Last Updated: August 9, 2026

Details for Patent: 8,252,929

Name: Drug Patent Intelligence for US Patent 8252929
Creator: DrugPatentWatch
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Summary for Patent: 8,252,929

Title:	8-carboxamido-2,6-methano-3-benzazocines
Abstract:	8-Substituted-2,6-methano-3-benzazocines of general structure I in which A is —CH2—OH, —CH2NH2, —NHSO2CH3, and Y is O, S or NOH are useful as analgesics, anti-diarrheal agents, anticonvulsants, antitussives and anti-addiction medications. 8-Carboxamides, thiocarboxamides, hydroxyamidines and formamides are preferred.
Inventor(s):	Mark P. Wentland
Assignee:	Rensselaer Polytechnic Institute
Application Number:	US13/103,599
Patent Claim Types: see list of patent claims	Compound;

Drugs Protected by US Patent 8,252,929

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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
>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 8,252,929

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Austria	292625	⤷ Start Trial
Austria	391712	⤷ Start Trial
Australia	2002227135	⤷ Start Trial
Australia	2713502	⤷ Start Trial
Canada	2426942	⤷ Start Trial
Germany	60109960	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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