Stabilization of mixtures of chlorination of phenol/chlorophenols
US4853153A · kind A · utility
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2References
26Claims
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Key dates
| Filing date | Sep 25, 1987 |
| Grant date | Aug 1, 1989 |
| Priority date | — |
| Expiry date | Sep 25, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C37/86
- 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 reducing compound that is a chlorine acceptor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.