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. 21, 1992
Filed:
Jul. 06, 1990
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Abstract
A transparent gas-barrier multilayer structure comprising (A) at least one layer of a polyamide composition comprising (a) 30 to 80 parts by weight of a first polyamide composed of an aromatic dicarboxylic acid as a main acid component and an aliphatic diamine as a main diamine component and (b) 70 to 20 parts by weight of a second polyamide composed of an aliphatic dicarboxylic acid as a main acid component and m-xylylenediamine as a main diamine component, the total amount of the first polyamide and the second polyamide being 100 parts by weight, and (B) at least one layer of a thermoplastic resin other than the polyamide composition, said at least one layer (A) being bonded to said at least one layer (B).