Process for preparing nanoparticles
US5766635A · kind A · utility
122Cited by
6References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 5, 1995 |
| Grant date | Jun 16, 1998 |
| Priority date | — |
| Expiry date | Jun 5, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S977/895
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Nanoparticles are prepared by dissolving a poly(ethylene oxide) and/or poly(propylene oxide) polylactic copolymer in an organic solvent followed by formation of nanoparticles by mixing the solution containing the polymer with an aqueous solution and by precipitation, without using an additional colloidal protective agent or by microfluidization and solvent evaporation. Nanoparticles prepared by this method are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.