Erwin Czech

Person

  • Biblis, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Triboelectric chargeable coating powder

    • Patent number 6,242,052
    • Issue date Jun 5, 2001
    • BASF Coatings AG
    • Christoph Hilger
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Aqueous dye preparations

    • Patent number 5,891,227
    • Issue date Apr 6, 1999
    • BASF Aktiengesellschaft
    • Dietrich Hoffmann
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Ballpoint pen pastes with phthalocyanine pigments

    • Patent number 5,814,139
    • Issue date Sep 29, 1998
    • BASF Aktiengesellschaft
    • Karin Heidrun Beck
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Finely divided blue molybdenum oxide

    • Patent number 5,512,264
    • Issue date Apr 30, 1996
    • BASF Aktiengesellschaft
    • Jorg Adel
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Oxide-coated carriers and preparation and use thereof

    • Patent number 5,039,587
    • Issue date Aug 13, 1991
    • BASF Aktiengesellschaft
    • Erwin Czech
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Carrier for reprography and production of this carrier

    • Patent number 4,925,762
    • Issue date May 15, 1990
    • BASF Aktiengesellschaft
    • Werner Ostertag
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Electrostatic toner

    • Patent number 4,912,006
    • Issue date Mar 27, 1990
    • BASF Aktiengesellschaft
    • Walter Breitschaft
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Colored single-component toners and their preparation

    • Patent number 4,803,143
    • Issue date Feb 7, 1989
    • BASF Aktiengesellschaft
    • Werner Ostertag
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY