Misuse-resistive transdermal opioid dosage form
US5149538A · kind A · utility
357Cited by
8References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 14, 1991 |
| Grant date | Sep 22, 1992 |
| Priority date | — |
| Expiry date | Jun 14, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB09B2101/68
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A misuse-resistive dosage form for the transdermal delivery of opioid comprises, in combination, 1) one or more opioid permeable to the skin, 2) delivery means permeable to said opioid, 3) one or more antagonist for said opioid releasable upon ingestion or solvent immersion, and 4) impermeable barrier means separating said opioid and said antagonist.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.