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Class Information
Number: 430/386
Name: Radiation imagery chemistry: process, composition, or product thereof > Color imaging process > Using identified radiation sensitive composition in the formation of color image > Silver compound sensitizer > And coupler > Identified magenta dye color
Description: Processes involving the use of magenta-dye forming coupler, usually a 2-pyrazolin-5-one compound.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7060424 |
Method of increasing speed of silver halide color photosensitive material |
Jun. 13, 2006 |
| 6852480 |
Photographic material comprising a bicyclic pyrazolotriazole coupler with improved photographic properties |
Feb. 8, 2005 |
| 6620562 |
Color photographic element comprising a infrared dye-forming system in a blue image record |
Sep. 16, 2003 |
| 6514679 |
Imaging materials containing peptoid substituted azole couplers |
Feb. 4, 2003 |
| 6391533 |
Silver halide color photosensitive material and color image forming method using the same |
May. 21, 2002 |
| 6296997 |
Photographic element and compound and process useful therewith |
Oct. 2, 2001 |
| 6291152 |
Photographic element having improved dye stability, compound, and imaging process |
Sep. 18, 2001 |
| 6143485 |
Pyrazolotriazle dye-forming photographic coupler |
Nov. 7, 2000 |
| 6140033 |
Photographic element |
Oct. 31, 2000 |
| 6037113 |
Photographic element and process for its use |
Mar. 14, 2000 |
| 6015657 |
Photographic elements containing 2-equivalent pyrazolone couplers and process for their use |
Jan. 18, 2000 |
| 5834164 |
Silver halide photographic light sensitive material comprising a coupler capable of chelation and method for forming images by the use thereof |
Nov. 10, 1998 |
| 5736303 |
Color photographic paper with reduced interlayer effects |
Apr. 7, 1998 |
| 5698386 |
Photographic dye-forming coupler, emulsion layer, element, and process |
Dec. 16, 1997 |
| 5672465 |
Polyethyleneimine binder complex films |
Sep. 30, 1997 |
| 5670302 |
Photographic elements containing new magenta dye-forming couplers |
Sep. 23, 1997 |
| 5667946 |
Photographic material containing magenta dye forming coupler |
Sep. 16, 1997 |
| 5645981 |
Photographic silver halide materials and process comprising a pyrazolotriazole coupler |
Jul. 8, 1997 |
| 5641613 |
Photographic element containing an azopyrazolone masking coupler exhibiting improved keeping |
Jun. 24, 1997 |
| 5609996 |
Photographic emulsion layer containing pyrazoloazole coupler exhibiting improved dye light fade |
Mar. 11, 1997 |
| 5607819 |
Color developer and processing method using the same |
Mar. 4, 1997 |
| 5576150 |
Photographic dye-forming coupler, emulsion layer, element, and process |
Nov. 19, 1996 |
| 5561040 |
Method for forming image |
Oct. 1, 1996 |
| 5541040 |
Positive type color light sensitive material and the image forming process therefor |
Jul. 30, 1996 |
| 5536625 |
Photographic peracid bleaches with ferric 2-pyridinecarboxylate and 2,6-pyridinecarboxylate catalysts |
Jul. 16, 1996 |
| 5512103 |
Silver halide color photography element with improved high density contrast and bright low density colors |
Apr. 30, 1996 |
| 5508421 |
Pyrrolotriazole azomethine dye, and heat transfer dye providing material containing a pyrrolotriazole azomethine dye |
Apr. 16, 1996 |
| 5491049 |
Photographic colour couplers, methods of making them and photographic materials containing them |
Feb. 13, 1996 |
| 5482821 |
Photographic element containing an azopyrazolone masking coupler exhibiting improved keeping |
Jan. 9, 1996 |
| 5470696 |
Photographic color couplers and photographic materials containing them |
Nov. 28, 1995 |
| 5462848 |
Color photographic materials including magenta coupler, inhibitor-releasing coupler and carbonamide compound, and methods |
Oct. 31, 1995 |
| 5460924 |
Photographic peracid bleaches with ferric 2-pyridinecarboxylate and 2,6-pyridinecarboxylate catalysts |
Oct. 24, 1995 |
| 5460927 |
Activated propenes as color couplers and a method for production of photographic elements therewith |
Oct. 24, 1995 |
| 5457020 |
Photographic material and process comprising a bicyclic pyrazolo coupler |
Oct. 10, 1995 |
| 5457007 |
Color imaging process using laser exposure to achieve subtle color density gradations |
Oct. 10, 1995 |
| 5451501 |
Photographic coupler and silver halide color photographic material |
Sep. 19, 1995 |
| 5445926 |
Method of forming silver halide color photographic images |
Aug. 29, 1995 |
| 5443945 |
Activated propenes as colour couplers |
Aug. 22, 1995 |
| 5429913 |
Photographic coupler compositions containing ballasted alcohols and methods |
Jul. 4, 1995 |
| 5420000 |
Heat fixable high energy radiation imaging film |
May. 30, 1995 |
| 5418123 |
Color photographic recording material containing a color coupler of the pyrazoloazole series |
May. 23, 1995 |
| 5403703 |
Silver halide color photographic light-sensitive material, and method or processing the same |
Apr. 4, 1995 |
| 5399472 |
Coupler blends in color photographic materials |
Mar. 21, 1995 |
| 5399467 |
Photographic couplers having a ballast containing a sulfone or sulfoxide group |
Mar. 21, 1995 |
| 5389500 |
Method for forming color photographic images improved in color reproduction |
Feb. 14, 1995 |
| 5378587 |
Photographic material and process comprising a bicyclic pyrazolo coupler |
Jan. 3, 1995 |
| 5362882 |
Pyrrolotriazole derivative and heat transfer dye providing material containing a pyrrolotriazole azomethine dye |
Nov. 8, 1994 |
| 5360700 |
Process for treating silver halide photographic light-sensitive material |
Nov. 1, 1994 |
| 5358829 |
Photographic material and process comprising a bicyclic pyrazolo coupler |
Oct. 25, 1994 |
| 5342749 |
Silver halide color photographic materials |
Aug. 30, 1994 |
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