Patents by Inventor Soungkyoo Kim

Soungkyoo 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).

  • Organic thiol metal-free stabilizers and plasticizers for halogen-containing polymers
    Patent number: 6927247
    Abstract: Organic thiol compounds including mercaptophenylcarboxylates are disclosed which can be utilized to plasticize and/or stabilize halogen-containing polymer compositions, especially poly(vinyl chloride) compositions. Compounds of the present invention are utilized in polymers normally susceptible to deterioration and color change, which typically occurs during processing of the polymer or exposure to certain environments.
    Type: Grant
    Filed: June 12, 2003
    Date of Patent: August 9, 2005
    Assignee: The College of William and Mary
    Inventors: William Herbert Starnes, Jr., Soungkyoo Kim
  • Organic thiol metal-free stabilizers and plasticizers for halogen-containing polymers
    Publication number: 20030220429
    Abstract: Organic thiol compounds including mercaptophenylcarboxylates are disclosed which can be utilized to plasticize and/or stabilize halogen-containing polymer compositions, especially poly(vinyl chloride) compositions. Compounds of the present invention are utilized in polymers normally susceptible to deterioration and color change, which typically occurs during processing of the polymer or exposure to certain environments.
    Type: Application
    Filed: June 12, 2003
    Publication date: November 27, 2003
    Inventors: William Herbert Starnes, Soungkyoo Kim