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.
Claims6
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.
A water felted base mat for a suspended ceiling tile comprising on a weight basis between 30 and 70% mineral wool, about 3 to 12% binder, 3 to 12% cellulose fiber, and 5 to 30% expanded glass beads.
Dependencies are inferred from the claim text.