Patent Number: 6,309,546

Title: Micro and ultrafilters with controlled pore sizes and pore size distribution and methods for making

Abstract: A micro/ultrafiltering element (10) and method for making a filter element are provided. The filtering element comprises a multi-level support (26) having a filtering membrane layer (12) formed thereon comprising sintered particles (14) of uniform diameter. The filtering membrane preferably has an average pore size of from about 0.005-10 micrometers. The filter element is capable of being formed in a variety of geometrical shapes based on the shape of the porous support,

Inventors: Herrmann; Robert C. (Boulder, CO), Landin; Steven M. (Golden, CO)

Assignee: Ellipsis Corporation

International Classification: B32B 5/22 (20060101); B32B 5/28 (20060101); B01J 37/02 (20060101); B01D 39/10 (20060101); B01J 37/00 (20060101); B01D 39/12 (20060101); B01D 39/20 (20060101); B01D 71/00 (20060101); B01D 71/02 (20060101); B01D 039/00 ()

Expiration Date: 10/30/2018