Method of producing 2,2-bis(3-nitro-4-hydroxyphenyl)hexafluoropropane
US4978808A · kind A · utility
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2References
10Claims
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Assignee
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Key dates
| Filing date | May 31, 1989 |
| Grant date | Dec 18, 1990 |
| Priority date | — |
| Expiry date | May 31, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C201/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Disclosed herein is a method of producing 2,2-bis(3-nitro-4-hydroxphenyl)hexafluoropropane, which comprises (a) preparing 2,2-bis(4-hydroxyphenyl)hexafluoropropane and a lower fatty acid; and (b) allowing the 2,2-bis(4-hydroxyphenyl)hexafluoropropane to react with nitric acid in the lower fatty acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.