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:
Apr. 26, 2005
Filed:
Dec. 06, 2002
Nahoto Hayashi, Pasadena, TX (US);
William Scott Lambert, Pasadena, TX (US);
Hiroshi Kawai, Kurashiki, JP;
Kaoru Ikeda, Kurashiki, JP;
Shinji Tai, Kurashiki, JP;
Nahoto Hayashi, Pasadena, TX (US);
William Scott Lambert, Pasadena, TX (US);
Hiroshi Kawai, Kurashiki, JP;
Kaoru Ikeda, Kurashiki, JP;
Shinji Tai, Kurashiki, JP;
Kuraray Co., Ltd., Kurashiki, JP;
Abstract
Multilayer blow molded containers, which comprise a layer of an ethylene-vinyl alcohol copolymer (A) having an ethylene content of 5 to 60% by mol and a degree of saponification of 85% or more and a layer of a resin composition (B), characterized in that the resin composition (B) comprises 1 to 40% by weight of a thermoplastic resin (b1) having at least one functional group selected from the group consisting of boron-containing groups that are convertible to a boronic acid group in the presence of water and a boronic acid group (hereinafter, referred to as a boron-containing functional group), and 60 to 99% by weight of polypropylene (b2), exhibit excellent gas-barrier properties, have good interlayer adhesion, have excellent thermal stability, and are low in production cost.