Patents by Inventor Clint Carpenter

Clint Carpenter 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).

  • Polymeric pigment dispersants for use in coating compositions
    Patent number: 5378762
    Abstract: The present invention is directed to a pigment dispersant for use in coating compositions. The dispersant is the reaction product of a functionalized copolymer, a polyalkylene glycol monoalkyl compound to impart water soluble character to the copolymer, and a compound having a pigment interactive substituent including hydrazine derivatives and oxime containing compounds.
    Type: Grant
    Filed: December 22, 1993
    Date of Patent: January 3, 1995
    Assignee: BASF Corporation
    Inventors: Zenon P. Czornij, Clint Carpenter, Jeffrey DePue