Preparation of methylhydroquinone
US5043494A · kind A · utility
0Cited by
3References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 16, 1989 |
| Grant date | Aug 27, 1991 |
| Priority date | — |
| Expiry date | Oct 16, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C37/48
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Methylhydroquinone (MeHQ) or methyl ether derivative thereof is prepared by contacting paramethoxyphenol or para-dimethoxybenzene with an acid catalyst, preferably a solid acid catalyst, at a temperature ranging from 100.degree. to 300.degree. C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.