Patent · US Active

Coating composition for producing a layer composite

US11987718B2 · kind B2 · utility

0Cited by

1References

2Claims

0Family size

Assignee

MITSUBISHI HITEC PAPER EUROPE GMBH · DE

Inventors

Nora Wilke · Flensburg, DE
Martin Schreer · Melle, DE

Key dates

Filing date	May 18, 2018
Grant date	May 21, 2024
Priority date	—
Expiry date	Jan 26, 2040

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09D7/65
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A coating composition for producing a layer composite, including a) a modified or unmodified polyvinyl alcohol, b) an alkylene/(meth)acrylic acid copolymer, c) a crosslinker, and d) one, two or more than two, pigments. The layer composite is used as food packaging, entry ticket, gaming ticket, car park ticket, or the like. A mixture of alkylene/(meth)acrylic acid copolymer and modified or unmodified polyvinyl alcohol is used in a layer of a layer composite, to the use of a coating composition for producing a layer composite.

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