Patent · US Active

Process for obtaining steroidal phosphate compounds

US8445471B2 · kind B2 · utility

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30Claims
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Key dates

Filing dateMay 16, 2008
Grant dateMay 21, 2013
Priority date
Expiry dateSep 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.