Production of N-vinyl pyrrolidone

Details Production of N-vinyl pyrrolidone Production of N-vinyl pyrrolidone

2005-06-14

2005-06-14

McKane, Joseph K. (Department: 1626)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C548S543000, C548S551000

Reexamination Certificate

active

06906200

ABSTRACT:
N-vinyl pyrrolidone is produced by dehydration of N-hydroxyethyl pyrrolidone in the presence of an amorphous mixed oxide catalyst such as an amorphous Ca/Zn oxide catalyst.

REFERENCES:
patent: 2669570 (1954-02-01), Schnizer
patent: 3821245 (1974-06-01), Kanetaka et al.
patent: 5569770 (1996-10-01), Kuo et al.

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