Method for preparing galenic formulations particularly for pharmaceutical, dietetical, cosmetic and diagnostic uses
US4490407A · kind A · utility
14Cited by
1References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 7, 1983 |
| Grant date | Dec 25, 1984 |
| Priority date | — |
| Expiry date | Apr 7, 2003 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/412
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A method for preparing a galenic formulation for pharmaceutical, dietetic, cosmetic or diagnostic use, comprising forming a liquid mixture containing at least one active ingredient and at least one film-forming substance, spraying the mixture at a temperature between 50.degree. and 150.degree. C. to form droplets, drying the droplets in a current of drying gas at a temperature between 100.degree. and 150.degree. C. to obtain coated granules with a diameter comprised between 10 and 20.mu., collecting the coated granules, and subjecting the collected granules to lyophilization.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.