Process for purifying .alpha.-amino acids
US4014928A · kind A · utility
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4References
8Claims
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Assignee
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Key dates
| Filing date | Jul 31, 1975 |
| Grant date | Mar 29, 1977 |
| Priority date | — |
| Expiry date | Jul 31, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C227/40
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for purifying an .alpha.-amino acid containing cyano impurities comprising heating an aqueous solution of the .alpha.-amino acid in the form of its alkali metal salt in the presence of an alkali metal hydroxide to decompose the cyano impurities.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.