Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Ion-exchange polymer or process of preparing
Patent
1978-07-18
1979-12-25
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Ion-exchange polymer or process of preparing
528162, 423 54, B01J 108, C08G 1406
Patent
active
041806280
ABSTRACT:
A resin for sorption of tungsten is prepared by copolymerization of 8-hydroxyquinoline, a polyamine, resorcinol and formaldehyde. The resin finds particular utility for recovery of tungsten from alkaline brines.
REFERENCES:
AMM-Tungsten Section, Jan. 16, 1976, pp. 16, 18.
Ind. Eng. Chem., vol. 51, No. 6, Jun. 1959, Pennington et al., pp. 759-762.
Awed et al., Tolorta, 1971, vol. 18, pp. 279-285.
Brooks Parkman T.
Marchant Wayne N.
Brown William S.
Gardiner Donald A.
Kulkosky Peter F.
Schofer Joseph L.
The United States of America as represented by the Secretary of
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