Title:
【発明の名称】ハロゲン化銀感光材料
Document Type and Number:
Japanese Patent JP2692021
Kind Code:
B2
Abstract:
A silver halide photographic material which contains methine dyes represented by formula (I) to obtain high sensitivity and excellent storage stability: wherein Z1 and Z2 each represents atoms necessary to complete a 5- or 6-membered nitrogen-containing hetero ring; Q represents atoms necessary to complete a 5- or 6-membered ring; R1 represents an alkyl group, an aryl group or a heterocyclyl group; R2 and R3 each represents an alkyl group; L1, L2, L3, L4, L5 and L6 each represents a methine group; n1 and n2 each represents 0 or 1; M represents an ion for neutralizing electric charges; and m is a number necessary for neutralization of electric charges in the dye molecule, including 0.
Inventors:
Takashi Kato
Takanori Hioki
Tadashi Ikeda
Takanori Hioki
Tadashi Ikeda
Application Number:
JP26138991A
Publication Date:
December 17, 1997
Filing Date:
September 13, 1991
Export Citation:
Assignee:
Fuji Photo Film Co., Ltd.
International Classes:
C09B23/00; G03C1/12; G03C1/20; G03C1/26; G03C1/28; G03C1/805; G03C11/12; G03F3/10; G03F7/07; (IPC1-7): G03C1/20
Domestic Patent References:
| JP27037A | ||||
| JP3138642A | ||||
| JP63264743A | ||||
| JP63239437A |
Attorney, Agent or Firm:
Tadashi Hagino (3 outside)