TREA

Hans-Gunter Otten

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  • Leverkusen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Benzisothiazole azo dye for synthetic fibers
    • Patent number 4,773,915
    • Issue date Sep 27, 1988
    • Bayer Aktiengesellschaft
    • Winfried Kruckenberg
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Process for trichromatic dyeing polyamide fibres
    • Patent number 4,773,914
    • Issue date Sep 27, 1988
    • Bayer Aktiengesellschaft
    • Wolfgang Harms
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Orthotrifluoromethyl containing phenylazonaphthol dyestuffs
    • Patent number 4,757,137
    • Issue date Jul 12, 1988
    • Bayer Aktiengesellschaft
    • Gerhard Wolfrum
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Process for preparing navy dyeings on polyester fibers using mixtur...
    • Patent number 4,743,269
    • Issue date May 10, 1988
    • Bayer Aktiengesellschaft
    • Wolfgang Haebler
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Benzoisothiazole azo dyestuffs
    • Patent number 4,681,932
    • Issue date Jul 21, 1987
    • Bayer Aktiengesellschaft
    • Winfried Kruckenberg
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Dyestuff mixture
    • Patent number 4,539,009
    • Issue date Sep 3, 1985
    • Bayer Aktiengesellschaft
    • Horst Nickel
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Mixtures of disperse dyestuffs
    • Patent number 4,523,926
    • Issue date Jun 18, 1985
    • Bayer Aktiengesellschaft
    • Horst Brandt
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Stabilization of anionic indole dyestuffs
    • Patent number 4,245,995
    • Issue date Jan 20, 1981
    • Bayer Aktiengesellschaft
    • Herbert Hugl
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Water-soluble phenylazoaminonaphthol sulphonic acid dyestuffs
    • Patent number 4,218,373
    • Issue date Aug 19, 1980
    • Bayer Aktiengesellschaft
    • Gerhard Wolfrum
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Dyeing synthetic polyamides
    • Patent number 4,146,363
    • Issue date Mar 27, 1979
    • Bayer Aktiengesellschaft
    • Wolfgang Harms
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Water-soluble diphenylamine-azo-sulfatoalkoxyphenyl dyestuffs
    • Patent number 4,119,623
    • Issue date Oct 10, 1978
    • Bayer Aktiengesellschaft
    • Herbert Hugl
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...