Slow release pharmaceutical compositions
US3965256A · kind A · utility
209Cited by
8References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 5, 1974 |
| Grant date | Jun 22, 1976 |
| Priority date | — |
| Expiry date | Jun 5, 1994 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/2013
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Slow release pharmaceutical compositions comprising a combination of a higher aliphatic alcohol and a hydrated hydroxy-alkyl cellulose in ratio of from 2:1 to 4:1 parts by weight and comprising from 20 to 40 percent by weight of the composition; the method for making the same, and their inclusion in pharmaceutical dosage forms intended for oral administration, to provide a slow release of a therapeutically active compound during a predetermined period of time of from 5 to 10 hours, after oral ingestion by humans and animals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.