Pharmaceutical salt forms of Cepharanthine and Tetrandrine
US10576077B2 · kind B2 · utility
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6Claims
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Key dates
| Filing date | Mar 19, 2018 |
| Grant date | Mar 3, 2020 |
| Priority date | — |
| Expiry date | Mar 19, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/1682
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present disclosure relates to the preparation of polymorphic mixtures of Cepharanthine.2HCl. Mixtures of at least two polymorphic forms can be formed into a mobile liquid phase in organic/aqueous solvent mixtures along with enteric polymer that can be spray dried to produce solid particulate enteric formulations for medicinal drug-treatment applications.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.