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:
Jan. 08, 1991
Filed:
Jun. 08, 1988
Applicant:
Inventors:
James W Bloom, Richmond, CA (US);
Melvin F Wong, San Francisco, CA (US);
Gautam Mitra, Kensington, CA (US);
Assignee:
Miles Inc., Elkhart, IN (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07K / ; C07K / ;
U.S. Cl.
CPC ...
530387 ; 530416 ; 530417 ; 530412 ; 530413 ;
Abstract
Protein A is selectively isolated from an antibody--Protein A mixture by exposing the mixture to an anion exchange material under conditions sufficient to adsorb both components and then sequentially eluting the antibodies and protein A under conditions of increasing ionic strength. Resulting antibody preparations have less than about 15 ng of Protein A per mg of antibody.