Tablets comprising a biologically active substance and an excipient containing calcium carbonate
US7892576B2 · kind B2 · utility
0Cited by
5References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 13, 2006 |
| Grant date | Feb 22, 2011 |
| Priority date | — |
| Expiry date | Aug 18, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/2077
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Tablet comprising at least one biologically active substance and an excipient, in which the excipient contains calcium carbonate and at least one additive selected from fatty acids, their salts, their esters, lipid materials, polysaccharides, polyvinylpyrrolidone and polyvinylpyrrolidone derivatives, acrylic compounds, mono-, di- or triglyceride esters, animal proteins, and mixtures of at least two of these. Method for producing these tablets. Use of calcium carbonate in tablets containing at least one biologically active substance, for the prolonged release of this substance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.