Patents by Inventor Bob Chin

Bob Chin 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).

  • Patent number: 6479412
    Abstract: Textiles are treated with a polymer or copolymer of epihalohydrin and polyalkylene amine prior to ink jet printing onto the textile. A softener such as a quaternary ammonium salt may also be used, as may be a cationic binder.
    Type: Grant
    Filed: September 28, 1999
    Date of Patent: November 12, 2002
    Assignee: Encad, Inc.
    Inventors: Dheya Alfekri, Gary Staley, Bob Chin, Brian Hardin, Cincin Siswanto
  • Patent number: 6001137
    Abstract: Waterfast ink jet printing onto textiles is performed by treating the textiles with a polymer or copolymer of epihalohydrin prior to the ink jet printing process. A softener such as a tetraalkylammonium salt may also be used, as may be a cationic binder.
    Type: Grant
    Filed: March 11, 1998
    Date of Patent: December 14, 1999
    Assignee: Encad, Inc.
    Inventors: Dheya Alfekri, Gary Staley, Bob Chin, Brian Hardin, Cincin Siswanto