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. 11, 1997
Filed:
Aug. 24, 1994
Wytold R Lebing, Raleigh, NC (US);
Sharon X Chen, Raleigh, NC (US);
Bayer Corporation, Berkeley, CA (US);
Abstract
Cation chromatography with solutions at pH less than 6.0 and low ionic strength can be utilized to purify human .alpha.-1 proteinase inhibitor (.alpha.-1 PI) from biological fluids including plasma and plasma fractions. The cation chromatography takes advantage of the fact that active .alpha.-1 PI does not bind to the cation column under these conditions but other proteins, including denatured .alpha.-1 PI and albumin, do. The effect is that active .alpha.-1 PI flows through the chromatography column leaving the contaminating proteins behind. Recovery of .alpha.-1 PI is high and improvement of purity is dramatic.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile