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. 13, 2001
Filed:
Aug. 17, 1998
Applicant:
Inventors:
Margarete Schwarz, Deidesheim, DE;
Wolfgang Zahn, Altrip, DE;
Assignee:
Knoll Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12N 9/48 ;
U.S. Cl.
CPC ...
C12N 9/48 ;
Abstract
A process for purifying thrombin-like proteases from snake venoms is described, which consists in freeing the proteases from impurities in three chromatographic steps: a) affinity or anion exchange, b) adsorption onto a glass matrix at alkaline pH values, and c) size exclusion gel or glass matrix at acidic pH values.