ZYFLO CR Drug Patent Profile

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When do Zyflo Cr patents expire, and what generic alternatives are available?

Zyflo Cr is a drug marketed by Chiesi and is included in one NDA.

The generic ingredient in ZYFLO CR is zileuton. There are eight drug master file entries for this compound. Six suppliers are listed for this compound. Additional details are available on the zileuton profile page.

DrugPatentWatch^® Litigation and Generic Entry Outlook for Zyflo Cr

A generic version of ZYFLO CR was approved as zileuton by RISING on March 17^th, 2017.

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Summary for ZYFLO CR

US Patents:	0
Applicants:	1
NDAs:	1
Raw Ingredient (Bulk) Api Vendors:	130
Drug Prices:	Drug price information for ZYFLO CR
DailyMed Link:	ZYFLO CR at DailyMed

Drug patent expirations by year for ZYFLO CR

US Patents and Regulatory Information for ZYFLO CR

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Glossary

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Chiesi	ZYFLO CR	zileuton	TABLET, EXTENDED RELEASE;ORAL	022052-001	May 30, 2007		DISCN	Yes	No	⤷ Sign Up	⤷ Sign Up				⤷ Sign Up
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Exclusivity Expiration

Expired US Patents for ZYFLO CR

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	Patent No.	Patent Expiration
Chiesi	ZYFLO CR	zileuton	TABLET, EXTENDED RELEASE;ORAL	022052-001	May 30, 2007	⤷ Sign Up	⤷ Sign Up
Chiesi	ZYFLO CR	zileuton	TABLET, EXTENDED RELEASE;ORAL	022052-001	May 30, 2007	⤷ Sign Up	⤷ Sign Up
Chiesi	ZYFLO CR	zileuton	TABLET, EXTENDED RELEASE;ORAL	022052-001	May 30, 2007	⤷ Sign Up	⤷ Sign Up
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>Patent No.	>Patent Expiration

International Patents for ZYFLO CR

See the table below for patents covering ZYFLO CR around the world.

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Country	Patent Number	Title	Estimated Expiration
Spain	2085316		⤷ Sign Up
Austria	135906		⤷ Sign Up
Japan	H08501544		⤷ Sign Up
Greece	3020404		⤷ Sign Up
Japan	H0569822		⤷ Sign Up
Japan	H03148272	LIPOXYGENASE CONTROL COMPOUND	⤷ Sign Up
Japan	2923014		⤷ Sign Up
>Country	>Patent Number	>Title	>Estimated Expiration

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Summary for ZYFLO CR

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