Medical devices containing copolymers with graft copolymer endblocks for drug delivery
US7771740B2 · kind B2 · utility
11Cited by
9References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 19, 2004 |
| Grant date | Aug 10, 2010 |
| Priority date | — |
| Expiry date | May 18, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2300/602
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention provides a medical device comprising a release region and a therapeutic agent disposed within or beneath the release region, and the release region includes a copolymer comprising a low Tg block and at least one graft copolymer endblock having a main chain and a plurality of side chains.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.