Delayed release coated tablet of bupropion hydrochloride
US6143327A · kind A · utility
41Cited by
5References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 13, 1999 |
| Grant date | Nov 7, 2000 |
| Priority date | — |
| Expiry date | Dec 13, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/2886
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention provides a delayed release coated tablet, free of stabilizer and free of pore-forming agent comprising: (i) a core consisting essentially of bupropion hydrochloride, a binder and a lubricant; and (ii) a first coating consisting essentially of a water-insoluble, water-permeable film-forming polymer, a plasticizer and a water-soluble polymer; and (iii) a second coating consisting essentially of a methacrylic polymer and a plasticizer therefor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.