Hydrophilic/lipophilic polymeric matrix dosage formulation
US8460706B2 · kind B2 · utility
8Cited by
37References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 7, 2011 |
| Grant date | Jun 11, 2013 |
| Priority date | — |
| Expiry date | Feb 7, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P39/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An oral dosage form comprising a pharmaceutical tablet of one or more layers, one of which carries a biologically active substance; the formulation of said tablet includes different percentages of hydrophilic and lipophilic polymeric materials, and adjuvant substances. The tablets of the present invention show a release rate which is independent from the amounts of active substance present in the tablet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.