Osmotic device with high drug loading and delayed activation of drug delivery
US5817335A · kind A · utility
4Cited by
26References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 26, 1995 |
| Grant date | Oct 6, 1998 |
| Priority date | — |
| Expiry date | May 26, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/0004
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention is directed to a fluid-imbibing drug delivery device which is useful for the initial delayed delivery of an active agent formulation to a fluid environment of use, the initial delay period to startup or activation being of a predetermined length of time. The dispensing device is formed of a first and second housing that are in reversibly sliding telescoping arrangement with each other. The first housing contains the active agent formulation and has an aspect ratio less than 1. The housings are preferably. ovoloid in shape.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.