Global Patent Index - EP 0071122 B1

EP 0071122 B1 19860305 - COLOUR-PHOTOGRAPHIC RECORDING MATERIAL

Title (en)

COLOUR-PHOTOGRAPHIC RECORDING MATERIAL

Publication

EP 0071122 B1 19860305 (DE)

Application

EP 82106439 A 19820717

Priority

DE 3130079 A 19810730

Abstract (en)

[origin: US4464464A] The color yield and color granularity of color photographic recording materials is improved by using compounds of the general formula I as the sole or as additional oil formers in coupler-containing internal layers. The effect is particularly clear in layers having the small amount of gelatine. <IMAGE> I wherein: R1 is an aliphatic group having at least 8 carbon atoms, R2 is hydrogen or alkyl, R3 is a heterocyclic group or -(X)n-R4, R4 is aryl, X is -O-, -NH-, -NCH3-, or -CH=CH-, m is 0, 1 or 2, and n is 0 or 1.

IPC 1-7

G03C 7/26

IPC 8 full level

G03C 7/26 (2006.01); G03C 1/06 (2006.01); G03C 7/388 (2006.01)

CPC (source: EP US)

G03C 7/3885 (2013.01 - EP US)

Designated contracting state (EPC)

CH DE GB LI

DOCDB simple family (publication)

EP 0071122 A1 19830209; EP 0071122 B1 19860305; DE 3130079 A1 19830217; DE 3269616 D1 19860410; JP S5834447 A 19830228; US 4464464 A 19840807

DOCDB simple family (application)

EP 82106439 A 19820717; DE 3130079 A 19810730; DE 3269616 T 19820717; JP 12911082 A 19820726; US 40183782 A 19820726