Title (en)

Colour photographic developer concentrate

Title (de)

Photographisches Farbentwicklerkonzentrat

Title (fr)

Révélateur pour la photographie en couleur sous forme concentrée

Publication

EP 1061416 A1 20001220 (EN)

Application

EP 00201918 A 20000529

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

G03C 7/407; G03C 7/44

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)

EP 1061416 A1 20001220; DE 19927601 A1 20010111

DOCDB simple family (application)

EP 00201918 A 20000529; DE 19927601 A 19990617