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:
Jul. 21, 2020
Filed:
Mar. 12, 2018
Applicant:
Kuraray Co., Ltd., Kurashiki-shi, JP;
Inventors:
Yosuke Kumaki, Kurashiki, JP;
Tatsuya Tanida, Kurashiki, JP;
Assignee:
KURARAY CO., LTD., Kurashiki-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08F 218/08 (2006.01); C08F 114/06 (2006.01); C08F 2/00 (2006.01); C08F 290/06 (2006.01); C08F 14/06 (2006.01); C08F 216/06 (2006.01); C08F 8/12 (2006.01); C08J 3/00 (2006.01); C08F 216/12 (2006.01);
U.S. Cl.
CPC ...
C08F 218/08 (2013.01); C08F 2/005 (2013.01); C08F 8/12 (2013.01); C08F 14/06 (2013.01); C08F 114/06 (2013.01); C08F 216/06 (2013.01); C08F 290/062 (2013.01); C08J 3/00 (2013.01); C08F 216/125 (2013.01); C08F 2800/10 (2013.01); C08J 2331/04 (2013.01);
Abstract
Provided is a vinyl alcohol-based copolymer, obtained by saponifying a copolymer of vinyl acetate and a polyfunctional monomer, wherein the polyfunctional monomer contains two or more ethylenic double bonds in its molecule, the vinyl alcohol-based copolymer has a side chain containing an ethylenic double bond and a molar ratio (d) of the ethylenic double bond to a total of vinyl alcohol units and vinyl acetate units is from 0.05/100 to 2/100, and the vinyl alcohol-based copolymer is water soluble.