Patent · US Expired

Polyether-polycarbonates for dialysis membranes

US4563516A · kind A · utility

9Cited by

19References

7Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Manfred Schreckenberg · Krefeld, DE
Rolf Dhein · Krefeld, DE
Ralf Lange · Krefeld, DE
Werner Waldenrath · Cologne, DE

Key dates

Filing date	Aug 15, 1984
Grant date	Jan 7, 1986
Priority date	—
Expiry date	Aug 15, 2004

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D71/50
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The present invention relates to a process for the preparation of polyether-polycarbonates, a process for stabilizing the polyether-polycarbonates thus prepared, a process for the production of membranes from the polyether-polycarbonates prepared according to the invention, stabilized membranes obtainable by the process according to the invention and the use of the polyether-polycarbonate membranes obtainable by the process according to the invention for dialysis, ultrafiltration and reverse osmosis.

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