Tablet composition and method for problem pharmaceutical materials using citric acid
US5137730A · kind A · utility
13Cited by
3References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 28, 1991 |
| Grant date | Aug 11, 1992 |
| Priority date | — |
| Expiry date | May 28, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/2077
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
In accordance with the present invention an improved tablet composition for drugs or active ingredients prone to poor tabletting properties is disclosed. The improved composition comprises a premixture, consisting essentially of between about 85 and 99.9 percent by weight of the active ingredient and between about 0.1 and 15 percent by weight of citric acid, and one or more other formulation ingredients added to premixture. The present invention also involves the process for making such compositions and products therefrom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.