Patents Examined by Samuel A. Acquath
  • Polymerization process
    Patent number: 4822871
    Abstract: A linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon exhibits improved thermal stability as evidenced by reduced weight loss at elevated temperatures and enhanced crystallinity and crystallizability when produced with a catalyst composition formed from preformed palladium trifluoroacetate and a bidentate phosphine ligand.
    Type: Grant
    Filed: December 18, 1987
    Date of Patent: April 18, 1989
    Assignee: Shell Oil Company
    Inventor: G. Bruce Klingensmith