Patent · US Expired

Packaging laminate for a retortable packaging carton

US7514137B2 · kind B2 · utility

0Cited by

13References

21Claims

0Family size

Assignee

Tetra Laval Holdings & Finance S.A. · CH

Inventors

Peter Öhman · Enebyberg, SE
Ib Leth · Strada a scorrimento veloce Trapani-Marsala, SE

Key dates

Filing date	Sep 11, 2001
Grant date	Apr 7, 2009
Priority date	—
Expiry date	Nov 23, 2021

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31902
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

A packaging laminate for a retortable packaging container or carton, comprising a core layer (11) and outer, liquid-tight coatings (12 and 13) on both sides of the core layer (11). The one (12) of the two outer coatings carries decorative artwork (14) of printing ink which is both mechanically and thermally protected by a layer (18) of lacquer applied on the coating (12) to make possible heat treatment at high humidity and temperature conditions of a packaging container produced from the packaging laminate (10), without the printing ink decorative artwork of the packaging container deteriorating in quality.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.