Patent · US Active

Removable pressure-sensitive adhesive strip

US10759974B2 · kind B2 · utility

1Cited by

30References

20Claims

0Family size

Assignee

tesa SE · DE

Inventors

Anna Blazejewski · Hamburg, DE
Axel Burmeister · Hamburg, DE
Franciska LOHMANN · Hamburg, DE
Anika PETERSEN · Heidmühlen, DE

Key dates

Filing date	Aug 26, 2019
Grant date	Sep 1, 2020
Priority date	—
Expiry date	Aug 26, 2039

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09J2453/00
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Pressure-sensitive adhesive (PSA) strips, configured or adapted for the residue-free and non-destructive removal by which by substantially expanding it in the plane of adhesion, are provided. The PSA strips comprise at least one adhesive compound layer consisting of a PSA compound, constituted by vinyl aromatic block copolymers and one or more adhesive resins, at least 75 wt.-% (relative to the total amount of resin) of a resin being selected that has a DACP (diacetone alcohol cloud point) of greater than −20° C., and a softening point (ring & ball) of greater than or equal to 70° C., and the PSA compound has being foamed.

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