Crystal structure
US6875449B1 · kind B1 · utility
10Cited by
8References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 24, 1999 |
| Grant date | Apr 5, 2005 |
| Priority date | — |
| Expiry date | Mar 24, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07H3/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A process for the production of crystals with controlled surface smoothness, size, shape and degree of crystallinity, compositions comprising such crystals, and the use of certain crystals, especially lactose, lactose monohydrate, fluticasone propionate, salmeterol xinafoate, salbutamol sulphate or ipratropium bromide in pharmaceutical compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.