Molded article and method for production thereof

US9120252B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9120252-B2
Application numberUS-29747207-A
CountryUS
Kind codeB2
Filing dateApr 17, 2007
Priority dateApr 17, 2006
Publication dateSep 1, 2015
Grant dateSep 1, 2015

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  1. Title

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  2. Abstract

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  4. Key dates

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  5. First independent claim

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Abstract

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A shaped article including a modified ethylene-vinyl alcohol copolymer (C), wherein the modified ethylene-vinyl alcohol copolymer (C) is a product obtained by modifying an unmodified ethylene-vinyl alcohol copolymer (A) with an epoxy compound (B) having a double bond and has a degree of modification with the epoxy compound (B) of 0.1 to 10 mol % based on the monomer units of the ethylene-vinyl alcohol copolymer (A), and at least a part of the modified ethylene-vinyl alcohol copolymer (C) is crosslinked, and the gel fraction of the shaped article is 3% by weight or more. Thereby, a shaped article which contains almost no harmful crosslinking agent and which is excellent in hot water resistance, heat resistance and a gas barrier property is provided.

First claim

Opening claim text (preview).

The invention claimed is: 1. A shaped article comprising a modified ethylene-vinyl alcohol copolymer (C), wherein the modified ethylene-vinyl alcohol copolymer (C) is a product obtained by modifying an unmodified ethylene-vinyl alcohol copolymer (A) with an epoxy compound (B) having a monosubstituted olefin, a disubstituted olefin, or a trisubstituted olefin, the modified ethylene-vinyl alcohol copolymer (C) has a monosubstituted olefin, a disubstituted olefin, or a trisubstitut…

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What does patent US9120252B2 cover?
A shaped article including a modified ethylene-vinyl alcohol copolymer (C), wherein the modified ethylene-vinyl alcohol copolymer (C) is a product obtained by modifying an unmodified ethylene-vinyl alcohol copolymer (A) with an epoxy compound (B) having a double bond and has a degree of modification with the epoxy compound (B) of 0.1 to 10 mol % based on the monomer units of the ethylene-vinyl …
Who is the assignee on this patent?
Ikeda Kaoru, Nakaya Masakazu, Kurosaki Kazuhiro, and 2 more
What technology area does this patent fall under?
Primary CPC classification B29C49/0006. Mapped technology areas include Operations & Transport.
When was this patent published?
Publication date Tue Sep 01 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).