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:
Mar. 01, 2022
Filed:
Aug. 03, 2018
Applicant:
Sunstar Engineering Inc., Osaka, JP;
Inventors:
Kazunobu Takami, Osaka, JP;
Takatomi Nishida, Osaka, JP;
Assignee:
Sunstar Engineering Inc., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09J 163/04 (2006.01); C08G 59/24 (2006.01); C08G 59/50 (2006.01); C08G 59/68 (2006.01);
U.S. Cl.
CPC ...
C09J 163/04 (2013.01); C08G 59/245 (2013.01); C08G 59/5073 (2013.01); C08G 59/686 (2013.01);
Abstract
The present invention provides an epoxy resin-based curable composition which may be used as a structural adhesive for an automobile. Particularly, the present invention provides an epoxy resin-based curable composition having excellent low-temperature curability, while maintaining good storage stability and good adhesion. The present invention relates to a curable composition comprising an epoxy resin, a urea-based curing accelerator (A) and an amine-based curing agent (B) having a pyrazine ring.