Patents Assigned to Rhodia Operations
  • PRODUCTION OF AMINES UTILIZING ZEOLITE CATALYSTS
    Publication number: 20190071389
    Abstract: The present invention concerns a process for forming a primary or a secondary amine via amination reaction comprising: reacting an alcohol with an amine in the presence of a zeolite comprising a transition metal chosen in the group consisting of Group 8 to 12 elements of the Periodic Table and any combination thereof.
    Type: Application
    Filed: March 10, 2017
    Publication date: March 7, 2019
    Applicant: RHODIA OPERATIONS
    Inventors: Lin FANG, Zhen YAN, Javier DIAZ-MAROTO CARPINTERO
  • Recycling polyamide airbags
    Patent number: 10208205
    Abstract: A composition, in particular for molding, including a mixture of a polyamide material, a powder made from airbag scraps, and optionally a reinforcing filler. Also described, is an article formed from the composition.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: February 19, 2019
    Assignee: RHODIA OPERATIONS
    Inventor: Charlotte Basire
  • Hybrid nanoparticles containing dendrons, methods of producing such hybrid nanoparticles, and uses thereof
    Patent number: 10207919
    Abstract: The present disclosure relates to a hybrid nanoparticle comprising a metallic core and at least one lipophilic dendron attached to the surface of the metallic core, and methods of producing such hybrid nanoparticles. The present disclosure also relates to films containing the hybrid nanoparticles described herein.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: February 19, 2019
    Assignees: Rhodia Operations, Centre National De La Recherche Scientifique, The Trustees of the University of Pennsylvania
    Inventors: Bertrand Donnio, Davit Jishkariani, Benjamin Diroll, Lawrence Alan Hough, Christopher Murray, Matteo Cargnello, Ludivine Malassis
  • Process for forming amine by direct amination reaction
    Patent number: 10207980
    Abstract: Providing a process for forming an amine, such as a primary, a secondary or a tertiary amine, via the direct amination of an alcohol using a catalyst comprising at least a palladium compound on a support comprising cerium oxide.
    Type: Grant
    Filed: November 10, 2014
    Date of Patent: February 19, 2019
    Assignee: RHODIA OPERATIONS
    Inventors: Zhen Yan, Marc Pera Titus, Armin T. Liebens
  • Dish support rack for dishwasher
    Patent number: 10202521
    Abstract: The invention pertains to a dish support rack having outstanding resistance to chemically harsh environments, and possessing improved mechanical properties, said dish support rack comprising a metal wire frame coated with a polyamide composition [composition (C)] comprising: —more than 50% wt of a polyamide [polyamide (A), herein after], more than 50% moles of recurring units of said polyamide complying with formula: —HN—(CH2)6—NH—C(O)—(CH2)8—C(O)— [recurring units (R6,10)], and, optionally: —up to 10% wt of conventional filler(s) and/or additive(s), and to a method for its manufacture.
    Type: Grant
    Filed: March 11, 2015
    Date of Patent: February 12, 2019
    Assignee: Rhodia Operations
    Inventor: Elodie Seignobos
  • Optimized process for extraction of ferulic acid with pretreatment
    Patent number: 10202328
    Abstract: A process for extraction of ferulic acid present in an aqueous phase, obtained by treatment of at least one plant material, and also containing polysaccharides, is described, said process comprising at least the following steps: 1) the treatment of said plant material followed by a solid/liquid separation to recover a solid phase and an aqueous liquid phase comprising the ferulic acid and said polysaccharides, 2) the treatment of said liquid phase to selectively separate, on the one hand, the polysaccharides and, on the other hand, the ferulic acid present in an aqueous fraction, 3) the concentration of said aqueous fraction containing the ferulic acid so as to recover a ferulic acid-concentrated stream, 4) the recovery of the ferulic acid in solid form.
    Type: Grant
    Filed: May 19, 2014
    Date of Patent: February 12, 2019
    Assignee: Rhodia Operations
    Inventors: Denis Revelant, Stephanie Foucher, Dominique Horbez, Philippe Marion
  • Solvent systems for dicyandiamide and/or alkyl thiophosphoric triamide and use in agricultural applications
    Patent number: 10196322
    Abstract: An inhibitor composition contains dicyandiamide as a nitrification inhibitor, alkyl thiophosphoric triamide as a urease inhibitor, or a combination thereof, dissolved in a liquid medium comprising an organic solvent selected from, among others, one or more polar aprotic solvents, including one or more organophosphates, amine solvents, heterocyclic alcohol solvents, and mixtures thereof, is useful in making fertilizer compositions and in a method of fertilizing target plants.
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: February 5, 2019
    Assignee: RHODIA OPERATIONS
    Inventors: Michelle McKnight, Antoine Vielliard, Marivi Ortiz-Suarez, Samantha Armisen, Chloe Moreau
  • Surfactant composition
    Patent number: 10196556
    Abstract: The invention provides a synergistic surfactant composition comprising: (a) from 5 to 95 wt % of a first surfactant which is selected from derivatives of alkyl polyglucosides and mixtures thereof; and (b) from 5 to 95 wt % of a second surfactant which is selected from: amphoteric surfactants, cationic surfactants, anionic surfactants, non-ionic surfactants, and mixtures thereof. This surfactant composition may be used to generate foam that is used for unloading a liquid from a hydrocarbon reservoir. It may be that the liquid unloading of foam generated using the surfactant composition is greater than that of foam generated from the first and second surfactants when they are foamed individually.
    Type: Grant
    Filed: May 21, 2013
    Date of Patent: February 5, 2019
    Assignee: RHODIA OPERATIONS
    Inventors: Kevan Hatchman, Gareth Collins, Chris Jones
  • COPPER CONTAINING CATALYST FOR PREPARATION OF ALIPHATIC AMINES
    Publication number: 20190031595
    Abstract: Provided is a process of reacting an aliphatic alcohol with an aminating agent for obtaining an aliphatic amine, wherein the reaction is carried out in a catalyst comprising from 68 wt % to 100 wt % of a copper oxide and from 0 wt % to 0.1 wt % of a metal co-catalyst, and optionally from 0 wt % to 32 wt % of a catalyst support, weight percentage is based on the total weight of the catalyst.
    Type: Application
    Filed: February 4, 2016
    Publication date: January 31, 2019
    Applicant: RHODIA OPERATIONS
    Inventors: Shengyin YE, Javier DIAZ-MAROTO CARPINTERO
  • MACROPOROUS CATALYST FOR THE PREPARATION OF ALIPHATIC AMINES
    Publication number: 20190031596
    Abstract: A process for the preparation of aliphatic amines, comprises reacting an aliphatic alcohol with an aminating agent in the presence of a catalyst. The catalyst contains copper oxide on a support made of porous alumina, wherein the porous alumina has a volume, corresponding to pores greater than 500 ? in diameter, of from 10 ml/100 g to 95 ml/100 g.
    Type: Application
    Filed: February 4, 2016
    Publication date: January 31, 2019
    Applicant: RHODIA OPERATIONS
    Inventors: Shengyin YE, Javier DIAZ-MAROTO CARPINTERO, Fabien OCAMPO, Philippe LECONTE
  • Composition based on zirconium oxide and on at least one oxide of a rare earth other than cerium, having a specific porosity, processes for preparing same and use thereof in catalysis
    Patent number: 10189010
    Abstract: A composition of zirconium oxide and at least one oxide of a rare earth other than cerium is described. The zirconium oxide has a weight proportion of at least 50% and, after calcination at a temperature of 900° C. for 4 hours, the composition exhibits two populations of pores of which their respective diameters are centered. The diameter of the first pore has a value of from 20 nm to 40 nm and in the second pore has a value of from 80 nm to 200 nm. Further described is how the composition can be used for treating the exhaust gases of internal combustion engines.
    Type: Grant
    Filed: November 21, 2011
    Date of Patent: January 29, 2019
    Assignee: Rhodia Operations
    Inventors: Simon Ifrah, Olivier Larcher
  • Stabilisation of mineral foams
    Patent number: 10183891
    Abstract: The invention relates to a mineral foam stabilized by an association of surfactants comprising: a first surfactant carrying at least one sulfate group; and a second amphoteric surfactant.
    Type: Grant
    Filed: June 20, 2016
    Date of Patent: January 22, 2019
    Assignee: RHODIA OPERATIONS
    Inventors: Jean-Christophe Castaing, Katerina Karegianni, Marie-Pierre Labeau, Arnaud Vanberleere
  • PLASTICIZING COMPOSITION
    Publication number: 20190016873
    Abstract: The invention relates to a plasticizing composition comprising a vinyl chloride resin and a plasticizing agent which comprises at least one diester having the general formula (I), derived from a diacid selected from succinic acid, glutaric acid, adipic acid, ethylsuccinic acid, methylglutaric acid and mixtures thereof wherein: A is a C4 to C6 linear or branched aliphatic chain, and R is an alkyl, a cycloalkyl or an aryl. The plasticizing agent according to the present invention has a good performance for different types of formulations (foam, film and paste). Said plasticizer gels rapidly, has a very low viscosity, and ages very well. Efficient debubblizing is one of the key properties thereof. The foams prepared with said plasticizer have very low densities, a high expansion rate, and excellent qualities.
    Type: Application
    Filed: July 23, 2018
    Publication date: January 17, 2019
    Applicant: Rhodia Operations
    Inventors: Bouchra Rhers, Daniel Martinz
  • Process for oxidation of alcohols using oxygen-containing gases
    Patent number: 10179756
    Abstract: A process of oxidizing an alcohol for the production of its corresponding carbonyl compounds is disclosed, wherein the oxidation is performed with oxygen or gases containing oxygen in the presence of a catalyst comprising at least a gold compound and a copper compound. Said alcohol oxidation by gaseous oxidant can achieve a high yield and selectivity with minimized degradation products or waste organic solvents.
    Type: Grant
    Filed: May 18, 2015
    Date of Patent: January 15, 2019
    Assignees: RHODIA OPERATIONS, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Wenjuan Zhou, Wenhao Fang, Armin T. Liebens
  • Surfactant composition
    Patent number: 10174596
    Abstract: The invention provides a synergistic surfactant composition comprising: (a) a first amphoteric surfactant, which is selected from C8-C22 sultaines, salts thereof, and mixtures thereof; and (b) a second amphoteric surfactant, which is selected from C8-C22 betaines and salts thereof, C8-C22 propionates and salts thereof, and mixtures thereof. This surfactant composition may be used to generate foam that is used for unloading a liquid from a hydrocarbon reservoir. It may be that the liquid unloading of foam generated using the surfactant composition is greater than that of foam generated from the first and second surfactants when they are foamed individually.
    Type: Grant
    Filed: May 21, 2013
    Date of Patent: January 8, 2019
    Assignee: RHODIA OPERATIONS
    Inventors: Kevan Hatchman, Gareth Collins, Chris Jones
  • Solvent systems of N-alkyl thiophosphoric triamides and methods of use in agricultural applications
    Patent number: 10173935
    Abstract: Solvent systems for the formulation of alkyl thiophosphoric triamide urease inhibitors, that provide stable dispersion of alkyl thiophosphoric triamides for even distribution (in low or high concentrations) onto fertilizers containing urea in liquid or solid form.
    Type: Grant
    Filed: December 12, 2012
    Date of Patent: January 8, 2019
    Assignee: RHODIA OPERATIONS
    Inventors: Leahann Iannotta, Rajesh Pazhianur, Krish Murthy Shanmuga, John A. Latting, T. Kent Woodall
  • Process for hydroxylation of aromatic compounds, hydroxylation catalyst and process for preparing same
    Patent number: 10173954
    Abstract: The present invention relates to a process for hydroxylation of a compound of formula (I) by reacting the compound of formula (I) with an oxidizing agent, in the presence of a titanium silicalite zeolite prepared by crystallization preceded by a maturing step. The present invention also relates to a titanium silicalite zeolite and to the process for preparing same.
    Type: Grant
    Filed: May 18, 2017
    Date of Patent: January 8, 2019
    Assignees: Rhodia Operations, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE—C.N.R.S.
    Inventors: Thibaut Corre, Belen Albela, Laurent Bonneviot, Laurent Garel
  • Fabric softener composition
    Patent number: 10174273
    Abstract: The present invention then concerns a fabric softener composition that performs well on softening fabrics, which comprises a blend of amphoteric surfactant carrying a C12-C22-alkyl or C12-C22-alkenyl, a fatty acid or a fatty alcohol, and a polysaccharide or polysaccharide derivative. The invention also concerns the use of said softening composition to impart fabric softness to fabrics.
    Type: Grant
    Filed: November 20, 2014
    Date of Patent: January 8, 2019
    Assignee: Rhodia Operations
    Inventors: Hai Zhou Zhang, Lin He, William Zhan
  • Cerium oxide particles and method for production thereof
    Patent number: 10160658
    Abstract: The present invention relates to cerium oxide particles that have excellent heat resistance especially useful for catalysts, functional ceramics, solid electrolyte for fuel cells, polishing, ultraviolet absorbers and the like, and particularly suitable for use as a catalyst or co-catalyst material, for instance in catalysis for purifying vehicle exhaust gas. The present invention also relates to a method for preparing such cerium oxide particles, and a catalyst, such as for purifying exhaust gas, utilizing these cerium oxide particles.
    Type: Grant
    Filed: November 10, 2015
    Date of Patent: December 25, 2018
    Assignee: Rhodia Operations
    Inventors: Naotaka Ohtake, Mitsuhiro Okazumi, Fabien Ocampo
  • Controlled radical polymerization in water-in-water dispersion
    Patent number: 10160821
    Abstract: The present invention relates to a method for preparing an aqueous dispersion of water-soluble polymers, which comprises a step (E) of radical polymerization, wherein the following are brought into contact in an aqueous medium (M) in which the synthesized polymer is not soluble: at least one ethylenically unsaturated monomer which is soluble in the aqueous medium (M); at least one source of free radicals; and a reactive stabilizer which comprises: a polymer chain (CP) which is soluble in the medium (M), a group (G) providing the radical polymerization of step (E) with a living and controlled nature, such as, for example, a group carrying a thiocarbonylthio —S(C?S)— group.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: December 25, 2018
    Assignee: Rhodia Operations
    Inventors: Mathias Destarac, David James Wilson, Silvia Stoilova