Low temperature process for preparing silicon oxide coated pharmaceuticals
US12064522B2 · kind B2 · utility
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10References
32Claims
0Family size
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Key dates
| Filing date | Oct 1, 2021 |
| Grant date | Aug 20, 2024 |
| Priority date | — |
| Expiry date | Oct 13, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/501
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A method of preparing a pharmaceutical composition having a drug-containing core enclosed by one or more silicon oxide materials is provided. The method entails alternating exposing the particles to gaseous or vaporous SiCl4 and gaseous or vaporous H2O at a reduced temperature and in the absence of a catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.