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Ralf Wichmann

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  • Cologne, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Photographic chemicals bundle
    • Patent number 7,160,674
    • Issue date Jan 9, 2007
    • A&O Imagining Solutions GmbH
    • Ralf Wichmann
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Process for processing chemicals
    • Patent number 7,028,719
    • Issue date Apr 18, 2006
    • AgfaPhoto GmbH
    • Hans-Dieter Danner
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Pack for processing chemicals
    • Patent number 6,951,276
    • Issue date Oct 4, 2005
    • AgfaPhoto GmbH
    • Hans-Dieter Danner
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Bleach bath
    • Patent number 6,824,965
    • Issue date Nov 30, 2004
    • Agfa-Gevaert
    • Ralf Wichmann
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Photographic black-and-white reversal first developer
    • Patent number 6,350,563
    • Issue date Feb 26, 2002
    • Agfa-Gevaert
    • Ralf Wichmann
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Bleaching bath for photographic black-&-white material
    • Patent number 5,716,767
    • Issue date Feb 10, 1998
    • AGFA-Gevaert AG
    • Ubbo Wernicke
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Bleach
    • Patent number 5,565,138
    • Issue date Oct 15, 1996
    • Agfa AG
    • Norman Klaunzer
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Color photographic silver halide material
    • Patent number 5,354,649
    • Issue date Oct 11, 1994
    • Agfa-Gevaert Aktiengesellschaft
    • Peter Bell
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Bleaching bath
    • Patent number 5,238,791
    • Issue date Aug 24, 1993
    • Agfa-Gevaert Aktiengesellschaft
    • Gustav Tappe
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Bleach fixing process
    • Patent number 5,149,618
    • Issue date Sep 22, 1992
    • Agfa Gevaert Aktiengesellschaft
    • Gustav Tappe
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Iron complexes and bleaching baths containing same
    • Patent number 5,009,985
    • Issue date Apr 23, 1991
    • Agfa-Gevaert Aktiengesellschaft
    • Friedrich-Wilhelm Kunitz
    • C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

  • Information Patent Application

    Process for processing chemicals
    • Publication number 20050167298
    • Publication date Aug 4, 2005
    • AgfaPhoto GmbH
    • Hans-Dieter Danner
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Package for photographic processing chemicals
    • Publication number 20050133530
    • Publication date Jun 23, 2005
    • AgfaPhoto GmbH
    • Ralf Wichmann
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Package for photographic processing chemicals
    • Publication number 20050133533
    • Publication date Jun 23, 2005
    • AgfaPhoto GmbH
    • Ralf Wichmann
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Photographic chemicals bundle
    • Publication number 20050048420
    • Publication date Mar 3, 2005
    • AGFA-GEVAERT N.V.
    • Ralf Wichmann
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Colour photographic developing concentrate
    • Publication number 20040023168
    • Publication date Feb 5, 2004
    • Agfa Gevaert
    • Ralf Wichmann
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Pack for processing chemicals
    • Publication number 20020117416
    • Publication date Aug 29, 2002
    • Hans-Dieter Danner
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    Bleach bath
    • Publication number 20020037482
    • Publication date Mar 28, 2002
    • Ralf Wichmann
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY