Amorphous and crystalline forms of losartan potassium and process for their preparation
US7332612B2 · kind B2 · utility
8Cited by
11References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 13, 2002 |
| Grant date | Feb 19, 2008 |
| Priority date | — |
| Expiry date | Nov 13, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P9/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
This invention relates to novel amorphous losartan potassium, novel losartan potassium in a crystalline form that is a hydrate, novel crystalline losartan potassium Form IV and solvates thereof, novel crystalline losartan potassium Form V and solvates thereof, to processes for their preparation, to compositions containing them and to their use in medicine. This invention further relates to a novel process for preparing crystalline losartan potassium Form I and Form II.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.