Patents Represented by Attorney Ron L. Levy

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  • Chemical modification of proteins to improve biocompatibility and bioactivity
    Patent number: 5900404
    Abstract: The present invention broadly relates to chemical modification of biologically active proteins or analogs thereof. More specifically, the present invention describes novel methods for site-specific chemical modification of various proteins, and resultant compositions having improved biocompatibility and bioactivity.
    Type: Grant
    Filed: August 15, 1997
    Date of Patent: May 4, 1999
    Assignee: Amgen Inc.
    Inventors: Colin Gegg, Olaf Kinstler