Patents by Inventor Walter C. Edmisten

Walter C. Edmisten 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).

  • Crude oils and residual fuel oils containing a terpolymer of ethylene, vinyl ester, and dialkylvinyl carbinol
    Patent number: 4015063
    Abstract: Crude oils and residual fuel oils having improved pour point and flow properties are obtained by incorporating therein a small amount of a new terpolymer prepared from ethylene, a vinyl ester, and a dialkylvinyl carbinol. The terpolymer has a number average molecular weight of about 500-10,000 and suitably contains 45-80 wt. % ethylene, 10-25 wt. % vinyl ester of a fatty acid having up to about eight carbon atoms and 10-30 wt. % dialkylvinyl carbinol wherein the alkyl groups have up to about six carbon atoms.
    Type: Grant
    Filed: June 17, 1975
    Date of Patent: March 29, 1977
    Assignee: Standard Oil Company (Indiana)
    Inventors: Robert J. Basalay, Peter G. Pappas, Walter C. Edmisten