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:
Jul. 09, 1996
Filed:
Jul. 12, 1995
Tomokazu Yasuda, Kanagawa, JP;
Yukio Karino, Kanagawa, JP;
Seiya Sakurai, Kanagawa, JP;
Masataka Ogawa, Kanagawa, JP;
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
A silver halide photographic material comprises at least one silver halide emulsion layer provided on a support. The silver halide emulsion layer contains a color coupler. According to the present invention, the color coupler is contained in particles of a specific polymer dispersed in the silver halide emulsion layer. The specific polymer comprises repeating units represented by the formula (I): ##STR1## in which R.sup.1 is hydrogen, a halogen atom or an alkyl group having 1 to 4 carbon atoms; each of R.sup.2 and R.sup.3 is an aliphatic group or an aromatic group, or R.sup.2 and R.sup.3 are combined with the oxygen atoms and the phosphorus atom to form a heterocyclic ring; and L is a divalent linking group selected from --CO--, --O--, --S--, --NR.sup.4 --, --SO.sub.2 --, a divalent aliphatic group, a divalent aromatic group and a combination thereof, and R.sup.4 is hydrogen or an aliphatic group.