Global Patent Index - EP 0649057 B1

EP 0649057 B1 20000112 - A photographic processing composition and a processing process therewith

Title (en)

A photographic processing composition and a processing process therewith

Title (de)

Photographische Verarbeitungszusammensetzung und zugehöriges Verarbeitungsverfahren

Title (fr)

Composition de traitement photographique et méthode de traitement l'utilisant


EP 0649057 B1 20000112 (EN)


EP 94116246 A 19941014


JP 25837293 A 19931015

Abstract (en)

[origin: EP0649057A2] A processing composition for a silver halide photographic material, which comprises at least one of Fe (III), Mn (III), Co (III), Rh (II), Rh (III), Au (II), Au (III), and Ce (IV) chelate compounds of a compound represented by formula (I) or a salt thereof: <CHEM> wherein R<1> represents a hydrogen atom, an aliphatic group or an aromatic group; R<2> represents an aromatic group; L<3> represents a divalent aliphatic group; n represents 0 or 1; X<1> represents a hydrogen atom or -L<4>-A<2>; L<1>, L<2> and L<4> each represents a divalent aliphatic group, a divalent aromatic group, or a divalent linkage group comprising a combination thereof; A<1> and A<2> each represent a carboxy group, a phosphono group, a sulfo group, or a hydroxy group; and Z represents an oxygen atom or a sulfur atom.

IPC 1-7

G03C 7/42

IPC 8 full level

C07C 237/06 (2006.01); C07C 237/08 (2006.01); C07C 237/12 (2006.01); C07C 309/51 (2006.01); C07F 9/38 (2006.01); C09K 3/00 (2006.01); G03C 7/42 (2006.01)

CPC (source: EP)

G03C 7/42 (2013.01)

Designated contracting state (EPC)


DOCDB simple family (publication)

EP 0649057 A2 19950419; EP 0649057 A3 19950920; EP 0649057 B1 20000112; DE 69422578 D1 20000217; DE 69422578 T2 20000615; JP 3075657 B2 20000814; JP H07114161 A 19950502

DOCDB simple family (application)

EP 94116246 A 19941014; DE 69422578 T 19941014; JP 25837293 A 19931015