Patents Assigned to Rhodia Operations
  • Patent number: 11427788
    Abstract: The present invention relates to a composition, in particular, a fabric conditioning composition, comprising at least a quaternary ammonium compound, a cationic polysaccharide and a nonionic polysaccharide. In particular, the quaternary ammonium compound is a biodegradable quaternary ammonium compound. The composition has excellent softening performance and improved perfume longevity.
    Type: Grant
    Filed: January 15, 2015
    Date of Patent: August 30, 2022
    Assignee: RHODIA OPERATIONS
    Inventors: Hai Zhou Zhang, Nikolay Christov, Da Wei Jin
  • Patent number: 11427789
    Abstract: The present invention relates to a composition, in particular, a fabric conditioning composition, comprising at least a quaternary ammonium compound, a cationic polysaccharide, a nonionic polysaccharide and a fragrance material or perfume. In particular, the quaternary ammonium compound is a biodegradable quaternary ammonium compound. The composition has excellent softening performance and improved perfume longevity.
    Type: Grant
    Filed: January 15, 2015
    Date of Patent: August 30, 2022
    Assignee: RHODIA OPERATIONS
    Inventors: Hai Zhou Zhang, Nikolay Christov, Da Wei Jin
  • Patent number: 11426718
    Abstract: The present invention relates to cerium oxide particles that have excellent heat resistance and/or pore volume 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 cocatalyst 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: May 17, 2017
    Date of Patent: August 30, 2022
    Assignee: RHODIA OPERATIONS
    Inventors: Naotaka Ohtake, Fabien Ocampo, Rui Miguel Jorge Coelho Marques
  • Patent number: 11419330
    Abstract: An adjuvant composition for modifying the spray properties of an aqueous pesticide composition contains (a) at least one fatty deposition control agent, and (b)(ii) a liquid medium, one or more hydrotropes, and, optionally one or more surfactants, or (b)(ii) one or more surfactants, and adjuvant compositions for modifying the spray properties of an aqueous pesticide composition contains (c) at least one deposition control agent, and (d)(ii) a liquid medium, one or more hydrotropes, and, optionally one or more surfactants, or (d)(ii) one or more surfactants, and use thereof in agricultural applications.
    Type: Grant
    Filed: January 25, 2017
    Date of Patent: August 23, 2022
    Assignee: RHODIA OPERATIONS
    Inventors: Rajesh Goyal, Krish Shanmuga
  • Patent number: 11421147
    Abstract: An aqueous formulation for enhanced oil recovery may include at least one surfactant and at least one associative polymer. The associative polymer may be obtained by micellar radical polymerization by bringing into contact, in an aqueous medium, hydrophilic monomer dissolved in the aqueous medium, hydrophobic monomers in the form of a micellar solution, at least one radical polymerization initiator, and preferably at least one radical polymerization control agent.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: August 23, 2022
    Assignee: RHODIA OPERATIONS
    Inventors: Vincent Miralles, Mikel Morvan, David-James Wilson
  • Patent number: 11407881
    Abstract: The invention relates to a process for the preparation of a novel precipitated silica, wherein: a silicate is reacted with an acidifying agent, so as to obtain a silica suspension; said silica suspension is filtered, so as to obtain a filter cake; said filter cake is subjected to a liquefaction operation, optionally in the presence of an aluminium compound; wherein at least one polycarboxylic acid is added to the filter cake, during or after the liquefaction operation. It also relates to a novel precipitated silica and to its uses.
    Type: Grant
    Filed: February 12, 2015
    Date of Patent: August 9, 2022
    Assignee: RHODIA OPERATIONS
    Inventors: Cédric Boivin, Laurent Guy, Eric Perin, Kilani Lamiri
  • Patent number: 11401228
    Abstract: The invention relates to a process for preparing an ?-methylene ketone comprising the step of reacting a ketone with formaldehyde in the presence of a catalyst which is an organic compound comprising at least one acid function or the corresponding salt, ester or amide thereof and at least one amine function or the corresponding ammonium salt, or a zwitterion thereof.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: August 2, 2022
    Assignee: RHODIA OPERATIONS
    Inventor: Olivier Back
  • Publication number: 20220235200
    Abstract: A modified silica comprising organic molecules absorbed on the surface of a precipitated silica is provided. The modified silica is particularly suitable for use as filler in elastomeric mixtures as it provides improvement in the processing of the silica/elastomer mixtures. A process for preparing the precipitated silica is also provided.
    Type: Application
    Filed: April 15, 2022
    Publication date: July 28, 2022
    Applicant: RHODIA OPERATIONS
    Inventors: Pascaline Garbey, Philippe Marion, Matthieu Corbet, Frédéric Colbeau-Justin, Thomas Galeandro-Diamant
  • Patent number: 11395792
    Abstract: An oral care composition including an amphoteric surfactant or betaine, a copolymer, and an orally acceptable cationic antibacterial agent; and methods of using the oral care composition.
    Type: Grant
    Filed: June 4, 2020
    Date of Patent: July 26, 2022
    Assignee: RHODIA OPERATIONS
    Inventors: Juie Tanavade, Marivi Ortiz-Suarez, Alexandre Graet, Laurianne Timbart
  • Publication number: 20220227895
    Abstract: The present invention relates to a process of a process for preparation of a polymer dispersion comprising a step (E) of free radical polymerization in an aqueous medium (M) in the presence of: at least a pre-polymer (pO) soluble in the medium (M), at least one free-radical polymerization initiator, and at least one ethylenically unsaturated hydrophobic monomer (m) which is chosen from an alkyl (meth)acrylate of at least C6, wherein the aqueous medium (M) includes water and at least one water miscible solvent.
    Type: Application
    Filed: April 7, 2022
    Publication date: July 21, 2022
    Applicant: RHODIA OPERATIONS
    Inventors: Pierre-Emmanuel Dufils, David James Wilson, Kevan Hatchman
  • Patent number: 11384278
    Abstract: An aqueous formulation for enhanced oil recovery may include at least one surfactant and at least one associative polymer. The associative polymer may be obtained by micellar radical polymerization by bringing into contact, in an aqueous medium, hydrophilic monomer dissolved in the aqueous medium, hydrophobic monomers in the form of a micellar solution, at least one radical polymerization initiator, and preferably at least one radical polymerization control agent.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: July 12, 2022
    Assignee: RHODIA OPERATIONS
    Inventors: Vincent Miralles, Mikel Morvan, David-James Wilson
  • Patent number: 11384315
    Abstract: The present invention relates to a copolymer comprising units of type A deriving from carboxylic acid monomers and units of type B deriving from sulfonic acid monomers, said units of type A and B representing more than 80 mol % of the total moles of units in the copolymer, characterized in that it comprises at least: —one first block formed of at least 95 mol % of units of type A and having a degree of polymerization DP1 comprised between 5 and 150; and —one second block formed of at least 95 mol % of units of type A and B with a molar ratio of units of type A to units of type B greater or equal to 1, wherein said units of type A and units of type B are statistically distributed, said second block having a degree of polymerization DP2 such that DP2/DP1?1. It also relates to new detergent compositions comprising such a copolymer, and to the use of this copolymer in a detergent composition, especially an ADW composition, to prevent, limit or eliminate the filming phenomena.
    Type: Grant
    Filed: January 20, 2015
    Date of Patent: July 12, 2022
    Assignee: RHODIA OPERATIONS
    Inventors: Céline Orizet, David James Wilson, Julie Clavier, Eric Van Gramberen
  • Patent number: 11375715
    Abstract: The present disclosure provides 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; and at least one non-ionic surfactant selected from the group consisting of low hydrophilic-lipophilic balance (HLB) non-ionic surfactants with a delocalized electronic structure that have moderate to poor water solubility. This composition when applied to a surface demonstrates good cleaning ability and provides robust long lasting disinfection.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: July 5, 2022
    Assignee: RHODIA OPERATIONS
    Inventors: Amit Sehgal, Tamara Mamistvalova, Amanda Torres, Celine Burel, Kamel Ramdani
  • Patent number: 11357228
    Abstract: Herbicidal compositions comprising mixed amine oxides and aminophosphate or aminophosphonate salts, in particular, to herbicidal compositions comprising mixed amine oxides and high-load aminophosphate or aminophosphonate potassium salts, wherein the composition has low temperature stability (i.e., no or unobservable crystal formation) among other beneficial properties.
    Type: Grant
    Filed: August 11, 2016
    Date of Patent: June 14, 2022
    Assignee: RHODIA OPERATIONS
    Inventors: Thomas Ruch, Paul Gioia, Renato Monterosso, Krish Shanmuga
  • Publication number: 20220169911
    Abstract: This invention relates to the field of techniques for treating subterranean formations with gels during an oil or gas exploration or production operation, i.e., during drilling, completion, or hydraulic fracking processes. The invention relates in particular to a system making it possible to limit or even inhibit the phenomena known as loss of fluids (wager and/or gas) in an underground formation, particularly in a zone where the temperature is high. More particularly, the invention relates to a suspension (S) comprising: an aqueous phase containing salts; and within said aqueous phase, particles (p) based on associative polymers (P).
    Type: Application
    Filed: March 3, 2020
    Publication date: June 2, 2022
    Applicant: RHODIA OPERATIONS
    Inventors: Arnaud Cadix, David James Wilson
  • Patent number: 11345845
    Abstract: The present invention relates to the use of a sequenced polymer as an agent for monitoring the filtrate and the rheology of a fluid injected under pressure into an oil rock, wherein the fluid comprises solid particles and/or is brought into contact with solid particles within the oil rock after being injected, the polymer comprising: a first block which is adsorbed onto at least some of the particles; and a second block having a composition other than that of the first block and a mean molecular weight of more than 10,000 g/mol, for example more than 100,000 g/mol, and which is soluble in the fluid.
    Type: Grant
    Filed: May 12, 2020
    Date of Patent: May 31, 2022
    Assignee: RHODIA OPERATIONS
    Inventors: Arnaud Cadix, David James Wilson
  • Publication number: 20220154030
    Abstract: A seed or seedling is coated with underivatized guar, cationic hydroxypropyl guar, polyacrylamide, poly(methacrylic acid), poly(acrylic acid), polyacrylate, poly(ethylene glycol), polyethyleneoxide, poly(vinyl alcohol), polyglycerol, polytetrahydrofuran, polyamide, hydroxypropyl guar, carboxymethyl guar, carboxymethylhydroxypropyl guar, underivatized starch, cationic starch, corn starch, wheat starch, rice starch, potato starch, tapioca, waxy maize, sorghum, waxy sarghum, sago, dextrin, chitin, chitosan, xanthan gum, carageenan gum, gum karaya, gum arabic, pectin, cellulose, hydroxycellulose, hydroxyalkyl cellulose, hydroxyethyl cellulose, carboxymethylhydroxyethyl cellulose, or hydroxypropyl cellulose, the coated seed or seedling having a shelf-life at room temperature in ambient conditions in an unsealed container to at least two months.
    Type: Application
    Filed: February 1, 2022
    Publication date: May 19, 2022
    Applicant: RHODIA OPERATIONS
    Inventors: Zhiyun Chen, Jean-Christophe Castaing, Peng Fei Ji, Galder Cristobal
  • Patent number: 11332697
    Abstract: The present invention relates to a composition comprising: (a) a bis-(2-hydroxypropyl)-dimethylammonium methyl-sulphate fatty acid ester having an average chain length of the fatty acid moieties of from 12 to 30 carbon atoms; (b) a cationic poly saccharide; and (c) a nonionic polysaccharide. The present invention also relates to the method of use of the composition.
    Type: Grant
    Filed: January 27, 2016
    Date of Patent: May 17, 2022
    Assignee: RHODIA OPERATIONS
    Inventors: Hai Zhou Zhang, Nikolay Christov, Da Wei Jin, Lin He
  • Publication number: 20220145167
    Abstract: The invention relates to a composition C which comprises, in an aqueous medium M: surfactants suitable for creating a foam in the presence of a gas; and polymers P based on acrylamide or acrylamido units, having a molecular mass of 1,000,000 to 20,000,000 g/mol; or: composition C has a viscosity of less than 6 mPa·s; and the content of polymer P is greater than the concentration limit beyond which the apparent viscosity of a foam obtained from composition C is greater by at least 10% than the apparent viscosity of a foam obtained from the same composition but deprived of polymers. The invention further relates to the use of these compositions as foaming compositions for EOR.
    Type: Application
    Filed: February 14, 2020
    Publication date: May 12, 2022
    Applicants: RHODIA OPERATIONS, IFP Energies Nouvelles
    Inventors: Eloise Chevallier, Mikel Morvan, Vincent Miralles
  • Patent number: 11326085
    Abstract: Provided herein are friction reducer formulations including a formate salt and an inverting surfactant, and methods of manufacturing such formulations. Methods of using the friction reducer formulations, such as for treating subterranean formations, are also provided.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: May 10, 2022
    Assignee: RHODIA OPERATIONS
    Inventors: Fulya Sudur Zalluhoglu, Qing Wang, Lanka Wickramasinghe Arachchilage, Minh Le, Jian Zhou