Patents by Inventor Lousi L. Wood

Lousi L. Wood 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).

  • Amino acid copolymers of maleic acid
    Patent number: 5408029
    Abstract: Polymers of maleic, fumaric or malic acids or maleic, fumaric or malic acid and ammonia with amino acids are prepared by heating at 180.degree.-350.degree. C., preferably 200.degree.-300.degree. C. The polymer formed may be converted to a salt by hydrolysis with a metal hydroxide or ammonium hydroxide.
    Type: Grant
    Filed: October 6, 1993
    Date of Patent: April 18, 1995
    Assignee: SRCHEM, Inc.
    Inventors: Lousi L. Wood, Gary J. Calton