Preparation of L-aspartic acid
US5488155A · kind A · utility
4Cited by
6References
8Claims
0Family size
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Key dates
| Filing date | Jun 1, 1995 |
| Grant date | Jan 30, 1996 |
| Priority date | — |
| Expiry date | Jun 1, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12P13/20
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
L-aspartic acid is improvedly prepared in high yields by treating ammonium aspartate, advantageously in aqueous reaction medium, with an effective, aspartic acid-precipitating amount of fumaric acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.