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:
Jun. 11, 1991
Filed:
Jul. 20, 1989
Junichi Yamanouchi, Ashigara, JP;
Kentaro Shiratsuchi, Ashigara, JP;
Yukio Karino, Ashigara, JP;
Takeshi Shibata, Ashigara, JP;
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
A photographic element comprising a polymer mordant containing a repeating unit containing a tertiary amino group or a quaternary ammonium salt and at least one reprating unit represented by the formula (I) or (II): ##STR1## wherein R.sup.1 represents a hydrogen atom or an alkyl group having from 1 to 6 carbon atoms R.sup.2, R.sup.3, R.sup.4 and R.sup.5, which may be the same or different, each represent an alkyl group or substituted alkyl group; R.sup.6, R.sup.7, and R.sup.8, which may be the same or different, each represent hydrogen, an alkyl group or a substituted alkyl group; R.sup.11 represents an alkyl group, a substituted alkyl group, an alkoxy group, a substituted alkoxy group, an acylamino group or a halogen atom; R.sup.12 and R.sup.13, which may be the same or different, each represent an alkyl group or a substituted alkyl group; L.sup.1 and L.sup.3, which may be the same or different, each represent a divalent connecting group having from 1 to 20 carbon atoms; and n represents an integer of 0 or 1, wherein the proportion of the repeating unit containing a tertiary amino group or a quaternary ammonium salt in the polymer is in the range of from 10 to 90 mol %, and the proportion of the at least one repeating unit represented by formula (I) or (II) in the polymer is in the range of of 10 to 90 mol %.