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:
May. 25, 1999
Filed:
May. 22, 1997
Applicant:
Inventor:
Martin R Guinn, Boulder, CO (US);
Assignee:
Baxter Biotech Technology Sarl, Neuchatel, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07K / ; C07K / ; C07K / ;
U.S. Cl.
CPC ...
530412 ; 530380 ; 530385 ;
Abstract
The present invention relates to methods of purifying proteins having surface active, electron-rich amino acids using an aqueous two phase system. The methods include the use of salts and inert hydrophobic molecules, such as polymers, to produce the aqueous two phase system and the use a polymer-chelator-metal complex to purify the target proteins.