Pharmaceutical preparation and method of its production and use
US10226425B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 4, 2014 |
| Grant date | Mar 12, 2019 |
| Priority date | — |
| Expiry date | Nov 4, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2430/34
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Thus, the present invention provides a composition in powder form comprising highly dispersed silica particles, polymethylsiloxane particles, and at one or both of a cationic surfactant and an antimicrobial substance, wherein at least 25% by weight of the cationic surfactant is present in primary polymethylsiloxane particles carrying the cationic surfactant on their surface and/or in agglomerates of these primary particles, and/or at least 25% by weight, of the antimicrobial substance is present in primary highly dispersed silica particles carrying the antimicrobial substance on their surface and/or in agglomerates of these primary particles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.