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. 16, 2003
Filed:
May. 26, 1999
Applicant:
Inventors:
Deborah Ann Ansaldi, San Mateo, CA (US);
Philip Lester, San Lorenzo, CA (US);
Assignee:
Genentech, Inc., South San Francisco, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07K 1/18 ; C07K 1/20 ; C07K 1/22 ; C07K 1/14 ;
U.S. Cl.
CPC ...
C07K 1/18 ; C07K 1/20 ; C07K 1/22 ; C07K 1/14 ;
Abstract
A method is disclosed for separating a polypeptide monomer from a mixture comprising dimers and/or multimers. The method comprises applying the mixture to either a cation-exchange chromatography resin or an anion-exchange chromatography resin and eluting the mixture at a gradient of about 0-1 M of an elution salt, wherein the monomer is separated from the dimers and/or multimers present in the mixture.