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Patent Searching and Data


Title:
SILVER HALIDE PHOTOGRAPHIC SENSITIVE MATERIAL
Document Type and Number:
Japanese Patent JPH04321041
Kind Code:
A
Abstract:

PURPOSE: To suppress the stains (density increase in nonimage parts) at the time of preservation by incorporating at least one kind of specific cyan dye forming couplers and specific compds. into photograph constituting layers.

CONSTITUTION: At least one kind of the cyan dye forming couplers expressed by formula I and the compds. expressed by formulas II to IV are incorporated into the photograph constituting layers. In the formula I, R denotes a group which can be bonded to a carbonyl group; R3 denotes an aryl group or heterocyclic group; Z denotes a hydrogen atom or coupling elimination group. In the formulas II to V, Rx denotes an aliphat. group, arom. group or heterocyclic group; Link denotes a single bond or -O-; Ar denotes an arom. group; Ra, Rb and Rc denote a hydrogen atom, aliphat. group, arom. group, heterocyclic group, alkoxy group, sulfamoyl group, etc.; Z1 and Z2, denote the nonmetal atom group necessary for forming 5- to 7-membered heterocycles. Then, the generation of the stains is suppressed during the long-term preservation.


Inventors:
SAKAI SHUICHI
YAMAZAKI SHIGERU
SETO NOBUO
MORIGAKI MASAKAZU
Application Number:
JP11689391A
Publication Date:
November 11, 1992
Filing Date:
April 20, 1991
Export Citation:
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Assignee:
FUJI PHOTO FILM CO LTD
International Classes:
G03C7/34; G03C7/392; (IPC1-7): G03C7/34; G03C7/392
Attorney, Agent or Firm:
Toshizo Iida