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Karl H. Hermann

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  • Leverkusen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Weather-resistant polyamides
    • Patent number 4,551,495
    • Issue date Nov 5, 1985
    • Bayer Aktiengesellschaft
    • Bert Brassat
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Stabilized red phosphorus and its use for flameproofing thermoplast...
    • Patent number 4,550,133
    • Issue date Oct 29, 1985
    • Bayer Aktiengesellschaft
    • Werner Nielinger
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Method of producing polyamide foils
    • Patent number 4,472,338
    • Issue date Sep 18, 1984
    • Bayer Aktiengesellschaft
    • Karl H. Hermann
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for the continuous production of polyamides
    • Patent number 4,465,821
    • Issue date Aug 14, 1984
    • Bayer Aktiengesellschaft
    • Werner Nielinger
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Stabilized polyamides
    • Patent number 4,426,475
    • Issue date Jan 17, 1984
    • Bayer Aktiengesellschaft
    • Bert Brassat
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Phosphorous acid esters and their use for stabilizing polyamides
    • Patent number 4,348,495
    • Issue date Sep 7, 1982
    • Bayer Aktiengesellschaft
    • Hans-Josef Buysch
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Preparation of basic triarylmethane dyestuffs
    • Patent number 4,340,540
    • Issue date Jul 20, 1982
    • Bayer Aktiengesellschaft
    • Karl H. Hermann
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Preparation of cationic triarylmethane dyestuffs
    • Patent number 4,330,476
    • Issue date May 18, 1982
    • Bayer Aktiengesellschaft
    • Karl H. Hermann
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Process for the preparation of basic dyestuffs
    • Patent number 4,318,859
    • Issue date Mar 9, 1982
    • Bayer Aktiengesellschaft
    • Karl H. Hermann
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Thiazolediazacyanine dyestuffs
    • Patent number 4,277,396
    • Issue date Jul 7, 1981
    • Bayer Aktiengesellschaft
    • Hans-Lothar Dorsch
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Cyclic phosphorous acid esters
    • Patent number 4,252,750
    • Issue date Feb 24, 1981
    • Bayer Aktiengesellschaft
    • Hans-Josef Buysch
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Process for isolating triarylmethane dyestuffs
    • Patent number 4,247,470
    • Issue date Jan 27, 1981
    • Bayer Aktiengesellschaft
    • Karl-Heinz Hermann
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Process for isolating triarylmethane dyestuffs
    • Patent number 4,211,716
    • Issue date Jul 8, 1980
    • Bayer Aktiengesellschaft
    • Karl H. Hermann
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...