Salmeterol xinafoate with controlled particle size
US5795594A · kind A · utility
63Cited by
1References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 28, 1996 |
| Grant date | Aug 18, 1998 |
| Priority date | — |
| Expiry date | Mar 28, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/54
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates to particulate products which may be prepared by methods and apparatus using supercritical fluids. More particularly, the invention relates to pharmaceutical products, in particular easily handled and easily fluidized crystalline forms of salmeterol xinafoate, with controlled particle size and shape.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.