Title:
【発明の名称】ハロゲン化銀写真感光材料
Document Type and Number:
Japanese Patent JP2846480
Kind Code:
B2
Abstract:
The present invention provides dyes markedly excellent as sensitizing dyes for silver halide photographic light-sensitive materials. Said dyes are represented by the following formula (I): (I) wherein R1 and R2 may be identical or different and each represents an alkyl group, an aralkyl group, an alkenyl group or an aryl group, R3 represents a heterocyclic group, Z1 and Z2 may be identical or different and each represents a group of atoms necessary to form a 5- or 6-membered nitrogen-containing heterocyclic ring, X represents a counter ion, L1 to L5 each represents a methine group, and m and n each represents 0, 1 or 2.
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Inventors:
KANEKO SATOSHI
TANAKA AKIRA
TANAKA AKIRA
Application Number:
JP41917190A
Publication Date:
January 13, 1999
Filing Date:
December 13, 1990
Export Citation:
Assignee:
MITSUBISHI SEISHI KK
International Classes:
C09B23/00; C09B23/01; C09B23/02; C09B23/10; G03C1/12; G03C1/26; (IPC1-7): G03C1/26
Domestic Patent References:
| JP62227142A | ||||
| JP61169833A |