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. 23, 2004
Filed:
Aug. 24, 1999
Applicant:
Inventors:
Werner Sievers, Frankfurt, DE;
Richard Bicker, Liederbach, DE;
Dieter Desch, Frankfurt, DE;
Jörg Von Eysmondt, Hofheim, DE;
Reinhold Keller, Bad Soden, DE;
Frank Richard, Kronberg, DE;
Assignee:
Aventis Pharma Deutschland GmbH, Frankfurt am Main, DE;
Primary Examiner:
Int. Cl.
CPC ...
C12K 1/400 ;
U.S. Cl.
CPC ...
C12K 1/400 ;
Abstract
The present invention relates to an improved procedure for the chromatographic purification of insulins wherein a pressure-stable organic polymeric chromatography material is used as a stationary phase, and the mobile phase contains at least one water-miscible organic solvent and at least one buffer substance and the pH is from about 7 to about 11.