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Couplers forming azinic dyes; Specific developers therefor
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CPC
G03C7/3244
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G
PHYSICS
G03
Photography
G03C
PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES PHOTOGRAPHIC PROCESSES
G03C7/00
Multicolour photographic processes or agents therefor Regeneration of such processing agents Photosensitive materials for multicolour processes
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G03C7/3244
Couplers forming azinic dyes; Specific developers therefor
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Patents Grants
last 30 patents
Information
Patent Grant
Dye precursors and their use in photographic materials and processes
Patent number
4,552,980
Issue date
Nov 12, 1985
Eastman Kodak Company
Rolf S. Gabrielsen
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Color-forming sulfonamidodiphenylamine dye precursor that produces...
Patent number
4,507,479
Issue date
Mar 26, 1985
Eastman Kodak Company
Rolf S. Gabrielsen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Color-forming sulfonamidodiphenylamines and corresponding sulfonimi...
Patent number
4,499,304
Issue date
Feb 12, 1985
Eastman Kodak Company
Rolf S. Gabrielsen
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Dye precursors and their use in photographic materials and processes
Patent number
4,411,984
Issue date
Oct 25, 1983
Eastman Kodak Company
Rolf S. Gabrielsen
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Color-forming para-sulfonamidodiphenylamine dye precursor and sulfo...
Patent number
4,390,606
Issue date
Jun 28, 1983
Eastman Kodak Company
Rolf S. Gabrielsen
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Color-forming sulfonamidodiphenylamine dye precursor that produces...
Patent number
4,380,666
Issue date
Apr 19, 1983
Eastman Kodak Company
Rolf S. Gabrielsen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Photographic materials and processes comprising color-forming sulfo...
Patent number
4,368,246
Issue date
Jan 11, 1983
Eastman Kodak Company
Rolf S. Gabrielsen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
3245795
Patent number
3,245,795
Issue date
Apr 12, 1966
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2921851
Patent number
2,921,851
Issue date
Jan 19, 1960
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
2886436
Patent number
2,886,436
Issue date
May 12, 1959
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2728669
Patent number
2,728,669
Issue date
Dec 27, 1955
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2717831
Patent number
2,717,831
Issue date
Sep 13, 1955
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2701766
Patent number
2,701,766
Issue date
Feb 8, 1955
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
2656272
Patent number
2,656,272
Issue date
Oct 20, 1953
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
2591642
Patent number
2,591,642
Issue date
Apr 1, 1952
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
2575027
Patent number
2,575,027
Issue date
Nov 13, 1951
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
2569906
Patent number
2,569,906
Issue date
Oct 2, 1951
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
2570116
Patent number
2,570,116
Issue date
Oct 2, 1951
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
2555127
Patent number
2,555,127
Issue date
May 29, 1951
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
2543338
Patent number
2,543,338
Issue date
Feb 27, 1951
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
2537460
Patent number
2,537,460
Issue date
Jan 9, 1951
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
2536010
Patent number
2,536,010
Issue date
Dec 26, 1950
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
2527379
Patent number
2,527,379
Issue date
Oct 24, 1950
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
2525502
Patent number
2,525,502
Issue date
Oct 10, 1950
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
2525503
Patent number
2,525,503
Issue date
Oct 10, 1950
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
2524725
Patent number
2,524,725
Issue date
Oct 3, 1950
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
2524741
Patent number
2,524,741
Issue date
Oct 3, 1950
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
2522802
Patent number
2,522,802
Issue date
Sep 19, 1950
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
2486440
Patent number
2,486,440
Issue date
Nov 1, 1949
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
2186734
Patent number
2,186,734
Issue date
Jan 9, 1940
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents