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.
Patent No.:
Date of Patent:
Sep. 07, 1993
Filed:
Jun. 22, 1990
Applicant:
Inventors:
Tadahisa Sato, Kanagawa, JP;
Nobuo Furutachi, Kanagawa, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430558 ; 430551 ; 430386 ; 430387 ;
Abstract
A silver halide photographic material comprising a support having thereon a silver halide emulsion layer containing at least one coupler represented by the following formulae (I) and (II): ##STR1## wherein R.sub.1 represents an alkyl group, an aryl group or a heterocyclic group; R.sub.2 or R'.sub.2 represents an alkyl group, an aryl group; and X represents a coupling split-off group liked through a nitrogen or a sulfur atom.