Multi-component, simultaneous, independent multi-gradient...

Details Multi-component, simultaneous, independent multi-gradient... Multi-component, simultaneous, independent multi-gradient...

2007-08-29

2008-09-16

Therkorn, Ernest G (Department: 1797)

Liquid purification or separation

With means to add treating material

Chromatography

C210S656000, C210S101000

Reexamination Certificate

active

07425263

ABSTRACT:
Systems and methods for separating charged molecules on the basis of their differential electrostatic binding to a charged stationary phase comprise controlling the creation of simultaneous independent or dependent pH and additive gradients.

REFERENCES:
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patent: 6221250 (2001-04-01), Stafstrom
patent: 7138051 (2006-11-01), De Lamotte
patent: 2002/0153312 (2002-10-01), Gjerde et al.
patent: 2007/0144973 (2007-06-01), Tsonev et al.
Therkorn, “International Search Report,” from PCT/US2007/077162, 2 pages, United States Patent and Trademark Office, Alexandria, Virginia (mailed Jun. 4, 2008).
Therkorn, “Written Opinion,” from PCT/US2007/077162, 3 pages, United States Patent and Trademark Office, Alexandria, Virginia (mailed Jun. 4, 2008).

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