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:
Feb. 02, 1999
Filed:
Nov. 06, 1997
Applicant:
Inventors:
Ralf Schledjewski, Hodenhagen, DE;
Dirk Schultze, Dusseldorf, DE;
Nicole Hargarter, Charlottesville, VA (US);
Assignee:
Wolff Walsrode AG, Walsrode, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
4284231 ; 4284242 ; 428336 ; 428339 ; 428515 ; 525 74 ; 525 78 ; 525 80 ;
Abstract
The present invention relates to a multilayer film having at least one layer substantially formed from thermoplastic polyurethanes, and at least one further layer, formed from an olefin-based polymer coupling agent, which contains maleic anhydride as a formulation component and the Vicat softening temperature of which, measured to ASTM D 1525, is less than 60.degree. C.