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:
Dec. 03, 2002
Filed:
Mar. 09, 2001
Masatake Tanimura, Tokyo, JP;
Toshihiro Iwamoto, Tokyo, JP;
Nippon Rensui Co., Tokyo, JP;
Abstract
A chromatographic process of a type wherein a feedstock fluid containing a plurality of components is supplied into a circulative chromatographic separation system, the process comprising the steps of (i) supplying the feedstock fluid and withdrawing a fraction enriched in a component, (ii) supplying a desorbent fluid and withdrawing a fraction enriched in another component, and (iii) circulating the fluid through the bed without supplying or withdrawing any fluid thereby making a mixed zone comprising a plurality of components move, a cycle including steps (i), (ii) and (iii) being repeated while controlling the discharged pressure of a pump delivering the feedstock fluid, the desorbent fluid, and the circulating fluid constant.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile