Controlled release formulation

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5591452
SERIAL NO

08241129

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Abstract

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A controlled release preparation for oral administration contains tramadol, or a pharmaceutically acceptable salt thereof, as active ingredient.

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Patent Owner(s)

Patent OwnerAddress
PURDUE PHARMA PRODUCTS L P201 TRESSER BOULEVARD ONE STAMFORD FORUM STAMFORD CT 06901
NAPP PHARMACEUTICAL GROUP LIMITEDCAMBRIDGE SCIENCE PARK MILTON ROAD CAMBRIDGE CB4 0AB

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hahn, Udo Nentershausen, DE 13 833
Leslie, Stewart T Cambridge, GB2 24 2940
Malkowska, Sandra T A Cambridgeshire, GB2 17 2392
Miller, Ronald B Basel, CH 17 2210
Prater, Derek A Cambridge, GB2 15 622
Smith, Kevin J Cambridge, GB2 31 808
Wimmer, Walter Limburg, DE 13 852
Winkler, Horst Linter, DE 9 663

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