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(11)    Patent No :    AP 2355   
(21)    Application No :    AP/P/2009/004770   
(22)    Filing Date :    24.08.2007   
(24)    Date of Grant &    26.01.2012   
           
(45)    Publication :

(30)  Priority Data       
(33) Country    (31) Number    (32) Date
US    60/840,244    25.08.2006
(84)    Designated State

BW    GM    GH    KE    LS    MW  MZ   NA   SL
SD    SZ    T Z    UG    ZM    ZW
(73) Applicant(s)

PURDUE PHARMA L.P., One Stamford Forum, 201 Tresser Boulevard, Stamford, CT 06901,
United States of America
(72) Inventors

MANNION Richard, Owen, United States of

O'DONNELL Edward Patrick, United States of

America

McKENNA William Henry, United States of America

et al

(74) Representative

COGHLAN, WELSH & GUEST

ZIMBABWE
 

(51)  International  Classification   A61K 31/485 (2006.01)    A61K 9/22 (2006.01)
A61K 5/32 (2006.01)   


(54)    Title

Tamper resistant oral pharmaceutical dosage forms comprising an opioid analgesic

(57)    Abstract

The present invention relates to pharmaceutical dosage forms, for example to a tamper resistant dosage form including an opioid analgesic, and processes of manufacture, uses, and methods of treatment thereof.

(56)    Documents Cited :    WO 2005102286    WO 03024430    WO 2005016313    US 2005/031546    EP 1 899 789

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