Patents by Inventor Kyu-Yeol Choi

Kyu-Yeol Choi 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).

  • Bleaching activator
    Patent number: 6528470
    Abstract: The present invention provides a bleach activator for increasing the bleaching power of sodium percarbonate or sodium perborate and a bleaching composition including the same. The bleaching activator may be granulated, oil coated, or in capsulated form.
    Type: Grant
    Filed: December 4, 2000
    Date of Patent: March 4, 2003
    Assignee: LG Chemical Ltd.
    Inventors: Kwang Ha, Ki-Hwan Ko, Chang-Hyun Jang, Seon-Ho Shin, Moon-Jeong Rang, Kyu-Yeol Choi, Jong-Ho Kim