C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
261/2, 6/219
C04B 38/02 (2006.01) C04B 38/00 (2006.01) C04B 38/10 (2006.01)
Patent
CA 1211475
ABSTRACT Strong rigid foams comprising one or more layer minerals useful as insulation and fire-protection materials contain cells of which the mean diameter is below 60 microns, 90% have a diameter below 100 microns and substantially all are of diameter below 150 microns and are made by gasifying an aqueous suspension of the layer mineral(s) to produce a wet foam or froth containing bubbles of gas of which the diameters are as stated above and removing water from the wet foam or froth.
429655
Jackson Graham V.
Meredith William N.e.
Barlow Charles Brian
Imperial Chemical Industries Plc
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