Chromatographic supports and methods and apparatus for preparing

Details Chromatographic supports and methods and apparatus for preparing Chromatographic supports and methods and apparatus for preparing

1975-02-28

1977-06-14

Lutter, Frank W.

Liquid purification or separation

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Material

55386, 210198C, B01D 3900, B01D 3914

Patent

active

040295834

ABSTRACT:
Chromatographic supports are disclosed as are methods and apparatus for preparing the same. The support includes an inorganic support matrix that is capable of reacting with silanols, a stationary phase, and an intermediate silane coupling agent having a silicon functional group capable of bonding to the support surface and an organic functional group capable of bonding to the stationary phase. The inorganic support matrix is preferably controlled porosity glass or silica while the coupling agent may include a simple carbohydrate, a carbohydrate derivative, or a polymer to which the stationary phase is attached. A plurality of chromatographic supports and stationary phases are disclosed and two methods of bonding of stationary phases to supports are also disclosed. In addition, apparatus including a fluidized bed is also disclosed to prepare supports.

REFERENCES:
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patent: 3500616 (1970-03-01), Boosart
patent: 3514925 (1970-06-01), Bossart
patent: 3586626 (1971-06-01), Heitz et al.
patent: 3657117 (1972-04-01), Pfitzner
patent: 3660966 (1972-05-01), Finch et al.
patent: 3664967 (1972-05-01), Stehl
patent: 3722181 (1973-03-01), Kirkland
patent: 3795313 (1974-03-01), Kirkland et al.
patent: 3808125 (1974-04-01), Good
patent: 3878092 (1975-04-01), Fuller
Chem. Abs.; vol. 81; p. 245; Article No. 16999r.
Chem. Abs.; vol. 81; p. 409; Article No. 111702x.
Chem. Abs.; vol. 82; p. 300; Article No. 160630b.

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