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:
Mar. 09, 2010
Filed:
Oct. 25, 2005
Peter C. Rahn, Richmond, VA (US);
Romaine R. Maiefski, Oceanside, CA (US);
Tivadar Farkas, Harbor City, CA (US);
Emmet E. Welch, Aliso Viejo, CA (US);
Peter C. Rahn, Richmond, VA (US);
Romaine R. Maiefski, Oceanside, CA (US);
Tivadar Farkas, Harbor City, CA (US);
Emmet E. Welch, Aliso Viejo, CA (US);
Phenomenex, Inc., Torrance, CA (US);
Abstract
A slurry chamber is fastened to and held in coaxial alignment with a chromatography column by a V-band. One end of the column has an end cap and frit. A slurry of fluid and chromatographic media is placed in the column and chamber. A piston is forced through the chamber and into the column by a hydraulic ram to expel the fluid and form a media bed in the column. The slurry chamber is removed, and a split end cap is fastened to the column. A threaded recess in the split end cap receives a split, threaded collet. The collet is tightened until it pushes against the piston with the same force as the ram, at which point the ram is released and the column removed for use.