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:
Jul. 21, 2020

Filed:

Oct. 27, 2016
Applicant:

Sepragen Corporation, Hayward, CA (US);

Inventors:

Renu Saxena, Pleasanton, CA (US);

David Zuffi, Rohnert Park, CA (US);

Vinit Saxena, Pleasanton, CA (US);

Assignee:

Sepragen Corporation, Hayward, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 15/14 (2006.01); B01D 15/18 (2006.01); B01D 15/20 (2006.01); B01D 15/22 (2006.01); B01D 15/32 (2006.01); B01D 15/36 (2006.01); B01D 15/38 (2006.01); G01N 30/38 (2006.01); G01N 30/60 (2006.01); G01N 30/56 (2006.01);
U.S. Cl.
CPC ...
G01N 30/6091 (2013.01); B01D 15/14 (2013.01); B01D 15/18 (2013.01); B01D 15/1842 (2013.01); B01D 15/206 (2013.01); B01D 15/22 (2013.01); B01D 15/322 (2013.01); B01D 15/325 (2013.01); B01D 15/361 (2013.01); B01D 15/3804 (2013.01); G01N 30/38 (2013.01); G01N 30/606 (2013.01); G01N 30/6026 (2013.01); G01N 2030/386 (2013.01); G01N 2030/565 (2013.01);
Abstract

Provided herein in some embodiments is a column including a housing assembly and a cartridge assembly. The housing assembly can include a housing top, a housing bottom, and a housing siding. The housing siding can be fixedly coupled to the housing top and the housing bottom forming hermetic seals therebetween. The cartridge assembly can include a cartridge top, an outer frit, and an inner frit disposed within the outer frit. A toroidal space can defined by the cartridge top, the outer frit, the inner frit, and the housing bottom. The toroidal space can be configured to hold a stationary phase for radial flow column chromatography. Also provided herein in some embodiments is a process including assembling the cartridge assembly, assembling the housing assembly about the cartridge assembly, and pressure testing the column. In some embodiments, the process can further include charging the toroidal space with a stationary phase.


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