C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 3/20 (2006.01) C22B 3/22 (2006.01) C22B 3/44 (2006.01) C22B 11/08 (2006.01)
Patent
CA 2051097
- 21 - ABSTRACT OF THE DISCLOSURE A method for ion flotation, especially in the extraction of gold uses as the flotation reagent a cationic surfactant of formula(I), wherein R1 is a C10-C18 alkyl group, R3is a lower alkyl group, or benzene ring optionally substituted with one or more lower alkyl groups and R2 and R4 are lower alkyl groups; or R1, R2 and R4 are methyl groups; R is a benzene ring substituted with a C10-C18 alkoxy group; and X is a halogen atom.
Engel Malcolm D.
Nicol Stuart K.
Smitham James B.
Broken Hill Proprietary Company Limited (the)
Engel Malcolm D.
Nicol Stuart K.
Riches Mckenzie & Herbert Llp
Smitham James B.
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