Preserving functionally-coated API particles produced by solventless mixing processes in aqueous suspension
US11185508B2 · kind B2 · utility
5Cited by
10References
15Claims
0Family size
Assignee
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Key dates
| Filing date | Feb 21, 2020 |
| Grant date | Nov 30, 2021 |
| Priority date | — |
| Expiry date | Feb 21, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K47/44
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Provided are pharmaceutical compositions and methods for preparing pharmaceutical compositions that preserve the coating of coated API particles in a pharmaceutical suspension. Pharmaceutical compositions include coated active pharmaceutical ingredient (API) particles comprising: an API particle; a first coating comprising one or more deformed components coating the API particle; a second coating comprising silica surrounding and/or partially or fully embedded into the first coating, a matrix former, and a structure former.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.