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:
Oct. 14, 1997
Filed:
Jun. 07, 1996
Applicant:
Inventors:
Alois Jungbauer, Vienna, AT;
Hans Peter Lettner, Vienna, AT;
Assignee:
BioSepra, Inc., Marlborough, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210635 ; 210656 ; 210759 ; 210764 ; 2101982 ; 422 28 ; 422 30 ;
Abstract
A method for sterilizing liquid chromatography resins that are highly resistant to oxidation by strongly oxidizing agents and a sterilization solution for use therein. In a preferred embodiment, the invention comprises contacting an oxidant-resistant chromatographic resin with an aqueous solution of peracetic acid and up to 40% ethanol. In particular, where the solution is to be used to sterilize a positively charged ion-exchange resin, the solution preferably additionally includes an acetate buffer of a sufficient ionic strength to prevent adsorption of the peracetic acid ions on the resin.