Document Type and Number:
Japanese Patent JPH0124295
Kind Code:
B2
Abstract:
A photographic material for diffusion transfer photography containing a quinonoid compound, which is capable in reduced state and under alkaline conditions of releasing a photographically useful group and corresponds to one of the following general formulae: (A) (B) wherein: each of (Nuox)1 and (Nuox)2 (same or different) represents an oxidized nucleophilic group, Z represents a bivalent atom or bivalent atomic group, which is electro-negative, Q together with the group Z represents a releasable photographically useful group, Y1 and Y2 together represent the necessary atoms to close a p-quinonoid ring substituted with (a) directly linked monovalent organic ring or ring system substituent(s) having aromatic character, Y3 represents the necessary atoms to close a o-quinonoid ring substituted with (a) directly linked monovalent organic ring or ring system substituent(s) having aromatic character, and each of R1 and R2 (same or different) represents hydrogen or a (substituted) hydrocarbon group, and at least one of R1, R2 and a substituent on the quinonoid ring being or carrying a ballasting group.
Inventors:
KURISUCHAN SHARURU UAN DO SANDO
UIRUERUMUSU JANSAN
UORUFUGANGU RESUIHI
ERUNSUTO MAIAA
UIRUERUMUSU JANSAN
UORUFUGANGU RESUIHI
ERUNSUTO MAIAA
Application Number:
JP5545481A
Publication Date:
May 11, 1989
Filing Date:
April 13, 1981
Export Citation:
Assignee:
AGFA GEVAERT NV
International Classes:
C09B57/00; C07C45/46; C07C45/64; C07C46/00; C07C46/06; C07C49/825; C07C49/83; C07C50/38; C07C66/00; C07D257/04; G03C8/22
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