TREA

Chun Li

Follow

Person

  • Hyogo, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Sulfone compound
    • Patent number 8,466,324
    • Issue date Jun 18, 2013
    • Sumitomo Seika Chemicals Co., Ltd.
    • Takeshi Takeuchi
    • C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

  • Information Patent Application

    PROCESS FOR PREPARATION OF ALKYL SULFONE COMPOUNDS
    • Publication number 20120136175
    • Publication date May 31, 2012
    • SUMITOMO SEIKA CHEMICALS CO., LTD.
    • Ichiro Fuseya
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    SULFONE COMPOUND
    • Publication number 20110306797
    • Publication date Dec 15, 2011
    • SUMITOMO SEIKA CHEMICALS CO., LTD.
    • Takeshi Takeuchi
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    SULFONE COMPOUND
    • Publication number 20110257438
    • Publication date Oct 20, 2011
    • SUMITOMO SEIKA CHEMICALS CO., LTD.
    • Takeshi Takeuchi
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    METHOD FOR PURIFICATION OF PYRIDINE, AND METHOD FOR PRODUCTION OF C...
    • Publication number 20100324299
    • Publication date Dec 23, 2010
    • Sumitomo Seika Chemicals Co., Ltd.
    • Naohiro Yoshikawa
    • C07 - ORGANIC CHEMISTRY