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US 8,383,233 B2Granted
Ceiling tile base mat
AssigneeUSG Interiors, Inc.
InventorsGregory O. Palm, Martin Brown, Qing Claire Yu, Bangji Cao
Life of this patent
Estimating the term…
Abstract
A water felted base mat for a suspended ceiling tile comprising on a weight basis about ½ mineral wool, starch binder, limited to about ⅛, newsprint, limited to about ⅛, and about ¼ expanded glass beads.
Claims2
A water felted base mat for a suspended ceiling tile comprising on a weight basis about ½ mineral wool, starch binder, limited to about ⅛, newsprint, limited to about ⅛, and about ¼ expanded glass beads from post-consumer recycled glass, the glass beads having a density of 25 lbs./ft3.
Dependencies are inferred from the claim text.