Patents by Inventor Teunis C. Wassenburg

Teunis C. Wassenburg 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).

  • Vinyl ester copolymer latices and their preparation
    Patent number: 3969296
    Abstract: The preparation of vinyl ester copolymers is described. More particularly, vinyl ester copolymer latices are described which exhibit improved scrub resistance when applied to existing paint films.
    Type: Grant
    Filed: February 18, 1975
    Date of Patent: July 13, 1976
    Assignee: Shell Oil Company
    Inventors: Teunis C. Wassenburg, William J. Van Westrenen