B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
18/16
B01D 71/64 (2006.01) B01D 53/22 (2006.01) B01D 71/48 (2006.01) B01D 71/50 (2006.01) C01B 13/02 (2006.01) C08G 64/10 (2006.01) C08J 9/34 (2006.01)
Patent
CA 1319476
ABSTRACT Polymeric matrices with two porous surfaces and a region which functions to separate one or more gases from one or more other gases are particularly useful as semi-permeable membranes. While maintaining excellent separation factors and flux, such membranes are less prone to being damaged due to handling and exposure to contaminants as the porous surfaces function to protect the internal region which effects the separation.
577781
Clark Daniel O.
Jensvold John A.
Sanders Edgar S. Jr.
Smart & Biggar
The Dow Chemical Company
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