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:
Oct. 02, 1984
Filed:
Apr. 07, 1983
Applicant:
Inventors:
Kenji Yasuda, Kyoto, JP;
Yasuaki Yokoyama, Yokohama, JP;
Shuichi Matsumoto, Yokohama, JP;
Kunihiro Harada, Machida, JP;
Assignee:
Japan Synthetic Rubber Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ; C08G / ;
U.S. Cl.
CPC ...
528408 ; 528417 ; 549516 ; 549555 ;
Abstract
An epoxidized polyether, characterized by containing oxytetramethylene units and having in one molecule 0.9 or more epoxy groups on the average represented by the general formula (I): ##STR1## wherein R.sub.1 and R.sub.2, which may be the same or different, are hydrogen atoms or alkyl groups. An epoxy resin obtained from said epoxidized polyether alone or in admixture with an ordinary epoxy compound has a high flexibility.