Acoustical ceiling tile
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Feb 20, 2018
Issued Date -
N/A
app pub date -
Sep 25, 2015
filing date -
Sep 25, 2015
priority date (Note) -
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Abstract
An acoustical tile including: 8 to 25 wt % mineral wool, 9 to 15 wt % starch binder, 9 to 15 wt % cellulosic fiber, wherein preferably the cellulosic fiber is newsprint, and 40 to 65 wt % perlite, wherein the weight ratio of the starch to the cellulosic fiber is 0.6 to 1.3:1; and a process for making the acoustical tile.
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Cited Art Landscape
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