Patents Assigned to Rhodia Chimie
  • Patent number: 8367812
    Abstract: The synthesis of purified functionalized organosilicon compounds containing at least one active azo group having formula (I): [(G0)3SiO1/2]m[(G0)2SiO2/2]n[G0SiO3/2]o[SiO4/2]p[(G2)a(G1)a?(Z—CO—HN?NH—CO-A)SiO(3-a-a?)/2] entails providing at least one hydrazino (—HN—NH—) precursor (II) of the compound (I) and oxidizing the precursor (II) into an azo group specific to the compound (I) with the aid of an oxidizing system comprising at least one oxidant (Ox) and at least one base (B), wherein 1) Ox is selected from among the oxidants that can oxidize a hydrazine function into an azo function, with or without the exclusion of N-bromosuccinimide (NBS), 2) and/or Ox (optionally B) is/are employed in stoichiometric quantities in relation to the precursor (II); 3) and/or the organosilicon compounds (I) thus prepared are subjected to a purification post-treatment to eliminate any unwanted residues of the base B used, with the proviso that, when NBS is not excluded, characteristic (1) is combined with characteristic (2) a
    Type: Grant
    Filed: May 16, 2006
    Date of Patent: February 5, 2013
    Assignee: Rhodia Chimie
    Inventor: Sébastien Sterin
  • Patent number: 8357724
    Abstract: The invention concerns a process for controlling the stability or the droplets sized of simple water-in-oil emulsions, wherein a di-block or tri-block copolymer is used. A block is a hydrophilic block, the other block is a hydrophobic block. The invention concerns also a stabilized water-in-oil emulsion.
    Type: Grant
    Filed: May 16, 2006
    Date of Patent: January 22, 2013
    Assignee: Rhodia Chimie
    Inventors: Sophie Deroo, Mikel Morvan
  • Patent number: 8343520
    Abstract: The present invention relates to novel cosmetic compositions, more particularly for treating the skin or the hair, comprising an ampholytic artificial copolymer. The invention also relates to the use of the polymer in cosmetic compositions. The polymer comprises units derived from a polycationic monomer and units derived from a monomer of acidic nature.
    Type: Grant
    Filed: December 22, 2004
    Date of Patent: January 1, 2013
    Assignee: Rhodia Chimie
    Inventors: Aline Seigneurin, Carole Foucault
  • Patent number: 8334334
    Abstract: The invention relates to the use of a silica having a BET specific surface of at least 60 m2/g for increasing the rigidity of a thermoplastic polymeric material while maintaining i.e. improving its impact resistance. The silica used is of the type obtained according to a method involving the drying of a silica suspension obtained by reacting a silicate with an acidulant according to the following successive steps: (i) forming an aqueous starter having a pH between 2 and 5; (ii) simultaneously adding silicate and the acidulant while keeping the pH between 2 and 5; (iii) continuing with only the addition of silicate until a pH between 7 and 10 has been reached; (iv) simultaneously adding silicate and acidulant while keeping the pH of the reaction medium between 7 and 10, and; (v) continuing with only the addition of the acidulant until a pH value lower than 6 has been obtained. The invention also relates to the materials obtained within this scope.
    Type: Grant
    Filed: December 27, 2005
    Date of Patent: December 18, 2012
    Assignee: Rhodia Chimie
    Inventors: Yves Bomal, Antoine Guiu
  • Publication number: 20120289438
    Abstract: Drilling fluids comprising polymers containing hydroxylated structural units are useful as accretion inhibiting agents, and/or as fluid rheology controlling agents, and/or as filtrate reducing agents, and/or as lubricating agents.
    Type: Application
    Filed: July 25, 2012
    Publication date: November 15, 2012
    Applicant: RHODIA CHIMIE
    Inventors: Katerina KARAGIANNI, Marie-Pierre LABEAU, Elise DEBLOCK
  • Patent number: 8293403
    Abstract: The field of the present invention relates to the field of batteries and of polymer electrolytes for batteries and more particularly to the field of lithium batteries. The invention relates to a composition which can be polymerized and/or crosslinked by polyaddition for a battery electrolyte comprising: a) at least one polyorganosiloxane (POS) (A) exhibiting, per molecule, at least two C2-C6 alkenyl groups bonded to silicon and at least one group directly bonded to a silicon atom comprising a polyoxyalkylene (Poa) ether functional group; b) at least one polyorganosiloxane (POS) (B) exhibiting, per molecule, at least two hydrogen atoms bonded to silicon; c) a catalytically effective amount of at least one hydrosilylation catalyst (C); and a) at least one electrolyte salt (D).
    Type: Grant
    Filed: March 23, 2004
    Date of Patent: October 23, 2012
    Assignee: Rhodia Chimie
    Inventors: Lucile Gambut-Garel, Catherine George, Carroll Vergelati, Jean-Marc Pujol
  • Patent number: 8268921
    Abstract: The instant invention relates to elastomeric compositions especially useful for manufacturing articles for tires which comprise: (1) at least one butadienic elastomer E, containing a functionalized butadienic elastomer prepared in solution, and modified by a polyfunctional alkoxy silane coupling agent; and (2) a specific precipitated silica having high dispersibility properties and containing aluminum, as at least one reinforcing filler in said butadienic elastomer.
    Type: Grant
    Filed: December 22, 2005
    Date of Patent: September 18, 2012
    Assignees: Rhodia Chimie, JSR Corporation
    Inventors: Philippe Cochet, Dominique Petit, Toshihiro Tadaki, Naokazu Kobayashi
  • Patent number: 8252728
    Abstract: Drilling fluids comprising polymers containing hydroxylated structural units are useful as accretion inhibiting agents, and/or as fluid rheology controlling agents, and/or as filtrate reducing agents, and/or as lubricating agents.
    Type: Grant
    Filed: December 14, 2011
    Date of Patent: August 28, 2012
    Assignee: Rhodia Chimie
    Inventors: Karine Karagianni, Marie-Pierre Labeau, Elise Deblock
  • Patent number: 8236730
    Abstract: The present invention concerns an aqueous phytopathological formulation comprising a hydrosoluble salt of at least one aminophosphate or aminophosphonate type herbicide; at least one principal surfactant selected from alkylbetaines and alkyl(amidoalkyl)betaines, and at least one additive selected from at least one of the following compounds: (i) amines or etheramines comprising at least one hydrocarbon radical containing 2 to 24 carbon atoms, optionally polyalkoxylated; (ii) acid or non acid phosphate mono- or di-esters, optionally polyalkoxylated; (iii) alkali metal, alkaline-earth metal, ammonium, alkylammonium, alkanolammonium, iron, zinc or manganese salts of a mineral acid; and (iv) alkylmonoglycosides or alkylpolyglycosides.
    Type: Grant
    Filed: January 28, 2003
    Date of Patent: August 7, 2012
    Assignee: Rhodia Chimie
    Inventors: Valerio Bramati, Joel Coret, Scott Edwards, Paul Gioia
  • Publication number: 20120183698
    Abstract: Silicone compositions, particularly for the production of anti-fouling varnishes which may be applied to flexible or bulk supports to provide an anti-fouling silicone varnish for textiles coated with elastomeric silicones which is economical, adhesive, low-slip and glossy; these are crosslinked silicone compositions comprising: A. at least one alkenylsilane, B. at least one catalytic system which comprises: B/1 at least one organometallic condensation catalyst, B/2 at least one metal M chelate and/or one metal alkoxide of general formula M(OJ)n, wherein n=valence of M and J=linear or branched C1-C8 alkyl radical, M being selected from among: Ti, Zr, Ge and Al, C. at least one ultrafine filler, D. optionally, at least one arylsilane other than A. E. optionally, at least one other silane other than A. and other than D., F. optionally, at least one thickening agent and G. optionally, at least one functional additive.
    Type: Application
    Filed: January 20, 2012
    Publication date: July 19, 2012
    Applicant: Rhodia Chimie
    Inventors: Marilyne QUEMIN, Laurent DUMONT, Francis LAFAYSSE
  • Patent number: 8207273
    Abstract: Novel linear block copolymers, for example containing styrene blocks and ethyl(meth)acrylate blocks, and non-cosmetic compositions comprised thereof, are useful tensioning agents for a variety of surface substrates.
    Type: Grant
    Filed: March 17, 2006
    Date of Patent: June 26, 2012
    Assignee: Rhodia Chimie
    Inventor: Wojciech Bzducha
  • Patent number: 8192552
    Abstract: The invention relates to a detergent composition, suitable for use in dish washing or laundry, comprising at least 15% of a detersive surfactant(s), and a block copolymer, selected from the group consisting of (block A)-(block B) diblock copolymers, (block A)-(block B)-(block A) triblock copolymers, and (block B)-(block A)-(block B) triblock copolymers, wherein block A and block B derive from alpha ethylenically unsaturated monomers, at least one block being water-soluble. The detergent compositions provide an increased cleaning, and/or a decreased redeposition of the fatty substances once they are removed from a substrate.
    Type: Grant
    Filed: February 20, 2009
    Date of Patent: June 5, 2012
    Assignee: Rhodia Chimie
    Inventor: Jeanne Chang
  • Patent number: 8188171
    Abstract: The invention relates to the use of additived (poly)isocyanate compositions for producing coatings, especially paints or varnishes for car bodywork parts, said compositions having excellent impact-resistant properties, especially grit-resistant properties.
    Type: Grant
    Filed: December 20, 2005
    Date of Patent: May 29, 2012
    Assignee: Rhodia Chimie
    Inventors: Jean-Marie Bernard, Mathias Dubecq
  • Patent number: 8157127
    Abstract: A method and kit for draining a flexible container holding a product having a viscosity of between 10 Pa·s and 200 000 Pa·s. The method includes using a flexible container (3); optionally, moving the container (3) to be drained to a drainage site; ensuring the viscous product (2) can flow from container (3) through at least one outlet (9); exerting a pressure on at least one defined area of container (3) using a pressurizing device which preferably includes at least one pressure member (5) and/or a pressure fluid to maintain container (3) in an inflated or partially-inflated state; and removing the pressure once the container has been drained. The drainage kit includes the viscous product (silicon mastic), a flexible container (3) and a draining device including at least one pressure member and/or pressure fluid.
    Type: Grant
    Filed: February 3, 2004
    Date of Patent: April 17, 2012
    Assignee: Rhodia Chimie
    Inventors: Frédéric Mauger, Julien Craplet, Frédéric Jean
  • Publication number: 20120085546
    Abstract: Drilling fluids comprising polymers containing hydroxylated structural units are useful as accretion inhibiting agents, and/or as fluid rheology controlling agents, and/or as filtrate reducing agents, and/or as lubricating agents.
    Type: Application
    Filed: December 14, 2011
    Publication date: April 12, 2012
    Applicant: RHODIA CHIMIE
    Inventors: Katerina Karagianni, Marie-Pierre Labeau, Elise Deblock
  • Patent number: 8129452
    Abstract: This invention is directed to stabilizing additives that contain at least one platinum complex, with the complex including a carbene group. The stabilizing additives make it possible to improve the resistance to decomposition of silicone elastomers under high temperatures. The additive can be used in a polyorganosiloxane composition intended for the production of a silicone elastomer with either crosslinks at high temperature under the action of organic peroxides or crosslinks at ambient temperature or with heat by polyaddition reactions in the presence of a metal catalyst.
    Type: Grant
    Filed: February 22, 2006
    Date of Patent: March 6, 2012
    Assignee: Rhodia Chimie
    Inventors: Delphine Blanc-Magnard, Alain Pouchelon, Sebastien Sterin, Rémi Thiria
  • Patent number: 8128712
    Abstract: The invention concerns a composition for cotton textile care in particular, comprising an anionic polysaccharide (in particular anionic polygalactomannan) having a mole weight higher than 250000. The composition can be a solid or liquid detergent formulation, a liquid rinsing and/or softening formulation, a drying additive contacted with wet textile in a dry textile, an aqueous ironing formulation, a prespotting washing additive deposited on the textile before a washing operation.
    Type: Grant
    Filed: October 12, 2010
    Date of Patent: March 6, 2012
    Assignee: Rhodia Chimie
    Inventors: Ian Harrison, Eric Aubay
  • Publication number: 20120035048
    Abstract: The composition is based on zirconium oxide and at least one additive selected from zirconium oxide and at least one additive chosen from praseodymium, lanthanum or neodymium oxides, has a specific surface of at least 29 m 2/g after calcination at 1000° C. during a period of 10 hours and is obtained by a method wherein a mixture of zirconium compounds and additive is precipitated with a base; the medium thus obtained, containing a precipitate, is heated and a compound chosen from anionic surfactants, non-ionic surfactants, polyethylene glycols, carboxylic acids and the salts thereof and surfactants such as the ethoxylates of caroboxymethyl fatty alcohols is added to the compound and the precipitate is calcinated; the composition can be used as a catalyst.
    Type: Application
    Filed: October 18, 2011
    Publication date: February 9, 2012
    Applicant: Rhodia Chimie
    Inventors: Olivier Larcher, Philippe Moissonnier, Emmanuel Rohart
  • Patent number: 8104329
    Abstract: The method comprises: causing a reference fluid (F2) having known rheological characteristics, and an unknown fluid (F1) to flow in parallel in a microchannel (126); identifying at least one data item representative of the interface (I) between these fluids in the parallel flow, and in particular the position of said interface; and determining the rheological characteristics of the unknown fluid, from the or each identified data item.
    Type: Grant
    Filed: December 9, 2005
    Date of Patent: January 31, 2012
    Assignees: Rhodia Chimie, Centre National de la Recherche Scientifique (C.N.R.S.)
    Inventors: Annie Colin, Galder Cristobal, Pierre Guillot, Mathieu Joanicot
  • Patent number: RE44058
    Abstract: This invention relates to a cleaning composition comprising at least one surfacatant or at least one cosmetic vehicle and a water-soluble or water-dispersible copolymer comprising, in the form of polymerized units: (a) at least one monomer compound of general formula I: (b) at least one hydrophilic monomer carrying a functional group with an acidic nature which is copolymerizable with (a) and which is capable of being ionized in the application medium; (c) optionally at least one hydrophilic monomer compound with ethylenic unsaturation with a neutral charge, carrying one or more hydrophilic groups, which is copolymerizable with (a) and (b).
    Type: Grant
    Filed: July 14, 2009
    Date of Patent: March 12, 2013
    Assignee: Rhodia Chimie
    Inventors: Eric Aubay, Dominic Yeung