Global Patent Index - EP 0189604 A1

EP 0189604 A1 19860806 - Process for the production of a silver image including a stabilisation-fixing treatment.

Title (en)

Process for the production of a silver image including a stabilisation-fixing treatment.

Title (de)

Verfahren zur Herstellung eines Silberbildes, das eine Stabilisation-Fixierungsbehandlung umfasst.

Title (fr)

Procédé pour la production d'une image argentique comprenant un traitement de stabilisation-fixage.

Publication

EP 0189604 A1 19860806 (EN)

Application

EP 85200096 A 19850129

Priority

EP 85200096 A 19850129

Abstract (en)

A process for the production of a silver image including a stabilization-fixing treatment of said image formed by development of an imagewise exposed photographic silver halide emulsion material, wherein the imagewise exposed and developed silver halide emulsion material is treated with an aqueous solution containing an alkali metal thiosulphate and a cyclic thiourea compound corresponding to the following general formula or a tautomeric structure thereof: <CHEM> wherein: R represents hydrogen or a hydrocarbon group, and Z represents a bivalent saturated hydrocarbon group, including said group in substituted form, forming a 5- or 6-membered heterocyclic ring with the -NH-@-NR- group. f

IPC 1-7

G03C 5/39

IPC 8 full level

G03C 5/38 (2006.01); G03C 5/39 (2006.01)

CPC (source: EP)

G03C 5/39 (2013.01)

Citation (search report)

  • [Y] FR 2075615 A5 19711008 - AGFA GEVAERT AG
  • [Y] US 3854947 A 19741217 - RITCHEY E
  • [A] GB 1285696 A 19720816 - KODAK LTD [GB]
  • [Y] PATENTS ABSTRACTS OF JAPAN, vol. 7, no. 234 (P-230)[1379], 18th October 1983; & JP - A - 58 122 536 (MITSUBISHI SEISHI K.K.) 21-07-1983
  • [A] PATENTS ABSTRACTS OF JAPAN, vol. 9, no. 68 (P-344)[1791], 28 March 1985; & JP - A - 59 201 056 (KONISHIROKU SHASHIN KOGYO K.K.) 14-11-1984

Designated contracting state (EPC)

AT BE CH DE FR GB IT LI LU NL SE

DOCDB simple family (publication)

EP 0189604 A1 19860806; EP 0189604 B1 19880914; DE 3565014 D1 19881020; JP S61183645 A 19860816

DOCDB simple family (application)

EP 85200096 A 19850129; DE 3565014 T 19850129; JP 1462286 A 19860124