Degradable polymers incorporating gamma-butyrolactone
US7897168B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 13, 2007 |
| Grant date | Mar 1, 2011 |
| Priority date | — |
| Expiry date | Mar 1, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2300/432
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Disclosed herein are implantable medical devices having controlled release biodegradable polymer coatings thereon wherein the polymer is formed from ring opening of γ-butyrolactone and at least one additional monomer selected from the group consisting of trimethylene carbonate, lactide, polyethylene glycol, glycolide, the monomers formed from ring opening of ε-caprolactone, 4-tert-butyl caprolactone, and N-acetyl caprolactone, and combinations thereof, and at least one drug releasable from the biodegradable polymer. Also disclosed are implantable medical devices form of the biodegradable polymers and processes for forming the polymers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.