EP 0654148 B1 19971015 - USE OF KETOGLUCONATES IN PHOTOGRAPHY
Title (en)
USE OF KETOGLUCONATES IN PHOTOGRAPHY
Title (de)
VERWENDUNG VON KETOGLUCONATEN IN DER PHOTOGRAPHIE
Title (fr)
UTILISATION DE CETOGLUCONATES EN PHOTOGRAPHIE
Publication
Application
Priority
- US 9305802 W 19930622
- US 92609292 A 19920805
Abstract (en)
[origin: WO9403834A1] Derivatives of ketogluconic acid have been found to be useful as developing agents for photographic media.
IPC 1-7
IPC 8 full level
G03C 5/29 (2006.01); G03C 5/30 (2006.01); G03C 5/305 (2006.01)
CPC (source: EP)
G03C 5/30 (2013.01)
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IE IT LI LU NL PT SE
DOCDB simple family (publication)
WO 9403834 A1 19940217; AT E159350 T1 19971115; AU 4639093 A 19940303; AU 672418 B2 19961003; CA 2140541 A1 19940217; DE 69314652 D1 19971120; DE 69314652 T2 19980416; DK 0654148 T3 19980602; EP 0654148 A1 19950524; EP 0654148 B1 19971015; ES 2111760 T3 19980316; JP 2801084 B2 19980921; JP H07506200 A 19950706
DOCDB simple family (application)
US 9305802 W 19930622; AT 93916592 T 19930622; AU 4639093 A 19930622; CA 2140541 A 19930622; DE 69314652 T 19930622; DK 93916592 T 19930622; EP 93916592 A 19930622; ES 93916592 T 19930622; JP 50528794 A 19930622