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. 03, 2012
Filed:
Mar. 23, 2009
Yasumitsu Miyamoto, Fuji, JP;
Koji Mizutani, Ichinomiya, JP;
Kazutaka Katayama, Kasugai, JP;
Kazuhito Kasahara, Komaki, JP;
Yasumitsu Miyamoto, Fuji, JP;
Koji Mizutani, Ichinomiya, JP;
Kazutaka Katayama, Kasugai, JP;
Kazuhito Kasahara, Komaki, JP;
Wintech Polymer Ltd., Tokyo, JP;
Tokai Rubber Industries, Ltd., Komaki-Shi, Aichi, JP;
Abstract
A multilayer tube comprises at least the following three layers: an inner layer contactable with a fuel component, a barrier layer preventing the fuel component permeating, and an outermost layer. In the multilayer tube, the inner layer comprises a poly(butylene terephthalate) resin composition containing at least (A) a poly(butylene terephthalate) resin, the barrier layer comprises a polyester resin composition, and the outermost layer comprises a poly(butylene terephthalate) resin composition containing (A) a poly(butylene terephthalate) resin, (B) an elastomer component, (C) an aromatic polycarbodiimide compound, and (D) an antioxidant.