Extended release form of diltiazem
US5288505A · kind A · utility
40Cited by
23References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 26, 1991 |
| Grant date | Feb 22, 1994 |
| Priority date | — |
| Expiry date | Jun 26, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K31/55
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An extended-release galenical form of Diltiazem or a pharmaceutically acceptable salt thereof, which comprises beads containing said Diltiazem or a pharmaceutically acceptable salt thereof as an active ingredient and a wetting agent, said beads being coated with a microporous membrane comprising at least a water-soluble or water-dispersible polymer or copolymer and a pharmaceutically acceptable adjuvant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.