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:
Feb. 21, 1995
Filed:
Sep. 21, 1993
Applicant:
Inventors:
Paul P Trotta, Rutherford, NJ (US);
Gail F Seelig, Watchung, NJ (US);
Robert A Kosecki, Flemington, NJ (US);
Paul Reichert, Montville, NJ (US);
Assignee:
Schering Plough Corporation, Madison, NJ (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07K / ;
U.S. Cl.
CPC ...
530351 ; 530397 ; 530416 ; 530417 ; 435 695 ;
Abstract
A method of purifying granulocyte-macrophage colony-stimulating factor (GM-CSF), particularly recombinant human GM-CSF, in good yield and with retention of biological activity, comprising sequential anion-exchange, dye-ligand affinity, gel filtration and reversed-phase chromatography is disclosed.