Prolonged release microspheres for injectable administration
US6967028B2 · kind B2 · utility
25Cited by
2References
26Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jun 5, 2001 |
| Grant date | Nov 22, 2005 |
| Priority date | — |
| Expiry date | May 31, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2985
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides microspheres intended to be administered by injection comprising a protein active ingredient and an agent coating the active ingredient intended to prolong its release, wherein they are free of any trace of organic solvent and they can be obtained according to a coating method involving bringing the active ingredient and the coating agent into contact, with stirring, in a supercritical fluid, said coating agent being soluble in this supercritical fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.