Patents by Inventor Taekyoo Shin

Taekyoo Shin 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: 6534601
    Abstract: Disclosed is an epoxy resin modified with phosphorus and silicon having an synergistically improved flame retardant property, prepared by reacting an epoxy resin with phosphorus and silicon. The contents of phosphorus and silicon in the epoxy resin are 2.0 wt % to 3.2 wt % and 0.5 wt % to 2.2 wt %, respectively. The epoxy resin according to the present invention will be applicable to the preparation of electrical circuit boards.
    Type: Grant
    Filed: December 31, 2001
    Date of Patent: March 18, 2003
    Assignee: Kukdo Chemical Co., Ltd.
    Inventors: Chongsoo Park, Jaeho Choi, Bonggoo Choi, Taekyoo Shin