Controlled sustained release tablets containing bupropion
US5427798A · kind A · utility
144Cited by
20References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 12, 1993 |
| Grant date | Jun 27, 1995 |
| Priority date | — |
| Expiry date | Aug 12, 2013 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K47/20
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A controlled sustained release tablet having at least one year shelf life and containing bupropion hydrochloride, hydroxypropyl methylcellulose and cysteine hydrochloride or glycine hydrochloride with the tablet having a surface area to volume ratio to effectively control bupropion hydrochloride release in the body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.