Patents by Inventor Tom Hong-Zhi Tang

Tom Hong-Zhi Tang 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).

  • Lubricant composition for automatic transmissions
    Patent number: 9469825
    Abstract: A transmission lubricant composition, a method of lubricating a machine part, and a transmission are provided that utilize select boronated and phosphorylated N-substituted polyisobutylene succinimide dispersants combined with metal containing detergents to achieve high friction durability and low wear rates for automatic transmissions.
    Type: Grant
    Filed: March 12, 2015
    Date of Patent: October 18, 2016
    Assignee: Afton Chemical Corporation
    Inventor: Tom Hong-Zhi Tang
  • LUBRICANT COMPOSITION FOR AUTOMATIC TRANSMISSIONS
    Publication number: 20160264906
    Abstract: A transmission lubricant composition, a method of lubricating a machine part, and a transmission are provided that utilize select boronated and phosphorylated N-substituted polyisobutylene succinimide dispersants combined with metal containing detergents to achieve high friction durability and low wear rates for automatic transmissions.
    Type: Application
    Filed: March 12, 2015
    Publication date: September 15, 2016
    Inventor: Tom Hong-Zhi Tang