Patent · US Active

Hotmelt process for producing a chemically crosslinked polyurethane film

US8580909B2 · kind B2 · utility

3Cited by

4References

25Claims

0Family size

Assignee

tesa SE · DE

Inventors

Uwe Schümann · Pinneberg, DE
Kirstin Weiland · Hamburg, DE
Sven Hansen · Hamburg, DE
Esther Von Possel · Hamburg, DE

Key dates

Filing date	May 6, 2009
Grant date	Nov 12, 2013
Priority date	—
Expiry date	Mar 7, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31551
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Process for producing a chemically crosslinked polyurethane film, comprising the steps of:

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