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. 07, 2000
Filed:
Oct. 04, 1995
Bernhard Fischer, Vienna, AT;
Artur Mitterer, Orth/Donau, AT;
Friedrich Dorner, Vienna, AT;
Johann Eibl, Vienna, AT;
Bio-Products & Bio-Engineering A.G., Vienna, AT;
Abstract
A method for separation of recombinant pro-Factor IX from recombinant Factor IX by a chromatographic method is described. According to a preferred embodiment, the mixture of both proteins is bound to an ion exchanger and pro-Factor IX and Factor IX are eluted separately from each other by buffer solutions with different salt concentrations and/or pH values. According to the method of the invention, pro-Factor IX and Factor IX are obtainable in highly pure form and free from the other factor respectively.
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