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Last Updated: December 7, 2022

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

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Kvk Tech Inc APADAZ acetaminophen; benzhydrocodone hydrochloride TABLET;ORAL 208653-002 Jan 4, 2019 RX Yes No See Plans and Pricing See Plans and Pricing Y Y See Plans and Pricing
Kvk Tech Inc APADAZ acetaminophen; benzhydrocodone hydrochloride TABLET;ORAL 208653-001 Feb 23, 2018 RX Yes No See Plans and Pricing See Plans and Pricing Y Y See Plans and Pricing
Kvk Tech Inc APADAZ acetaminophen; benzhydrocodone hydrochloride TABLET;ORAL 208653-003 Jan 4, 2019 RX Yes Yes See Plans and Pricing See Plans and Pricing Y Y See Plans and Pricing
>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

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2010266205 See Plans and Pricing
Brazil 112012000569 See Plans and Pricing
Canada 2766388 See Plans and Pricing
Chile 2011003347 See Plans and Pricing
China 102480959 See Plans and Pricing
Colombia 6480991 See Plans and Pricing
Costa Rica 20110688 See Plans and Pricing
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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Serving leading biopharmaceutical companies globally:

Merck
Colorcon
Medtronic
Boehringer Ingelheim
Mallinckrodt
Dow

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.