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:
Feb. 20, 1979
Filed:
Sep. 06, 1977
Applicant:
Inventors:
Seiichiro Sakimoto, Chigasaki, JP;
Haruo Yoshida, Yokohama, JP;
Assignee:
Showa Denko K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08F / ;
U.S. Cl.
CPC ...
20415922 ; 20415919 ; 260836 ; 2608 / ; 526273 ; 526318 ; 526320 ;
Abstract
A process for preparing a polymerizable (meth) acrylate oligomer which comprises reacting an epoxide with a carboxylic acid (or anhydride thereof), at least one of said epoxide and carboxylic acid compounds containing an unsaturated alicyclic dicarboxyl group and the other containing an acryloyl group, in the presence of a metal nitrite or N-nitroso-hydroxylamine derivative. The polymerizable (meth) acrylate oligomer containing an acryloyl and an unsaturated alicyclic dicarboxyl group in the molecule is employed in coatings, adhesives, castings and the like.