Drug delivery device employing wicking release window
US9937335B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 6, 2012 |
| Grant date | Apr 10, 2018 |
| Priority date | — |
| Expiry date | Mar 12, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A50/30
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides for a drug delivery device. The device can comprise at least one core with a first active pharmaceutical ingredient (API), coated with a first layer that is permeable or semi-permeable to the API, coated with a second layer that is impermeable to the API, and having a delivery window to allow passage of the API through the device and into body fluids or tissues. The device can also have a wicking material to modify the rate of transport of the API into the body fluid or tissues.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.