Process for preparing microparticles through phase inversion phenomena
US6235224A · kind A · utility
102Cited by
7References
4Claims
0Family size
Assignee
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Key dates
| Filing date | Nov 18, 1999 |
| Grant date | May 22, 2001 |
| Priority date | — |
| Expiry date | Nov 18, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J13/06
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A process for preparing nanoparticles and microparticles is provided. The process involves forming a mixture of a polymer and a solvent, wherein the solvent is present in a continuous phase and introducing the mixture into an effective amount of a nonsolvent to cause the spontaneous formation of microparticles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.