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Josef Leitermann

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  • Leverkusen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pigment preparations
    • Patent number 5,959,001
    • Issue date Sep 28, 1999
    • Bayer Aktiengesellschaft
    • Klaus Walz
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Pigment preparations
    • Patent number 5,889,065
    • Issue date Mar 30, 1999
    • Bayer Aktiengesellschaft
    • Stephan Kirchmeyer
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Aqueous pigment preparations
    • Patent number 5,855,662
    • Issue date Jan 5, 1999
    • Bayer Aktiengesellschaft
    • Achim Brand
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...