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. 30, 1991
Filed:
May. 11, 1990
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
A photopolymerizable composition which comprises (a) a polymerizable compound having at least one ethylenic unsaturated bond, and (b) a salt formed by an organic cationic dye compound and an organic boron compound anion, wherein the salt is represented by the following formula (I), in which an organic cationic dye compound is employed as D.sup..sym. to impart high spectral sensitivities to the composition ##STR1## wherein D.sup..sym. represents a cationic dye, and R.sup.1, R.sup.2, R.sup.3 and R.sup.4, which may be the same or different, each represents an alkyl group, an aryl group, an aralkyl group, an alkaryl group, an alkenyl group, an alkynyl group, or a group derived therefrom; and two or more of the substituent groups R.sup.1 and R.sup.4 can be combined to form a cyclic structure. The cationic dye D.sup..sym. is represented by formula (II)