Controlled release naproxen sodium plus naproxen combination tablet
US5609884A · kind A · utility
8Cited by
11References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 31, 1992 |
| Grant date | Mar 11, 1997 |
| Priority date | — |
| Expiry date | Aug 31, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P29/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to controlled release dosage forms composed of a naproxen layer which contains a delayed release granulate of naproxen compressed with an immediate release granulate of naproxen and an immediate release naproxen sodium layer compressed with the naproxen layer, designed to promptly exert a therapeutic effect while also maintaining the therapeutic blood concentration for a prolonged duration of 24 hours.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.