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, 2012
Filed:
Jul. 28, 2009
Applicants:
Martin Steuer, Liederbach, DE;
Jan Beekhuizen, Triosdorf, DE;
Uwe Keller, Bonn, DE;
Kouichiro Isoue, Okayama, JP;
Inventors:
Martin Steuer, Liederbach, DE;
Jan Beekhuizen, Triosdorf, DE;
Uwe Keller, Bonn, DE;
Kouichiro Isoue, Okayama, JP;
Assignee:
Kuraray Europe GmbH, Frankfurt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 17/10 (2006.01); B32B 27/42 (2006.01);
U.S. Cl.
CPC ...
Abstract
An interlayer film for laminated glass with sound-absorbing properties contains at least two individual films, wherein the first individual film comprises a polyvinyl acetal with a portion of polyvinyl acetate groups of 0.1 to 11 mol % and a second individual film comprises a polyvinyl acetal with a portion of polyvinyl acetate groups of between 5 and 8 mol %.