EP 1103853 A1 20010530 - Colour photographic developer concentrate
Title (en)
Colour photographic developer concentrate
Title (de)
Photographisches Farbentwicklerkonzentrat
Title (fr)
Révélateur pour la photographie en couleur sous forme concentrée
Publication
Application
Priority
DE 19956629 A 19991125
Abstract (en)
A one-part, optionally multi-phase, colour developer concentrate which contains at least one colour developer substance, at least one auxiliary solvent, an antioxidant, a buffer system and alkali, wherein the antioxidant is a mixture of 0.1 to 100 mmol of hydroxylamine and 0.01 to 4 mol of one or more substituted hydroxylamines, does not darken on storage.
IPC 1-7
IPC 8 full level
G03C 5/26 (2006.01); G03C 7/407 (2006.01); G03C 7/413 (2006.01); G03C 7/44 (2006.01)
CPC (source: EP)
G03C 7/413 (2013.01); G03C 5/266 (2013.01); G03C 7/44 (2013.01)
Citation (search report)
- [DA] US 5891609 A 19990406 - PAPAI LASZLO [US]
- [A] EP 0528406 A1 19930224 - KONISHIROKU PHOTO IND [JP]
Designated contracting state (EPC)
BE DE FR GB IT
DOCDB simple family (publication)
EP 1103853 A1 20010530; EP 1103853 B1 20021030; DE 19956629 A1 20010613; DE 60000675 D1 20021205; DE 60000675 T2 20030703; JP 2001154322 A 20010608
DOCDB simple family (application)
EP 00203480 A 20001005; DE 19956629 A 19991125; DE 60000675 T 20001005; JP 2000357646 A 20001124