Patent · US Expired

Polyurethane PSA

US7160976B2 · kind B2 · utility

37Cited by

27References

12Claims

0Family size

Assignee

tesa AG · DE

Inventors

Bernd Lühmann · Norderstedt, DE
Philippe Hesse · Kürten, DE
Sianty Sunarto · Hamburg, DE
Uwe Schümann · Pinneberg, DE
Kirstin Weiland · Hamburg, DE
Carsten Bohmer · Pinneberg, DE

Key dates

Filing date	Apr 1, 2004
Grant date	Jan 9, 2007
Priority date	—
Expiry date	Apr 11, 2024

Classification

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

Abstract

Pressure-sensitive adhesive based on polyurethane, characterized in that the polyurethane is composed of the following starting materials which are reacted with one another in the stated proportions:

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