The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 22, 2011
Filed:
Sep. 09, 2005
Stephan Zollner, Buchholz/Nordheide, DE;
Sven Hansen, Hamburg, DE;
Kay Brandes, Kaltenkirchen-Moorkaten, DE;
Jorg Speer, Wrist, DE;
Stephan Zollner, Buchholz/Nordheide, DE;
Sven Hansen, Hamburg, DE;
Kay Brandes, Kaltenkirchen-Moorkaten, DE;
Jorg Speer, Wrist, DE;
tesa AG, Hamburg, DE;
Abstract
A process for producing an adhesive tape with single- or double-sided crosslinked pressure-sensitive acrylate hotmelt adhesive layer, wherein a crosslinker is added in the melt to a polyacrylate copolymer ('polyacrylate') based on acrylic and/or methacrylic esters, the polyacrylate with crosslinker is conveyed to a coating unit, where it is applied to a web-form layer and following application is homogeneously crosslinked, where the crosslinker is a thermal crosslinker and some of the acrylic and/or methacrylic esters contain primary hydroxyl groups and addition takes place preferably in an extruder.