Liquid purification or separation – Filter – Material
Patent
1991-07-05
1992-03-03
Sever, Frank
Liquid purification or separation
Filter
Material
21050035, 21050037, B01D 7170
Patent
active
050930028
ABSTRACT:
Charge containing dewaxed oil and dewaxing solvent (typically methyl ethyl ketone and toluene) is treated to separate dewaxing solvent by use of a separating elastomer membrane barrier of a polysiloxane which has been cross-linked as with toluene diisocyanate, adipoyl dichloride, a dialkoxy silane, or a diacetoxy silane.
REFERENCES:
patent: 4605526 (1986-08-01), Reynhout et al.
Kulason Robert A.
O'Loughlin James J.
Seutter Carl G.
Sever Frank
Texaco Inc.
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