Global Patent Index - EP 0202784 B1

EP 0202784 B1 19910925 - SILVER HALIDE PHOTOGRAPHIC LIGHT-SENSITIVE MATERIAL

Title (en)

SILVER HALIDE PHOTOGRAPHIC LIGHT-SENSITIVE MATERIAL

Publication

EP 0202784 B1 19910925 (EN)

Application

EP 86303072 A 19860423

Priority

JP 8665985 A 19850423

Abstract (en)

[origin: EP0202784A2] A negative type silver halide photographic material comprising silver halide grains of core-shell structure which consists of an inner core essentially consisting of silver bromide iodobromide and a plurality of shells, essentially consisting of silver bromide or silver iodobromide, wherein said silver halide grains comprises (a) an outermost shell containing from 0 to 10 mol% silver iodide, (b) a highly iodide-containing shell provided inside said outermost shell, of which the silver iodide content is at least 6 mol% higher than that of said outermost shell, and (c) and intermediate shell provided between the shells (a) and (b) the silver iodide content of said intermediate shell being at least 3 mol% higher than that of said outermost shell, and at least 3 mol% lower than that of said high iodide-containing shell.

IPC 1-7

G03C 1/005

IPC 8 full level

G03C 1/005 (2006.01); G03C 1/035 (2006.01)

CPC (source: EP)

G03C 1/035 (2013.01); G03C 2001/03535 (2013.01); G03C 2001/03558 (2013.01)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 0202784 A2 19861126; EP 0202784 A3 19880323; EP 0202784 B1 19910925; DE 3681631 D1 19911031; JP H0431379 B2 19920526; JP S61245151 A 19861031

DOCDB simple family (application)

EP 86303072 A 19860423; DE 3681631 T 19860423; JP 8665985 A 19850423