Patent Number: 6,293,411

Title: Integral supported separation membranes

Abstract: Supported separation membranes are disclosed wherein the permselective membrane is integral with a polymeric support of non-woven fibers having a particular air permeability, the integral membranes exhibiting far superior lifetimes and retention capability, especially for microorganisms.

Inventors: Beer; Hans (Bossinghausen, DE)

Assignee: Sartorius AG

International Classification: B01D 69/10 (20060101); B01D 69/00 (20060101); B01D 069/10 (); B01D 069/12 ()

Expiration Date: 09/25/2018