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. 27, 2009
Filed:
Oct. 09, 2002
Mikael Berlin, Lund, SE;
Mats Bentmar, Svedala, SE;
Ulf Lindqvist, Södra Sandby, SE;
Katarina Flemmer, Lund, SE;
Mikael Berlin, Lund, SE;
Mats Bentmar, Svedala, SE;
Ulf Lindqvist, Södra Sandby, SE;
Katarina Flemmer, Lund, SE;
Tetra Laval Holdings & Finance S.A., Pully, CH;
Abstract
A laminated packaging material () comprising a core layer () and a barrier layer () formed from a liqueform composition comprising a dispersion or solution of a polymer, starch or starch derivative on one side of the core layer, the barrier layer also including particles of amorphous SiO. According to the invention, said particles of amorphous SiOin colloidal particle size in said barrier layer are present in a content of above 40 weight % but below 80 weight %. The invention also relates to a packaging container which has been produced from the packaging material, as well as a method of producing the packaging material.