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:
Sep. 18, 1990
Filed:
May. 17, 1988
Applicant:
Inventors:
Yair Alroy, Parsippany, NJ (US);
Paul Leibowitz, Hackensack, NJ (US);
Assignee:
Schering-Plough Corp., Kenilworth, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07K / ;
U.S. Cl.
CPC ...
530351 ; 530412 ; 530418 ; 530419 ; 530420 ; 530422 ; 530423 ; 530424 ; 530427 ; 530825 ; 435 695 ; 435 6952 ; 435 711 ;
Abstract
A method is provided for extracting human interleukin-4 (IL-4) from IL-4 expressing bacterial cells. The method comprises treating the bacterial cells with a deactivating agent, disrupting the cell membrane and recovering the IL-4.