Pharmaceutical compositions containing cardiac glycoside
Patent 4067960 Issued on January 10, 1978. Estimated Expiration Date: 
January 10, 1995. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
January 10, 1995. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2298122 2990333 3472931 InventorAssigneeApplicationNo. 05/746599 filed on 12/01/1976US Classes:424/455, Containing emulsions, dispersions, or solutions424/456, Gelatin514/26Cyclopentanohydrophenanthrene ring systemExaminersPrimary: Rosen, SamAttorney, Agent or FirmInternational ClassA61K 9/48 (20060101)AbstractA cardiotonic dosage unit form comprises a soft gelatine capsule containing a liquid cardiotonic composition comprising (a) a cardiac glycoside, preferably digitoxin or digoxin; (b) dimethyl formamide or dimethyl acetamide; and (c) a liquid polyethylene glycol and also, optionally, (d) propylene glycol or glycerin.The weight ratio of dimethyl acetamide or dimethyl formamide to cardiac glyceride is preferably at least 5:1 and the polyethylene glycol preferably forms at least 75% by weight of the total composition contained in the gelatine capsule.Other References
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