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:
Jun. 23, 1998
Filed:
Dec. 20, 1996
Applicant:
Inventors:
Assignee:
Daicel Chemical Industries, Ltd., Osaka-fu, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210659 ; 2101982 ;
Abstract
In the simulated moving bed chromatographic separation process, preferably using a simulated moving bed chromatographic separation apparatus with rotary valves and/or check valves, a supercritical fluid is used as an eluent and thereby efficiency in separation and operation is remarkably improved and the concentration step after the chromatographic separation is not required.