Patents by Inventor Laurence Wu

Laurence Wu 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).

  • Curable compositions containing novel polyfunctional crosslinking agents
    Patent number: 6150460
    Abstract: Novel polyfunctional glyoxylated compounds and compositions containing the same are disclosed which are particularly suitable for use as crosslinking components in curable compositions and also find use in imparting wet adhesion properties to water-based paints and coatings. A process for preparing novel polyfunctional glyoxylated compounds is also disclosed.
    Type: Grant
    Filed: November 3, 1999
    Date of Patent: November 21, 2000
    Assignee: Cytec Technology Corp.
    Inventors: Balwant Singh, Laurence Wu-Kwang Chang
  • Method of coating a substrate using curable compositions containing novel polyfunctional crosslinking agents
    Patent number: 6136378
    Abstract: Novel polyfunctional glyoxylated compounds and compositions containing the same are disclosed which are particularly suitable for use as crosslinking components in curable compositions and also find use in imparting wet adhesion properties to water-based paints and coatings. A process for preparing novel polyfunctional glyoxylated compounds is also disclosed.
    Type: Grant
    Filed: November 3, 1999
    Date of Patent: October 24, 2000
    Assignee: Cytec Technology Corp.
    Inventors: Balwant Singh, Laurence Wu-Kwang Chang
  • Polyfunctional crosslinking agents and curable compositions containing the same
    Patent number: 6028141
    Abstract: Novel polyfunctonal glyoxylated compounds and compositions containing the same are disclosed which are particularly suitable for use as crosslinking components in curable compositions and also find use in imparting wet adhesion properties to water-based paints and coatings. A process for preparing novel polyfunctional glyoxylated compounds is also disclosed.
    Type: Grant
    Filed: June 24, 1997
    Date of Patent: February 22, 2000
    Assignee: Cytec Technology Corp.
    Inventors: Balwant Singh, Laurence Wu-Kwang Chang
  • Sulfenamide accelerators and rubber compositions containing the same
    Patent number: 5840908
    Abstract: Novel mono- and bis-benzothiazole sulfenamide compounds based on primary amines are provided which may be employed as rubber vulcanization accelerators having excellent scorch safety. Vulcanizable rubber compositions containing rubber, sulfur and the novel benzothiazole sulfenamide compounds are also provided.
    Type: Grant
    Filed: May 9, 1994
    Date of Patent: November 24, 1998
    Assignee: Cytec Technology Corp.
    Inventors: Balwant Singh, Thomas Patrick Sassi, Laurence Wu-Kwang Chang
  • Surface-modified polyacrylonitrile substrates
    Patent number: 5194512
    Abstract: A composition is disclosed herein which comprises a core of a polyacrylonitrile homopolymer or copolymer and a surface of N-haloamides. Also disclosed is a process for the production of said composition.
    Type: Grant
    Filed: July 1, 1991
    Date of Patent: March 16, 1993
    Assignee: American Cyanamid Company
    Inventors: Laurence Wu-Kwang Chang, Larry S. Anderson, David A. Ley