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.:

US 8895137 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 25, 2014

Filed:

Dec. 20, 2010
Applicants:

Birgit Meyer Zu Berstenhorst, Moers, DE;

Peter Capellen, Krefeld, DE;

Inventors:

Birgit Meyer Zu Berstenhorst, Moers, DE;

Peter Capellen, Krefeld, DE;

Assignee:

Bayer MaterialScience AG, Leverkusen, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 7/02 (2006.01); B32B 9/04 (2006.01); B32B 27/00 (2006.01); C08K 5/544 (2006.01); C09D 5/32 (2006.01); C09D 7/12 (2006.01); B05D 7/02 (2006.01); B05D 7/00 (2006.01); C08K 5/3492 (2006.01);
U.S. Cl.
CPC ...
C08K 5/5442 (2013.01); B32B 7/02 (2013.01); B32B 2307/71 (2013.01); B05D 7/02 (2013.01); B05D 7/57 (2013.01); C08K 5/34926 (2013.01); C09D 5/32 (2013.01); C09D 7/1233 (2013.01); C09D 7/1241 (2013.01);
Abstract

The present invention relates to a multilayer system comprising a base layer consisting of a thermoplastic, a primer layer, and a scratch resistant layer consisting of a scratch resistant top coat, the multilayer system being characterized in that the primer layer contains a certain UV absorber and a certain amount of acid, preferably acetic acid, is added to the scratch resistant top coat.


Find Patent Forward Citations

Loading…