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:
Nov. 20, 2018
Filed:
Jan. 27, 2010
Applicants:
Helmut Werner Heuer, Leverkusen, DE;
Rolf Wehrmann, Krefeld, DE;
Inventors:
Helmut Werner Heuer, Leverkusen, DE;
Rolf Wehrmann, Krefeld, DE;
Assignee:
Covestro AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/103 (2006.01); B32B 27/36 (2006.01); B42D 25/23 (2014.01); B32B 27/08 (2006.01); B32B 27/18 (2006.01); G06K 19/077 (2006.01); B42D 25/00 (2014.01); B32B 27/06 (2006.01); B32B 27/20 (2006.01); B42D 25/455 (2014.01); B42D 25/46 (2014.01);
U.S. Cl.
CPC ...
B32B 27/365 (2013.01); B32B 27/06 (2013.01); B32B 27/08 (2013.01); B32B 27/18 (2013.01); B32B 27/20 (2013.01); B42D 25/00 (2014.10); B42D 25/23 (2014.10); C08K 5/103 (2013.01); G06K 19/077 (2013.01); B32B 2250/24 (2013.01); B32B 2262/101 (2013.01); B32B 2264/101 (2013.01); B32B 2307/4026 (2013.01); B32B 2307/412 (2013.01); B32B 2307/50 (2013.01); B32B 2307/75 (2013.01); B32B 2425/00 (2013.01); B32B 2429/00 (2013.01); B42D 25/455 (2014.10); B42D 25/46 (2014.10); B42D 2033/30 (2013.01); Y10T 156/10 (2015.01); Y10T 428/31507 (2015.04);
Abstract
The invention relates to a multi-layer film composite having at least one layer made of polycarbonate or copolycarbonate, characterized in that the polycarbonate or copolycarbonate comprises at least one additive of the general formulas (1) to (8), R1 are selected independently of each other from the group made of C10-C25-alkyl, C10-C25-alkoxy, and C10-C25-alkyl-substituted aryl, R2 are selected independently of each other from the group of C10-C25-alkylcarbonyl or hydrogen, and R3 are selected independently of each other from the group of C10-C25-alkyl.