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Inventors

William H. McKenna Richard O. Mannion Edward P. O'Donnell Haiyong H. Huang

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PURDUE PHARMA L.P.PURDUE PHARMACEUTICALS L.P.

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PURDUE PHARMA L.P., Assignor

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TAMPER RESISTANT DOSAGE FORMS

11/844,872 | U.S. Patent Application

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Location ELECTRONIC

Filed Aug. 24, 2007

Examiner KAUSER M AKHOON

Class 424

Art Group 1613

Patent No. 8,894,987

Case Type Utility - 424/078290

Status Patented Case

Parent 60/840,244 Expired

Child 13/803,132 Abandoned

Child 13/900,873 Patented

Child 13/900,933 Abandoned

Child 13/900,963 Patented

Child 13/901,027 Abandoned

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Last Updated: 4 years, 2 months ago

Date	#	Transaction
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11/844,872 | U.S. Patent Application

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