Process for preparing p-cumylphenol
US4906791A · kind A · utility
8Cited by
3References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 16, 1988 |
| Grant date | Mar 6, 1990 |
| Priority date | — |
| Expiry date | Aug 16, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C37/14
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for preparing p-cumylphenol which comprises reacting phenol and .alpha.-methylstyrene in the presence of an inorganic solid acid catalyst having an acid point of an acid strength Ho of up to -3, for example, activated clay and recovering the aimed p-cumylphenol from the reaction mixture thus obtained by distilling the same while introducing an inert gas such as nitrogen and/or steam into the distillation system is disclosed. The p-cumylphenol thus obtained has a high purity and an improved color compared with those obtained by conventional methods.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.