Manufacture of alkyl esters of polycarboxylic acids
US3959347A · kind A · utility
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6Claims
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Key dates
| Filing date | Jun 25, 1973 |
| Grant date | May 25, 1976 |
| Priority date | — |
| Expiry date | Jun 25, 1993 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/582
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A method of making alkyl esters of polycarboxylic acids by reacting an alkaline salt of the acid and at least one halo-alkane so that the rate of conversion is limited to 35- 85% whereby no partial esters are formed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.