Alkali-stable hydrophilic sorbents for ion-exchange...

Details Alkali-stable hydrophilic sorbents for ion-exchange... Alkali-stable hydrophilic sorbents for ion-exchange...

2006-03-21

2006-03-21

Seidleck, James J. (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S118000, C525S162000, C525S173000, C526S307200, C526S332000, C526S336000, C536S093000

Reexamination Certificate

active

07015281

ABSTRACT:
The invention concerns alkali-stable hydrophilic sorbents for ion-exchange chromatography. The invention is characterized in that it consists in using as base material a crosslinked vinyl polymerconsisting of vinyl monomers containing diol groups and crosslinking monomers whereof the polymerizable groups are bound by carbonamide-containing chains. Monomers containing ionic groups are grafted on said base material using cerium (IV) salts.

REFERENCES:
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patent: 0 482 339 (1992-04-01), None
patent: 96 14151 (1996-05-01), None

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