Drug delivery system
US8333983B2 · kind B2 · utility
4Cited by
13References
43Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 19, 2004 |
| Grant date | Dec 18, 2012 |
| Priority date | — |
| Expiry date | Nov 7, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P31/22
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The subject invention provides a drug delivery system comprising at least one compartment consisting of (i) a drug-loaded thermoplastic polymer core, (ii) a drug-loaded thermoplastic polymer intermediate layer and (iii) a non-medicated thermoplastic polymer skin covering the intermediate layer, wherein said intermediate layer is loaded with (a) crystals of a first pharmaceutically active compound and with (b) a second pharmaceutically active compound in dissolved form and wherein said core is loaded with said second compound in dissolved form.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.