N-vinylformamide compositions
US5554792A · kind A · utility
4Cited by
5References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 13, 1995 |
| Grant date | Sep 10, 1996 |
| Priority date | — |
| Expiry date | Apr 13, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C231/22
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Disclosed herein is an N-vinylformamide composition comprising 250 ppm by weight or less of formic acid based on N-vinylformamide. According to the invention, the purity and polymerizing activity of N-vinylformamide are preserved for a long time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.