Process for obtaining steroidal phosphate compounds
US8445471B2 · kind B2 · utility
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30Claims
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Key dates
| Filing date | May 16, 2008 |
| Grant date | May 21, 2013 |
| Priority date | — |
| Expiry date | Sep 20, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P29/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A process for obtaining 21-disodium phosphate pregnane derivative compounds of formula (I), wherein X═R═H or X═F and R=α-CH3 or X═F and R=β-CH3: comprises spray drying a solution comprising compound of formula (I).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.