Patents by Inventor Yi Jin Warburton

Yi Jin Warburton 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).

  • Mannich derivatives of epoxy-novolac resins and methods of using the same
    Patent number: 6248182
    Abstract: Compositions and methods for treating substrates are disclosed. The compositions are generally described as epoxy-novolac resins containing a Mannich derivatized bisphenol side chain. The methods, which comprise contacting the surface to be treated with these compositions, improve the corrosion resistance and/or adhesion properties of the treated surface.
    Type: Grant
    Filed: December 23, 1998
    Date of Patent: June 19, 2001
    Assignee: Calgon Corporation
    Inventors: Hong Ding, Shih-Ruey Thomas Chen, Yi Jin Warburton
  • Method for treatment of metal substrates using Mannich-derived polyethers
    Patent number: 5972433
    Abstract: Methods for treating metal substrates are disclosed. These methods, which comprise contacting the surface to be treated with a composition comprising a Mannich-derivatized polyether, improve the corrosion resistance and/or adhesion properties of the treated surface. Similar methods for treating polymeric substrates are disclosed.
    Type: Grant
    Filed: December 5, 1997
    Date of Patent: October 26, 1999
    Assignee: Calgon Corporation
    Inventors: Shih-Ruey Thomas Chen, Yi Jin Warburton, Hong Ding