Patents by Inventor Clarence J. Hughes, Jr.

Clarence J. Hughes, Jr. 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).

  • Di- and tripentaerythritol esters of isostearic acid
    Patent number: 4477383
    Abstract: Dipentaerythritol and tripentaerythritol esters of isostearic acid are disclosed. The polyol ether esters of this invention exhibit low volatility and good oxidative and thermal stability and are useful lubricants for high temperature applications.
    Type: Grant
    Filed: May 5, 1982
    Date of Patent: October 16, 1984
    Assignee: National Distillers and Chemical Corporation
    Inventors: Bruce J. Beimesch, Nicholas E. Schnur, Clarence J. Hughes, Jr.