Patent · US Active

Cellulose hydrate ultrafiltration membranes and method for their production

US7422686B2 · kind B2 · utility

1Cited by

9References

16Claims

0Family size

Assignee

Sartorius Stedim Biotech GmbH · DE

Inventors

Dietmar Nussbaumer · Göttingen, DE
Hans-Heinrich Horl · Bovenden, DE

Key dates

Filing date	Nov 1, 2005
Grant date	Sep 9, 2008
Priority date	—
Expiry date	Sep 27, 2026

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D2323/30
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

There is disclosed a process for the production of cellulose hydrate ultrafiltration membranes having improved filtration performance and the ultrafiltration membranes produced by the process.

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