Oral sustained release drug delivery device
US5512293A · kind A · utility
73Cited by
12References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 9, 1993 |
| Grant date | Apr 30, 1996 |
| Priority date | — |
| Expiry date | Dec 9, 2013 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/2027
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
This invention pertains to a sustained release delivery device for delivering a beneficial agent into the oral cavity of a patient. More particularly, the invention relates to a device comprising about 0.1% to about 20% by weight beneficial agent, about 40% to about 95% by weight ethylene vinyl acetate copolymer having a vinyl acetate content of about 4% to about 80% and about 1% to about 60% by weight polyvinyl pyrrolidone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.