Crystalline forms of tigecycline hydrochloride
US8252946B2 · kind B2 · utility
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1References
33Claims
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Assignee
Inventors
Key dates
| Filing date | Nov 12, 2008 |
| Grant date | Aug 28, 2012 |
| Priority date | — |
| Expiry date | Feb 25, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2603/46
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to crystalline forms A and B of Tigecycline hydrochloride and to methods for the preparation of the same. Furthermore the present invention relates to the use of crystalline forms A and B of Tigecycline hydrochloride as intermediates for the formulation of an anti-infective medicament. Moreover the present invention relates to pharmaceutical compositions comprising crystalline form A of Tigecycline hydrochloride in an effective amount and to the use of crystalline form A of Tigecycline hydrochloride as anti-infective medicament.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.