Pharmaceutical compositions and methods for producing low impurity concentrations of the same
US11058672B2 · kind B2 · utility
0Cited by
8References
11Claims
0Family size
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Key dates
| Filing date | Nov 21, 2018 |
| Grant date | Jul 13, 2021 |
| Priority date | — |
| Expiry date | Nov 21, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N30/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A composition having clevidipine as an active ingredient is described. The composition includes clevidipine as an active ingredient and an amount of the impurity H168/79 that is no greater than about 1.5%, or where the ratio between clevidipine and H168/79 is equal or above 60 to 1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.