Controlled release tablet having a unitary core
US6284275A · kind A · utility
25Cited by
57References
39Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 9, 2000 |
| Grant date | Sep 4, 2001 |
| Priority date | — |
| Expiry date | Jun 9, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P3/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A controlled release pharmaceutical tablet containing antihyperglycemic drug and a hypoglycemic drug that does not contain an expanding or gelling polymer layer and comprising a core containing the antihyperglycemic drug and the hypoglycemic drug, a semipermeable coating membrane surrounding the core and at least one passageway in the membrane to allow the drugs to be released from the core.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.