Otorhinological delivery device
US7294345B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 14, 2004 |
| Grant date | Nov 13, 2007 |
| Priority date | — |
| Expiry date | Jul 12, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P37/08
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to an otorhinological delivery device comprising at least one pharmaceutically active agent. According to the invention the device comprises a core comprising said at least one pharmaceutically active agent wherein said core is made of an elastomer composition selected from the group consisting of poly(dimethylsiloxane), a siloxane-based elastomer comprising 3,3,3-trifluoropropyl groups attached to the Siatoms of the siloxane units, a siloxane-based elastomer comprising poly(alkylene oxide) groups and mixtures thereof, and a membrane encasing said core, said membrane being made of a same or a different elastomer composition than said core, said elastomer composition being selected from the group consisting of poly(dimethylsiloxane), a siloxane-based elastomer comprising 3,3,3-trifluoropropyl groups attached to the Siatoms of the siloxane units, a siloxane-based elastomer comprising poly(alkylene oxide) groups and mixtures thereof. The invention is characterized in that the pharmaceutically active agent is selected from the group comprising anti-allergic agents, anti-inflammatory agents, anti-fungicides, glucocorticoids and mixtures thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.