Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter
Reexamination Certificate
2006-06-06
2006-06-06
Kiliman, Leszek B (Department: 1773)
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Particulate matter
C428S532000, C428S537500, C106S018330, C106S018360, C523S122000, C427S372200
Reexamination Certificate
active
07056582
ABSTRACT:
A composition for a slurry for manufacture of acoustical panels includes one or more fillers, one or more binders, water and zinc pyrithione. At least of the fillers and/or binders includes microbial nutrients in an amount of at least 1% based on the dry weight of the acoustical panel. In another embodiment of the invention, acoustical panels include a core having a plurality of opposing surfaces and being at least ⅛ inches thick. The core comprises the dried product of a slurry of fillers, binders and water. Zinc pyrithione is present in at least one of the core and a coating applied to at least one of the surfaces of the core.
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Carbo Adelaida L.
Englert Mark H.
Musselman Rodney Phillip
Geoffrey Michael M.
Greer Burns & Crain Ltd.
Janci David F.
Kiliman Leszek B
USG Interiors, Inc.
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