EP 0071344 B1 19860129 - STABLE PHOTOGRAPHIC DEVELOPER AND REPLENISHER THEREFOR
Title (en)
STABLE PHOTOGRAPHIC DEVELOPER AND REPLENISHER THEREFOR
Publication
Application
Priority
US 28633181 A 19810723
Abstract (en)
[origin: EP0071344A1] An aqueous photographic silver halide developer/replenisher solution particularly useful in low throughput machine processing of exposed X-ray silver halide film contains 1-phenyl-3-pyrazolidone, hydroquinone, bromide ion, organic antifoggant and film speed restrainer and is buffered with an alkaline material to a pH of 10 +/- 0.3, replenisher having a lower pH than developer.
IPC 1-7
IPC 8 full level
G03C 5/29 (2006.01); G03C 5/30 (2006.01); G03C 5/31 (2006.01)
CPC (source: EP)
Citation (examination)
US 4046571 A 19770906 - MERTZ JOHN R
Designated contracting state (EPC)
BE DE FR GB
DOCDB simple family (publication)
EP 0071344 A1 19830209; EP 0071344 B1 19860129; AU 554484 B2 19860821; AU 8629682 A 19830127; CA 1181624 A 19850129; DE 3268792 D1 19860313; JP H0336204 B2 19910530; JP S5837644 A 19830304; MX 161751 A 19901220; NZ 201355 A 19850320; ZA 825244 B 19840328
DOCDB simple family (application)
EP 82303437 A 19820630; AU 8629682 A 19820722; CA 407806 A 19820722; DE 3268792 T 19820630; JP 12685982 A 19820722; MX 19369282 A 19820722; NZ 20135582 A 19820722; ZA 825244 A 19820722