Physiologically active substance carrier
US11793757B2 · kind B2 · utility
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11Claims
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Assignee
Inventor
Key dates
| Filing date | Aug 11, 2021 |
| Grant date | Oct 24, 2023 |
| Priority date | — |
| Expiry date | Nov 9, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/12
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A porous silica particles according to an embodiment of the present disclosure includes a plurality of pores with a diameter of 5 nm to 100 nm. The porous silica particles have particular physical properties, can deliver all various drugs by a supported amount in a sustained manner, and can be parenterally administered.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.