Coated composition and its preparation process
US5290569A · kind A · utility
4Cited by
8References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 8, 1992 |
| Grant date | Mar 1, 1994 |
| Priority date | — |
| Expiry date | Jun 8, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB82Y5/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A process for preparing a coated composition comprising a pharmaceutically active substance stable to heat, which comprises centrifugally granualting a mixture comprising said active substance and a first thermomelting material as a binder under heating without using any solvent and coating the resultant granules with a second thermomelting material as a coating material under heating, the melting point of the second thermomelting material being lower than that of the first thermomelting material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.