Stabilization of mixtures of chlorination of phenol/chlorophenols
US4822922A · kind A · utility
1Cited by
7References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 25, 1987 |
| Grant date | Apr 18, 1989 |
| Priority date | — |
| Expiry date | Sep 25, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C37/88
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Mixtures produced by chlorination of phenol/chlorophenols are effectively stabilized by stirring same in the presence of a stabilizing amount of at least one strong protonic acid and/or a Lewis acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.