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:
Aug. 18, 1981
Filed:
Dec. 29, 1978
Somar Manufacturing Co., Ltd., Tokyo, JP;
Abstract
A photocurable composition comprising a first copolymer having a recurring unit of general formula (I): ##STR1## wherein Ar represents a substituted or unsubstituted phenyl group, R.sub.1 represents a lower alkyl group, and m.sub.1 and m.sub.2 are positive numbers with m.sub.1 being greater than or equal to m.sub.2 ; and a second copolymer having a recurring unit of general formula (II): ##STR2## wherein R.sub.2 represents a lower alkyl group, X represents a hydrogen atom or a methyl group, and R.sub.3 represents an isobutyl group, a t-butyl group or a --CH.sub.2 Ar group where Ar represents a substituted or unsubstituted phenyl group and when R.sub.3 is --CH.sub.2 Ar, R.sub.2 can also be t-butyl and isobutyl, and n.sub.1, n.sub.2 and n.sub.3 are positive numbers but n.sub.1 can be zero and (n.sub.1 +n.sub.2)/n.sub.3 equals to about 0.5 to 20; and containing suitable amounts of a cross-linking agent and a photoactivator.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile