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:
Aug. 20, 2002
Filed:
Nov. 17, 2000
Applicant:
Inventors:
Nils Toft, Göteborg, SE;
Ion Postoaca, Bjärred, SE;
Assignee:
Tetra Laval Holdings & Finance S.A., Pully, CH;
Primary Examiner:
Int. Cl.
CPC ...
B32B 2/734 ; B32B 3/124 ; B65D 8/124 ;
U.S. Cl.
CPC ...
B32B 2/734 ; B32B 3/124 ; B65D 8/124 ;
Abstract
The invention relates to a laminated packaging material comprising a core layer of paper or paperboard and a gas barrier layer of a polyarmide blend including a condensation polymer of metaxylene diamine and adipic acid (Nylon-MXD6) and a second crystalline or semicrystalline polyamide, applied on one side of the core layer by means of co-extrusion coating. The invention also relates to a method of producing the laminated packaging material and to a packaging container which is produced from the laminated packaging material.