DiL-lysine monosulfate trihydrate crystal and method of making
US7161029B2 · kind B2 · utility
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5References
9Claims
0Family size
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Key dates
| Filing date | Dec 17, 2003 |
| Grant date | Jan 9, 2007 |
| Priority date | — |
| Expiry date | Jul 5, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C227/42
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A diL-lysine monosulfate trihydrate crystal which has a large tabular form and is more easily separable from the mother liquor. The crystal is obtained by a novel process of conducting crystallization at a lower temperature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.