Particulate materials
US7582284B2 · kind B2 · utility
6Cited by
174References
62Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 14, 2003 |
| Grant date | Sep 1, 2009 |
| Priority date | — |
| Expiry date | Oct 13, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/0043
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to active substances in particulate form, to methods for preparing them, to formulations containing them and to uses of such substances and formulations. A preferred embodiment is directed to particulate suspensions having improved flocculation behavior in a suspension vehicle, such as a hydrofluoroalkane propellant used in metered dose inhalers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.