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:
Apr. 26, 2005
Filed:
Mar. 22, 2001
Applicants:
Peter Gleichenhagen, Hamburg, DE;
Annemarie Müller, Hamburg, DE;
Inventors:
Peter Gleichenhagen, Hamburg, DE;
Annemarie Müller, Hamburg, DE;
Assignee:
tesa AG, Hamburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L033/02 ; C08L033/08 ;
U.S. Cl.
CPC ...
Abstract
A process for preparing hot-melt pressure-sensitive adhesives from aqueous dispersions based on polyacrylate, and pressure-sensitively adhesive articles produced therefrom, which comprises producing highly concentrated aqueous dispersions with polymer contents between 68% by weight and 87% by weight of gel-free, molecularly-dispersely meltable polymer particles with an at least bimodal size distribution in size ranges between 0.5 μm and 1000 μm Ø.