Patents by Inventor Pierre Lancelin

Pierre Lancelin 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).

  • Tin monochelate catalysis of organopolysiloxane compositions
    Patent number: 4929702
    Abstract: Organopolysiloxane compositions curable into elastomeric state, whether in single- or two-component form, comprise an .alpha., .omega.-dihydroxypolydiorganopolysiloxane oil, a crosslinking agent therefor, optionally, inorganic fillers and an adhesion promoter, and a catalytically effective amount of a pentacoordinated tin monochelate produced by reacting a tin bischelate with an organic carboxylic acid.
    Type: Grant
    Filed: June 27, 1988
    Date of Patent: May 29, 1990
    Assignee: Rhone-Poulenc Chimie
    Inventors: Jacques Cavezzan, Jean-Marc Frances, Pierre Lancelin