Patents by Inventor Kun-Hsiang Yang

Kun-Hsiang Yang 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).

  • Biodegradable, water absorbable resin and its preparation method
    Publication number: 20040019172
    Abstract: The present invention relates to a method for the production of a biodegradable, water absorbable resin, by directly cross-linking of a culture broth with a cross-linker. The cross-linker contains two or more functional groups in the same molecule which can react with the functional groups in the culture broth. The present invention further relates to a biodegradable, water absorbable resin and its uses.
    Type: Application
    Filed: December 12, 2002
    Publication date: January 29, 2004
    Applicant: Tou-Hsiung Yang
    Inventors: Kun-Hsiang Yang, Shih-Ching Yang, Yuan-Chi Su, Toshio Hara