TREA

Hydrazine; Hydroxylamine; Urea; Derivatives thereof

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  • CPC
  • G03C5/3014
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Parent Industries

GPHYSICS G03Photography G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES PHOTOGRAPHIC PROCESSES G03C5/00Photographic processes or agents therefor Regeneration of such processing agents

Current Industry

G03C5/3014Hydrazine; Hydroxylamine; Urea; Derivatives thereof
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Process for forming high contrast negative image
    • Patent number 4,619,886
    • Issue date Oct 28, 1986
    • Fuji Photo Film Co., Ltd.
    • Eiichi Okutsu
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Photographic image-forming method
    • Patent number 4,332,878
    • Issue date Jun 1, 1982
    • Fuji Photo Film Co., Ltd.
    • Yoshitaka Akimura
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    High contrast development of photographic elements
    • Patent number 4,269,929
    • Issue date May 26, 1981
    • Eastman Kodak Company
    • Ronald J. Nothnagle
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3917653
    • Patent number 3,917,653
    • Issue date Nov 4, 1975
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3893863
    • Patent number 3,893,863
    • Issue date Jul 8, 1975
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3887376
    • Patent number 3,887,376
    • Issue date Jun 3, 1975
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3864131
    • Patent number 3,864,131
    • Issue date Feb 4, 1975
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3806345
    • Patent number 3,806,345
    • Issue date Apr 23, 1974
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3794488
    • Patent number 3,794,488
    • Issue date Feb 26, 1974
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3782949
    • Patent number 3,782,949
    • Issue date Jan 1, 1974
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3751255
    • Patent number 3,751,255
    • Issue date Aug 7, 1973
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3655764
    • Patent number 3,655,764
    • Issue date Apr 11, 1972
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3563747
    • Patent number 3,563,747
    • Issue date Feb 16, 1971
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3467711
    • Patent number 3,467,711
    • Issue date Sep 16, 1969
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3455916
    • Patent number 3,455,916
    • Issue date Jul 15, 1969
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3362961
    • Patent number 3,362,961
    • Issue date Jan 9, 1968
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3293034
    • Patent number 3,293,034
    • Issue date Dec 20, 1966
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3287124
    • Patent number 3,287,124
    • Issue date Nov 22, 1966
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3287125
    • Patent number 3,287,125
    • Issue date Nov 22, 1966
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3227552
    • Patent number 3,227,552
    • Issue date Jan 4, 1966
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    2899424
    • Patent number 2,899,424
    • Issue date Aug 11, 1959
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    2857276
    • Patent number 2,857,276
    • Issue date Oct 21, 1958
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    2843481
    • Patent number 2,843,481
    • Issue date Jul 15, 1958
    • G02 - OPTICS
  • Information Patent Grant

    2710243
    • Patent number 2,710,243
    • Issue date Jun 7, 1955
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    2674533
    • Patent number 2,674,533
    • Issue date Apr 6, 1954
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    2339309
    • Patent number 2,339,309
    • Issue date Jan 18, 1944
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    2220929
    • Patent number 2,220,929
    • Issue date Nov 12, 1940
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    1663959
    • Patent number 1,663,959
    • Issue date Mar 27, 1928
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    1658177
    • Patent number 1,658,177
    • Issue date Feb 7, 1928
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    1390260
    • Patent number 1,390,260
    • Issue date Sep 6, 1921
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents