Crystalline molecular complex of tadalafil and methylparaben
US8586587B2 · kind B2 · utility
0Cited by
7References
9Claims
0Family size
Assignee
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Key dates
| Filing date | Feb 25, 2010 |
| Grant date | Nov 19, 2013 |
| Priority date | — |
| Expiry date | Feb 25, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P43/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to novel crystalline forms of tadalafil suitable for pharmaceutical compositions in drug delivery systems for humans. More particularly, the invention relates to crystalline molecular complexes of tadalafil and methylparaben.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.