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. 02, 2021
Filed:
Apr. 07, 2016
Applicant:
Kuraray Europe Gmbh, Hattersheim, DE;
Inventor:
Uwe Keller, Hattersheim, DE;
Assignee:
KURARAY EUROPE GMBH, Hattersheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 17/10 (2006.01); B32B 27/08 (2006.01); B32B 27/30 (2006.01); B32B 37/14 (2006.01);
U.S. Cl.
CPC ...
B32B 17/10761 (2013.01); B32B 17/10036 (2013.01); B32B 17/10596 (2013.01); B32B 17/10605 (2013.01); B32B 17/10633 (2013.01); B32B 17/10688 (2013.01); B32B 27/08 (2013.01); B32B 27/306 (2013.01); B32B 37/14 (2013.01); B32B 2307/202 (2013.01); B32B 2307/56 (2013.01);
Abstract
Penetration resistant laminated glass is obtained by laminating at least one film A containing a polyvinyl acetal PA and optionally at least one plasticiser WA and at least one film B containing a polyvinyl acetal PB and at least one plasticiser WB between two glass sheets, where prior to lamination, the amount of plasticiser WA in film A is less than 16% by weight, the amount of plasticiser WB in film B is at least 16% by weight, and film A comprises at least 7 ppm alkali ions.