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:
Apr. 24, 1990
Filed:
Dec. 07, 1988
Ichizo Toya, Kanagawa, JP;
Masakazu Yoneyama, Kanagawa, JP;
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
A silver halide photosensitive material comprising at least one silver halide photographic emulsion layer provided on at least one side of a support, said photosensitive material containing in the photographic emulsion layer and/or another component layer (i) a polymer having repetitive units represented by formula (II), dextran or mixtures thereof, and (ii) at least one cationic compound containing quaternary nitrogen: ##STR1## wherein R.sup.1 represents hydrogen or an alkyl group with 1 to 6 carbon atoms; R.sup.2, and R.sup.3 each represents hydrogen, or, an unsubstituted or substituted alkyl, aryl or aralkyl group having up to 10 carbon atoms, or R.sup.2 and R.sup.3 are bonded to each other to form a nitrogen-containing heterocyclic ring; m represents 1 or 2; n represents 0 or 1; and L represents a linking group of the valence m+1.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile