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. 03, 1991
Filed:
May. 30, 1990
Hajime Kakumaru, Hitachi, JP;
Yoshitaka Minami, Hitachi, JP;
Naohiro Kubota, Urawa, JP;
Shinya Mashimo, Urawa, JP;
Hitachi Chemical Co., Ltd., Tokyo, JP;
Adeka Argus Chemical Co., Ltd., Tokyo, JP;
Abstract
A substituted acridine derivative represented by ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7 and R.sub.8 are independently hydrogen atoms, alkyl groups, substituted alkyl groups, aryl groups, substituted aryl groups, halogen atoms, or alkoxy groups, and Z.sub.1 is a six-membered heteroaromatic group which has one or two nitrogen atoms in its ring and may have an alkyl substituent having 1 to 8 carbon atoms, or a quinolyl group; and a photopolymerizable composition comprising 0.01 to 10 parts by weight of said derivative, 100 parts by weight of a photopolymerizable compound having a boiling point of 100.degree. C. or higher at atmospheric pressure and at least one kind of ethylenic unsaturated group, and 0 to 400 parts by weight of a thermoplastic organic polymer.