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US 2015/0307466 A1Published application
Process for the distillation of a mixture comprising a cyclic n-vinylamide
AssigneeBASF SE
InventorsStefan RITTINGER, Regina VOGELSANG, Pierre FOURNIER, Anirudh ACHARYA, Sonja JUDAT
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Abstract
A process for the distillation of a mixture which consists to at least 90% by weight of a cyclic N-vinylamide and which comprises a stabilizer, wherein a polyether is added to the mixture before or during distillation and a product is obtained which consists to at least 99.5% by weight of the cyclic N-vinylamide.
Claims23
A process for the distillation of a mixture comprising a stabilizer and at least 90% by weight of a cyclic N-vinylamide, the method comprising:
- adding a polyether to the mixture before or during distillation to obtain a product comprising at least 99.5% by weight of the cyclic N-vinylamide.
Dependencies are inferred from the claim text.