Methods for making polymorphs of bromfenac sodium and bromfenac sodium formulations
US9914697B2 · kind B2 · utility
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Key dates
| Filing date | Jun 12, 2015 |
| Grant date | Mar 13, 2018 |
| Priority date | — |
| Expiry date | Jun 12, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07B2200/13
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Different polymorphs of bromfenac sodium may be prepared and interconverted using crystallization/recrystallization, drying and/or hydration techniques.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.