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:
Mar. 28, 2017
Filed:
Apr. 16, 2015
Applicant:
Kuraray Europe Gmbh, Hattersheim, DE;
Inventors:
Philipp Lellig, Troisdorf, DE;
Uwe Keller, Bonn, DE;
Assignee:
KURARAY EUROPE GMBH, Hattersheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 17/10 (2006.01); B32B 17/00 (2006.01); C08J 5/18 (2006.01); C08K 5/3467 (2006.01); C08J 3/20 (2006.01);
U.S. Cl.
CPC ...
B32B 17/10678 (2013.01); B32B 17/00 (2013.01); B32B 17/10036 (2013.01); B32B 17/10761 (2013.01); C08J 3/203 (2013.01); C08J 5/18 (2013.01); C08K 5/3467 (2013.01); B32B 2419/00 (2013.01); B32B 2457/12 (2013.01); B32B 2457/20 (2013.01); B32B 2457/206 (2013.01); B32B 2605/08 (2013.01); B32B 2605/18 (2013.01); C08J 2329/14 (2013.01); Y10T 428/3163 (2015.04);
Abstract
Polyvinylacetal films exhibiting high UV absorbance, freedom from cloudiness, and low tendency for UV stabilizer migration use, as a UV absorber, one or more UV absorbers of the formulae (1a), (1b), (2) or (3) in films formed from plasticizer-containing polyvinyl acetal