Process for preparation of microspheres
US4384975A · kind A · utility
201Cited by
6References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 13, 1980 |
| Grant date | May 24, 1983 |
| Priority date | — |
| Expiry date | Jun 13, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J13/125
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Microspheres, prepared by solvent removal from an oil-in-water emulsion using carboxylic acid salt surfactant, e.g., sodium oleate as the emulsifier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.