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Last Updated: November 22, 2024

Details for Patent: 8,546,436

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Which drugs does patent 8,546,436 protect, and when does it expire?

Patent 8,546,436 protects DUZALLO and ZURAMPIC and is included in two NDAs.

This patent has thirty-three patent family members in twenty-eight countries.

Summary for Patent: 8,546,436

Title:	Polymorphic forms of 2-(5-bromo-4-(4-cyclopropylnaphthalen-1-yl)-4H-1,2,4-triazol-3-ylthio)ace- tic acid and uses thereof
Abstract:	Crystalline polymorph forms of 2-(5-bromo-4-(4-cyclopropyl naphthalen-1-yl)-4H-1,2,4-triazol-3-ylthio)acetic acid are described. Pharmaceutical compositions and the uses of such compounds, compound forms, and compositions for the treatment of a variety of diseases and conditions are also presented.
Inventor(s):	Treiber; Laszlo R. (San Diego, CA), Galvin; Gabriel (San Diego, CA), Zamansky; Irina (Oceanside, CA), Girardet; Jean-Luc (San Diego, CA)
Assignee:	Ardea Biosciences, Inc. (San Diego, CA)
Application Number:	13/339,283
Patent Claim Types: see list of patent claims	Compound; Use; Composition; Process;

Drugs Protected by US Patent 8,546,436

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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	Submissiondate
Ironwood Pharms Inc	DUZALLO	allopurinol; lesinurad	TABLET;ORAL	209203-001	Aug 18, 2017		DISCN	Yes	No	⤷ Sign Up	⤷ Sign Up		Y			⤷ Sign Up
Ironwood Pharms Inc	DUZALLO	allopurinol; lesinurad	TABLET;ORAL	209203-002	Aug 18, 2017		DISCN	Yes	No	⤷ Sign Up	⤷ Sign Up		Y			⤷ Sign Up
Ironwood Pharms Inc	ZURAMPIC	lesinurad	TABLET;ORAL	207988-001	Dec 22, 2015		DISCN	Yes	No	⤷ Sign Up	⤷ Sign Up	Y	Y			⤷ Sign Up
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Patented / Exclusive Use	>Submissiondate

International Family Members for US Patent 8,546,436

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Argentina	084639	⤷ Sign Up
Australia	2011352129	⤷ Sign Up
Brazil	112013016982	⤷ Sign Up
Canada	2817249	⤷ Sign Up
China	103298796	⤷ Sign Up
Cyprus	1118621	⤷ Sign Up
Denmark	2658846	⤷ Sign Up
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.