Patents by Inventor Tae Chung Kang

Tae Chung Kang 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).

  • Dyes and methods of preparing them
    Patent number: 6734290
    Abstract: The present writing relates to a novel fiber-reactive dye of the formula wherein R11, D, R0, X and Z are as defined in the specification. The novel dye according to the present writing can be used in dyeing and printing fibre materials, especially, cellulosic fibre materials by a general fixing method, and a good adsorbing/fixing rate and an excellent fastness to light and wet treatment.
    Type: Grant
    Filed: May 29, 2003
    Date of Patent: May 11, 2004
    Assignee: Kyung-In Synthetic Corporation
    Inventors: Sung Yong Cho, Tae Chung Kang, Woo Jin Yoon, Sang Ki Yang, Sung Il Myung, Ho Lee
  • Dyes and methods of preparing them
    Publication number: 20040024189
    Abstract: The present writing relates to a novel fiber-reactive dye of the formula 1
    Type: Application
    Filed: May 29, 2003
    Publication date: February 5, 2004
    Inventors: Sung Yong Cho, Tae Chung Kang, Woo Jin Yoon, Sang Ki Yang, Sung Il Myung, Ho Lee