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Title:
SILVER HALIDE PHOTOGRAPHIC SENSITIVE MATERIAL
Document Type and Number:
Japanese Patent JPH11212208
Kind Code:
A
Abstract:

To obtain the silver halide photographic sensitive material high in sensitivity by incorporating a specified compound and specifying an average aspect ratio of silver halide grains.

The photographic sensitive material contains the silver halide grains having an average aspect ratio of 8-100 in a silver halide emulsion layer and in this layer at least one of the compounds represented by formula I-IV in which Z1 is an atomic group necessary to form a 5-or 6-membered N- containing hetero ring; each of L1-L4 is a methine group; each of V1 and V2 is a univalent group; E1 is 0, 1, 2, 3, or 4; p1 is 0 or 1; n1 is 0, 1, 2, car 3; each of R1 and R2 is an H atom or an alkyl or aryl or heterocyclic group; M1 is a charge-balancing counter ion; m1 is a number of 0-10 necessary to neutralize the charge in the molecule; and La is a methylene group.


Inventors:
HIOKI TAKANORI
Application Number:
JP24724598A
Publication Date:
August 06, 1999
Filing Date:
September 01, 1998
Export Citation:
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Assignee:
FUJI PHOTO FILM CO LTD
International Classes:
G03C1/015; C07D209/14; C07D215/14; C07D235/02; C07D235/14; C07D235/16; C07D263/56; C07D263/60; C07D277/64; C07D293/10; C07D293/12; C09B23/00; G03C1/035; G03C1/047; G03C1/22; (IPC1-7): G03C1/22; C07D215/14; C07D235/02; C07D235/14; C07D235/16; C07D263/56; C07D263/60; C07D277/64; C07D293/10; C07D293/12; C09B23/00; G03C1/015; G03C1/035; G03C1/047
Attorney, Agent or Firm:
Tadashi Hagino (4 outside)