EP 1061416 A1 20001220 - 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 19927601 A 19990617
Abstract (en)
A two-part colour photographic developer concentrate in which part 1 contains at least one antioxidant, at least one auxiliary solvent, at least one optical brightener and at least one colour developer substance and part 2 contains at least one buffer substance, alkali and at least one water softener, may be produced by part 1 additionally containing 0.001 to 1 mol of hydroxylamine or a monoalkylated hydroxylamine or the salts thereof per litre of concentrate.
IPC 1-7
IPC 8 full level
G03C 7/413 (2006.01); G03C 5/26 (2006.01)
CPC (source: EP)
G03C 7/413 (2013.01); G03C 5/266 (2013.01); G03C 2200/44 (2013.01)
Citation (search report)
- [X] DE 2910251 A1 19790920 - MINNESOTA MINING & MFG
- [A] DE 3801536 A1 19890727 - AGFA GEVAERT AG [DE]
- [A] PATENT ABSTRACTS OF JAPAN vol. 1997, no. 01 31 January 1997 (1997-01-31)
Designated contracting state (EPC)
DE
DOCDB simple family (publication)
DOCDB simple family (application)
EP 00201918 A 20000529; DE 19927601 A 19990617