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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.:

US 9663592 B1

PDFFull Text
Date of Patent:
May. 30, 2017

Filed:

Aug. 07, 2013

Modified ethylene-vinyl alcohol copolymer, method for producing same, and use of same

Applicant:

Kuraray Co., Ltd., Kurashiki-shi, JP;

Inventors:

Makoto Okamoto, Kurashiki, JP;

Keisuke Morikawa, Kurashiki, JP;

Assignee:

KURARAY CO., LTD., Kurashiki-shi, JP;

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

Robert Jones, Jr

Int. Cl.
CPC ...
C08F 16/06 (2006.01); B32B 7/12 (2006.01); B32B 27/08 (2006.01); B32B 27/30 (2006.01); B32B 27/32 (2006.01); B32B 27/36 (2006.01); B32B 1/02 (2006.01); C08F 22/10 (2006.01); C08L 29/06 (2006.01); C08F 216/06 (2006.01); C08F 8/12 (2006.01);
U.S. Cl.
CPC ...
C08F 16/06 (2013.01); B32B 1/02 (2013.01); B32B 7/12 (2013.01); B32B 27/08 (2013.01); B32B 27/306 (2013.01); B32B 27/32 (2013.01); B32B 27/36 (2013.01); C08F 8/12 (2013.01); C08F 22/10 (2013.01); C08F 216/06 (2013.01); C08L 29/06 (2013.01); B32B 2307/7242 (2013.01); B32B 2307/7244 (2013.01); B32B 2307/736 (2013.01); B32B 2439/00 (2013.01); B32B 2439/40 (2013.01); B32B 2439/70 (2013.01); Y10T 428/1352 (2015.01); Y10T 428/1397 (2015.01); Y10T 428/31515 (2015.04); Y10T 428/31913 (2015.04); Y10T 428/31938 (2015.04);
Abstract

Provided is a modified ethylene-vinyl alcohol copolymer, wherein the copolymer is represented by a following formula (I), contents (mol %) of a, b, and c based on the total monomer units satisfy following formulae (1) through (3), and a degree of saponification (DS) defined by a following formula (4) is not less than 90 mol %, 18≦≦55  (1)0.01≦≦20  (2)[100−()]×0.9≦≦[100−()]  (3)=[(Total Number of Moles of Hydrogen Atoms in, and)/(Total Number of Moles of, and)]×100  (4).

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Okamoto, Makoto. (2017). Modified ethylene-vinyl alcohol copolymer, method for producing same, and use of same (U.S. Patent No. 9663592). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9663592

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