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:
Jan. 06, 1976
Filed:
Jul. 09, 1974
Applicant:
Inventors:
Toshiaki Hanyuda, Yokohama, JA;
Eiichiro Takiyama, Tokyo, JA;
Assignee:
Showa High Polymer Co., Ltd., , JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
260836 ; 20415915 ; 20415922 ; 260 / ; 2603407 ; 260867 ;
Abstract
This invention relates to a polymerizable cycloacetal resinous composition, characterized by reacting 1 equivalent of diallylidenepentaerythritol (I) with 0.8 - 2.0 equivalents of polyhydric alcohol-unsaturated monocarboxylic acid ester mono-ol (II) having both a hydroxyl group and a polymerizable or copolymerizable unsaturated bond in the same molecule, with or without a solvent, in the presence of a polymerization inhibitor and addition reaction catalyst.