Patents by Inventor Lienpao Farng

Lienpao Farng 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).

  • Multifunctional lubricant additives and compositions thereof
    Patent number: 5019284
    Abstract: Ashless hydrogen phosphonate dihydrocarbyl dithiocarbamates have been found to be effective antioxidant/antiwear multifunctional additives for lubricants.
    Type: Grant
    Filed: July 19, 1989
    Date of Patent: May 28, 1991
    Assignee: Mobil Oil Corporation
    Inventors: Lienpao Farng, Andrew G. Horodysky