Polymeric sulfide mineral depressants

Details Polymeric sulfide mineral depressants Polymeric sulfide mineral depressants

1996-03-28

1998-05-26

Henderson, Christopher

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

252 61, C08F22602

Patent

active

057566224

ABSTRACT:
Novel depressants for depressing sulfide minerals during froth floatation of ores to recover value minerals are disclosed, as well as a method for their use in the froth flotation. The novel depressants are terpolymers of a (meth)acrylamide, an allyl thiourea and a hydroxyalkyl (meth)acrylate.

REFERENCES:
patent: 4744893 (1988-05-01), Rothenberg et al.
patent: 4866150 (1989-09-01), Lipp et al.
patent: 4888106 (1989-12-01), Lipp et al.
patent: 4902764 (1990-02-01), Rothenberg et al.

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