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Rolf Schumacher

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Patents Grantslast 30 patents

  • Information Patent Grant

    Bisdithiophosphoric acid derivatives as lubricant additives
    • Patent number 6,380,139
    • Issue date Apr 30, 2002
    • Ciba Specialty Chemicals Corporation
    • Horst Zinke
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Dithiophosphoric acid derivatives as lubricant additives
    • Patent number 5,362,419
    • Issue date Nov 8, 1994
    • Ciba-Geigy Corporation
    • Horst Zinke
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Trisamidodithionodiphospates
    • Patent number 5,360,563
    • Issue date Nov 1, 1994
    • Ciba-Geigy Corporation
    • Horst Zinke
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Lubricant composition
    • Patent number 5,273,669
    • Issue date Dec 28, 1993
    • Ciba-Geigy Corporation
    • Rolf Schumacher
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Lubricant composition
    • Patent number 5,262,072
    • Issue date Nov 16, 1993
    • Ciba-Geigy Corporation
    • Hugo Camenzind
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Lubricant compositions
    • Patent number 5,198,130
    • Issue date Mar 30, 1993
    • Ciba-Geigy Corporation
    • Rolf Schumacher
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Lubricant formulations
    • Patent number 5,167,844
    • Issue date Dec 1, 1992
    • Ciba-Geigy Corporation
    • Rolf Schumacher
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Lubricating oil composition
    • Patent number 5,091,099
    • Issue date Feb 25, 1992
    • Ciba-Geigy Corporation
    • Samuel Evans
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Lubricant composition
    • Patent number 5,073,278
    • Issue date Dec 17, 1991
    • Ciba-Geigy Corporation
    • Rolf Schumacher
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    High-temperature lubricants
    • Patent number 4,917,809
    • Issue date Apr 17, 1990
    • Ciba-Geigy Corporation
    • Horst Zinke
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Boric acid complexes
    • Patent number 4,778,612
    • Issue date Oct 18, 1988
    • Ciba-Geigy Corporation
    • Hermann O. Wirth
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Lubricant compositions
    • Patent number 4,544,492
    • Issue date Oct 1, 1985
    • Ciba-Geigy Corporation
    • Horst Zinke
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Lubricant compositions containing chlorinated organic compounds
    • Patent number 4,504,404
    • Issue date Mar 12, 1985
    • Ciba-Geigy Corporation
    • Rolf Schumacher
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents