Compositions and methods of making sustained release liquid formulations
US8318210B2 · kind B2 · utility
42Cited by
21References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 28, 2005 |
| Grant date | Nov 27, 2012 |
| Priority date | — |
| Expiry date | Nov 1, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A50/30
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention includes compositions and methods for the controlled release of active agents in a shelf-stable liquid formulation by blending one or more controlled release microbeads comprising one or more active agents, preparing a dense, thixotropic solution having a density that is at, or about, the density of the one or more microbeads comprising a thixotropic agent, water and one or more preservatives under conditions that reduce bubble formation and mixing the microbeads and the thixotropic solutions in a mixer that lacks scraping paddles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.