Process for the recovery of pyrrolidone-2

Details Process for the recovery of pyrrolidone-2 Process for the recovery of pyrrolidone-2

1978-05-04

1981-04-28

Bernstein, Hiram

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

203 34, 203 35, 260 23, 528490, 528491, B01D 338, C07D20712

Patent

active

042645018

ABSTRACT:
A process is described for the recovery of 2-pyrrolidone monomer from polypyrrolidone waste material by heating the latter in the presence of a small amount of strong acid, and distilling off the said monomer.

REFERENCES:
patent: 2685570 (1954-08-01), Verdiers
patent: 2828307 (1958-03-01), Soeterbrock
patent: 3926927 (1975-12-01), Stookey
patent: 4187370 (1980-02-01), Anshus et al.

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