C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 7/12 (2006.01) B01D 61/36 (2006.01) B01D 69/12 (2006.01) B01D 71/82 (2006.01) B29C 71/00 (2006.01) C07C 7/144 (2006.01) C07C 29/76 (2006.01)
Patent
CA 2051497
NOVEL MEMBRANE PROCESS D#79,466-F ABSTRACT OF THE INVENTION Isopropanol may be recovered from isopropanol/water charge by pervaporation across a membrane of polyethylene imine which has been cross-linked with 1,4- dibromobutane.
Smart & Biggar
Texaco Development Corporation
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