Patent · US Active

Heat-sealable barrier paper

US11371189B2 · kind B2 · utility

0Cited by

1References

20Claims

0Family size

Assignee

MITSUBISHI HITEC PAPER EUROPE GMBH · DE

Inventors

Lena-Maria Grundl · Flensburg, DE
Nadia El-Karzazi · Bielefeld, DE
Dieter Becker · Neunburg vorm Wald, DE
Konstantinos Kalessios · Frankfurt, DE
Jochen Schlegel · Heroldsberg, DE

Key dates

Filing date	Feb 13, 2019
Grant date	Jun 28, 2022
Priority date	—
Expiry date	Feb 13, 2039

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD21H17/60
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

A heat-sealable barrier paper having a) a carrier substrate having a front side and a back side opposite the front side, b) optionally an interlayer comprising a binder and disposed on the front side of the carrier substrate, c) a first barrier layer comprising a crosslinked polysaccharide and disposed on the front side of the carrier substrate or, if there is an interlayer, on the interlayer, d) a second barrier layer, disposed on the first barrier layer and consisting of or comprising i) an acrylate copolymer and/or ii) a wax based on a vegetable oil, the use of a barrier paper for packaging products, a method for heat-sealing a barrier paper, and to a method for producing a barrier paper.

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