Separating agent for an optical enantiomeric isomer

Details Separating agent for an optical enantiomeric isomer Separating agent for an optical enantiomeric isomer

2003-11-13

2008-08-05

Therkorn, Ernest G (Department: 1797)

Liquid purification or separation

With means to add treating material

Chromatography

C210S635000, C210S656000, C210S502100, C502S404000

Reexamination Certificate

active

07407576

ABSTRACT:
The present invention is to provide a method of producing a separating agent for an enantiomeric isomer having a high optical resolution power together with sufficient solvent resistance. That is, a method of producing a separating agent for an enantiomeric isomer comprising the steps of allowing the porous carrier to carry the optically active polymer compound by bringing the porous carrier into contact with a dope of the optically active polymer compound and exposing a product to radiation.

REFERENCES:
patent: 6217769 (2001-04-01), Okamoto et al.
patent: 6736967 (2004-05-01), Ohnishi et al.
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patent: 2001-296288 (2001-10-01), None
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patent: WO 97/04011 (1997-02-01), None
patent: WO 99/51316 (1999-10-01), None
PTO Translation No. 07-2942 of Japan Patent No. 57-197034.
PTO Translation No. 04-4002 of Japan Patent No. 2001-296288.
Useful Chiral Packing Materials for High-Performance Liquid Chromatography Resolution of Enantiomers: Phenylcarbamates of Polysaccharides Coated on Silica Gel, by Yoshio Okamoto et al, J. Am. Chem. Soc., vol. 106, No. 18, 1984, pp. 5358-5359.

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