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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 9114895 B1

PDFFull Text
Date of Patent:
Aug. 25, 2015

Filed:

Apr. 08, 2013

Injection molded body having excellent barrier property

Applicant:

Mitsubishi Gas Chemical Company, Inc., Chiyoda-ku, JP;

Inventors:

Kazunobu Sato, Hiratsuka, JP;

Katsuya Maruyama, Hiratsuka, JP;

Assignee:

MITSUBISHI GAS CHEMICAL COMPANY, INC., Chiyoda-ku, JP;

Attorney:

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

Primary Examiner:

Edward Cain

Int. Cl.
CPC ...
C08L 77/00 (2006.01); B65B 1/00 (2006.01); B29C 45/00 (2006.01); B29C 45/16 (2006.01); B32B 27/08 (2006.01); B32B 27/34 (2006.01); C08L 23/02 (2006.01); C08L 51/06 (2006.01); C08L 77/06 (2006.01); B29C 49/06 (2006.01); B29C 49/12 (2006.01); B29C 49/22 (2006.01); B29K 77/00 (2006.01); C08L 23/08 (2006.01); C08L 77/02 (2006.01);
U.S. Cl.
CPC ...
B65B 1/00 (2013.01); B29C 45/0001 (2013.01); B29C 45/1642 (2013.01); B29C 45/1684 (2013.01); B32B 27/08 (2013.01); B32B 27/34 (2013.01); C08L 23/02 (2013.01); C08L 51/06 (2013.01); C08L 77/06 (2013.01); B29B 2911/1402 (2013.01); B29B 2911/1404 (2013.01); B29B 2911/1408 (2013.01); B29B 2911/1412 (2013.01); B29B 2911/14026 (2013.01); B29B 2911/14033 (2013.01); B29B 2911/14053 (2013.01); B29B 2911/14066 (2013.01); B29B 2911/14093 (2013.01); B29B 2911/14106 (2013.01); B29B 2911/14146 (2013.01); B29C 45/1657 (2013.01); B29C 49/06 (2013.01); B29C 49/12 (2013.01); B29C 49/22 (2013.01); B29C 2045/1648 (2013.01); B29C 2045/1664 (2013.01); B29K 2077/00 (2013.01); C08L 23/0815 (2013.01); C08L 77/02 (2013.01); C08L 2205/02 (2013.01); Y10T 428/31757 (2015.04);
Abstract

A method of providing an oxygen barrier for a product includes placing a product in an injection molded article which includes 10 to 60% by mass of a polyamide resin (A) and 40 to 90% by mass of a mixed polyolefin (E), wherein the polyamide resin (A) includes a diamine unit 70 mol % or more of which is one or more m-xylylenediamine units and a dicarboxylic acid unit 70 mol % or more of which is one or more dicarboxylic acid units including a Cto Cα,ω-linear aliphatic dicarboxylic acid and isophthalic acid at a molar ratio of from 30:70 to 100:0, the mixed polyolefin (E) includes 40 to 100% by mass of a polyolefin (C) and 0 to 60% by mass of a modified polyolefin (B), and at least a portion of the polyamide resin (A) is dispersed in a layered state.

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