Pharmaceutical oral patch for controlled release of pharmaceutical agents in the oral cavity
US6197331A · kind A · utility
141Cited by
35References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 24, 1997 |
| Grant date | Mar 6, 2001 |
| Priority date | — |
| Expiry date | Jul 24, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/0063
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention is directed to a controlled-release solid composition for the oral cavity or "pharmaceutical oral patch" that adheres to hard dental surfaces, such as teeth and dentures, and releases an active pharmaceutical agent into the oral cavity. Release of the agent is for a predetermined period of time and at a predetermined sustained concentration. The site of action of the agent is local or systemic.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.