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Hai-Ren Zhang

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  • Ellicott City, MD, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Nucleoside phosphoramidates
    • Patent number 9,637,512
    • Issue date May 2, 2017
    • Gilead Pharmasset LLC
    • Byoung-Kwon Chun
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Nucleoside phosphoramidates
    • Patent number 9,284,342
    • Issue date Mar 15, 2016
    • Gilead Pharmasset LLC
    • Bruce S. Ross
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Nucleoside phosphoramidates
    • Patent number 9,206,217
    • Issue date Dec 8, 2015
    • Gilead Pharmasset LLC
    • Bruce Ross
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Synthesis of purine nucleosides
    • Patent number 9,045,520
    • Issue date Jun 2, 2015
    • Gilead Pharmasset LLC
    • Byoung-Kwon Chun
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Stereoselective synthesis of phosphorus containing actives
    • Patent number 8,859,756
    • Issue date Oct 14, 2014
    • Gilead Pharmasset LLC
    • Bruce S. Ross
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Nucleoside phosphoramidates
    • Patent number 8,735,569
    • Issue date May 27, 2014
    • Gilead Pharmasset LLC
    • Bruce S. Ross
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Synthesis of purine nucleosides
    • Patent number 8,716,263
    • Issue date May 6, 2014
    • Gilead Pharmasset LLC
    • Byoung-Kwon Chun
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Nucleoside phosphoramidates
    • Patent number 8,642,756
    • Issue date Feb 4, 2014
    • Gilead Pharmasset LLC
    • Bruce Ross
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Nucleoside phosphoramidates
    • Patent number 8,633,309
    • Issue date Jan 21, 2014
    • Gilead Pharmasset LLC
    • Bruce Ross
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Nucleoside phosphoramidates
    • Patent number 8,629,263
    • Issue date Jan 14, 2014
    • Gilead Pharmasset LLC
    • Bruce Ross
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Nucleoside phosphoramidates
    • Patent number 8,618,076
    • Issue date Dec 31, 2013
    • Gilead Pharmasset LLC
    • Bruce S. Ross
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Purine nucleoside phosphoramidate
    • Patent number 8,563,530
    • Issue date Oct 22, 2013
    • Gilead Pharmassel LLC
    • Wonsuk Chang
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

  • Information Patent Application

    NUCLEOSIDE PHOSPHORAMIDATES
    • Publication number 20180044367
    • Publication date Feb 15, 2018
    • GILEAD PHARMASSET LLC
    • Byoung-Kwon Chun
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    NUCLEOSIDE PHOSPHORAMIDATES
    • Publication number 20160354400
    • Publication date Dec 8, 2016
    • GILEAD PHARMASSET LLC
    • Bruce S. Ross
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    NUCLEOSIDE PHOSPHORAMIDATES
    • Publication number 20140121366
    • Publication date May 1, 2014
    • GILEAD PHARMASSET LLC
    • Byoung-Kwon Chun
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    NUCLEOSIDE PHOSPHORAMIDATES
    • Publication number 20130310551
    • Publication date Nov 21, 2013
    • Bruce S. Ross
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    NUCLEOSIDE PHOSPHORAMIDATES
    • Publication number 20130288997
    • Publication date Oct 31, 2013
    • Bruce S. Ross
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    NUCLEOSIDE PHOSPHORAMIDATES
    • Publication number 20130165401
    • Publication date Jun 27, 2013
    • GILEAD PHARMASSET LLC
    • Bruce Ross
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    NUCLEOSIDE PHOSPHORAMIDATES
    • Publication number 20130165644
    • Publication date Jun 27, 2013
    • GILEAD PHARMASSET LLC
    • Bruce Ross
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    NUCLEOSIDE PHOSPHORAMIDATES
    • Publication number 20130137654
    • Publication date May 30, 2013
    • GILEAD PHARMASSET LLC
    • Bruce Ross
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    SYNTHESIS OF PURINE NUCLEOSIDES
    • Publication number 20120316327
    • Publication date Dec 13, 2012
    • GILEAD PHARMASSET LLC
    • Byoung-Kwon Chun
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    PURINE NUCLEOSIDE PHOSPHORAMIDATE
    • Publication number 20110257121
    • Publication date Oct 20, 2011
    • Pharmasset, Inc.
    • WONSUK CHANG
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    NUCLEOSIDE PHOSPHORAMIDATES
    • Publication number 20110251152
    • Publication date Oct 13, 2011
    • Pharmasset, Inc.
    • Bruce S. Ross
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    STEREOSELECTIVE SYNTHESIS OF PHOSPHORUS CONTAINING ACTIVES
    • Publication number 20110245484
    • Publication date Oct 6, 2011
    • Pharmasset, Inc.
    • BRUCE S. ROSS
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    NUCLEOSIDE PHOSPHORAMIDATES
    • Publication number 20100298257
    • Publication date Nov 25, 2010
    • Pharmasset, Inc.
    • BRUCE ROSS
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    SYNTHESIS OF PURINE NUCLEOSIDES
    • Publication number 20100279973
    • Publication date Nov 4, 2010
    • Pharmasset, Inc.
    • BYOUNG-KWON CHUN
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    Process for preparation of pentostatin (R)-3-(2-Deoxy-beta-D-erythr...
    • Publication number 20090012288
    • Publication date Jan 8, 2009
    • Hai-Ren Zhang
    • C07 - ORGANIC CHEMISTRY