the tetrazo component being a derivative of a diaryl amine

Patents Grantslast 30 patents

  • Information Patent Grant

    Water soluble and water fast dyes for ink jet printing

    • Patent number 9,499,707
    • Issue date Nov 22, 2016
    • Rex-Tone Industries Ltd
    • Kurt Battig
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Optical information recording medium using bisazo or trisazo compounds

    • Patent number 5,441,844
    • Issue date Aug 15, 1995
    • Ricoh Company, Ltd.
    • Masakatsu Shimoda
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Optical information recording media and bisazo compounds for use th...

    • Patent number 5,312,906
    • Issue date May 17, 1994
    • Ricoh Company, Ltd.
    • Masakatsu Shimoda
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Bisazo photoconductor for electrophotography

    • Patent number 5,292,608
    • Issue date Mar 8, 1994
    • Fugi Electric Co., Ltd.
    • Masami Kuroda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Bisazo photoconductor for electrophotography

    • Patent number 5,292,602
    • Issue date Mar 8, 1994
    • Fugi Electric Co., Ltd.
    • Masami Kuroda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Bisazo photoconductor for electrophotography

    • Patent number 5,286,590
    • Issue date Feb 15, 1994
    • Fuji Electric Co., Ltd.
    • Masami Kuroda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Bisazo photoconductor for electrophotography

    • Patent number 5,275,898
    • Issue date Jan 4, 1994
    • Fuji Electric Co., Ltd.
    • Masami Kuroda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Photoconductor for electrophotography

    • Patent number 5,266,430
    • Issue date Nov 30, 1993
    • Fuji Electric Co., Ltd.
    • Masami Kuroda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Bisazo photoconductor for electrophotography

    • Patent number 5,198,318
    • Issue date Mar 30, 1993
    • Fuji Electric Co., Ltd.
    • Masami Kuroda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Bisazo photoconductor for electrophotography

    • Patent number 5,087,541
    • Issue date Feb 11, 1992
    • Fuji Electric Co., Ltd.
    • Masami Kuroda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Dinitro compounds, diamino compounds and triamine compounds and pre...

    • Patent number 5,047,590
    • Issue date Sep 10, 1991
    • Ricoh Company, Ltd.
    • Tomoyuki Shimada
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Electrophotographic photosenitive member comprising disazo compound...

    • Patent number 4,820,602
    • Issue date Apr 11, 1989
    • Canon Kabushiki Kaisha
    • Masakazu Matsumoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Electrophotographic photosensitive member containing disazo compound

    • Patent number 4,760,003
    • Issue date Jul 26, 1988
    • Canon Kabushiki Kaisha
    • Masakazu Matsumoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3399186

    • Patent number 3,399,186
    • Issue date Aug 27, 1968
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    3301845

    • Patent number 3,301,845
    • Issue date Jan 31, 1967
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    2214337

    • Patent number 2,214,337
    • Issue date Sep 10, 1940
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2094845

    • Patent number 2,094,845
    • Issue date Oct 5, 1937
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2023773

    • Patent number 2,023,773
    • Issue date Dec 10, 1935
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1868936

    • Patent number 1,868,936
    • Issue date Jul 26, 1932
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...