Inhibiting polymerization of vinyl aromatic monomers
US5254760A · kind A · utility
62Cited by
13References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 29, 1992 |
| Grant date | Oct 19, 1993 |
| Priority date | — |
| Expiry date | Jul 29, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C7/20
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The polymerization of a vinyl aromatic compound, such as styrene, during distillation or purification is very effectively inhibited by the presence of at least one stable nitroxyl compound together with at least one aromatic nitro compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.