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:
Sep. 13, 2022
Filed:
Jul. 10, 2020
Applicant:
Ajinomoto Co., Inc., Chuo-ku, JP;
Inventor:
Eriko Sato, Kawasaki, JP;
Assignee:
AJINOMOTO CO., INC., Chuo-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/55 (2006.01); C08K 9/10 (2006.01); C08G 59/40 (2006.01); C08K 3/22 (2006.01); C09J 11/06 (2006.01); C09J 163/00 (2006.01);
U.S. Cl.
CPC ...
C08K 9/10 (2013.01); C08G 59/40 (2013.01); C08K 3/22 (2013.01); C08K 5/55 (2013.01); C09J 11/06 (2013.01); C09J 163/00 (2013.01); C08G 2170/00 (2013.01); C08K 2003/2237 (2013.01);
Abstract
Provided is a urea compound-containing epoxy resin curing agent particle that can impart excellent storage stability and heat stability to an epoxy resin composition including a urea compound as a curing agent, while maintaining the solubility of the urea compound during heating and the fluidity after dissolution of the urea compound. The surface of the urea compound-containing epoxy resin curing agent particle is coated with a Group 4 or Group 13 element-containing alkoxide compound, chelate compound, and/or acylate compound.