Polymerization inhibitor for vinyl aromatic compounds
US4105506A · kind A · utility
42Cited by
3References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 24, 1977 |
| Grant date | Aug 8, 1978 |
| Priority date | — |
| Expiry date | Feb 24, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C7/20
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Disclosed is a process for the distillation of readily polymerizable vinyl aromatic compounds and a new polymerization inhibitor therefor. The process comprises subjecting a vinyl aromatic compound to elevated temperatures in a distillation system in the presence of a new polymerization inhibitor comprising 2,6-dinitro-p-cresol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.