Patents Assigned to Rhodia Chemie
  • Publication number: 20090026745
    Abstract: The general field of the invention is that of airbags. The invention relates to a process for improving the tear strength and the combing strength of coated fabrics intended for uses in the field of inflatable bags using a silicone composition comprising an additive containing a polyorganosiloxane resin (V) and a calcium carbonate. After coating the composition onto the fabric supports and curing, the coated supports not only have optimum adhesion and crease resistance properties, but also have good properties in terms of combing strength and tear strength.
    Type: Application
    Filed: October 2, 2008
    Publication date: January 29, 2009
    Applicant: RHODIA CHEMIE
    Inventors: Laurent Dumont, Alain Pouchelon
  • Patent number: 6121496
    Abstract: The present invention relates to a process for the acylation of an aromatic thioether. In its preferred variant, the invention resides in a process for the condensation of acetic anhydride or acetyl chloride with thioanisole. The process for the acylation of an aromatic thioether according to the invention is characterised in that it consists in reacting said thioether with an acylating agent chosen from the group formed by the halides of carboxylic acids and the anhydrides of carboxylic acids, in the presence of an effective quantity of an acid zeolite.
    Type: Grant
    Filed: August 3, 1998
    Date of Patent: September 19, 2000
    Assignee: Rhodia Chemie
    Inventors: Laurent Gilbert, Michel Spagnol