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Friedrich Wilhelm Krock

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Patents Grantslast 30 patents

  • Information Patent Grant

    Anthraquinone dyestuffs
    • Patent number RE29577
    • Issue date Mar 14, 1978
    • Bayer Aktiengesellschaft
    • Volker Hederich
    • 260 - Chemistry of carbon compounds
  • Information Patent Grant

    Anthraquinone dyestuffs
    • Patent number 4,035,398
    • Issue date Jul 12, 1977
    • Bayer Aktiengesellschaft
    • Friedrich Wilhelm Krock
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Anthraquinone dyestuffs
    • Patent number 4,017,524
    • Issue date Apr 12, 1977
    • Bayer Aktiengesellschaft
    • Friedrich Wilhelm Krock
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Anthraquinone dyestuffs
    • Patent number 3,957,822
    • Issue date May 18, 1976
    • Bayer Aktiengesellschaft
    • Friedrich Wilhelm Krock
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...