Patent · US Expired

Production of multiple-layer sheets, panels, shaped articles

US3954537A · kind A · utility

59Cited by

1References

7Claims

0Family size

Assignee

Dynamit Nobel GmbH · DE

Inventors

Franz-Werner Alfter
Hans-Ulrich Breitscheidel · Siegburg, DE
Heinz-Gerd Reinkemeyer
Manfred Simm · Troisdorf, DE

Key dates

Filing date	Dec 31, 1974
Grant date	May 4, 1976
Priority date	—
Expiry date	Dec 31, 1994

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/249981
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

A process for the production of multiple-layer sheets, panels, shaped articles, or the like laminates having at least one layer of polyurethane foam material wherein at least one side of the polyurethane foam layer is bonded under the action of heat to a layer of cross-linked polyethylene foam material.

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