Method of making composite particles for use in pharmaceutical compositions and composite particles and compositions thereof
US8956661B2 · kind B2 · utility
5Cited by
35References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 20, 2012 |
| Grant date | Feb 17, 2015 |
| Priority date | — |
| Expiry date | Sep 20, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P11/06
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to a method for making composite active particles for use in a pharmaceutical composition for pulmonary administration, the method comprising a milling step in which particles of active material are milled in the presence of particles of an additive material which is suitable for the promotion of the dispersal of the composite active particles upon actuation of an inhaler. The invention also relates to compositions for inhalation prepared by the method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.