EP 0556716 B1 20000503 - Color developer for silver halide color photographic light-sensitive material
Title (en)
Color developer for silver halide color photographic light-sensitive material
Title (de)
Farbentwickler für ein farbphotographisches lichtempfindliches Silberhalogenidmaterial
Title (fr)
Révélateur couleur pour matériau photographique couleur à l'halogénure d'argent sensible à la lumière
Publication
Application
Priority
JP 6929692 A 19920220
Abstract (en)
[origin: EP0556716A2] Disclosed is a color developer for a silver halide color photographic light-sensitive material comprising at least one compound represented by Formula 1, and a color developing agent in an amount not less than 0.02 mol/l, and a compound selected from the group consisting of an aromatic sulfonic acid and an aromatic compound having a -O-SO3-R group in an amount not less than 2.5 mol per mol of a color developing agent: wherein R represents a hydrogen atom, a sodium atom, a potassium atom, an ammonium group or an lithium atom: <CHEM> wherein A and B each represent a linear or branched alkylene group, n and m each represent an integer of 0 to 100, provided that both A and B are not 0, and A or B is a linear or branched alkylene group having 3 or more carbon atoms when n + m =1. The color developer improves the maintenance efficiency of an automatic processor.
IPC 1-7
IPC 8 full level
G03C 7/407 (2006.01); G03C 7/413 (2006.01)
CPC (source: EP)
G03C 7/413 (2013.01)
Designated contracting state (EPC)
DE FR GB NL
DOCDB simple family (publication)
EP 0556716 A2 19930825; EP 0556716 A3 19950510; EP 0556716 B1 20000503; DE 69328510 D1 20000608; DE 69328510 T2 20000914; JP 3025368 B2 20000327; JP H05232653 A 19930910
DOCDB simple family (application)
EP 93102126 A 19930211; DE 69328510 T 19930211; JP 6929692 A 19920220