Patent · US Active

Method of producing a packaging material for a retortable package

US10899119B2 · kind B2 · utility

9Cited by

1References

22Claims

0Family size

Assignee

Tetra Laval Holdings & Finance S.A. · CH

Inventors

Mikael Lindstedt · Malmö, SE
Johan Larsson · Gävle, SE
Helena Tufvesson · Gävle, SE
Anders Karlsson · Gävle, SE

Key dates

Filing date	Jun 21, 2017
Grant date	Jan 26, 2021
Priority date	—
Expiry date	Oct 19, 2037

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09D5/028
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

The disclosure relates to a packaging material for a retortable package provided with decorative artwork, the packaging material having a pigment-coated paperboard material layer and outer, heat-resistant plastic coatings. In order to improve the printability of the paperboard layer, the surface of the coated paperboard layer intended for printing has a pigment coating composition comprising a pigment mixture, a binder and a zirconium based crosslinking agent, wherein the pigment mixture comprises at least 40 wt % calcium carbonate and at least 10 wt % clay.

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