C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
18/14, 182/13.1
C08J 9/34 (2006.01) B01D 61/36 (2006.01) B01D 69/12 (2006.01) B01D 71/38 (2006.01) B01D 71/40 (2006.01) C07C 29/76 (2006.01) C07C 31/10 (2006.01) C07C 41/36 (2006.01) C07C 45/78 (2006.01)
Patent
CA 2020532
MEMBRANE PROCESS FOR SEPARATION OF ORGANIC LIQUIDS D#79,200 - F ABSTRACT OF THE INVENTION A mixture of alcohol, such as methanol, and organic oxygenate, such as dimethyl carbonate, is treated to recover product of decreased methanol content by pervaporation across a composite membrane of a polyvinyl alcohol and a polyacrylic acid on a polyacrylonitrile support layer.
Bartels Craig R.
Pasternak Mordechai
Reale John Jr.
Shah Vatsal M.
Smart & Biggar
Texaco Development Corporation
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