Patents Assigned to Rhodia Operations
  • Patent number: 11871746
    Abstract: The present invention provides a method for increasing the growth of a plant by contacting a seed of the plant with a composition comprising a cationic guar having an average molecular weight of between 2,000 Daltons and 90,000 Daltons. The present invention also provides a seed treated with a cationic guar having an average molecular weight of between 2,000 Daltons and 90,000 Daltons.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: January 16, 2024
    Assignee: RHODIA OPERATIONS
    Inventors: Peng Fei Ji, Jean-Christophe Castaing, Marie-Pierre Labeau
  • Patent number: 11866835
    Abstract: The present invention relates to an electrochemical method for converting an amino acid and/or its salts to an amine and/or a nitrile. The total yield and selectivity of amine and nitrile obtained by the method according to the present invention is higher than prior art when the reaction medium has a high concentration of amino acid and/or its salts at the beginning of the reaction.
    Type: Grant
    Filed: November 25, 2019
    Date of Patent: January 9, 2024
    Assignee: RHODIA OPERATIONS
    Inventors: Renate Schwiedernoch, Fan Jiang, Stephane Streiff, Pascal Metivier, Dominique Horbez
  • Publication number: 20230416182
    Abstract: The present invention relates to a process for preparing frambione, comprising a step of condensing phenol and glyoxylic acid.
    Type: Application
    Filed: December 1, 2021
    Publication date: December 28, 2023
    Applicant: RHODIA OPERATIONS
    Inventor: Valéry Dambrin
  • Patent number: 11845915
    Abstract: A method for enhancing the detergent properties of enzymes of an enzyme-containing detergent composition, comprising the step of adding to said composition an amphoteric polysaccharide.
    Type: Grant
    Filed: July 24, 2017
    Date of Patent: December 19, 2023
    Assignee: RHODIA OPERATIONS
    Inventors: Florence Lambert, Gilda Lizarraga, Haizhou Zhang
  • Publication number: 20230398046
    Abstract: A structured surfactant blend comprising a first and second anionic surfactant and amphoteric surfactant can form a liquid crystal structure. A sulfate-free aqueous personal cleansing composition comprising the same comprises high level of oil without sacrificing the quality and quantity of foam or lather.
    Type: Application
    Filed: October 15, 2020
    Publication date: December 14, 2023
    Applicant: RHODIA OPERATIONS
    Inventors: Haizhou Zhang, Dawei Jin, Qingrong Song
  • Publication number: 20230397606
    Abstract: The present invention relates to a water-soluble concentrate composition comprising a phenoxy acid herbicide or the salts thereof and an in-built adjuvant composition. The water-soluble concentrate composition has favorable low temperature stability and wetting performance as well as favorable bioefficacy.
    Type: Application
    Filed: October 16, 2020
    Publication date: December 14, 2023
    Applicant: RHODIA OPERATIONS
    Inventors: Marc Balastre, Sandeep Thakur, Krishna Vasu, Ritu Ahuja
  • Publication number: 20230374336
    Abstract: The instant invention concerns the use of at least one polymer P obtained by radical copolymerization of a mixture of (i) acrylic acid; (ii) optionally methacrylic acid; and (iii) at least one ethylenically unsaturated monomer carrying an unsaturated heterocycle having at least two nitrogen atoms, said monomer being preferably an ethylenically unsaturated imidazole, for treating a metallic surface for treating a metallic surface intended to be coated by a paint, a varnish or an adhesive, for example intended to be adhesive-bonded to another surface, in order to impart a resistance to the adhesive failure to the resulting bonding.
    Type: Application
    Filed: October 1, 2021
    Publication date: November 23, 2023
    Applicant: RHODIA OPERATIONS
    Inventors: Guillaume Gody, Marie-Pierre Labeau, Vinayak Valodkar, Rakhi Sood, Manali Motiwale, Xavier Ivan Jérôme Revest, Cindy Granier, Justine Layec
  • Publication number: 20230373896
    Abstract: The present invention relates to a method for purifying a liquid medium comprising ferulic acid, a solvent and at least one impurity, the method comprising a step (a) of bringing the liquid medium into contact with a first complexing agent so as to obtain a first precipitate P1 and a liquid medium C1, and a step (b) of separating the first precipitate P1 from the liquid medium C1 so as to obtain a liquid medium F1 comprising purified ferulic acid. The present invention also relates to a method for separating ferulic acid oligomers and to their use as a scavenger of free radicals or radical species, in particular as a polymerisation inhibitor, antioxidant or UV stabiliser.
    Type: Application
    Filed: September 30, 2021
    Publication date: November 23, 2023
    Applicant: RHODIA OPERATIONS
    Inventors: Laurent Garel, Tiago Alves Mendes
  • Publication number: 20230374666
    Abstract: The instant invention concerns the use of at least one polymer P obtained by radical copolymerization of a mixture of (i) acrylic acid; (ii) methacrylic acid; and (iii) at least one monomer of formula: for treating a metallic surface intended to be coated by a paint, a varnish or an adhesive, for example intended to be adhesive-bonded to another surface, in order to impart a resistance to the adhesive failure to the resulting bonding.
    Type: Application
    Filed: October 1, 2021
    Publication date: November 23, 2023
    Applicant: RHODIA OPERATIONS
    Inventors: Guillaume Gody, Marie-Pierre Labeau, Cindy Granier, Justine Layec
  • Publication number: 20230357629
    Abstract: Water-in-oil emulsions are provided that include an alkyl propylene diamine and an ethoxylated alcohol as the inverting surfactant, which is present in an amount less than 5 percent by weight of the water-in-oil emulsion.
    Type: Application
    Filed: June 9, 2020
    Publication date: November 9, 2023
    Applicant: RHODIA OPERATIONS
    Inventors: Stanley Gunawan, Zhihua Zhang, Shaopeng Zhang, Igor Pimkov, Zhenxing Cheng, Qi Qu
  • Patent number: 11807780
    Abstract: Disclosed is an aqueous coating composition including at least one latex polymer derived from at least one monomer copolymerized or blended with a rhamnolipid and/or sophorolipid biosurfactant, which in one embodiment is a mono-rhamnolipid. Also provided is an aqueous architectural coating composition including at least one latex polymer derived from at least one monomer copolymerized or blended with a biosurfactant, at least one pigment, and water.
    Type: Grant
    Filed: November 1, 2019
    Date of Patent: November 7, 2023
    Assignee: RHODIA OPERATIONS
    Inventors: Laura Gage, Denis Bendejacq, Homayoun Jamasbi
  • Publication number: 20230340306
    Abstract: The instant invention concerns the use of at least one polymer P obtained by radical copolymerization of a mixture of (i) acrylic acid; (ii) methacrylic acid; and (iii) at least one 2-hydroxyethyl methacrylate phosphate for treating a metallic surface intended to be adhesive-bonded to another surface, in order to impart a resistance to the adhesive failure to the resulting bonding.
    Type: Application
    Filed: May 10, 2021
    Publication date: October 26, 2023
    Applicant: RHODIA OPERATIONS
    Inventors: Guillaume Gody, Marie-Pierre Labeau
  • Patent number: 11795119
    Abstract: An inhibitor composition contains alkyl thiophosphoric triamide (or a mixture of alkyl thiophosphoric triamide and dicyandiamide), dissolved in a liquid medium comprising at least one organic solvent, at least one amine stabilizer and, optionally, at least one dye and/or at least one odor masking agent, is useful in making fertilizer compositions and in a method of fertilizing target plants.
    Type: Grant
    Filed: March 12, 2021
    Date of Patent: October 24, 2023
    Assignee: RHODIA OPERATIONS
    Inventors: Hong Liu, Jiamin Wu, Andre Gomes, Krish Shanmuga, Zhiyun Chen
  • Patent number: 11779533
    Abstract: The invention relates to a method for mending split ends of hair comprising contacting the hair with split ends with a composition comprising at least one non-cellulosic polysaccharide derivative containing at least one cationic group, wherein said non-cellulosic polysaccharide derivative has a cationic degree of substitution DScat greater than 0.15.
    Type: Grant
    Filed: October 3, 2017
    Date of Patent: October 10, 2023
    Assignee: RHODIA OPERATIONS
    Inventor: Katerina Karagianni
  • Publication number: 20230312822
    Abstract: A mixture of two alkoxylates surfactants, one being an aryl aliphatic carbinol alkoxylate, the other one being a dialiphatic carbinol alkoxylate, said mixture being useful for stabilizing emulsions and dispersions used in agricultural or pharmaceutical formulations. The alkoxylates surfactants may serve as substitutes for nonylphenol ethoxylates (NPE) and tristyrylphenol ethoxylates (TSE).
    Type: Application
    Filed: June 8, 2023
    Publication date: October 5, 2023
    Applicant: RHODIA OPERATIONS
    Inventors: Olivier Back, Valerio Bramati
  • Patent number: 11773053
    Abstract: The present invention concerns new cationic quaternary ammonium compounds which exhibit excellent adsorption properties on negatively charged surfaces. These ones can notably be obtained firstly by reacting an internal ketone with a twin-tail amine under reductive amination conditions to obtain a twin tail triamine, then subjecting the twin tail triamine to a quaternization reaction. They can also obtained be obtained by the quaternization reaction of a certain diamine.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: October 3, 2023
    Assignee: RHODIA OPERATIONS
    Inventors: Olivier Back, Bing Hong, Matthieu Guirardel
  • Patent number: 11753362
    Abstract: The present invention relates to a method of synthesizing at least one organic acid comprising oxidizing glycolaldehyde with nitric acid in the presence of a solvent. Advantageously, it is an industrially applicable process, which prepares organic acid, notably glycolic acid and/or glyoxylic acid in a high yield based on bio-based feedstocks.
    Type: Grant
    Filed: June 4, 2019
    Date of Patent: September 12, 2023
    Assignee: RHODIA OPERATIONS
    Inventors: Zhen Yan, Bright Kusema, Sergio Mastroianni, Stéphane Streiff, Philippe Marion
  • Publication number: 20230234034
    Abstract: The present invention relates to a mixed oxide of aluminium, of zirconium, of cerium, of lanthanum and optionally of at least one rare-earth metal other than cerium and lanthanum that makes it possible to repair a catalyst that retains, after severe ageing, a good thermal stability and a good catalytic activity. The invention also relates to the process for preparing this mixed oxide and also to a process for treating exhaust gases from internal combustion engines using a catalyst prepared from this mixed oxide.
    Type: Application
    Filed: May 16, 2021
    Publication date: July 27, 2023
    Applicant: RHODIA OPERATIONS
    Inventors: Naotaka Ohtake, Toshihiro Sasaki, Kaoru Nishimura
  • Patent number: 11708525
    Abstract: Methods of acidizing a subterranean formation penetrated by a wellbore that include the steps of (a) injecting into the wellbore at a pressure below subterranean formation fracturing pressure a treatment fluid having a first viscosity and including an aqueous acid and a gelling agent selected from the group consisting of Formulas I-XI and combinations thereof; (b) forming at least one void in the subterranean formation with the treatment fluid; and (c) allowing the treatment fluid to attain a second viscosity that is greater than the first viscosity.
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: July 25, 2023
    Assignee: RHODIA OPERATIONS
    Inventors: Rose Ndong, Olivier Back, Pascal Herve, Jian Zhou
  • Patent number: 11708317
    Abstract: The present invention pertains to a process for the cross-ketonization (Piria reaction) between an aryl carboxylic acid and an aliphatic carboxylic acid using a metal-based compound and a slight or a moderate excess of aryl carboxylic acid. A good selectivity, up to 99 mol %, can be achieved. The aryl aliphatic ketone can be used for the preparation of surfactants and other downstream products.
    Type: Grant
    Filed: December 22, 2020
    Date of Patent: July 25, 2023
    Assignee: RHODIA OPERATIONS
    Inventors: Olivier Back, Philippe Marion