Patents by Inventor Peter Paul Bruylants

Peter Paul Bruylants 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).

  • Graft copolymer emulsions and two-package waterborne urethane coatings
    Patent number: 6239214
    Abstract: The invention concerns a graft copolymer emulsion which is anionically stabilized and which contains an amino-functional monomer. The graft copolymer, useful in a coating composition, has a weight average molecular weight of at least about 3,000 and comprises 20 to 95 weight percent of a polymer backbone and 5 to 80 weight percent of a macromonomer. The polymer backbone further comprises 0.5 to 30 weight percent of an amino-functional monomer and the macromonomer comprises at least about 5 weight percent of an unsaturated acid-functional monomer.
    Type: Grant
    Filed: January 14, 2000
    Date of Patent: May 29, 2001
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Josef Huybrechts, Peter Paul Bruylants, Anne De Marre