Patents by Inventor Jimmy C.-H. Chan

Jimmy C.-H. Chan 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).

  • Tungsten disulfide modified bismaleimide
    Patent number: 5516548
    Abstract: A method of restoring a damaged surface of a metal substrate to a functional conditions through application of a filler material consisting essentially of bismaleimide and tungsten disulfide having a ratio of 10:1. The bismaleimide having been cured through the following sequence to maintain the durability thereof when exposed to aromatic fuels at temperatures up to 500.degree. F., the temperature of the bismaleimide is uniformly raised from room temperature to 350.degree. F. in one hour and maintained at 350.degree. F. for an additional hour and thereafter the temperature is immediately raised to 475.degree. F. and maintained at 475.degree. F. for an additional two hours.
    Type: Grant
    Filed: January 23, 1995
    Date of Patent: May 14, 1996
    Assignee: AlliedSignal Inc.
    Inventors: Jimmy C.-H. Chan, Betty H. Kocsis