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Last Updated: December 14, 2025

US Patents With Foreign Priority to Patent: 04016519

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use
Chattem Sanofi	XYZAL ALLERGY 24HR	levocetirizine dihydrochloride	SOLUTION;ORAL	209090-001	Jan 31, 2017		OTC	Yes	Yes	⤷ Get Started Free	⤷ Get Started Free	Y
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Patented / Exclusive Use

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