Single pass cross flow diafiltration module and method
US11944936B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 14, 2021 |
| Grant date | Apr 2, 2024 |
| Priority date | — |
| Expiry date | Dec 14, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2315/16
- WIPO fieldChemical engineering
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.