Patent · US Active

Water-vapour permeable composite parts

US10213997B2 · kind B2 · utility

0Cited by

1References

18Claims

0Family size

Assignee

Covestro Deutschland AG · DE

Inventors

Govert Woeste · Düsseldorf, DE
Markus Broich · Hückelhoven, DE

Key dates

Filing date	Jul 6, 2015
Grant date	Feb 26, 2019
Priority date	—
Expiry date	Oct 7, 2035

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB32B2307/724
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to water-vapor permeable, flat composite parts consisting of at least two layers, at least one layer being made of a polyester and polyether-based thermoplastic polyurethane. The invention also related to the use thereof.

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