EP 0019178 B1 19821013 - PROCESS FOR THE PREPARATION OF MATTING LAYERS
Title (en)
PROCESS FOR THE PREPARATION OF MATTING LAYERS
Publication
Application
Priority
DE 2919822 A 19790516
Abstract (en)
[origin: US4287299A] For the production of matted outer layers of photographic silver halide recording materials particles of a copolymer of maleic acid anhydride and a C2-C8 monoolefin are dispersed in an aqueous solution of a hydrophilic colloid and the dispersion thus formed is applied to one or both surfaces of the photographic recording material and the layer is dried.
IPC 1-7
IPC 8 full level
G03C 1/04 (2006.01); G03C 1/32 (2006.01); G03C 1/76 (2006.01); G03C 1/95 (2006.01)
CPC (source: EP US)
G03C 1/95 (2013.01 - EP US); Y10S 430/151 (2013.01 - EP)
Designated contracting state (EPC)
BE CH DE FR GB
DOCDB simple family (publication)
EP 0019178 A2 19801126; EP 0019178 A3 19810527; EP 0019178 B1 19821013; DE 2919822 A1 19801127; DE 3060938 D1 19821118; JP H0215853 B2 19900413; JP S55153934 A 19801201; US 4287299 A 19810901
DOCDB simple family (application)
EP 80102426 A 19800505; DE 2919822 A 19790516; DE 3060938 T 19800505; JP 6290280 A 19800514; US 14949680 A 19800513