Patents by Inventor Lee S. Kwon

Lee S. Kwon 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).

  • Preparation method of antibacterial and deodorant polyester for fiber
    Patent number: 5561183
    Abstract: Antibacterial and deodorant polyester for fiber which is much improved in melt viscosity, is prepared by adding the melt viscosity enhancers represented by the following general formulas I to IV and compounding with zirconium phosphate: ##STR1##
    Type: Grant
    Filed: March 6, 1996
    Date of Patent: October 1, 1996
    Assignee: Sam Yang Co., Ltd.
    Inventors: Lee S. Kwon, In K. Choi