TREA

Klaus-Günter Strumpf

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  • Leverkusen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Azo dyes
    • Patent number 9,023,118
    • Issue date May 5, 2015
    • Kemira Oyj
    • Helmut-Martin Meier
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Azo dyes
    • Patent number 8,734,534
    • Issue date May 27, 2014
    • Kemira Oyj
    • Helmut-Martin Meier
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Azo dyes
    • Patent number 8,734,532
    • Issue date May 27, 2014
    • Kemira Oyj
    • Helmut-Martin Meier
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

  • Information Patent Application

    AZO DYES
    • Publication number 20130269124
    • Publication date Oct 17, 2013
    • Helmut-Martin Meier
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    AZO DYES
    • Publication number 20130255006
    • Publication date Oct 3, 2013
    • Helmut-Martin Meier
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    AZO DYES
    • Publication number 20130255007
    • Publication date Oct 3, 2013
    • Helmut-Martin Meier
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...