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:
May. 24, 2005

Filed:

May. 09, 2002
Applicants:

Heikki Heikkilä, Espoo, FI;

Jari Lewandowski, Siuntio, FI;

Jarmo Kuisma, Lohja as., FI;

Inventors:

Heikki Heikkilä, Espoo, FI;

Jari Lewandowski, Siuntio, FI;

Jarmo Kuisma, Lohja as., FI;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D015/08 ;
U.S. Cl.
CPC ...
Abstract

A method for fractionating a solution into two or more fractions. More particularly the invention relates to a method for fractionating a solution by a chromatographic simulated moving bed (SMB) process in which the dissolved substances present in the feedstock are separated in the partial packed beds, and the formed separation profile is circulated more than once or less than once through the chromatographic separation loop during one cycle.


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