Annual Drug Patent Expirations for WELCHOL
Welchol is a drug marketed by Daiichi Sankyo Inc and Daiichi Sankyo and is included in four NDAs. It is available from two suppliers. There are two patents protecting this drug and two Paragraph IV challenges.
This drug has sixty-one patent family members in eighteen countries.
The generic ingredient in WELCHOL is colesevelam hydrochloride. Two suppliers are listed for this compound. Additional details are available on the colesevelam hydrochloride profile page.
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