Styrene purification process
US4003800A · kind A · utility
31Cited by
4References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 2, 1976 |
| Grant date | Jan 18, 1977 |
| Priority date | — |
| Expiry date | Jan 2, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C7/20
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to the use of quinone alkides as polymerization inhibitors in a styrene purification process. The inhibitors are prepared by oxidizing hindered phenols to the corresponding quinone alkide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.