December 10, 2014Date of Patent: March 10, 2020Assignees: Sogefi Filtration France, Rhodia OperationsInventors: Jean-Jacques Falc'hon, Christophe Guillon, Guy Monsallier, Virginie Harle, Antoine Lacarriere
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Patent number: 10577476Abstract: The invention relates to a novel process for the preparation of a precipitated silica, in which: a silicate is reacted with an acidifying agent, so as to obtain a suspension of precipitated silica, said suspension of precipitated silica is filtered, so as to obtain a filtration cake, said filtration cake is subjected to a liquefaction operation comprising the addition of an aluminum compound, after the liquefaction operation, a drying stage is carried out, characterized in that a mixture of polycarboxylic acids is added to the filtration cake, during or after the liquefaction operation. It also relates to novel precipitated silicas and to their uses.Type: GrantFiled: September 2, 2013Date of Patent: March 3, 2020Assignee: Rhodia OperationsInventors: Cédric Boivin, Laurent Guy, Eric Perin, Kilani Lamiri
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Publication number: 20190300708Abstract: A method for increasing a polyamide-containing composition's resistance to halogen-containing oxidizing agents includes blending the polyamide with at least one phenol-carbonyl condensation product. An article may be manufactured from a composition that includes at least one polyamide and at least one phenol-carbonyl condensation product, the article having a shape that permits it to contain, store and/or transport a liquid.Type: ApplicationFiled: July 12, 2017Publication date: October 3, 2019Applicant: Rhodia OperationsInventors: Soumyadeb Ghosh, Hemang Darji, Franco Enrico Speroni, Thomas Barraud
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Publication number: 20190300452Abstract: The present invention relates to a composition comprising: (A) at least one (thio)phosphoric acid triamide and/or (thio)phosphoric acid diamide; (B) at least one amine compound; and optionally (C) a solvent. Said composition can notably be used in urea-containing fertilizers.Type: ApplicationFiled: July 5, 2017Publication date: October 3, 2019Applicant: Rhodia OperationsInventors: Zixian CHEN, Krish Murthy SHANMUGA
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Patent number: 10421905Abstract: The invention relates to a process for preparing concentrated solutions of polymerization inhibitor, that can be used for the production, purification and storage of monomer compositions. This process comprises a step in which at least one polymerization inhibitor in the molten state is mixed with a solvent.Type: GrantFiled: February 22, 2016Date of Patent: September 24, 2019Assignee: Rhodia OperationsInventors: Jacques Cavezzan, Sébastien Lomel, Christian Rouyer, Terry Chamberlain
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Patent number: 10383328Abstract: An adjuvant composition that contains (a) one or more anionic surfactant compounds, (b) one or more one or more fatty acid alkyl ester compounds, and (c) one or more salts is useful as a component of pesticide compositions.Type: GrantFiled: July 14, 2016Date of Patent: August 20, 2019Assignees: Rhodia Operations, Centre National de la Recherche Scientifique, Université de MontpellierInventors: Clara Vernay, Rajesh Goyal, Laurence Ramos, Christian Ligoure, Jean-Christophe Castaing
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Publication number: 20190244767Abstract: Pseudocapacitive materials for supercapacitors electrodes The present invention relates to the use as a pseudocapacitive electrode material for supercapacitors, of a metal oxide of formula A1-xA?xCo1-yByO3, where 0?x<1, 0?y<0.5, said metal oxide presents a perovskite crystal structure, A represents a rare earth metal, A? represents an alkaline earth metal, B represents a transition metal, and A, A? and B may be mixtures of metals, wherein said material is implemented on an electrode comprising a carbonaceous material and said material is loaded on said carbonaceous material with a loading mass greater than 5 mg/cm2. The present invention further relates to pseudocapacitive electrodes for supercapacitors, wherein the material of said pseudocapacitive electrode comprises a pseudocapacitive electrode material as defined above, to a supercapacitor comprising at least said pseudocapacitive electrode.Type: ApplicationFiled: July 13, 2017Publication date: August 8, 2019Applicants: Rhodia Operations, Universite de Nantes, Centre National de la Recherche ScientifiqueInventors: Lauriane D'ALENCON, Thierry LE MERCIER, Gaëtan BUVAT, Nicolas GOUBARD-BRETESCHE, Olivier CROSNIER, Thierry BROUSSE
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Patent number: 10344183Abstract: The present invention relates to a suspension of cerium oxide particles in a liquid phase, in which said particles comprise secondary particles comprising primary particles, and a process for preparing said liquid suspension in which the cerium IV/total cerium molar ratio before precipitation is comprised between 1/10000 and 1/500000 and that the thermal treatment is being carried out under an inert atmosphere.Type: GrantFiled: December 16, 2014Date of Patent: July 9, 2019Assignee: Rhodia OperationsInventors: Eisaku Suda, Manabu Yuasa, Takao Sekimoto
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Publication number: 20190168188Abstract: The invention relates to a mixed oxide composed of zirconium, cerium, lanthanum and at least one rare earth oxide other than cerium and lanthanum, having a specific porosity and a high specific surface area; to the method for preparing same and to the use thereof in catalysis.Type: ApplicationFiled: April 25, 2017Publication date: June 6, 2019Applicant: Rhodia OperationsInventors: Rui Miguel JORGE COELHO MARQUES, Simon IFRAH, Boris CHABERT