Dry powder formulations
US8246935B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 27, 2011 |
| Grant date | Aug 21, 2012 |
| Priority date | — |
| Expiry date | Oct 27, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P29/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A dry powder suitable for inhalation n a dry powder inhaler, the powder comprising a carrier, an active agent and at least 0.5% by weight of magnesium stearate, the powder being further characterized in that the less than 10% of the surface of the carrier material is covered with particles of magnesium stearate. The invention is also directed to a method of making dry powders by blending together the ingredients mentioned in a diffusion blender for a period of time that is less than 60 minutes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.