Patents by Inventor Susan R. Keyes

Susan R. Keyes 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).

  • Therapeutic peptide derivatives
    Patent number: 5552520
    Abstract: Peptide derivatives containing one or more substituents separately linked by an amide, amino or sulfonamide bond to an amino group on either the N-terminal end or side chain of a biologically active peptide moiety. The peptide derivatives have relatively enhanced biological activity when compared to the corresponding peptide alone.
    Type: Grant
    Filed: August 9, 1994
    Date of Patent: September 3, 1996
    Assignee: Biomeasure, Inc.
    Inventors: Sun H. Kim, Susan R. Keyes, Sylviane Moreau, Zheng X. Dong, John Taylor