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:
Sep. 11, 2012
Filed:
Dec. 14, 2004
Applicants:
Norbert Klingelhage, Wetter, DE;
Rüdiger Laur, Dortmund, DE;
Jörn Schröer, Herdecke, DE;
Inventors:
Assignee:
Ewald Doerken AG, Herdecke, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D 1/26 (2006.01); B05D 3/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method is provided for the production of an active-breathing composite in the form of a web, consisting of a nonwoven made of synthetic material and a layer fully or mainly consisting of polyurethane for utilization as counter ceiling webs for roofs and as facade webs. PU or a mixture of materials with a high fraction of PU is heated to melting temperature and extruded on a nonwoven made of PP in order to form a diffusion-open coating of the PP nonwoven and then pressing the PP nonwoven in order to form an active-breathing composite.