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Browse by Category: Main > Chemistry
Class Information
Number: 430/400
Name: Radiation imagery chemistry: process, composition, or product thereof > Regenerating image processing composition > Bleach-fix
Description: Processes wherein bleach-fix composition is regenerated.


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7351522 Concentrated processing composition for silver halide color paper and method of processing Apr. 1, 2008
7160674 Photographic chemicals bundle Jan. 9, 2007
6949331 Method of reusing photographic processing waste solution, and photographic processing agent Sep. 27, 2005
6893807 Photographic processing system May. 17, 2005
6875359 Developer waste liquid regenerating apparatus and method Apr. 5, 2005
6723247 Method for processing a color reversal photographic film Apr. 20, 2004
6702487 Photographic processor for silver halide photographic material and remote control system for the processor Mar. 9, 2004
6645708 Photofinishing processing system and a processing solution supply cartridge for the processing system Nov. 11, 2003
6534253 Direct photographic bleach-fixing replenishment using ferrous bleach-fixing precursor composition Mar. 18, 2003
6451519 Bleach regenerator composition and its use to process reversal color photographic elements Sep. 17, 2002
6440651 Concentrated photographic fixer additive and fixing compositions and method of photographic processing Aug. 27, 2002
6387243 Separation of metal ions absorbed on a resin and installation for recycling photographic effluents including an exchanger and an electrolytic vessel May. 14, 2002
6180326 Method for the decontamination of a photographic bath using heat-reversible polymer particles Jan. 30, 2001
6132941 Method of replenishment for processing Oct. 17, 2000
6117315 Process and device for recycling washing water in photographic processing Sep. 12, 2000
6083673 Organic/inorganic developer composition Jul. 4, 2000
5989433 Method of treating a photographic processing solution Nov. 23, 1999
5981152 Method for processing black-white silver halide photographic light-sensitive material by an automatic processor Nov. 9, 1999
5972576 Method of decontaminating a photographic bath with heat-reversible polymers Oct. 26, 1999
5961939 Process for recovery of silver from hardening photoprocessing solutions Oct. 5, 1999
5958245 Method for regenerating seasoned aqueous fixing or bleach/fixing solutions Sep. 28, 1999
5958657 Regeneration of spent fixer solution Sep. 28, 1999
5928843 Method for processing exposed silver-based photographic material Jul. 27, 1999
5922520 Photographic processing method and tank Jul. 13, 1999
5888707 Method of processing photographic material Mar. 30, 1999
5858631 Processing color photographic materials Jan. 12, 1999
5858630 Process for treating a photographic bath containing organic contaminants Jan. 12, 1999
5856074 Fixing bath Jan. 5, 1999
5834170 Photographic bleach regenerator composition formulated with bromide ion from two sources Nov. 10, 1998
5814437 Method for processing silver halide photographic light-sensitive material Sep. 29, 1998
5783374 Process for processing photographic baths from color processes Jul. 21, 1998
5780189 Apparatus and method for controlling the chemical activity of processing solution in a photographic processing apparatus Jul. 14, 1998
5736304 Method of processing black-and-white photographic materials Apr. 7, 1998
5719010 Treatment method for treating effluents from a photographic development process Feb. 17, 1998
5716766 Method and apparatus for the electrolytic treatment of bleach-fix baths, as well as an apparatus for processing photographic materials Feb. 10, 1998
5683839 Method of processing black and white photographic silver halide materials Nov. 4, 1997
5679503 Method and device for the selective extraction of halide ions from photographic baths Oct. 21, 1997
5650264 Method for forming an image on a silver halide color photographic material Jul. 22, 1997
5633125 Process for extracting halide ions from fixing baths used in photography May. 27, 1997
5627005 Kit for supplying photoprocessing chemicals May. 6, 1997
5620834 Method of processing photographic silver halide materials Apr. 15, 1997
5616452 Photographic processor and method for replenishing Apr. 1, 1997
5580706 Method for processing silver halide photographic materials using an automatic developing apparatus containing hot rollers Dec. 3, 1996
5580705 Method of bleaching silver halide color photographic light-sensitive materials using particular ferric chelates Dec. 3, 1996
5578431 Method of processing photographic silver halide materials without replenishment Nov. 26, 1996
5578428 Process and apparatus for the peroxide bleaching of photographic materials Nov. 26, 1996
5578429 Method of processing photographic silver halide materials Nov. 26, 1996
5578430 Method of processing photographic silver halide materials without replenishment Nov. 26, 1996
5573895 Recycling method for photographic processing waste liquid Nov. 12, 1996
5573896 Method for processing silver halide color photographic elements using processors having low volume thin tank designs Nov. 12, 1996

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