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Current content: 157 484 516 patent documents

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147 225 new documents added

921 612 documents amended

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EP 0378841 B1 19951115 - Silver halide photographic light-sensitive material.

Title (en)

Silver halide photographic light-sensitive material.

Title (de)

Photographisches lichtempfindliches Silberhalogenidmaterial.

Title (fr)

Matériau photographique à l'halogénure d'argent sensible à la lumière.

Publication

EP 0378841 B1 19951115 (EN)

Application

EP 89123734 A 19891222

Priority

JP 32459888 A 19881222

Abstract (en)

[origin: EP0378841A1] An emulsion layer containing silver halide grains reduction-sensitized by an ascorbic acid or at least one of its derivatives and containing a nitrogen-containing heterocyclic compound having a mercapto group is formed on a support.

IPC 1-7

G03C 1/10; G03C 1/34

IPC 8 full level

G03C 7/26 (2006.01); G03C 1/06 (2006.01); G03C 1/10 (2006.01); G03C 1/34 (2006.01); G03C 7/392 (2006.01)

CPC (source: EP)

G03C 1/10 (2013.01); G03C 1/346 (2013.01)

Designated contracting state (EPC)

DE GB

DOCDB simple family (publication)

EP 0378841 A1 19900725; EP 0378841 B1 19951115; DE 68924840 D1 19951221; DE 68924840 T2 19960613; JP 2578188 B2 19970205; JP H02168247 A 19900628

DOCDB simple family (application)

EP 89123734 A 19891222; DE 68924840 T 19891222; JP 32459888 A 19881222