Process for the preparation of 2,2'-oxydisuccinate
US5391823A · kind A · utility
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2References
8Claims
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Key dates
| Filing date | Sep 24, 1993 |
| Grant date | Feb 21, 1995 |
| Priority date | — |
| Expiry date | Sep 24, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/347
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the preparation of 2,2'-oxydisuccinate from maleate, malate and alkaline earth metal hydroxide is disclosed which cooperatively control pH, temperature, time and ratio of reactants to effectively avoid substantial phase separation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.