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Last Updated: February 25, 2021

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Details for Patent: 5,626,874

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Summary for Patent: 5,626,874
Title: Controlled release pharmaceutical tablet having lenticular form
Abstract:Controlled release pharmaceutical tablet having a lenticular form consisting of three layers of which the central one or core (a) contains the active principle and the two outer layers or barriers (b) and (c) comprise gellable and/or erodible polymeric material, said barrier layers being equal or different among themselves for composition and/or thickness, while the central layer has a limited external annular surface exposed to the dissolution medium, through which the active principle is released.
Inventor(s): Conte; Ubaldo (Busto-Arsizio, IT), La Manna; Aldo (Pavia, IT), Maggi; Lauretta (Pavia, IT)
Assignee: Ekita Investments N.V. (Curacao, AN)
Application Number:08/352,072
Patent Claim Types:
see list of patent claims
Dosage form; Composition;

Drugs Protected by US Patent 5,626,874

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

Foreign Priority and PCT Information for Patent: 5,626,874

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
ItalyMI93A2519Nov 30, 1993

International Family Members for US Patent 5,626,874

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 207740   Start Trial
Canada 2137017   Start Trial
Germany 69428862   Start Trial
Denmark 0656204   Start Trial
European Patent Office 0656204   Start Trial
Spain 2166769   Start Trial
Italy 1265240   Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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