Patents by Inventor Guiyi Zhang-Sun

Guiyi Zhang-Sun 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).

  • Matrix stabilized enzyme crystals and methods of use
    Publication number: 20020182201
    Abstract: The invention relates to the stabilization of enzymes through the formation of matrix stabilized enzyme crystals. A matrix stabilized enzyme crystal is formed through cross-linking a polymer having one or more reactive moieties with an enzyme crystal using a low concentration of a multi-functional cross-linking reagent. The invention includes matrix stabilized enzyme crystals of phenylalanine ammonia lyase and a method of using to treat hyperphenylalaninemia.
    Type: Application
    Filed: February 15, 2002
    Publication date: December 5, 2002
    Inventors: Guiyi Zhang-Sun, Hongsheng Su, Xuefeng Yu