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:
Dec. 14, 2021
Filed:
Jul. 05, 2018
Applicant:
Dic Corporation, Tokyo, JP;
Inventors:
Assignee:
DIC Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08G 59/32 (2006.01); C08G 59/06 (2006.01); C08L 63/00 (2006.01);
U.S. Cl.
CPC ...
C08G 59/32 (2013.01); C08G 59/06 (2013.01); C08L 63/00 (2013.01);
Abstract
The present invention provides an epoxy resin including a reaction product of 1,2,4-trihydroxybenzene and an epihalohydrin, the epoxy resin containing a cyclic compound that has a cyclic structure containing, as constitutional atoms, oxygen atoms at 1-position and 2-position derived from 1,2,4-trihydroxybenzene, the cyclic compound being contained in an amount of 0.003 to 0.070 mol based on 100 g of the epoxy resin. The epoxy resin is liquid and is excellent in pyrolysis resistance.