Separation and purification method of t-butyl-methylphenol isomer
US6120653A · kind A · utility
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6References
7Claims
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Key dates
| Filing date | May 13, 1998 |
| Grant date | Sep 19, 2000 |
| Priority date | — |
| Expiry date | May 13, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C37/685
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A method is provided for industrially advantageously and effectively separating 4M2B and 3M6B from a t-butylcresol mixture containing 2-t-butyl-4-methylphenol (4M2B), 2-tbutyl-5-methylphenol (3M6B), compounds having a lower boiling point than that of 4M2B and compounds having a higher boiling point than that of 3M6B derived from a m,p-cresol mixture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.