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US 12,751,941 B2Granted
Stable pharmaceutical compositions of edaravone and dextrocamphol
AssigneesSimcere Pharmaceutical Co., Ltd., Jiangsu Simcere Pharmaceutical Co., Ltd.
InventorsYong Qian, Xia Wang, Xi Zhu, Cuncun Liu, Feng Wang, Jinsheng Ren
Life of this patent
Estimating the term…
Abstract
A stable pharmaceutical composition contains active ingredients of edaravone and dextrocamphol can control the content of unique impurity SCR-756 and impurity SCR-757 thereof.
Claims10
A pharmaceutical composition, comprising:
- an active ingredient, 0.95-1.05 mg/ml of sodium metabisulfite, propylene glycol, and water for injection,
- wherein the active ingredient consists of 1.0-3.0 mg/ml of edaravone and 0.2-1.0 mg/ml dextrocamphol
- having a structural formula of
Dependencies are inferred from the claim text.