Annual Drug Patent Expirations for RYZOLT
Ryzolt is a drug marketed by Purdue Pharma and is included in one NDA. There is one patent protecting this drug and one Paragraph IV challenge.
This drug has fifty-two patent family members in twenty-six countries.
The generic ingredient in RYZOLT is tramadol hydrochloride. Additional details are available on the tramadol hydrochloride profile page.
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