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:
Jul. 08, 2014
Filed:
Sep. 24, 2008
Applicant:
Jörn Schröer, Herdecke, DE;
Inventor:
Jörn Schröer, Herdecke, DE;
Assignee:
Ewald Dörken AG, Herdecke, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 7/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A film () for construction with at least one functional layer () and optionally at least one other layer, especially a carrier layer and/or reinforcing layer (), the functional layer () having a water vapor diffusion resistance (svalue) that is dependent on the ambient humidity. The functional layer () has at least one material () that can be obtained from a renewable raw material, especially at least one polymer based on a renewable raw material.