Patents by Inventor Hugh F. Vest

Hugh F. Vest 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).

  • Low viscosity water-in-oil microemulsions
    Patent number: 4371447
    Abstract: Water-in-oil microemulsions useful as fire-resistant hydraulic fluids are prepared from an oil, such as mineral oil, water, emulsifiers, and an aliphatic diol, such as 2-ethyl-1,3-hexanediol.
    Type: Grant
    Filed: July 6, 1981
    Date of Patent: February 1, 1983
    Assignee: Standard Oil Company
    Inventors: Thomas H. Webb, Hugh F. Vest, Keng S. Chan