Process for the preparation of morphologically homogeneous forms of thiazole derivatives
US5128477A · kind A · utility
17Cited by
1References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 11, 1991 |
| Grant date | Jul 7, 1992 |
| Priority date | — |
| Expiry date | Jul 11, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D277/42
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to two morphologically homogeneous forms of Famotidine [chemical name: N-sulfamoyl-3-(2-guanidino-thiazole-4-yl-methylthio)-propionamidine]. Said forms are prepared by selective crystallization or precipitation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.