Grooved tablet for fractional dosing of sustained release medication
US4824677A · kind A · utility
34Cited by
3References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 18, 1986 |
| Grant date | Apr 25, 1989 |
| Priority date | — |
| Expiry date | Dec 18, 2006 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/2072
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A divisible matrix table structure with or without coating, having controlled and delayed release of the active substance, and having first and second body parts, each having top and bottom facing surfaces joined together at a perimeter of an edge means. A breakable connecting structure is provided for joining together the first and second body parts. The breakable connecting structure is formed by depressions in the top and bottom facing surfaces of the first and second body parts. Each of the depressions is directly opposite the other and have first and second score surfaces facing each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.