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.:

US 7390389 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 24, 2008

Filed:

Aug. 30, 2002
Applicants:

Joel Stephane Rossier, Vionnaz, CH;

Frédéric Reymond, La Conversion, CH;

Philippe Michel, Collombey, CH;

Inventors:

Joel Stephane Rossier, Vionnaz, CH;

Frédéric Reymond, La Conversion, CH;

Philippe Michel, Collombey, CH;

Assignee:

Diagnoswiss S.A., Monthey, CH;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 27/447 (2006.01); G01N 27/453 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention relates to an apparatus and method for the separation and purification of charged and neutral compounds in an analyte solution by electrophoretic means using a plurality of compartments () to contain the analyte solution, an chemical buffering system () to fix a pH value or a pH gradient in its portion(s) contacting the analyte solution and an electrical field imposed by electrical means () disposed in at least two of said compartments. This invention allows one to differentially separate charged and neutral compounds, to extract the migrating compounds from the chemical buffering system (), to recover the purified compounds mainly in solution and to collect them in the various compartments (), preferably at various pI.


Find Patent Forward Citations

Loading…