The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 09, 2013

Filed:

May. 23, 2012
Applicants:

Yan Liu, Palo Alto, CA (US);

Victor Manuel Berber Barreto, Campbell, CA (US);

Christopher A. Pohl, Union City, CA (US);

Nebojsa Avdalovic, Cupertino, CA (US);

Inventors:

Yan Liu, Palo Alto, CA (US);

Victor Manuel Berber Barreto, Campbell, CA (US);

Christopher A. Pohl, Union City, CA (US);

Nebojsa Avdalovic, Cupertino, CA (US);

Assignee:

Dionex Corporation, Sunnyvale, CA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01N 30/84 (2006.01);
U.S. Cl.
CPC ...
Abstract

An apparatus for capillary ion chromatography comprising a suppressor comprising flow-through ion exchange packing in a housing and capillary tubing formed of a permselective ion exchange membrane, and at least partially disposed in said ion exchange packing. Also, a recycle conduit for aqueous liquid from the detector to the packing. Further, the capillary tubing may have weakly acidic or weakly basic functional groups. Also, a method for using the apparatus.


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