Generation of ion exchanger media

Details Generation of ion exchanger media Generation of ion exchanger media

2006-06-27

2006-06-27

Therkorn, Ernest G. (Department: 1723)

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

C210S656000, C210S198200, C210S502100, C502S401000, C502S439000, C521S032000, C521S033000

Reexamination Certificate

active

07067059

ABSTRACT:
The present invention relates to a method of generating a separation medium comprising mixed mode cation-exchanger ligands coupled to a base matrix, which method comprises to provide a scaffold comprising a functional group and exhibiting a cyclic core structure; derivatise the scaffold with a reagent comprising a reactive group coupled to a residue R by reacting the functional group of the scaffold with said reactive group; open the cyclic structure of the resulting derivative; and react the product with a base matrix comprising a reactive group. The scaffold presents at least two functionalities; one sulphur-comprising group for coupling to the base matrix and one group that can be transformed into an ionic group.

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patent: 1 123 942 (2001-08-01), None
patent: WO99/38842 (1999-08-01), None
patent: WO99/65607 (1999-12-01), None

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