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:
Jun. 06, 1995
Filed:
Apr. 05, 1993
Applicant:
Inventors:
Assignee:
Mitsubishi Petrochemical Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428412 ; 428421 ; 4284763 ; 4284744 ; 4284777 ; 428458 ; 428461 ; 428516 ; 428517 ; 428520 ;
Abstract
An olefin resin-based article having gas barrier properties, comprising a crystalline olefin copolymer having an inorganic oxide thin film layer formed thereon where the crystalline olefin copolymer comprises ethylene or an .alpha.-olefin having from 3 to 12 carbon atoms and a diene and having a diene unit content of from 0.05 to 20 mol %, wherein the article suffers from no reduction in gas barrier properties even when heat or stress is applied during fabrication or use and is useful as a wrapping or packaging material for making pouch-packed foods or IC packages.