EP 0443530 A3 19920205 - PHOTOGRAPHIC MATERIAL AND PROCESS COMPRISING WASH-OUT NAPHTHOLIC COUPLER
Title (en)
PHOTOGRAPHIC MATERIAL AND PROCESS COMPRISING WASH-OUT NAPHTHOLIC COUPLER
Publication
Application
Priority
US 48360190 A 19900222
Abstract (en)
[origin: EP0443530A2] A photographic naphtholic coupler comprising a ballast free naphtholic coupler moiety containing a -CONH2 group in the 2- position and a ballasted coupling-off group in the 4- position enables good wash out of dye formed upon oxidative coupling from a photographic material during processing of such a photographic material. Such a naphtholic coupler is useful in photographic silver halide materials and processes.
IPC 1-7
IPC 8 full level
G03C 7/305 (2006.01); G03C 7/34 (2006.01)
CPC (source: EP)
G03C 7/30523 (2013.01)
Citation (search report)
- [AD] US 4248962 A 19810203 - LAU PHILIP T S
- [AD] US 4482629 A 19841113 - NAKAGAWA SATOSHI [JP], et al
- [A] DE 3823049 A1 19890309 - AGFA GEVAERT AG [DE]
- [AD] US 4861701 A 19890829 - BURNS PAUL A [US], et al
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
EP 0443530 A2 19910828; EP 0443530 A3 19920205; EP 0443530 B1 19960410; CA 2036041 A1 19910823; DE 69118569 D1 19960515; DE 69118569 T2 19961121; JP H04356042 A 19921209
DOCDB simple family (application)
EP 91102367 A 19910219; CA 2036041 A 19910208; DE 69118569 T 19910219; JP 2884391 A 19910222