Patents Assigned to Rhodia Operations
  • 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
  • Publication number: 20220127523
    Abstract: The present disclosure provides polymeric systems that exhibit enhanced viscosity and proppant transport properties while providing enhanced particle dispersion capabilities.
    Type: Application
    Filed: October 1, 2021
    Publication date: April 28, 2022
    Applicant: RHODIA OPERATIONS
    Inventors: Genyao Lin, Christopher Smith, Hoang Van Le, Qi Qu
  • Patent number: 11312894
    Abstract: The present invention relates to the use of a combination of block polymers and particular compositions in a fluid injected under pressure into an oil-bearing rock, where: the fluid comprises solid particles and/or is brought into contact with solid particles within the oil-bearing rock following the injection thereof, the combination comprises (i) a polymer comprising: —a first block that is adsorbed on at least a portion of the particles; and —a second block, having a composition different from that of the first, and having a weight-average molecular weight of greater than 10 000 g/mol, for example greater than 100 000 g/mol, and that is soluble in the fluid; (ii) particles suitable for providing a gas barrier effect, preferably a latex and/or silica particles.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: April 26, 2022
    Assignee: RHODIA OPERATIONS
    Inventor: Arnaud Cadix
  • Patent number: 11306036
    Abstract: 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: Grant
    Filed: July 5, 2017
    Date of Patent: April 19, 2022
    Assignee: RHODIA OPERATIONS
    Inventors: Zixian Chen, Krish Murthy Shanmuga
  • Publication number: 20220098476
    Abstract: A modified phosphor is described comprising phosphor particles and at least one amphiphilic agent. Compositions comprising the modified phosphor and at least one polymer are also described.
    Type: Application
    Filed: October 5, 2021
    Publication date: March 31, 2022
    Applicant: RHODIA OPERATIONS
    Inventors: Valérie Buissette, Franck Aurissergues, Thierry Le Mercier
  • Patent number: 11286422
    Abstract: The silicate of magnesium and of barium, strontium or calcium of the invention is characterized in that it is in the form of a suspension of solid crystallized particles in a liquid phase, said particles having a mean size between 0.1 ?m and 1 ?m. It is prepared by spray-drying a liquid mixture comprising compounds of magnesium, of silicium and of at least one first element chosen from barium, strontium and calcium, by submitting the dried mixture to a first calcination in air and to a second calcination in a reducing atmosphere and by wet milling the calcined mixture.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: March 29, 2022
    Assignee: RHODIA OPERATIONS
    Inventors: Valérie Buissette, Franck Aurissergues, Thierry Le-Mercier
  • Patent number: 11284558
    Abstract: A seed or seedling is coated with a cross-linked biopolymer and, optionally, a second binder selected from underivatized guar, cationic hydroxypropyl guar, polyacrylamide, poly(methacrylic acid), poly(acrylic acid), polyacrylate, poly(ethylene glycol), polyethyleneoxide, 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 seed coating composition is characterized by a dust value, as measured using a Heubach dustmeter device, which is lower by at least 30% as compared to an analogous composition that does not contain the crosslinked biopolymer.
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: March 29, 2022
    Assignee: RHODIA OPERATIONS
    Inventors: Clara Vernay, Jean-Christophe Castaing, Zhiyun Chen, Thierry Vidal
  • Publication number: 20220089937
    Abstract: The instant invention concerns the use of a compound of formula R1R2N—(CH2)m?NR3—(CH2)m??NR4R5 wherein each of m and m? is 1, 2, 3 or 4; and each of R1, R2, R3, R4 and R5 is a group of formula —[O—CH2—CH(—CH3)—]n—[O—CH2—CH2]p—OH, wherein n is from 2 to 30; and p is from 5 to 50 for decreasing or inhibiting the anionic-surfactant retention phenomena in an oil reservoir.
    Type: Application
    Filed: December 18, 2019
    Publication date: March 24, 2022
    Applicants: RHODIA OPERATIONS, IFP Energies Nouvelles
    Inventors: Mikel Morvan, Max Chabert, Sayak Roy
  • Patent number: 11266059
    Abstract: Provided is a seed treatment method, using a composition that may be obtained extemporaneously by mixing at least one powder substance and an aqueous medium. The seed treatment method may include producing the mixture in an automatic and cyclic manner, in at least one first vessel, by introducing into same first at least a portion of the aqueous medium and next the powder substance, the latter being sucked into the aqueous medium in the vessel by a vacuum created in the vessel, at least partially draining the content of the vessel, by at least one blast of compressed gas in the vessel, to a seed treatment device where the mixture may be brought into contact with the seeds.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: March 8, 2022
    Assignee: RHODIA OPERATIONS
    Inventors: Chenglu David, Patrick Ferlin, Carole Lechartier, Patrick Phelippeau
  • Patent number: 11267781
    Abstract: Method (M) for the preparation of an end compound from an internal ketone, said method comprising: —synthesizing the internal ketone by a process (P) for the decarboxylative ketonization of a fatty acid, a fatty acid derivative or a mixture thereof in a liquid phase with a metal compound as catalyst in the substantial absence of added solvent, wherein the fatty acid, fatty acid derivative or mixture thereof is added in sequential steps, the first step taking place at a temperature sequentially at a temperature from 100° C. to 270° C., —causing the internal ketone to react in accordance with a single or multiple chemical reaction scheme involving at least one reagent other than the internal ketone, wherein at least one product of the chemical reaction scheme is the end compound that is not further caused to be chemically converted into another compound.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: March 8, 2022
    Assignee: RHODIA OPERATIONS
    Inventors: Olivier Back, Rémy Leroy, Philippe Marion
  • Patent number: 11267923
    Abstract: The present invention relates to a process for preparing a polymer with a mass Mw of less than 300 000 g/mol (especially between 1000 and 300 000 g/mol), comprising a step (E) of controlled radical polymerization in which the following are placed in contact in an aqueous medium in which are dispersed surfactant micelles: ethylenically unsaturated hydrophilic monomers predominantly present in the aqueous medium; partially water-soluble ethylenically unsaturated hydrophobic monomers different from the preceding monomers, at least partly present in the surfactant micelles, and having a solubility in the aqueous medium at least equal to that of hexyl acrylate; at least one radical polymerization initiator; and at least one radical polymerization control agent.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: March 8, 2022
    Assignee: RHODIA OPERATIONS
    Inventors: Simon Harrisson, James Wilson
  • Patent number: 11261531
    Abstract: Provided herein is a method for pretreating aluminum materials, particularly aluminum wheels, wherein an aluminum material is successively i) cleaned and subsequently rinsed, ii) optionally subjected to alkaline pickling and subsequently rinsed, iii) optionally contacted with an aqueous composition comprising at least one mineral acid, iv) optionally rinsed and v) contacted with an acidic aqueous composition comprising a) at least one compound selected from the group consisting of titanium, zirconium and hafnium compounds and b) at least one linear terpolymer prepared by controlled radical polymerisation and comprising vinylphosphonic acid monomeric units, hydroxylethyl- and/or hydroxylpropyl-(meth)acrylate monomeric units and (meth)acrylic acid monomeric units, vi) optionally rinsed, vii) optionally contacted with another aqueous composition, viii) optionally rinsed and ix) optionally dried.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: March 1, 2022
    Assignees: CHEMETALL GMBH, RHODIA OPERATIONS
    Inventors: Lars Sebralla, Nawel Souad Khelfallah, Manfred Walter, Marie-Pierre Labeau, Guillaume Gody
  • Publication number: 20220046916
    Abstract: Herbicidal compositions including mixed amine oxides and aminophosphate or aminophosphonate salts, in particular, to herbicidal compositions including 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: Application
    Filed: October 26, 2021
    Publication date: February 17, 2022
    Applicant: RHODIA OPERATIONS
    Inventors: THOMAS RUCH, Paul GIOIA, Renato MONTEROSSO, Krish SHANMUGA
  • Publication number: 20220041917
    Abstract: The present invention relates to a method of inhibiting or control wax formation during stimulation treatment of a well. More specifically, the present invention proposes the use of aqueous polymer dispersions suitable as wax inhibitor compositions which are compatible with aqueous fracturing fluids.
    Type: Application
    Filed: September 27, 2019
    Publication date: February 10, 2022
    Applicant: RHODIA OPERATIONS
    Inventors: Pierre-Emmanuel Dufils, David James Wilson, Zongming Xiu, Jia Zhou