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:
Aug. 20, 1996
Filed:
Nov. 16, 1994
Applicant:
Inventors:
Tetsuro Kojima, Kanagawa, JP;
Morio Yagihara, Kanagawa, JP;
Hirotomo Sasaki, Kanagawa, JP;
Hiroyuki Mifune, Kanagawa, JP;
Shinji Kato, Gifu, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430603 ; 430600 ;
Abstract
A silver halide photographic material comprises a silver halide emulsion layer provided on a support. The silver halide emulsion layer contains a selenium or tellurium compound represented by the formula (I): ##STR1## in which Ch is Se or Te; R.sup.1 is hydrogen, an aliphatic group, an aromatic group, a heterocyclic group, --OR.sup.11 or --NR.sup.12 R.sup.13 ; each of R.sup.11, R.sup.12 and R.sup.13 is hydrogen, an aliphatic group, an aromatic group or a heterocyclic group; and R.sup.2 is an aliphatic group, an aromatic group or a heterocyclic group.