The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 18, 2000

Filed:

Sep. 03, 1998
Applicant:
Inventors:

Tetsuo Nakamura, Kanagawa, JP;

Ryuji Abe, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430574 ; 430585 ; 430611 ;
Abstract

A silver halide photographic material is described which contains at least one compound represented by the following formula (I) and at least one compound represented by the following formula (II): ##STR1## wherein R.sup.1 and R.sup.2 each represents an alkyl group; W represents a hydrogen atom, a methyl group or an ethyl group; V.sup.1, V.sup.2, V.sup.3 and V.sup.4 each represents a hydrogen atom, a fluorine atom, a chlorine atom, an alkoxyl group, a hydroxyl group or a carboxyl group; X.sup.1 represents a counter ion; and m represents a number of 0 or more necessary for neutralizing a charge in the molecule; ##STR2## wherein R.sup.3 and R.sup.4 each represents an alkyl group, and at least one of R.sup.3 and R.sup.4 represents a carboxyalkyl group or an alkanesulfonylcarbamoylalkyl group; Z represents a hydrogen atom, a methyl group or an ethyl group; Y represents an aryl group or a heterocyclic group; V.sup.5 and V.sup.6 each represents a hydrogen atom, a halogen atom, an alkoxyl group, a hydroxyl group or a carboxyl group; X.sup.2 represents a counter ion; and n represents a number of 0 or more necessary for neutralizing a charge in the molecule.


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