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US Patent 8834925 Tamper resistant dosage forms

Patent 8834925 was granted and assigned to Purdue Pharma on September, 2014 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Patent Applicant

Purdue Pharma

Current Assignee

Purdue Pharma

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

88349250

Patent Inventor Names

Haiyong H. Huang0

Richard O. Mannion0

William H. McKenna0

Edward P. O'Donnell0

Date of Patent

September 16, 2014

Patent Application Number

139011220

Date Filed

May 23, 2013

Patent Citations Received

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US Patent 11826472 Tamper resistant dosage forms

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US Patent 11964056 Tamper resistant dosage forms

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US Patent 11938225 Tamper resistant dosage forms

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US Patent 11904055 Tamper resistant dosage forms

Patent Primary Examiner

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Ernst V Arnold

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