C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
261/78.5
C04B 28/14 (2006.01) E04F 15/12 (2006.01)
Patent
CA 1189098
ABSTRACT OF THE DISCLOSURE A sub-flooring mix comprising a composition of calcium sulfate hemihydrate and other additives; and sand and water. Polyvinyl alcohol is added to the composition, which prevents surface dusting when the mix sets.
443412
Gyp Crete Of Canada (1984) Ltd.
Ridout & Maybee Llp
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