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:
Mar. 27, 2007
Filed:
Oct. 01, 2001
Thorbjörn Andersson, Södra Sandby, SE;
Tom Kjelgaard, Lund, SE;
Ib Leth, Kävlinge, SE;
Tetra Laval Holdings & Finance S.A., Pully, CH;
Abstract
The disclosure relates to a packaging laminate for a retortable packaging container comprising a core layer (), outer, liquid-tight coatings (and) and a gas barrier () disposed between the one coating () and the core layer (). Between the gas barrier () and the core layer (), there is a layer () of a lamination or sealing agent of such a nature that the lamination or sealing agent has a melting point which is higher than the maximum temperature to which the retortable packaging container is to be subjected during a normal heat treatment in a retort. The lamination or sealing agent in the layer () may, for example, be a polypropylene with a melting point of above 130° C.