TREA

James W. Polarek

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  • Sausalito, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Recombinant gelatins
    • Patent number 7,393,928
    • Issue date Jul 1, 2008
    • FibroGen, Inc.
    • Robert C. Chang
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Recombinant gelatins
    • Patent number 6,992,172
    • Issue date Jan 31, 2006
    • FibroGen, Inc.
    • Robert C. Chang
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • 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

    Collagen compositions and biomaterials
    • Publication number 20060147501
    • Publication date Jul 6, 2006
    • Patrick J. Hillas
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Implantable collagen compositions
    • Publication number 20060100138
    • Publication date May 11, 2006
    • David R. Olsen
    • 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

    Bovine collagens and gelatins
    • Publication number 20040018592
    • Publication date Jan 29, 2004
    • Fibrogen, Inc.
    • Marcum P. Bell
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    Porcine collagens and gelatins
    • Publication number 20040005663
    • Publication date Jan 8, 2004
    • Marcum P. Bell
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

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

    Type III collagen compositions
    • Publication number 20030008831
    • Publication date Jan 9, 2003
    • Chunlin Yang
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    COLLAGEN TYPE I AND TYPE III HEMOSTATIC COMPOSITIONS FOR USE AS A V...
    • Publication number 20020015724
    • Publication date Feb 7, 2002
    • CHUNLIN YANG
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE