Positive image obtained by various effects other than photohole bleaching or internal image desensitisation

Patents Grantslast 30 patents

  • Information Patent Grant

    Infrared hologram recording method

    • Patent number 4,028,104
    • Issue date Jun 7, 1977
    • Hughes Aircraft Company
    • Andrejs Graube
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Fogged, direct positive silver halide emulsions containing a bleach...

    • Patent number 3,933,498
    • Issue date Jan 20, 1976
    • E. I. Du Pont de Nemours and Company
    • Leewellyn C. Fischer
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3852071

    • Patent number 3,852,071
    • Issue date Dec 3, 1974
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3733198

    • Patent number 3,733,198
    • Issue date May 15, 1973
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3708298

    • Patent number 3,708,298
    • Issue date Jan 2, 1973
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3617284

    • Patent number 3,617,284
    • Issue date Nov 2, 1971
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3615516

    • Patent number 3,615,516
    • Issue date Oct 26, 1971
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3615607

    • Patent number 3,615,607
    • Issue date Oct 26, 1971
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3526507

    • Patent number 3,526,507
    • Issue date Sep 1, 1970
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3519428

    • Patent number 3,519,428
    • Issue date Jul 7, 1970
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3466173

    • Patent number 3,466,173
    • Issue date Sep 9, 1969
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3418125

    • Patent number 3,418,125
    • Issue date Dec 24, 1968
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3367779

    • Patent number 3,367,779
    • Issue date Feb 6, 1968
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3284203

    • Patent number 3,284,203
    • Issue date Nov 8, 1966
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3156564

    • Patent number 3,156,564
    • Issue date Nov 10, 1964
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3149970

    • Patent number 3,149,970
    • Issue date Sep 22, 1964
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3062651

    • Patent number 3,062,651
    • Issue date Nov 6, 1962
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3023102

    • Patent number 3,023,102
    • Issue date Feb 27, 1962
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    2901351

    • Patent number 2,901,351
    • Issue date Aug 25, 1959
    • C07 - ORGANIC CHEMISTRY
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    2857273

    • Patent number 2,857,273
    • Issue date Oct 21, 1958
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    2828203

    • Patent number 2,828,203
    • Issue date Mar 25, 1958
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    2541472

    • Patent number 2,541,472
    • Issue date Feb 13, 1951
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY