Title:
BLEACH-FIXING COMPOSITION CONTAINING THREE-COMPONENT FERRIC COMPLEX SALT
Document Type and Number:
Japanese Patent JP3464540
Kind Code:
B2
Abstract:
PURPOSE: To obtain a stable biodegradable compsn. having high bleaching efficiency for bleach-fixing an imagewise exposed and developed silver halide photographic element by incorporating a specified three-component ferric complex salt.
CONSTITUTION: This bleach-fixing compsn. contains a fixing agent and a three- component ferric complex salt formed with a tridentate ligand represented by formula I and a tetradentate ligand represented by formula II. In the formulae I, II, R is H, optionally substd. alkyl, aryl, arylalkyl or a heterocyclic group, preferably alkyl, X is an arbitrary combining group not bonding to a ferric ion or making the compd. water-insoluble, preferably optionally substd. alkylene, arylene, arylalkylene or a heterocyclic group and each of (m), (n), (p) and (q) is, 2 or 3.
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Inventors:
Stuart Terrance Gordon
Keith Henry Stephen
Eric Richard Brown
Celia André Andrea
Mary Morris Podhawk
William George Henry
Keith Henry Stephen
Eric Richard Brown
Celia André Andrea
Mary Morris Podhawk
William George Henry
Application Number:
JP23120194A
Publication Date:
November 10, 2003
Filing Date:
September 27, 1994
Export Citation:
Assignee:
Eastman Kodak Company
International Classes:
G03C7/42; (IPC1-7): G03C7/42
Domestic Patent References:
| JP247652A | ||||
| JP60230653A |
Attorney, Agent or Firm:
Takashi Ishida (5 others)