Solid solution beadlet
US6692767B2 · kind B2 · utility
51Cited by
6References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 18, 1998 |
| Grant date | Feb 17, 2004 |
| Priority date | — |
| Expiry date | Jan 11, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/145
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Disclosed is a beadlet comprising (i) a hydrophobic long chain fatty acid or ester material; (ii) a surfactant; and (iii) a therapeutic agent which in admixture form a solid solution at room temperature. The hydrophobic material preferably has a melting point of about 40 to about 100° C., and is most preferably glyceryl behenate. The surfactant is preferably a polyglycolyzed glyceride, polyoxyethylene sorbate, ethylene or propylene block copolymer or combinations thereof, and is most preferably polyoxyethylene 20 sorbitan monolaurate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.