Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Patent
1992-05-22
1992-10-27
Therkorn, Ernest G.
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
210656, 2101982, 2105021, 55 67, 55386, B01D 1508
Patent
active
051586827
ABSTRACT:
Method of chromatographically separating a mixture by contacting said mixture under chromatographic separation conditions with a chromatographic separation stationary phase comprising an N-acyl diazepine polymer. In a preferred form, the polymer has been rendered substantially alkali-stable by substitution for the hydrogen at the C3 position on the diazepine ring.
REFERENCES:
patent: 4617253 (1986-10-01), Taylor
patent: 4670528 (1987-06-01), Taylor
patent: 4879038 (1989-11-01), Namikoshi
PolySep Surface Technologies Inc.
Therkorn Ernest G.
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