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Generated: December 16, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,336,691

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Summary for Patent: 5,336,691

Title: Composition comprising a tramadol material and acetaminophen and its use
Abstract:This invention relates to a composition comprising a tramadol material and acetaminophen, and its use. As used herein tramadol refers to various forms of tramadol. The compositions are pharmacologically useful in treating pain and tussive conditions. The compositions are also subject to less opioid side-effects such as abuse liability, tolerance, constipation and respiratory depression. Furthermore, where the components of the compositions are within certain ratios the pharmacological effects of the compositions are superadditive (synergistic).
Inventor(s): Raffa; Robert B. (Norristown, PA), Vaught; Jeffrey L. (Perkosie, PA)
Assignee: McNeilab, Inc. (Spring House, PA)
Application Number:07/974,865
Patent Claim Types:
see list of patent claims
Composition; Compound; Use;

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International Patent Family for Patent: 5,336,691

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office0566709► Subscribe91079Luxembourg► Subscribe
European Patent Office0566709► SubscribeSPC/GB04/012United Kingdom► Subscribe
European Patent Office0566709► Subscribe300152Netherlands► Subscribe
European Patent Office0566709► SubscribeSPC023/2008Ireland► Subscribe
European Patent Office0566709► SubscribeC300152Netherlands► Subscribe
China1071571► Subscribe
Germany69226624► Subscribe
Germany122004000032► Subscribe
Denmark0566709► Subscribe
China1086133► Subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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Serving leading biopharmaceutical companies globally:

Harvard Business School
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