Crystalline forms of pitavastatin calcium
US8557993B2 · kind B2 · utility
1Cited by
13References
39Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 31, 2012 |
| Grant date | Oct 15, 2013 |
| Priority date | — |
| Expiry date | Oct 31, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07B2200/13
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention is directed to new crystalline forms of Pitavastatin hemicalcium salt, referred to hereinafter as polymorphic Forms A, B, C, D, E and F, as well as the amorphous form. Furthermore, the present invention is directed to processes for the preparation of these crystalline forms and the amorphous form and pharmaceutical compositions comprising these crystalline forms or the amorphous forms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.