Method of making particles for use in a pharmaceutical composition
US10973771B2 · kind B2 · utility
0Cited by
47References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 13, 2017 |
| Grant date | Apr 13, 2021 |
| Priority date | — |
| Expiry date | Mar 13, 2037 |
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.