Patents by Inventor Duane K. Bryant

Duane K. Bryant 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).

  • Ethylene copolymers and terpolymers containing vinyl esters of tertiary acids
    Patent number: 4129714
    Abstract: Copolymers of ethylene with one or more vinyl esters of tertiary carboxylic acids having the formula: ##STR1## wherein each of R.sub.1, R.sub.2 and R.sub.3 is an alkyl group, the total number of carbon atoms in R.sub.1, R.sub.2 and R.sub.3 being from 6 to 20, and an additional unsaturated monomer.
    Type: Grant
    Filed: July 15, 1976
    Date of Patent: December 12, 1978
    Assignee: National Distillers and Chemical Corporation
    Inventors: Samuel E. Colburn, Duane K. Bryant, Gerald M. Platz, Clarence J. Vetter, Jr.