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. 31, 2016
Filed:
Sep. 28, 2012
Applicant:
Kuraray Co., Ltd., Kurashiki-shi, JP;
Inventor:
Yuhi Shimazumi, Tokyo, JP;
Assignee:
KURARAY CO., LTD., Kurashiki-shi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L 29/14 (2006.01); H01G 4/12 (2006.01); C04B 35/632 (2006.01); B32B 18/00 (2006.01); C04B 35/053 (2006.01); C04B 35/111 (2006.01); C04B 35/18 (2006.01); C04B 35/453 (2006.01); C04B 35/46 (2006.01); C04B 35/468 (2006.01); C04B 35/486 (2006.01); C04B 35/565 (2006.01); C04B 35/581 (2006.01); C04B 35/584 (2006.01); C04B 35/597 (2006.01); C04B 35/626 (2006.01); C08K 5/09 (2006.01);
U.S. Cl.
CPC ...
H01G 4/1209 (2013.01); B32B 18/00 (2013.01); C04B 35/053 (2013.01); C04B 35/111 (2013.01); C04B 35/18 (2013.01); C04B 35/453 (2013.01); C04B 35/46 (2013.01); C04B 35/4682 (2013.01); C04B 35/486 (2013.01); C04B 35/565 (2013.01); C04B 35/581 (2013.01); C04B 35/584 (2013.01); C04B 35/597 (2013.01); C04B 35/6264 (2013.01); C04B 35/632 (2013.01); C08K 5/09 (2013.01); H01G 4/12 (2013.01); C04B 2235/3236 (2013.01); C04B 2235/5445 (2013.01); C04B 2237/346 (2013.01);
Abstract
A slurry composition including a polyvinyl acetal resin and an organic solvent. The polyvinyl acetal resin has a degree of polymerization of 500 or more and 6000 or less, has a vinyl ester unit content of 0.01 to 30 mol %, has a degree of acetalization of 50 to 83 mol %, includes the structural unit represented by chemical formula (1): in an amount of no less than 30 mol % relative to the total molar amount of all acetalized structural units in a molecule, and includes 10 to 1000 ppm of 2-methyl propanoic acid relative to the polyvinyl acetal resin.