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Class Information
Number: 430/491
Name: Radiation imagery chemistry: process, composition, or product thereof > Nonradiation sensitive image processing compositions or process of making > Developer > Processing additive containing > Sequestrant
Description: Compositions wherein the additive reacts with metal ions to provide a stable, soluble complex, thereby preventing the metal ions from taking part in undesirable reactions.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6900004 |
Concentrated color developer composition used for silver halide photographic sensitized material and processing method by use thereof |
May. 31, 2005 |
| 6645709 |
Photographic color developing composition containing calcium ion sequestering agent combination and method of use |
Nov. 11, 2003 |
| 6503696 |
Calcium ion stable photographic color developing composition and method of use |
Jan. 7, 2003 |
| 6416940 |
Calcium ion stable photographic color developing composition and method of use |
Jul. 9, 2002 |
| 6340560 |
Aminopolycarboxylic acid chelating agent, heavy metal chelate compound thereof, photographic additive and processing method |
Jan. 22, 2002 |
| 6312877 |
Calcium ion stable photographic color developing concentrate and method of manufacture |
Nov. 6, 2001 |
| 6162575 |
Process for making lithographic printing plate |
Dec. 19, 2000 |
| 6159670 |
Calcium ion stable photographic color developing concentrate and method of manufacture |
Dec. 12, 2000 |
| 6136518 |
Multi-part photographic color developing composition and methods of manufacture and use |
Oct. 24, 2000 |
| 6037111 |
Lithium and magnesium ion free color developing composition and method of photoprocessing |
Mar. 14, 2000 |
| 5985527 |
Silver halide photographic light-sensitive material and method for forming images |
Nov. 16, 1999 |
| 5948603 |
Method of processing black and white silver halide photographic light sensitive material |
Sep. 7, 1999 |
| 5853956 |
Processing method of silver halide light sensitive photographic material |
Dec. 29, 1998 |
| 5851723 |
Process for making lithographic printing plate |
Dec. 22, 1998 |
| 5821037 |
Photographic developer-amplifier composition |
Oct. 13, 1998 |
| 5773202 |
Method for processing color photographic films using a peroxide bleaching composition |
Jun. 30, 1998 |
| 5763147 |
Method for processing high silver bromide color negative photographic films using a peroxide bleaching composition |
Jun. 9, 1998 |
| 5756253 |
Photographic element and method |
May. 26, 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 |
| 5707790 |
Developing composition for silver halide photographic light-sensitive material |
Jan. 13, 1998 |
| 5707787 |
Processing solution for silver halide photographic light-sensitive materials |
Jan. 13, 1998 |
| 5702873 |
Redox amplification solutions containing metal ion sequestering agents |
Dec. 30, 1997 |
| 5683858 |
Photographic bleach composition |
Nov. 4, 1997 |
| 5629139 |
Photographic processing solution composition |
May. 13, 1997 |
| 5595860 |
Process for the processing of silver halide color photographic material |
Jan. 21, 1997 |
| H1607 |
Multiactive electrophotographic element |
Nov. 5, 1996 |
| H1608 |
Method of processing silver halide photographic light-sensitive material |
Nov. 5, 1996 |
| 5547817 |
Photographic processing using a novel chelating complex |
Aug. 20, 1996 |
| 5510231 |
Solid developing composition for silver halide photographic light-sensitive material and processing method using the same |
Apr. 23, 1996 |
| 5508153 |
Composition for developing a black-and-white silver halide photographic light-sensitive material |
Apr. 16, 1996 |
| 5506092 |
Method of processing black and white silver halide photographic compositions with a developer containing an anti sludgant |
Apr. 9, 1996 |
| 5503966 |
Photographic developing compositions and use thereof in the processing of photographic elements |
Apr. 2, 1996 |
| 5399457 |
Process for reducing sludge in diffusion transfer printing plates |
Mar. 21, 1995 |
| 5389502 |
Hardening developer for silver halide photography and development method |
Feb. 14, 1995 |
| 5382507 |
Method for processing black-and-white silver halide photographic light-sensitive materials |
Jan. 17, 1995 |
| 5376510 |
Concentrated photographic developing solution |
Dec. 27, 1994 |
| 5318881 |
Method of processing a silver halide radiographic material |
Jun. 7, 1994 |
| 5260185 |
Concentrated color developer composition for silver halide photographic light-sensitive materials |
Nov. 9, 1993 |
| 5254444 |
Photographic processing composition and processing method using the same |
Oct. 19, 1993 |
| 5217855 |
Processing composition for silver halide color photographic material and processing method |
Jun. 8, 1993 |
| 5206119 |
Method of processing light-sensitive silver halide color photographic material, and stabilizing solution and stabilizing agent kit used for said light-sensitive material |
Apr. 27, 1993 |
| 5155004 |
Chitosan or chitin derivative and method for processing silver halide photographic material by using the same |
Oct. 13, 1992 |
| 5147767 |
Gluconic acid-based developer composition |
Sep. 15, 1992 |
| 5098819 |
Non-toxic photographic developer composition |
Mar. 24, 1992 |
| 5094937 |
Method for processing silver halide color photographic material |
Mar. 10, 1992 |
| 5077179 |
Method for processing silver halide photosensitive material having a controlled amount of calcium and including the replenshing of washing water |
Dec. 31, 1991 |
| 5055381 |
Method for processing silver halide photosensitive materials including the replenishing of washing water having a controlled amount of calcium and magnesium compounds |
Oct. 8, 1991 |
| 5053322 |
Method for processing silver halide color photographic materials having a reflective support |
Oct. 1, 1991 |
| 5037727 |
Activator solution with cold image tone-providing agent |
Aug. 6, 1991 |
| 5034308 |
Method for processing silver halide photosensitive material including the replenishing of washing water containing a chelating agent and a controlled amount of calcium and magnesium compounds |
Jul. 23, 1991 |
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