Stabilized 1, 25-dihydroxyvitamin D2 and method of making same
US11926583B2 · kind B2 · utility
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13References
19Claims
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Key dates
| Filing date | Jan 2, 2014 |
| Grant date | Mar 12, 2024 |
| Priority date | — |
| Expiry date | Dec 2, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P3/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A stabilized 1,25-dihydroxyvitamin D2 composition which is particularly well suited for pharmaceutical formulations, pharmaceutical formulations of the 1,25-dihydroxyvitamin D2 composition, and a method of making the purified composition by purifying a crude 1,25-dihydroxyvitamin D2 from acetone/water, are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.