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. 19, 2026
Filed:
Nov. 24, 2020
Solventum Intellectual Properties Company, Maplewood, MN (US);
Kristopher E. Richardson, Inver Grove Heights, MN (US);
Daniel J. O'neal, St. Paul, MN (US);
Jerald K. Rasmussen, Woodville, WI (US);
Andrew W. Vail, Bayport, MN (US);
LIFE TECHNOLOGIES CORPORATION, Carlsbad, CA (US);
Abstract
Described herein is a method of purifying a target molecule from an aqueous biological composition, the method comprising: (a) contacting a cationic polymer and the aqueous biological composition to form a mixture comprising a bio-polymer complex and the target molecule in a liquid, wherein the bio-polymer complex has an average particle diameter of at least 45 micrometers, (b) adding the mixture to a filtering volume of a vessel, wherein the vessel comprises loosely packed staple fibers; (c) allowing the mixture to separate through the loosely packed staple fiber; and (d) collecting a filtrate comprising the target molecule.