Holger Kretzschmann

Person

  • Ruemmelsheim, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Tricyclic aromatics and liquid-crystalline medium

    • Patent number 8,148,551
    • Issue date Apr 3, 2012
    • Merck Patent Gesellschaft mit beschraenkter Haftung
    • Rudolf Eidenschink
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Fused naphthalenes

    • Patent number 8,029,696
    • Issue date Oct 4, 2011
    • Merck Patent GmbH
    • Holger Kretzschmann
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Bisphenyl thiocompounds

    • Patent number 6,548,462
    • Issue date Apr 15, 2003
    • Nematel Dr. Rudolph Eidenschink
    • Holger Kretzschmann
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Sulfur containing aromatic lubricant and method of using same

    • Patent number 5,866,522
    • Issue date Feb 2, 1999
    • Nematel Dr. Rudolf Eidenschink
    • Rudolf Eidenschink
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

  • Information Patent Application

    LUBRICANT

    • Publication number 20110086784
    • Publication date Apr 14, 2011
    • Rudolf Eidenschink
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    FUSED NAPHTHALENES

    • Publication number 20100059711
    • Publication date Mar 11, 2010
    • Merck Patent Gesellschaft mit Beschrankter Haftung
    • Holger Kretzschmann
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    TRICYCLIC AROMATICS AND LIQUID-CRYSTALLINE MEDIUM

    • Publication number 20090131689
    • Publication date May 21, 2009
    • Rudolf Eidenschink
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...