Patent · US Expired

Packaging material with a foamed polyolefin layer

US7070852B1 · kind B1 · utility

36Cited by

1References

20Claims

0Family size

Assignee

Covenience Food Systems B.V. · NL

Inventors

Ulrich Reiners · Neuenkirchen, DE
Michel Pittet · Bulle, CH

Key dates

Filing date	Aug 24, 1999
Grant date	Jul 4, 2006
Priority date	—
Expiry date	Sep 27, 2021

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/249992
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

The invention relates to a multilayer film comprising the following sequence of layers:

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