Patents by Inventor Kwang-Wha Hong

Kwang-Wha Hong 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).

  • Coating composition for passivating film with excellent corrosion resistance
    Patent number: 6596062
    Abstract: Disclosed is a coating composition for DACROTIZED™ film comprising Cr-containing inorganic acid, Ni carbonate, reductant, surfactant and water which has excellent corrosion resistance, weather resistance and chemical resistance thus being widely applicable to anticorrosion treatments of metals such as various alloys, sintering metals, and the like.
    Type: Grant
    Filed: February 6, 2002
    Date of Patent: July 22, 2003
    Assignee: Hyundai Motor Company
    Inventors: Bum-Goo Chung, Kwang-Wha Hong
  • Coating composition for passivating film with excellent corrosion resistance
    Publication number: 20020146514
    Abstract: Disclosed is a coating composition for DACROTIZED™ film comprising Cr-containing inorganic acid, Ni carbonate, reductant, surfactant and water which has excellent corrosion resistance, weather resistance and chemical resistance thus being widely applicable to anticorrosion treatments of metals such as various alloys, sintering metals, and the like.
    Type: Application
    Filed: February 6, 2002
    Publication date: October 10, 2002
    Inventors: Bum-Goo Chung, Kwang-Wha Hong