EP 0654148 A1 19950524 - 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)
Citation (search report)
See references of WO 9403834A1
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