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.
Patent No.:
Date of Patent:
Aug. 12, 2014
Filed:
Jul. 07, 2011
Applicants:
James D. Mcchesney, Etta, MS (US);
Douglas L. Rodenburg, Thaxton, MS (US);
Inventors:
James D. McChesney, Etta, MS (US);
Douglas L. Rodenburg, Thaxton, MS (US);
Assignee:
IronStone Separations, Inc., Etta, MS (US);
Primary Examiner:
Int. Cl.
CPC ...
B01D 15/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
This application discloses, in part, 1) a stationary phase column and compression designs for preparative chromatography, 2) a method of improving performance of silica gel chromatography by controlling the hydration of silica gel and acidifying the mobile phase, and 3) a method of extending the life of a silica gel column packing by cleaning or regenerating the silica gel stationary phase.