Polymorphs of acyl sulfonamides
US8063103B2 · kind B2 · utility
1Cited by
2References
14Claims
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Key dates
| Filing date | Sep 9, 2009 |
| Grant date | Nov 22, 2011 |
| Priority date | — |
| Expiry date | Feb 20, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07B2200/13
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The application discloses novel polymorphic crystalline forms of 2-[4-Bromo-3-(3-chloro-5-cyano-phenoxy)-2-fluoro-phenyl]-N-(2-chloro-4-propionylsulfamoyl-phenyl)-acetamide, sodium salt (Ib)with improved stability and physical properties which facilitate manufacturing, handling and formulating for treatment or prophylaxis of HIV mediated diseases, AIDS or ARC, in monotherapy or in combination therapy.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.