Method for processing pyrollidone and n-vinyl pyrollidone...

Details Method for processing pyrollidone and n-vinyl pyrollidone... Method for processing pyrollidone and n-vinyl pyrollidone...

2005-05-03

2005-05-03

Richter, Johann (Department: 1626)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

06888006

ABSTRACT:
A process for working up residues from the preparation of pyrrolidone and/or N-vinylpyrrolidone comprises subjecting the residues to a thermolysis.

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