Juxtaposed laminated arrangement
US4892778A · kind A · utility
161Cited by
7References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 27, 1987 |
| Grant date | Jan 9, 1990 |
| Priority date | — |
| Expiry date | May 27, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31978
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A dispenser is enclosed for delivering a beneficial agent to an enviroment of use. The dispenser comprising a wall that surrounds an internal space comprising a first mean in the dispenser for changing from a dispenser state to an environment of use state on leaving the dispenser, a beneficial agent in the first means, and a second means in the dispenser for aiding in displacing the first means from the dispenser.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.