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. 15, 2014
Filed:
May. 04, 2010
Birgit Meyer Zu Berstenhorst, Leverkusen, DE;
Gunther Stollwerck, Krefeld, DE;
Frank Buckel, Kempen, DE;
Heinz Pudleiner, Krefeld, DE;
Birgit Meyer Zu Berstenhorst, Leverkusen, DE;
Gunther Stollwerck, Krefeld, DE;
Frank Buckel, Kempen, DE;
Heinz Pudleiner, Krefeld, DE;
Bayer MaterialScience AG, Leverkusen, DE;
Abstract
The invention relates to a multilayer product comprising a first layer (A), a second layer (B), a third layer (C), and a fourth layer (D). The first layer (A) is a scratch-resistant protective layer having a minimum extinction of 0.3 at 340 nm, the second layer (B) is an alkyl acrylate layer having a minimum extinction of 2 at 340 nm, and the third layer (C) and the fourth layer (D) contain a UV-stabilized polycarbonate. The invention also relates to a method for manufacturing the multilayer product.