Patents by Inventor Shu-Yi Deng

Shu-Yi Deng 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).

  • Synthesis of poly(l-leucine)
    Patent number: 5541237
    Abstract: The invention relates to a method for synthesis of poly(L-leucine). Without any initiator and solvent poly(L-leucine) has been made from L-leucine-N-carboxy anhydride as starting material in the solid state by irradiation with gamma ray. There is only one step in the entire synthetic processing, and the polymerization yield is 100% and the process is a very simple, safe and convenient method. The poly(L-leucine) is one of the best materials for temporary wound dressing.
    Type: Grant
    Filed: February 24, 1995
    Date of Patent: July 30, 1996
    Assignee: Institute of Nuclear Energy Research
    Inventors: Ching-Hohn Len, Chi-Man Ho, Shu-Yi Deng, Zei-Tsan Tsai