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. 03, 1999
Filed:
Jul. 22, 1997
Masato Taniguchi, Kanagawa, JP;
Takashi Hoshimiya, Kanagawa, JP;
Sinichi Ichikawa, Kanagawa, JP;
Mamoru Sakurazawa, Kanagawa, JP;
Junichiro Hosokawa, Kanagawa, JP;
Fuji Photo Film Co., Ltd., Minami Ashigara, JP;
Abstract
A silver halide photographic material is described, which contains at least one compound represented by the following formula (S1): ##STR1## wherein R.sub.11 represents an alkyl group, an acyl group, an alkoxycarbonyl group, a carbamoyl group, a sulfonyl group, or a sulfamoyl group; R.sub.12 represents a hydrogen atom, an alkyl group or an acyl group, provided that when R.sub.11 represents an alkyl group, R.sub.12 represents an alkyl group, R.sub.11 and R.sub.12 may be linked with each other to form a 5- to 7-membered ring; R.sub.13 represents a hydrogen atom, an alkyl group, an aryl group, or a heterocyclic group; R.sub.14 represents a hydrogen atom, an alkyl group, an aryl group, or a heterocyclic group; and L represents --CO--, --SO.sub.2 -- or --SO--.