Patents by Inventor Doran Y. Lum

Doran Y. Lum 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).

  • ELECTRICAL INSULATING OIL COMPOSITIONS AND PREPARATION THEREOF
    Publication number: 20100279904
    Abstract: An electrical insulating oil composition comprising a heavy reformate as an anti-gassing agent is provided with excellent gassing tendency. In one embodiment, the composition displays a gassing performance of <30 ?L per minute as measured according to ASTM D2300-08. In a second embodiment, the composition displays a gassing performance of <0 ?L per minute.
    Type: Application
    Filed: June 8, 2010
    Publication date: November 4, 2010
    Inventors: Scott C. Deskin, Ravindra Shah, John M. Rosenbaum, Nancy J. Bertrand, Doran Y. Lum, Thomas D'Amico, Ryan Joseph Schexnaydre
  • Electrical Insulating Oil Compositions and Preparation Thereof
    Publication number: 20090036337
    Abstract: An electrical insulating oil composition comprising a heavy reformate as an anti-gassing agent is provided with excellent gassing tendency. In one embodiment, the composition displays a gassing performance of <30 ?L per minute as measured according to ASTM D-2300-1976. In a second embodiment, the composition displays a gassing performance of <0 ?L per minute. In a third embodiment, the composition displays a negative gassing tendency as low as <?70 ?L per minute.
    Type: Application
    Filed: July 31, 2007
    Publication date: February 5, 2009
    Applicant: Chevron U.S.A. Inc.
    Inventors: Scott C. Deskin, John M. Rosenbaum, Nancy J. Bertrand, Doran Y. Lum, Thomas D'Amico, Ravindra Shah