Patent · US Expired

Wide passage cross-flow filter cassettes

US6916420B2 · kind B2 · utility

11Cited by

14References

13Claims

0Family size

Assignee

Sartorius AG · DE

Inventors

Hans-Weddo Schmidt · Hardegsen, DE
Ulrich Grummert · Witzenhausen, DE
Ina Pahl · Hannover, DE
Claudia Hartmann · Mering, DE

Key dates

Filing date	Apr 19, 2001
Grant date	Jul 12, 2005
Priority date	—
Expiry date	Jan 18, 2022

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D63/084
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

An improved wide passage cross-flow filtration cassette is disclosed that incorporates an open mesh matrix retentate spacer that is dimensioned and oriented so as to improve flux and cause turbulence in the flow of fluids through the cassette.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.