Sustained release poly (lactic/glycolic) matrices
US5759583A · kind A · utility
84Cited by
2References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 17, 1995 |
| Grant date | Jun 2, 1998 |
| Priority date | — |
| Expiry date | Nov 17, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P29/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
This invention provides a sustained release composition comprising a PLGA matrix, a bioactive agent, and a quaternary ammonium surfactant, in which the release profile of the bioactive agent from the PLGA matrix is controlled by the concentration of the quaternary ammonium surfactant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.