Patents Examined by Paul E. Shaver
  • Initiators for group transfer polymerization
    Patent number: 4943648
    Abstract: Process for preparing a silyl ketene acetal adduct, the process comprising contacting and reacting a silyl ketene acetal and an .alpha.,.beta.-unsaturated compound in the presence of a mercury- or Lewis acid-containing catalyst, for example, HgI.sub.2.
    Type: Grant
    Filed: April 1, 1988
    Date of Patent: July 24, 1990
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Ira B. Dicker