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:
Aug. 10, 1982
Filed:
Oct. 23, 1980
Applicant:
Inventors:
Ulrich Menge, Brunswick, DE;
Michael Morr, Brunswick, DE;
Maria-Regina Kula, Wolfenbuttel, DE;
Kristin Anastassiadis, Wolfenbuttel, DE;
Assignee:
Gesellschaft fur Biotechnologische Forschung mbH (GBF), Braunschweig-Stockheim, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; A61K / ;
U.S. Cl.
CPC ...
2601 / ; 424 85 ;
Abstract
The invention concerns a process for the purification of interferon, where interferon is purified by partitioning interferon in an aqueous multi-phase system in the presence of ion exchangers that are soluble in this system and that are derivatives of polyethers.