EP 0538793 A1 19930428 - Photographic processing kit.
Title (en)
Photographic processing kit.
Title (de)
Photographischer Verarbeitungssatz.
Title (fr)
Kit pour le traitement photographique.
Publication
Application
Priority
JP 30100691 A 19911021
Abstract (en)
In a photographic processing kit from which an acidic hardening fixer is prepared, a normally solid acid component having pKa of up to 5.0 is present as large size solid particles having a BET specific surface area of 3.00x10 DIVIDED <3> to 13.0x10 DIVIDED <3> m<2>/g. The acid component in large particle form is effective in preventing a local acute pH drop in the fixer solution during its preparation, thereby preventing sulfide formation in the fixer.
IPC 1-7
IPC 8 full level
CPC (source: EP)
G03C 5/265 (2013.01); G03C 5/386 (2013.01)
Citation (search report)
- [A] US 2203903 A 19400611 - PHILIP HAM GARNET
- [A] GB 647409 A 19501213 - EASTMAN KODAK CO, et al
- [A] US 1521840 A 19250106 - SHEPPARD SAMUEL E
- [A] EP 0405238 A1 19910102 - AGFA GEVAERT AG [DE]
- [A] GRANT HAIST 'modern photographic processing volume 1' 1979 , JOHN WILEY AND SONS (WILEY-INTERSCIENCE) , NEW YORK US
- [A] US-E-RE19354 (F A ELLIOT)
Designated contracting state (EPC)
BE DE FR GB
DOCDB simple family (publication)
EP 0538793 A1 19930428; JP 3088155 B2 20000918; JP H05113632 A 19930507
DOCDB simple family (application)
EP 92117926 A 19921020; JP 30100691 A 19911021