Patents by Inventor Eliane Deschamps

Eliane Deschamps 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).

  • Bridged biphospholes and metallocenes prepared therefrom
    Patent number: 6927262
    Abstract: The invention relates to novel bridged biphosphole ligands according to the general formula: where R2, R3, R4 are chosen from hydrogen, alkyl, aryl or silyl, R1 is chosen from hydrogen, alkyl, aryl or halogen, R1 possibly being replaced with a direct bond between the two phosphorus atoms and T is a divalent group. The invention also relates to metallocenes obtained from these ligands. These metallocenes are useful as catalytic components for the polymerization of olefins.
    Type: Grant
    Filed: January 25, 2002
    Date of Patent: August 9, 2005
    Assignee: Atofina
    Inventors: Francois-Xavier Buzin, Francois Nief, Francois Mathey, Jean Malinge, Eliane Deschamps, Bernard Deschamps
  • Bridged biphospholes and metallocenes prepared therefrom
    Publication number: 20040260041
    Abstract: The invention relates to novel bridged biphosphole ligands according to the general formula: 1
    Type: Application
    Filed: April 8, 2004
    Publication date: December 23, 2004
    Inventors: Francois-Javier Buzin, Francois Nief, Francois Mathey, Jean Malinge, Eliane Deschamps, Bernard Deschamps