Patents by Inventor Robert Chung-Huang Liu

Robert Chung-Huang Liu 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).

  • Resin peptides
    Patent number: 4062815
    Abstract: Resin peptides useful in the preparation of salmon calcitonin are disclosed along with processes for preparing the same. The invention also embraces peptides from which the resin moiety has been cleaved and which are useful in the synthesis of salmon calcitonin together with processes for preparing the cleaved peptides. In general, the processes involve the solid phase synthesis procedures.
    Type: Grant
    Filed: September 22, 1975
    Date of Patent: December 13, 1977
    Assignee: Armour Pharmaceutical Company
    Inventors: John Lawrence Hughes, Jay Kenneth Seyler, Robert Chung-Huang Liu