Purification of pyrrolidone

Details Purification of pyrrolidone Purification of pyrrolidone

B - Operations, Transporting

01

D

202/98

B01D 3/00 (2006.01) C07D 201/16 (2006.01)

Patent

CA 1098480

FDN-909 PURIFICATION OF PYRROLIDONE Abstract of the Disclosure 2-Pyrrolidone is purified by contact with particulate calcium oxide for a sufficient time at elevated temperatures followed by distilling and condensing the purified 2-pyrrolidone.

302654

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