Delivery device and method for forming the same
US8623397B2 · kind B2 · utility
2Cited by
4References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 13, 2008 |
| Grant date | Jan 7, 2014 |
| Priority date | — |
| Expiry date | Nov 25, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB33Y80/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A delivery device includes a hollow container, and a plurality of biodegradable and/or erodible polymeric layers established in the container. A layer including a predetermined substance is established between each of the plurality of polymeric layers, whereby degradation of the polymeric layer and release of the predetermined substance occur intermittently. Methods for forming the device are also disclosed herein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.