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:
May. 06, 2025
Filed:
Sep. 10, 2019
Applicant:
Sekisui Chemical Co., Ltd., Osaka, JP;
Inventor:
Shiori Tateno, Shiga, JP;
Assignee:
SEKISUI CHEMICAL CO., LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 63/00 (2005.12); C08F 216/38 (2005.12);
U.S. Cl.
CPC ...
C08L 63/00 (2012.12); C08F 216/38 (2012.12);
Abstract
The present invention provides an epoxy resin composition capable of exhibiting high moisture resistance and reducing reduction in adhesion at high temperature and high humidity. Provided is an epoxy resin composition containing: a modified polyvinyl acetal resin containing a hydrogen-bonding group-containing constitutional unit; and an epoxy resin, the modified polyvinyl acetal resin having an equilibrium moisture absorption of 5 to 20% by weight as measured with an infrared moisture meter after standing at 40° C. and 90% RH for seven days.