C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
23/192
C01B 33/22 (2006.01) C04B 18/12 (2006.01) C04B 35/20 (2006.01)
Patent
CA 1158020
ABSTRACT There is provided a novel harzburgite of the formula PYx O? (1-x) where x is a decimal number of from 0.001 to 0.4, Py is an abbreviation for pyroxene, and o? is an abbreviation for olivine having a total iron oxide content of less than 5% which is obtained by calcining a demagnetized fraction from a magnetite- containing serpertinite. The novel harzburgite is useful for preparing refractories.
360528
Goudreau Gage Dubuc
Societe Nationale de L'amiante
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