TREA

Klaus von Oertzen

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  • Cologne, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    One-amine-2-sulpho-4-[(4-halo-6-amino triazinyl-2)aminocyclohexylam...
    • Patent number 4,837,320
    • Issue date Jun 6, 1989
    • Bayer Aktiengesellschaft
    • Wolfgang Harms
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Anthraquinone reactive dyestuffs, their preparation and their use f...
    • Patent number 4,377,688
    • Issue date Mar 22, 1983
    • Bayer Aktiengesellschaft
    • Wolfgang Harms
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Anthraquinone reactive dyestuffs
    • Patent number 4,355,163
    • Issue date Oct 19, 1982
    • Bayer Aktiengesellschaft
    • Klaus von Oertzen
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Anthaquinone reactive dyestuffs, their preparation and their use fo...
    • Patent number 4,332,938
    • Issue date Jun 1, 1982
    • Bayer Aktiengesellschaft
    • Wolfgang Harms
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Anthraquinone reactive dyestuffs
    • Patent number 4,325,705
    • Issue date Apr 20, 1982
    • Bayer Aktiengesellschaft
    • Wolfgang Harms
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Anthraquinone reactive dyestuffs
    • Patent number 4,273,553
    • Issue date Jun 16, 1981
    • Bayer Aktiengesellschaft
    • Wolfgang Harms
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Anthraquinone-azo reactive dyestuffs
    • Patent number 4,242,259
    • Issue date Dec 30, 1980
    • Bayer Aktiengesellschaft
    • Wolfgang Harms
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Anthraquinone reactive dyestuffs
    • Patent number 4,214,082
    • Issue date Jul 22, 1980
    • Bayer Aktiengesellschaft
    • Wolfgang Harms
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Antraquinone dyestuffs
    • Patent number 4,105,662
    • Issue date Aug 8, 1978
    • Bayer Aktiengesellschaft
    • Klaus von Oertzen
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...