Patents by Inventor Bum S. Kim

Bum S. Kim 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).

  • Anti-fouling paint composition
    Patent number: 5631308
    Abstract: An anti-fouling paint comprising a self-polishing copolymer which contains at least one side-chain bearing an organic half-ester at one terminal group exhibits an improved anti-fouling property, storage stability, and resists the cracking, peeling, and flaking problems which usually occur in paint film during long-term exposure. In particular, the use of such paint shows excellent adhesion properties on pre-coated, tin-based anti-fouling paint.
    Type: Grant
    Filed: February 9, 1996
    Date of Patent: May 20, 1997
    Assignee: Korea Chemical Co., Ltd.
    Inventors: Jae H. Ryu, Moon Y. Lee, Bum S. Kim, Duk H. Kim
  • Anti-fouling paint
    Patent number: 5472993
    Abstract: An anti-fouling paint using self-polishing copolymer which contains n-[(N-isothiazolonyl)-alkyl] acrylate as one of the monomers has improved anti-fouling property and can reduce environmental hazard by reduction of the leaching amount of biocide like organotin and of additional biocide like copper compound. The paint can control the rate of dissolution and prolong the effectiveness of the paint.
    Type: Grant
    Filed: December 30, 1994
    Date of Patent: December 5, 1995
    Assignee: Korea Chemical Co., Ltd.
    Inventors: Bum S. Kim, Chang K. Seo, Chang J. You