Patents by Inventor Gerald Foley Prescott

Gerald Foley Prescott 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).

  • Hydrorefining process for production of base oils
    Patent number: 5855767
    Abstract: A process for saturating aromatics in a lube range hydrocarbon is disclosed. The process can be used to raise the viscosity index of the lube range products. The process is carried out over a noble metal catalyst under mild process conditions. The catalyst is resistant to sulfur and nitrogen compounds.
    Type: Grant
    Filed: September 26, 1994
    Date of Patent: January 5, 1999
    Assignee: Star Enterprise
    Inventors: John Robert Powers, Gerald Foley Prescott, James Roger Whiteman