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. 16, 2025
Filed:
Sep. 24, 2021
Applicant:
Sekisui Chemical Co., Ltd., Osaka, JP;
Inventor:
Takayuki Maeda, Shiga, JP;
Assignee:
SEKISUI CHEMICAL CO., LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 16/38 (2006.01); C08F 8/28 (2006.01); C08K 3/08 (2006.01); C08K 5/053 (2006.01); C09D 129/14 (2006.01);
U.S. Cl.
CPC ...
C08F 16/38 (2013.01); C08F 8/28 (2013.01); C08K 3/08 (2013.01); C08K 5/053 (2013.01); C09D 129/14 (2013.01); C08K 2003/0856 (2013.01);
Abstract
The present invention provides a polyvinyl acetal resin that has an excellent dispersing property and enables the production of a formed article having high mechanical strength. Provided is a polyvinyl acetal resin having a water absorption per unit area of 2 mg/cmor greater and 50 mg/cmor less when formed into a film having a thickness of 10 μm.