Title:
PHOTOGRAPHIC BLEACHING OR BLEACH-FIXING COMPOSITION AND PHOTOGRAPHIC PROCESSING METHOD
Document Type and Number:
Japanese Patent JP2002107889
Kind Code:
A
Abstract:
To provide a PDTA system bleaching or bleach-fixing composition which will not form deposits, even if inorganic phosphate ions are present.
The photographic bleaching or bleach-fixing composition contains (a) ≥0.01 mol/l bleaching agent, containing a ferric ion chelated with 1,3-propylenediaminetetraacetic acid or its salt, and (b) ≥0.005 mol/l of organic polyphosphonic acid, aminopolysuccinic acid or polycarboxylic acid containing one or more hydroxyl groups as a compound for preventing the deposition of the bleaching agent, and the pH of the aqueous solution of the composition is ≥4.
More Like This:
| JP2003057762 | COLOR IMAGE FORMING METHOD |
| JPH08160576 | SILVER HALIDE COLOR PHOTOSENSITIVE MATERIAL |
Inventors:
PRICE HARRY J
HENRY WILLIAM G
KAPECKI JON A
BRAITSCH DAVID M
HENRY WILLIAM G
KAPECKI JON A
BRAITSCH DAVID M
Application Number:
JP2001270623A
Publication Date:
April 10, 2002
Filing Date:
September 06, 2001
Export Citation:
Assignee:
EASTMAN KODAK CO
International Classes:
G03C7/00; G03C7/30; G03C7/42; (IPC1-7): G03C7/42; G03C7/00
Attorney, Agent or Firm:
Takashi Ishida (4 others)