Process for making menthyl glutarate
US7960580B2 · kind B2 · utility
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7Claims
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Key dates
| Filing date | Apr 22, 2009 |
| Grant date | Jun 14, 2011 |
| Priority date | — |
| Expiry date | Sep 10, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2601/14
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for making menthyl glutarate is disclosed. The process comprises reacting excess glutaric acid and menthol to produce a mixture comprising monomenthyl glutarate (MMG) and dimenthyl glutarate (DMG), wherein the weight ratio of glutaric acid to menthol is from 1.0 to 1.6 and the resulting mixture comprises from 60 to 70 wt. % of MMG and from 30 to 40 wt. % of DMG.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.