EP 0231814 A2 19870812 - Colour-photographic recording material and process for forming photographic images.
Title (en)
Colour-photographic recording material and process for forming photographic images.
Title (de)
Verbessertes farbfotografisches Aufzeichnungsmaterial und Verfahren zur Herstellung fotografischer Bilder.
Title (fr)
Matériau d'enregistrement photographique couleur et procédé pour former des images photographiques.
Publication
Application
Priority
DE 3603099 A 19860201
Abstract (en)
[origin: US4755452A] The stability to light of images produced from magenta couplers is improved by a combination of a hydroquinone and an indole.
Abstract (de)
Die Lichtstabilität von aus Purpurkupplern erzeugten Bildern wird verbessert durch eine Kombination aus einem Hydrochinon und einem Indol.
IPC 1-7
IPC 8 full level
G03C 7/26 (2006.01); G03C 7/392 (2006.01)
CPC (source: EP US)
G03C 7/39296 (2013.01 - EP US); G03C 7/39216 (2013.01 - EP US); G03C 7/39248 (2013.01 - EP US)
Designated contracting state (EPC)
BE DE FR GB IT NL
DOCDB simple family (publication)
EP 0231814 A2 19870812; EP 0231814 A3 19890125; DE 3603099 A1 19870806; DE 3603099 C2 19941110; JP S62186261 A 19870814; US 4755452 A 19880705
DOCDB simple family (application)
EP 87100781 A 19870121; DE 3603099 A 19860201; JP 1874787 A 19870130; US 464387 A 19870120