Crude and crystalline forms of lercanidipine hydrochloride
US6852737B2 · kind B2 · utility
4Cited by
19References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 6, 2002 |
| Grant date | Feb 8, 2005 |
| Priority date | — |
| Expiry date | Dec 12, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D211/90
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention describes novel lercanidipine crude Forms (A) and (B), novel lercanidipine hydrochloride crystalline Forms (I) and (II) obtained from said crude Forms, pharmaceutical, antihypertensive compositions containing as active agent at least one of the lercanidipine hydrochloride crystalline Forms (I) and (II) and methods of use thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.