Patent · US Active

Acoustic ceiling board with improved aesthetics

US11598093B2 · kind B2 · utility

0Cited by

6References

20Claims

0Family size

Assignee

AWI Licensing LLC · US

Inventors

Eric D. Kragness · Sinking Spring, US
Chris Wells · Faversham, GB
Oliver Ebert · Emsdetten, DE
Alfred Winkler · Munich, DE

Key dates

Filing date	Aug 27, 2019
Grant date	Mar 7, 2023
Priority date	—
Expiry date	Jun 23, 2040

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/25
WIPO fieldCivil engineering
WIPO sectorOther fields

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/m2 to about 135 dry g/m2 of a coating. Methods of making and using the panels are also described.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.