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:
Jan. 01, 2013
Filed:
Oct. 29, 2007
Hans Nantin, Malmö, SE;
Jan Lagerstedt, Malmö, SE;
Hans Nantin, Malmö, SE;
Jan Lagerstedt, Malmö, SE;
Tetra Laval Holdings & Finance S.A., Pully, CH;
Abstract
A method of packing and, for purposes of extending its shelf-life, heat treating a food product in a packaging container of paper or paperboard. The packaging container is first filled wholly or at least partly with foam containing a non-oxidizing gas, such as nitrogen, whereafter the wholly or partly filled packaging container is filled with the pertinent food product. After this filling, the packaging container is, where necessary, filled with additional foam to ensure the headspace above the product level in the packaging container is entirely filled with foam when the packaging container is closed and sealed by thermosealing. The closed packaging container filled with product and foam is thereafter subjected to the heat treatment for purposes of extending its shelf-life at a treatment temperature of at least 115° C.