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US Patent 8894988 Tamper resistant dosage forms
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Is a
Patent
Date Filed
May 23, 2013
Date of Patent
November 25, 2014
Patent Applicant
Purdue Pharma
Patent Application Number
13900963
Patent Citations Received
US Patent 11964056 Tamper resistant dosage forms
0
US Patent 11826472 Tamper resistant dosage forms
0
US Patent 11904055 Tamper resistant dosage forms
0
US Patent 11938225 Tamper resistant dosage forms
0
Patent Jurisdiction
United States Patent and Trademark Office
Patent Number
8894988
Patent Primary Examiner
Ernst V Arnold
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