Purification of rosuvatatin intermediate by thin film evaporation and chemical method
US7884226B2 · kind B2 · utility
0Cited by
8References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 14, 2008 |
| Grant date | Feb 8, 2011 |
| Priority date | — |
| Expiry date | Mar 16, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07B2200/07
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Provided are processes for the purification of a pure rosuvastatin intermediate by thin film evaporation and chemical method, and conversion of the intermediate to rosuvastatin or salts thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.