Crystalline forms of venlafaxine hydrochloride
US6906087B2 · kind B2 · utility
1Cited by
1References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 23, 2001 |
| Grant date | Jun 14, 2005 |
| Priority date | — |
| Expiry date | Oct 23, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C217/74
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Crystalline forms of Venlafaxine hydrochloride were found, referred to hereinafter as polymorphic Forms A, B and D. Furthermore, the present invention is directed to processes for the preparation of these crystalline forms and pharmaceutical compositions comprising the crystalline forms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.