EP 0709731 A3 19960724 - Color photographic silverhalide material
Title (en)
Color photographic silverhalide material
Title (de)
Farbfotografisches Silberhalogenidmaterial
Title (fr)
Produit photographique couleur à l'halogénure d'argent
Publication
Application
Priority
- DE 4438005 A 19941025
- DE 4443329 A 19941206
Abstract (en)
[origin: EP0709731A2] Colour photographic Ag halide (AgX) material has a base; red- (RS), green- (GS) and blue-sensitive (BS) AgX emulsion layer(s) contg. cyan, magenta and yellow coupler respectively; and spacer layer(s) (Z-1) under the lowest RS emulsion layer and/or spacer layer(s) (Z-2) under the lowest GS emulsion layer. The novelty is that Z-1 and/or Z-2 contains a AgX emulsion contg. tabular grains with an aspect ratio of >2 and an average dia. (ds) of the sphere of equal vol. is ≥ 0.3 mu and the dia. (dc) of the circle of equal projection area is ≥ 0.3 mu .
IPC 1-7
IPC 8 full level
G03C 7/00 (2006.01); G03C 1/76 (2006.01); G03C 7/30 (2006.01)
CPC (source: EP US)
G03C 7/3029 (2013.01 - EP US); G03C 1/0051 (2013.01 - EP); G03C 7/3022 (2013.01 - EP US); G03C 2007/3032 (2013.01 - EP); G03C 2200/19 (2013.01 - EP); G03C 2200/35 (2013.01 - EP)
Citation (search report)
- [XY] EP 0273411 A2 19880706 - FUJI PHOTO FILM CO LTD [JP]
- [Y] FR 2656434 A1 19910628 - KODAK PATHE [FR]
Designated contracting state (EPC)
BE DE FR GB NL
DOCDB simple family (publication)
EP 0709731 A2 19960501; EP 0709731 A3 19960724; JP H08211546 A 19960820; US 5599657 A 19970204
DOCDB simple family (application)
EP 95116097 A 19951012; JP 29726495 A 19951023; US 54724995 A 19951024