Global Patent Index - EP 0534218 A1

EP 0534218 A1 19930331 - Silver halide photographic material having improved resistance to pressure desensitization.

Title (en)

Silver halide photographic material having improved resistance to pressure desensitization.

Title (de)

Photographisches Silberhalogenidmaterial mit verbessertem Widerstand gegen Druckdesensibilisierung.

Title (fr)

Matériau photographique à l'halogénure d'argent ayant une meilleure résistance à la désensibilisation et à la pression.

Publication

EP 0534218 A1 19930331 (EN)

Application

EP 92115267 A 19920907

Priority

IT MI912568 A 19910926

Abstract (en)

A light-sensitive silver halide photographic material to obtain black-and-white half-tone, dot or line, images comprising a support and coated thereon one or more hydrophilic layers, at least one of said hydrophilic layers including a high chloride content silver halide emulsion, wherein said silver halide emulsion comprises a polyhydroxybenzene and wherein the outermost hydrophilic layer comprises a polydialkylsiloxane. The photographic material show a better resistance to pressure desensitization.

IPC 1-7

G03C 1/06

IPC 8 full level

G03C 1/04 (2006.01); G03C 1/035 (2006.01); G03C 1/06 (2006.01); G03C 1/76 (2006.01)

CPC (source: EP)

G03C 1/06 (2013.01)

Citation (search report)

  • [AD] EP 0209010 A2 19870121 - EASTMAN KODAK CO [US]
  • [A] WORLD PATENTS INDEX LATEST Week 8826, Derwent Publications Ltd., London, GB; AN 88-179022 & JP-A-63 116 149 (KONISHIROKU PHOTO KK) 20 May 1988

Designated contracting state (EPC)

DE FR GB IT

DOCDB simple family (publication)

EP 0534218 A1 19930331; EP 0534218 B1 19950621; DE 69203064 D1 19950727; DE 69203064 T2 19951221; IT 1251885 B 19950526; IT MI912568 A0 19910926; IT MI912568 A1 19930326; JP H05204074 A 19930813

DOCDB simple family (application)

EP 92115267 A 19920907; DE 69203064 T 19920907; IT MI912568 A 19910926; JP 25632392 A 19920925