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Browse by Category: Main > Chemistry
Class Information
Number: 430/438
Name: Radiation imagery chemistry: process, composition, or product thereof > Post imaging processing > Developing > Using identified developer > Plural identified developers > Containing hydroquinone
Description: Processes wherein one of the developers is hydroquinone or derivative thereof.










Sub-classes under this class:

Class Number Class Name Patents
430/439 And amino substituted carbocyclic compound 36


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
6759187 Imaging element containing a blocked photographically useful compound Jul. 6, 2004
6506546 Imaging element containing a blocked photographically useful compound Jan. 14, 2003
6479198 Silver halide light-sensitive material containing tanning developing agent Nov. 12, 2002
6335102 Support for imaging material Jan. 1, 2002
6294316 Processes for manufacturing flexible printed wiring boards Sep. 25, 2001
6048675 Method for processing silver halide photographic material Apr. 11, 2000
6033836 Processing of low silver black-and-white photographic elements Mar. 7, 2000
5962199 Photographic image forming process Oct. 5, 1999
5882841 Silver halide photographic light-sensitive material and method for processing thereof Mar. 16, 1999
5876913 Dual-coated radiographic elements with limited hydrophilic colloid coating coverages Mar. 2, 1999
5871890 Method for processing roomlight handleable radiographic films using two-stage development Feb. 16, 1999
5856077 Single sided mammographic radiographic elements Jan. 5, 1999
5840472 Developer for silver halide photographic photosensitive material Nov. 24, 1998
5824459 Symmetrical thoracic cavity imaging radiographic element Oct. 20, 1998
5824460 Symmetrical radiographic elements for gastrointestinal tract imaging Oct. 20, 1998
5804357 Fine polymer particles having heterogeneous phase structure, silver photographic light sensitive material containing the fine polymer particles and image-forming method Sep. 8, 1998
5798204 Development processing method of ultrahigh-contrast black-and-white silver halide photographic material Aug. 25, 1998
5795704 Method of hardener-free processing of a forehardened silver halide photographic material Aug. 18, 1998
5780212 Photographic developing composition Jul. 14, 1998
5770351 Processing of monochrome photographic silver halide print material Jun. 23, 1998
5763148 Material for industrial radiography and development method thereof Jun. 9, 1998
5725998 Process for developing black-and-white silver halide photographic light-sensitive materials containing a hydrazine compound and a nucleation compound, in a developer containing a developing ag Mar. 10, 1998
5545508 Photographic silver halide developer compositions and process for forming photographic silver images Aug. 13, 1996
5534389 Processing method of black-and-white light-sensitive silver halide photographic material and processing agent for the same Jul. 9, 1996
5508152 Method for processing a silver halide photographic material Apr. 16, 1996
5484690 Silver halide photographic material Jan. 16, 1996
5427891 Method for developing a silver halide photographic material Jun. 27, 1995
5419997 Method for processing silver halide photographic material May. 30, 1995
5397687 X-ray silver halide photographic material suitable for rapid processing systems Mar. 14, 1995
5389502 Hardening developer for silver halide photography and development method Feb. 14, 1995
5385811 Method for processing silver halide photographic materials Jan. 31, 1995
5382507 Method for processing black-and-white silver halide photographic light-sensitive materials Jan. 17, 1995
5368983 Method for forming an image Nov. 29, 1994
5344741 Method for photographic development Sep. 6, 1994
5298369 Use of colloidal silver to improve push processing of a reversal photographic element Mar. 29, 1994
5296342 Method of developing x-ray materials Mar. 22, 1994
H1263 Image forming method and apparatus Dec. 7, 1993
5266442 Method for increasing the contrast of photographic silver images Nov. 30, 1993
5240823 Developer composition Aug. 31, 1993
5232823 Method for development of silver halide light-sensitive black and white material Aug. 3, 1993
5215873 Process for developing silver halide recording materials Jun. 1, 1993
5210010 Silver halide developing solutions May. 11, 1993
5187050 Method for automatic processing of silver halide photographic material Feb. 16, 1993
5155014 Method of developing direct positive silver halide material Oct. 13, 1992
5141843 Developer liquid for high contrast development Aug. 25, 1992
5139921 Process for forming super high contrast negative images Aug. 18, 1992
5114836 Method of development comprising intermittently spraying a photographic material May. 19, 1992
5043252 Developer composition for PS plates for use in making lithographic printing plate and method of plate-making Aug. 27, 1991
5041363 Method of processing light-sensitive silver halide photographic material Aug. 20, 1991
5004670 High-contrast development process for silver halide photographic material Apr. 2, 1991

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