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. 26, 2016

Filed:

Feb. 25, 2008
Applicants:

Kannan Srinivasan, Tracy, CA (US);

Rong Lin, Sunnyvale, CA (US);

Sheetal Bhardwaj, Fremont, CA (US);

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

Inventors:

Kannan Srinivasan, Tracy, CA (US);

Rong Lin, Sunnyvale, CA (US);

Sheetal Bhardwaj, Fremont, CA (US);

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

Assignee:

DIONEX CORPORATION, Sunnyvale, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 30/96 (2006.01);
U.S. Cl.
CPC ...
G01N 30/96 (2013.01);
Abstract

Ion chromatography apparatus including (a) a chromatographic column, (b) a source of an aqueous eluent liquid stream, (c) a detector, (d) a recycle line between the detector and the chromatographic column, and (e) a purifying device disposed along the recycle line including ion exchange removal medium. Also, such apparatus with an electrolytic purifying device disposed along the recycle line. Also, methods of using such apparatus.


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