Patents by Inventor Chantal Crozat

Chantal Crozat has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Polymeric foaming agents and their application to the preparatiion of synthetic foams
    Patent number: 5539005
    Abstract: Foamable composition comprising a mixture based on polymer resin and a effective quantity, in relation to the said resin, of blowing agent. The blowing agent comprises at least one .alpha.,.beta.-hydroxolated hydrocarbon azide.Application to the production of articles made of synthetic foam.
    Type: Grant
    Filed: April 28, 1995
    Date of Patent: July 23, 1996
    Assignee: Cray Valley
    Inventors: Didier Bedel, Chantal Crozat
  • Polymeric foaming agents and their preparation in the preparation of synthetic foams
    Patent number: 5424337
    Abstract: Foamable composition comprising a mixture based on polymer resin and an effective quantity, in relation to the said resin, of blowing agent. The blowing agent comprises at least one .alpha.,.beta.-hydroxylated hydrocarbon azide.Application to the production of articles made of synthetic foam.
    Type: Grant
    Filed: September 29, 1994
    Date of Patent: June 13, 1995
    Assignee: Cray Valley SA
    Inventors: Didier Bedel, Chantal Crozat