Patents by Inventor Georges Nielsen

Georges Nielsen 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).

  • LiOH catalyzed preparation of alkoxylated diorganopolysiloxanes
    Patent number: 5079324
    Abstract: Functionalized diorganopolysiloxanes containing alkoxy endgroups, well adapted for the formulation of single-component cold-vulcanizable elastomer compositions therefrom, are prepared by reacting an .alpha., .omega.-dihydroxydiorganopolysiloxane oil with a polyalkoxysilane in the presence of a catalytically effective amount of lithium hydroxide.
    Type: Grant
    Filed: November 6, 1989
    Date of Patent: January 7, 1992
    Assignee: Rhone-Poulenc Chimie
    Inventors: Roger Cocco, Michel Letoffe, Georges Nielsen