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Last Updated: November 22, 2024

Details for Patent: 8,461,137

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Which drugs does patent 8,461,137 protect, and when does it expire?

Patent 8,461,137 protects APADAZ and is included in one NDA.

This patent has thirty-five patent family members in twenty countries.

Summary for Patent: 8,461,137

Title:	Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and use thereof
Abstract:	The presently described technology provides compositions comprising aryl carboxylic acids chemically conjugated to hydrocodone (morphinan-6-one, 4,5-alpha-epoxy-3-methoxy-17-methyl) to form novel prodrugs/compositions of hydrocodone, including benzoates and heteroaryl carboxylic acids, which have a decreased potential for abuse of hydrocodone. The present technology also provides methods of treating patients, pharmaceutical kits and methods of synthesizing conjugates of the present technology.
Inventor(s):	Mickle; Travis (Coralville, IA), Guenther; Sven (Coralville, IA), Mickle; Christal (Coralville, IA), Chi; Guochen (North Liberty, IA), Kanski; Jaroslaw (Blacksburg, VA), Martin; Andrea K. (Fincastle, VA), Bera; Bindu (Blacksburg, VA)
Assignee:	KemPharm, Inc. (North Liberty, IA)
Application Number:	12/828,381
Patent Claim Types: see list of patent claims	Composition; Formulation; Compound; Dosage form;

Drugs Protected by US Patent 8,461,137

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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
Zevra Therap	APADAZ	acetaminophen; benzhydrocodone hydrochloride	TABLET;ORAL	208653-002	Jan 4, 2019		DISCN	Yes	No	⤷ Sign Up	⤷ Sign Up	Y	Y			⤷ Sign Up
Zevra Therap	APADAZ	acetaminophen; benzhydrocodone hydrochloride	TABLET;ORAL	208653-001	Feb 23, 2018		DISCN	Yes	No	⤷ Sign Up	⤷ Sign Up	Y	Y			⤷ Sign Up
Zevra Therap	APADAZ	acetaminophen; benzhydrocodone hydrochloride	TABLET;ORAL	208653-003	Jan 4, 2019		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 8,461,137

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Australia	2010266205	⤷ Sign Up
Brazil	112012000569	⤷ Sign Up
Canada	2766388	⤷ Sign Up
Chile	2011003347	⤷ Sign Up
China	102480959	⤷ Sign Up
Colombia	6480991	⤷ Sign Up
Costa Rica	20110688	⤷ 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.