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US 9,040,535 B2Granted
Crystalline molecular comlpexes of tadalafil
AssigneeThar Pharmaceuticals, Inc.
InventorsMazen Hanna, Ning Shan, Miranda L. Cheney, David R. Weyna
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Abstract
Crystalline molecular complexes of tadalafil are disclosed. The crystalline molecular complexes include those of tadalafil and oxalic acid, tadalafil and 4-hydroxybenzoic acid, tadalafil and 3-phenylpropanoic acid, tadalafil and malonic acid, tadalafil and methylparaben, and tadalafil and propylparaben. Pharmaceutical compositions containing the crystalline molecular complexes are also disclosed.
Claims8
A crystalline molecular complex of tadalafil comprising tadalafil and a propylparaben co-former.
Dependencies are inferred from the claim text.