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:
Aug. 16, 2022
Filed:
Jul. 23, 2018
Applicant:
Saint-gobain Glass France, Courbevoie, FR;
Inventors:
Assignee:
SAINT-GOBAIN GLASS FRANCE, Courbevoie, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 17/10 (2006.01); B32B 7/12 (2006.01);
U.S. Cl.
CPC ...
B32B 17/10761 (2013.01); B32B 7/12 (2013.01); B32B 17/10036 (2013.01); B32B 17/10449 (2013.01); B32B 17/10651 (2013.01); B32B 17/10779 (2013.01); B32B 17/10908 (2013.01); B32B 2307/10 (2013.01); B32B 2307/412 (2013.01); B32B 2307/558 (2013.01); B32B 2605/006 (2013.01);
Abstract
A viscoelastic plastic interlayer intended to be arranged between two glass sheets of a glazing in order to provide it with vibroacoustic damping properties, includes two outer layers of thermoplastic adhesive, an inner layer arranged between the two outer layers, the inner layer having a loss factor tan δ greater than or equal to 1.6 at 20° C. and for a frequency range of between 2 kHz and 8 kHz, and first and second barrier layers arranged respectively between the outer layers and the inner layer, and composed of a viscoelastic plastic material.