Patents Represented by Attorney Philip Hill

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  • 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