Process for making chemically stable C-17/21 OH 20-ketosteroid aerosol products
US6610273B2 · kind B2 · utility
13Cited by
10References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 4, 2001 |
| Grant date | Aug 26, 2003 |
| Priority date | — |
| Expiry date | Oct 4, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D83/52
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A medicinal aerosol steroid solution formulation product with enhanced chemical stability. The steroid is a 20-ketosteroid having an OH group at the C-17 or C-21 position and the aerosol container has a non-metal interior surface which has been found to reduce chemical degradation of such steroids.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.