Patent · US Active

Delamination free membrane

US9421501B2 · kind B2 · utility

0Cited by

13References

24Claims

0Family size

Assignee

Fresenius Medical Care Deutschland GmbH · DE

Inventors

Christian Finkler · Nonnweiler, DE
Rainer Fislage · Namborn, DE
Torsten Keller · Prüm, DE
Igor Raiko · Bad Homburg vor der Höhe, DE
Roland Sander · Sankt Wendel, DE

Key dates

Filing date	Dec 20, 2011
Grant date	Aug 23, 2016
Priority date	—
Expiry date	Apr 22, 2034

Classification

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

Abstract

The present invention relates to a membrane, in particular to a hollow fiber membrane comprising a membrane, comprising at least two layers, wherein the at least two layers each comprise at least one layer forming material comprising at least one polymer and the at least two layers differ from each other with respect to the layer forming material, wherein the at least two layers are at least partly covalently and delamination free bonded to each other. The present invention relates furthermore to a method of production of the said membrane as well as to its use.

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