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:
Feb. 08, 2022
Filed:
Nov. 25, 2019
Watersep Bioseparations Llc, Marlborough, MA (US);
Attila Herczeg, Southborough, MA (US);
Bengt G Persson, Boston, MA (US);
Julie-Anne Burdick, Hudson, MA (US);
WaterSep BioSeparations LLC, Marlborough, MA (US);
Abstract
Disclosed herein is a single pass cross flow diafiltration system comprising: a filtration module having; two or more filtration segments fluidly connected in series, each having an upstream side and a downstream side; wherein each filtration segment comprises hollow fiber filter membranes, and wherein each filtration segment has a selected length; wherein the hollow fiber filter membranes of each filtration segment have a selected inner diameter; wherein the selected inner diameter of each filtration segment may be the same or different, provided that at least one selected inner diameter differs from another selected inner diameter, and provided that the two or more filtration segments are arranged such that no selected inner diameter in a given filtration segment is larger on the upstream side; one or more pumps, mounted to urge fluid flow; and one or more points of introduction of a diadiluent, each of said points of introduction being fluidly connected to an upstream filtration segment.