Patents by Inventor Fred W. Light, Jr.

Fred W. Light, Jr. 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).

  • Polyurethane powder coating compositions
    Patent number: 4859760
    Abstract: Disclosed are polyurethane powder coating compositions comprising at least one amorphous polyester, at least one semi-crystalline polyester, and a polyisocyanate crosslinking agent. Coatings made from such powder compositions provide a unique combination of good hardness and flexibility, while the powder from which they are made has good storage stability.
    Type: Grant
    Filed: December 7, 1987
    Date of Patent: August 22, 1989
    Assignee: Eastman Kodak Company
    Inventors: Fred W. Light, Jr., James D. Hood, Yeong-Ho Chang
  • Solvent-resistant unsaturated polyester compositions
    Patent number: 4355136
    Abstract: Disclosed are compositions comprising a polyester derived from 100 mole % of an acid component and 100 mole % of a glycol component, the acid component comprising about 30-90 mole % of at least one .alpha.,.beta.-ethylenically unsaturated dicarboxylic acid and about 70-10 mole % of a compound containing a cinnamic acid moiety, and the glycol component comprising at least one saturated aliphatic glycol containing from 2 to 10 carbon atoms. These compositions have improved resistance to attack by organic solvents.
    Type: Grant
    Filed: January 4, 1982
    Date of Patent: October 19, 1982
    Assignee: Eastman Kodak Company
    Inventors: John R. Dombroski, Fred W. Light, Jr.