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Inventor: Abe; Kazuaki
Address: Osaka-fu, JP
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 7037412 |
Method for preparing deodorized N-vinyl-2-pyrrolidone |
May 2, 2006 |
| The invention provides a method for producing purified N-vinyl-2-pyrrolidone free of odorous components. The method is composed of distilling with a distillation column a liquid, which is formed by adding to an odorous components-containing liquid having a N-vinyl-2-pyrrolidone purit |
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