B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
252/23, 73/93
B01J 20/32 (2006.01)
Patent
CA 1316901
LIQUID CHROMATOGRAPHY PACKING MATERIALS AND METHOD FOR MAKING AND USING SAME ABSTRACT Packing materials for use in liquid chromatographic analysis are prepared by contacting a porous support, such as porous silica, with a ketal silane to form ketal blocked diol groups on the surfaces thereof. An end-capping reagent such as a trimethylsilyl reagent may be added. In addition, the ketal blocked diol groups may be further hydrolyzed to diol groups.
562319
Dow Corning Corporation
Gowling Lafleur Henderson Llp
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