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. 31, 1992
Filed:
Aug. 09, 1988
Applicant:
Inventors:
Michael Dorschug, Bochum, DE;
Ranier Obermeier, Hattersheim am Main, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07K / ; C07K / ;
U.S. Cl.
CPC ...
530305 ; 530303 ; 530412 ; 530416 ; 530417 ;
Abstract
Basic proteins are isolated from protein mixtures which contain such basic proteins and which are obtained by enzymatic clevage of proinsulin and/or its derivatives of natural, semisynthetic or genetic engineering origin by ion exchanger chromatography on strongly acid cation exchangers.