Core particle for pharmaceutical preparation
US9149434B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 8, 2008 |
| Grant date | Oct 6, 2015 |
| Priority date | — |
| Expiry date | Sep 8, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P3/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides a core particle for a pharmaceutical preparation which features the requisite properties of a core particle, and which has enough chemical stability, and in which reactivity with the drug (an active pharmaceutical ingredient) is limited or prevented. More specifically, the present invention relates to a core particle wherein a film containing an active pharmaceutical ingredient can be formed on the surface thereof, and (1) the core particle comprises a pharmaceutically acceptable inorganic material, (2) the inorganic material is poorly soluble in water, and (3) pH of a solution of the inorganic material is 5 to 8.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.