Xuemei Liang

US Patent:

20130193075, Aug 1, 2013

Filed:

Feb 1, 2012

Appl. No.:

13/363793

Inventors:

Xuemei Liang - Pensacola FL, US
Mark Murla - Pensacola FL, US
Binbing Han - Pensacola FL, US
Donald Simonton - Gulf Breeze FL, US
Richard Morris - Longwood FL, US

Assignee:

Pall Corporation - Port Washington NY

International Classification:

B01D 69/00
B01D 63/14
B29D 7/01
B01D 61/00

US Classification:

210650, 21050027, 2104935, 264 458

Abstract:

Asymmetric membranes comprising a first asymmetric porous zone including a first porous asymmetry that increases from the first exterior surface through the first porous zone of the bulk, and a second asymmetric porous zone including a second porous asymmetry that increases from the second exterior surface through the second porous zone of the bulk, wherein the first average pore size is larger than the second average pore size, as well as methods of making and using the membranes, are disclosed.

US Patent:

20160053064, Feb 25, 2016

Filed:

Aug 20, 2014

Appl. No.:

14/464201

Inventors:

- Port Washington NY, US
Xuemei LIANG - Pensacola FL, US
Binbing HAN - Pensacola FL, US

International Classification:

C08J 9/00
C07K 1/34
B01D 39/16

Abstract:

Hydrophilic porous membranes comprising a random copolymer of: