Patents Assigned to RHODIA OPERATION
  • Addition of zwitterionic surfactant to water soluble polymer to increase the stability of the polymers in aqueous solutions containing salt and/or surfactants
    Patent number: 9428684
    Abstract: An aqueous fluid composition useful for the recovery of hydrocarbons from a subterranean formation, including a mixture of water, a water soluble polymer, an inorganic salt and at least one zwitterionic surfactant and methods of using same.
    Type: Grant
    Filed: October 17, 2008
    Date of Patent: August 30, 2016
    Assignee: RHODIA OPERATION
    Inventors: Lawrence Alan Hough, Gilda Maria Lizarraga, Herve Adam, Jean-Christophe Castaing, Subramanian Kesavan
  • EPOXIDISED ELASTOMER COMPOSITIONS MODIFIED BY SILANES
    Publication number: 20140031487
    Abstract: This invention relates to the modification of elastomers especially epoxidised rubber by reaction with unsaturated silanes, to the modified elastomers produced and to articles produced by shaping and curing modified elastomer compositions. In a process according to the present invention, the silane has the formula: R?—CH?CH—C(O)X—Y—SiRaR?(3-a)??(I) or R?—C?C—C(O)X—Y—SiRaR?(3-a)??(II) in which R, R?, a, Y, X and R? are as defined in the description.
    Type: Application
    Filed: November 3, 2011
    Publication date: January 30, 2014
    Applicants: RHODIA OPERATION, DOW CORNING CORPORATION
    Inventors: Laurent Guy, Thomas Chaussee
  • DELAMINATING SHAPED ARTICLE SUBSTRATES HAVING SILICONE COVERINGS ADHERED THERETO
    Publication number: 20100012623
    Abstract: Shaped article substrates, e.g., plastics, textiles, extrudates, films, etc., having silicone material coverings adhered thereto, are delaminated by treating same with an aqueous solution containing an alkali metal or alkaline earth metal hydroxide and a phase transfer catalyst; particular such shaped article substrates are airbag type of inflatable protection bags having layers of silicone elastomer adhered thereto and used for the protection of the occupants of a motor vehicle.
    Type: Application
    Filed: May 22, 2007
    Publication date: January 21, 2010
    Applicant: RHODIA OPERATION
    Inventor: Gérard Mignani