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Class Information
Number: 430/387
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 > Substituted at coupling position with other than hydrogen
Description: Processes involving use of couplers containing a group attached to the coupling position which is removed during processing, usually two-equivalent couplers.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7476494 |
Silver halide photosensitive material and image-forming method using the same |
Jan. 13, 2009 |
| 6936412 |
Method of forming color images |
Aug. 30, 2005 |
| 6852480 |
Photographic material comprising a bicyclic pyrazolotriazole coupler with improved photographic properties |
Feb. 8, 2005 |
| 6787294 |
Photographic material comprising a bicyclic pyrazolotriazole coupler with improved hue |
Sep. 7, 2004 |
| 6780573 |
Color photographic element containing coupler moiety with improved amino acid timing group |
Aug. 24, 2004 |
| 6730465 |
Color photographic element containing a heterocyclic dye-forming coupler |
May. 4, 2004 |
| 6514679 |
Imaging materials containing peptoid substituted azole couplers |
Feb. 4, 2003 |
| 6492100 |
Silver halide color photographic lightsensitive material and compound used therein |
Dec. 10, 2002 |
| 6426178 |
Chromogenic black and white silver halide print material |
Jul. 30, 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 |
| 6242609 |
Method for manufacturing a color coupler used in a silver halide photographic light-sensitive material |
Jun. 5, 2001 |
| 6143485 |
Pyrazolotriazle dye-forming photographic coupler |
Nov. 7, 2000 |
| 6140033 |
Photographic element |
Oct. 31, 2000 |
| 6071685 |
Photographic element, pyrazole derived couplers and process |
Jun. 6, 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 |
| 5994048 |
Photographic element with particular magenta coupler |
Nov. 30, 1999 |
| 5972574 |
Photographic element containing magenta coupler having improved manufacturability and dye light stability |
Oct. 26, 1999 |
| 5925503 |
Photographic element having improved magenta dye light stability and process for its use |
Jul. 20, 1999 |
| 5849469 |
Process for forming an image using novel magneta couplers for color photography |
Dec. 15, 1998 |
| 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 |
| 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 |
| 5610003 |
Two-equivalent magenta photographic couplers with activity-modifying ballasting groups |
Mar. 11, 1997 |
| 5607819 |
Color developer and processing method using the same |
Mar. 4, 1997 |
| 5605787 |
3-anilino pyrazolone magenta couplers and process |
Feb. 25, 1997 |
| 5605788 |
Silver halide color photographic material |
Feb. 25, 1997 |
| 5576150 |
Photographic dye-forming coupler, emulsion layer, element, and process |
Nov. 19, 1996 |
| 5563026 |
Color negative element having improved green record printer compatibility |
Oct. 8, 1996 |
| 5561040 |
Method for forming image |
Oct. 1, 1996 |
| 5547826 |
Silver halide color photographic material |
Aug. 20, 1996 |
| 5545513 |
Photographic material with improved granularity |
Aug. 13, 1996 |
| 5541040 |
Positive type color light sensitive material and the image forming process therefor |
Jul. 30, 1996 |
| 5538842 |
Silver halide color photographic light-sensitive material |
Jul. 23, 1996 |
| 5538842 |
Silver halide color photographic light-sensitive material |
Jul. 23, 1996 |
| 5536625 |
Photographic peracid bleaches with ferric 2-pyridinecarboxylate and 2,6-pyridinecarboxylate catalysts |
Jul. 16, 1996 |
| 5523195 |
Photographic conditioning solution containing bleach accelerator, formaldehyde precursor and secondary amine and method of use |
Jun. 4, 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 |
| 5500334 |
Silver halide color photographic material containing pyrazole-substituted couplers |
Mar. 19, 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 |
| 5470697 |
Silver halide color photographic light sensitive material |
Nov. 28, 1995 |
| 5470696 |
Photographic color couplers and photographic materials containing them |
Nov. 28, 1995 |
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