TREA

Yoji Urano

Follow

Person

  • Kawagoe-shi, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Heterocycle-bearing onium salts
    • Patent number 7,833,691
    • Issue date Nov 16, 2010
    • Wako Pure Chemical Industries, Ltd.
    • Masami Ishihara
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Heterocycle-bearing onium salts
    • Patent number 7,318,991
    • Issue date Jan 15, 2008
    • Wako Pure Chemical Industries, Ltd.
    • Masami Ishihara
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Hybrid type onium salt
    • Patent number 7,101,918
    • Issue date Sep 5, 2006
    • Wako Pure Chemical Industries, Ltd.
    • Masami Ishihara
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method for preparation of a quaternary ammonium salt
    • Patent number 6,414,159
    • Issue date Jul 2, 2002
    • Wako Pure Chemical Industries, Ltd.
    • Kimihiko Sano
    • C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

  • Information Patent Application

    COMPOSITION FOR WATER-REPELLENT TREATMENT OF SURFACE, AND METHOD FO...
    • Publication number 20130171835
    • Publication date Jul 4, 2013
    • WAKO PURE CHEMICAL INDUSTRIES, LTD.
    • Hironori Mizuta
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    Heterocycle-bearing onium salts
    • Publication number 20080161520
    • Publication date Jul 3, 2008
    • WAKO PURE CHEMICAL INDUSTRIES, LTD.
    • Masami Ishihara
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Heterocycle-bearing onium salts
    • Publication number 20050233253
    • Publication date Oct 20, 2005
    • Wako Pure Chemical Industries, LTD.
    • Masami Ishihara
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Method for preparation of a quaternary ammonium salt
    • Publication number 20010018526
    • Publication date Aug 30, 2001
    • Wako Pure Chemical Industries, LTD.
    • Kimihiko Sano
    • C07 - ORGANIC CHEMISTRY