Patent · US Expired

Polyurethane-based self-adhesive tape

US5807637A · kind A · utility

15Cited by

1References

9Claims

0Family size

Assignee

BEIERSDORF AG · DE

Inventors

Uwe Schümann · Pinneberg, DE
Wolfgang Schacht · Hamburg, DE
Karsten Seitz · Oberursel, DE
Peter Jauchen · Hamburg, DE

Key dates

Filing date	Mar 24, 1997
Grant date	Sep 15, 1998
Priority date	—
Expiry date	Mar 24, 2017

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31594
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Pressure-sensitive self-adhesive tape comprising a backing which is coated on both sides with pressure-sensitive adhesive compositions and is composed PA1 a) in a proportion by weight of up to 50% by weight, in particular from 10% by weight to 40% by weight, of a crosslinked, non-foamed polyurethane, PA1 b) in a proportion by weight of from 40% by weight to 70% by weight of fillers, PA1 c) in a proportion by weight of from 5% by weight to 30% by weight, in particular from 10% by weight to 25% by weight, of plasticizers and resins, and PA1 d) if desired, of further auxiliaries.

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