B - Operations – Transporting – 03 – D
Patent
B - Operations, Transporting
03
D
361/2
B03D 1/02 (2006.01) B03D 1/002 (2006.01) B03D 1/012 (2006.01) B03D 1/018 (2006.01)
Patent
CA 1200926
FROTH FLOTATION PROCESS Abstract of the Disclosure The froth flotation of ore and coal is significantly improved in recovery and grade of valuable minerals and coal when a depressant combination of an inorganic sulfite and the salts of certain sulfonated compounds are employed.
446827
Hercules Incorporated
Moffat & Co.
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