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:
Dec. 03, 2013
Filed:
Jul. 19, 2012
Markus Meise, Mannheim, DE;
Jan Beekhuizen, Troisdorf, DE;
Martin Steuer, Liederbach, DE;
Uwe Keller, Bonn, DE;
Michael Frank, Nieder-Olm, DE;
Markus Meise, Mannheim, DE;
Jan Beekhuizen, Troisdorf, DE;
Martin Steuer, Liederbach, DE;
Uwe Keller, Bonn, DE;
Michael Frank, Nieder-Olm, DE;
Kuraray Europe GmbH, Hattersheim, DE;
Abstract
The invention relates to film laminates, formed from at least three layers A, B and C, each layer containing at least one plasticizer and at least one polyvinyl acetal, wherein, at least one of the layers A, B or C contains at least one polyvinyl (iso)acetal having a mean degree of polymerization of less than 3000, 10 to 25% by weight of polyvinyl alcohol groups and a proportion 50 to 80% by weight of polyvinyl (iso)acetal groups, and wherein layer B has a plasticizer content of less than 32% by weight. The film laminates can be used for the production of glass/film laminate/glass composites for motor vehicles, aircraft, ships, architectural glazings, façade components, or for the production of photovoltaic modules.