Controlled release tramadol formulations

United States of America Patent

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May 14, 2008
filing date
May 10, 1993

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Abandoned

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Abstract

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 Owner	Address
PURDUE PHARMA PRODUCTS L P	STAMFORD CT

International Classification(s)

A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....

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[Patents Count]

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Inventor Name	Address	# of filed Patents	Total Citations
Antoinette, Sandra Therese	Cambridge , GB	1	34
Brown, Miller Ronald	Basic , CH	2	113
Hahn, Udo	Nentersflausen , DE	13	833
Leslie, Stewart Thomas	Cambridge , GB	21	2611
Prater, Derek Allan	Cambridge , GB	33	2806
Smith, Kevin John	Cambridge , GB	16	919
Wimmer, Walter	Limburg , DE	13	852
Winkler, Horst	Linter , DE	9	663

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Controlled release tramadol formulations

Number of patents in Portfolio can not be more than 2000

United States of America Patent

12152474

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12152474

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