EP 0585546 A3 19950809 - Photographic recording material.
Title (en)
Photographic recording material.
Title (de)
Fotografisches Aufzeichnungsmaterial.
Title (fr)
Produit photographique de reproduction d'images.
Publication
Application
Priority
DE 4229132 A 19920901
Abstract (en)
[origin: EP0585546A2] A colour-photographic recording material having at least one red-sensitive silver-halide emulsion layer to which a cyan coupler is assigned, at least one green-sensitive silver-halide emulsion layer to which a magenta coupler is assigned, and at least one blue-sensitive silver-halide emulsion layer to which a yellow coupler is assigned, and containing, in at least one of its layers, a hydroquinone diether compound of the formula I below and optionally at least one compound of one of the formulae II, III, IV and V given in the description, is distinguished by increased photostability of the image dyes formed on chromogenic development. <IMAGE> In the formula, R<1> is alkyl, cycloalkyl or aryl; R<2> is H or alkyl; R<3> and R<4> are H, alkyl, cycloalkyl, aryl, halogen, alkoxy, aroxy, acyloxy, alkylthio, arylthio, acyl, sulphonyl, sulphamoyl, acylamino, sulphonylamino or nitro; R<5> is H, acyl or alkyl; X is -O- or -NR<6>-; R<6> is H or alkyl; n is 0 or an integer from 1 to 3.
IPC 1-7
IPC 8 full level
G03C 7/392 (2006.01)
CPC (source: EP)
G03C 7/39232 (2013.01)
Citation (search report)
- [A] EP 0273412 A2 19880706 - KONISHIROKU PHOTO IND [JP]
- [DA] US 4735893 A 19880405 - MORIGAKI MASAKAZU [JP], et al
- [DA] US 4588679 A 19860513 - FURUTACHI NOBUO [JP]
- [X] PATENT ABSTRACTS OF JAPAN vol. 3, no. 92 (E - 128) 4 August 1979 (1979-08-04)
- [X] PATENT ABSTRACTS OF JAPAN vol. 11, no. 226 (P - 598) 23 July 1987 (1987-07-23)
Designated contracting state (EPC)
DE FR GB IT NL
DOCDB simple family (publication)
EP 0585546 A2 19940309; EP 0585546 A3 19950809; EP 0585546 B1 19980923; DE 59309004 D1 19981029
DOCDB simple family (application)
EP 93109236 A 19930608; DE 59309004 T 19930608