Method of making a diL-lysine monosulfate trihydrate crystal
US7553367B2 · kind B2 · utility
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7References
24Claims
0Family size
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Key dates
| Filing date | Jun 14, 2006 |
| Grant date | Jun 30, 2009 |
| Priority date | — |
| Expiry date | Jun 6, 2027 |
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 is described. The crystal is obtained by a novel process wherein crystallization is conducted at a lower temperature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.