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. 07, 2023
Filed:
Aug. 27, 2019
Applicant:
Armstrong World Industries, Inc., Lancaster, PA (US);
Inventors:
Eric D. Kragness, Sinking Spring, PA (US);
Chris Wells, Faversham, GB;
Oliver Ebert, Emsdetten, DE;
Alfred Winkler, Munster, DE;
Assignee:
AWI Licensing LLC, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E04B 9/00 (2006.01); E04B 1/84 (2006.01); B32B 37/12 (2006.01); B32B 37/24 (2006.01); C03C 25/47 (2018.01); E04B 1/86 (2006.01); E04B 9/04 (2006.01);
U.S. Cl.
CPC ...
E04B 9/001 (2013.01); B32B 37/12 (2013.01); B32B 37/24 (2013.01); C03C 25/47 (2018.01); E04B 1/84 (2013.01); E04B 1/86 (2013.01); E04B 9/045 (2013.01); B32B 2037/243 (2013.01); Y10T 428/25 (2015.01);
Abstract
Described herein are acoustical panels, comprising: a substrate; a non-woven veil having an airflow resistance of greater than 45 mks rayls, comprising: from about 20 wt. % to about 60 wt. % glass fibers; from about 40 wt. % to about 80 wt. % of a filler; and from about 110 dry g/mto about 135 dry g/mof a coating. Methods of making and using the panels are also described.