Patents by Inventor Zatis L. Murphy

Zatis L. Murphy 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).

  • Auxiliary antioxidants
    Patent number: 4031018
    Abstract: N-acyl-0-carbamylhydroxylamines corresponding to the formula ##STR1## wherein R and R' are the same or different aliphatic or aromatic hydrocarbyl radicals, are highly effective in improving the oxidation resistance of synthetic ester-based lubricant formulations containing arylamine antioxidants.
    Type: Grant
    Filed: January 28, 1976
    Date of Patent: June 21, 1977
    Assignee: Shell Oil Company
    Inventor: Zatis L. Murphy