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:
Jul. 29, 2025
Filed:
Aug. 23, 2019
Tetra Laval Holdings & Finance S.a., Pully, CH;
Sverker Olsson, Södra Sandby, SE;
Anders Glemming, Hjärup, SE;
Martin Bäckman, Malmö, SE;
Christer Karlsson, Bjärred, SE;
TETRA LAVAL HOLDINGS & FINANCE S.A., Pully, CH;
Abstract
A laminated packaging material for liquid food products comprising, a core layer of paper or paperboard or other cellulose-based material, a laminate portion being arranged on a first side of the core layer, a dark colored flexographic ink composition printed onto the free surface of the laminate portion, the dark colored ink composition comprises color bases mixed at a ratio such that a total energy absorption by the dark colored flexographic ink composition, when provided on the laminated packaging material, is below 80%, such as below 70% in an emission spectra from a tungsten light source in the region 250-2500 nm at a temperature of 3000 K, the dark colored flexographic ink composition has a color space lightness value L*≤25, and a color space difference equal to or lower than 6, with respect to a specified black reference composition.