C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
196/250, 18/27
C08J 9/28 (2006.01) B01D 61/14 (2006.01) B01D 71/64 (2006.01) C10G 73/04 (2006.01) C10G 73/32 (2006.01)
Patent
CA 2009184
ABSTRACT OF THE DISCLOSURE Polyimide ultrafiltration membrane made using a single solvent and containing a pore forming agent have been produced and have been found to be useful for recovering dewaxing aid used in dawaxing process.
Borden Ladner Gervais Llp
Exxon Research And Engineering Company
LandOfFree
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