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Robert C. Chang

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  • Burlingame, CA, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD FOR PRODUCING DOUBLE-CROSSLINKED COLLAGEN
    • Publication number 20110207671
    • Publication date Aug 25, 2011
    • FibroGen, Inc.
    • Robert C. Chang
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Recombinant gelatins
    • Publication number 20090143568
    • Publication date Jun 4, 2009
    • FibroGen, Inc.
    • Robert C. Chang
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Application

    Dry tissue sealant compositions
    • Publication number 20060258560
    • Publication date Nov 16, 2006
    • Chunlin Yang
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Recombinant gelatins
    • Publication number 20050229264
    • Publication date Oct 13, 2005
    • Robert C. Chang
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Application

    Gelatin capsules
    • Publication number 20050058703
    • Publication date Mar 17, 2005
    • Robert C. Chang
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Recombinant gelatins in vaccines
    • Publication number 20030064074
    • Publication date Apr 3, 2003
    • Robert C. Chang
    • C07 - ORGANIC CHEMISTRY