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. 29, 1987
Filed:
Dec. 24, 1985
Naoyasu Deguchi, Kanagawa, JP;
Tetsuro Kojima, Kanagawa, JP;
Shigeru Ohno, Kanagawa, JP;
Koki Nakamura, Kanagawa, JP;
Hideo Miyazaki, Kanagawa, JP;
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
A silver halide photographic material exhibiting improved interimage effects and having improved sharpness and graininess is disclosed. The material contains at least one compound represented by formula (I) or formula (II): ##STR1## wherein R.sup.1 represents a straight or branched chain alkylene, alkenylene or aralkylene group, or an arylene group; R.sup.2 represents a hydrogen atom, or a substituted or unsubstituted alkyl, aryl, alkenyl or aralkyl group; X represents a hydrogen atom, an alkali metal atom, an ammonium group or a precursor capable of providing a hydrogen atom or an alkali metal atom under an alkaline condition; Z.sup.1 and Z.sup.2 each represents a polar group; and n represents 0 or 1.