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. 10, 1986
Filed:
Oct. 12, 1984
Applicant:
Inventor:
Hideki Nagasaka, Yamato, JP;
Assignee:
Mitsubishi Chemical Industries, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; C08F / ; C08F / ;
U.S. Cl.
CPC ...
430281 ; 430916 ; 430920 ; 522 26 ;
Abstract
A photopolymerizable composition comprising an addition-polymerizable compound having at least one ethylenically unsaturated double bond and a photopolymerization initiator, characterized in that the initiator comprises (a) a compound of the formula: ##STR1## wherein R.sup.1 and R.sup.2 are alkyl group, n is 1, 2 or 3 and ring A is an aromatic ring containing nitrogen atom, and (b) hexaarylbiimidazole. The initiator may additionally contain a thiol of the formula: ##STR2## wherein Z is --O--,--S-- or --NH--. The composition is not only highly sensitive to ultraviolet ray but also highly stable in storage.