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Inventors

Robert Chapman Lonn S. Rider Qi Hong Donald Kyle Robert Kupper

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PURDUE PHARMA L.P.

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PURDUE PHARMA L.P., Assignor PURDUE PHARMA L.P., Assignor PURDUE PHARMA L.P., Assignor PURDUE PHARMA L.P., Assignor

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8A,14-DIHYDROXY-7,8-DIHYDROCODEINONE

12/711,948 | U.S. Patent Application

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Location ELECTRONIC

Filed Feb. 24, 2010

Examiner CHARANJIT AULAKH

Class 546

Art Group 1625

Patent No. 8,822,687

Case Type Utility - 546/045000

Status Patented Case

Parent 11/729,741 Patented

Parent 11/391,897 Pending

Parent 11/93,626 Patented

Parent 60/557,492 Expired

Parent 60/601,534 Expired

Parent 60/620,072 Expired

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Last Updated: 4 years, 6 months ago

Date	#	Transaction
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8A,14-DIHYDROXY-7,8-DIHYDROCODEINONE

12/711,948 | U.S. Patent Application

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