Drug delivery device especially for the delivery of progestins and estrogens
US6063395A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 12, 1998 |
| Grant date | May 16, 2000 |
| Priority date | — |
| Expiry date | Nov 12, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/0036
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to a delivery device for the controlled release of a therapeutically active agent, especially a progestin or an estrogen, over a prolonged period of time, said device including a core which contains the therapeutically active agent, and a membrane encasing the core wherein said membrane is made of an elastomer. According to the invention, the elastomer is a siloxane-based elastomer which includes 3,3,3-trifluoropropyl groups attached to the Si-atoms of the siloxane units.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.