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Details for Patent: 6,773,720

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Patent 6,773,720 protects LIALDA and is included in one NDA. There has been one Paragraph IV challenge on Lialda. There is one tentative approval for the compound protected by this patent. Additional details are available via the generic ingredient links below.

This patent has twenty-seven patent family members in seventeen countries.

Summary for Patent: 6,773,720

Title: Mesalazine controlled release oral pharmaceutical compositions
Abstract:Controlled-release oral pharmaceutical compositions containing as active ingredient 5-amino-salicylic acid, comprising: a) an inner lipophilic matrix consisting of substances with a melting point below 90.degree. C. in which the active ingredient is at least partly inglobated; b) an outer hydrophilic matrix in which the lipophilic matrix is dispersed; c) optionally other excipients.
Inventor(s): Villa; Roberto (Panama, PA), Pedrani; Massimo (Panama, PA), Ajani; Mauro (Panama, PA), Fossati; Lorenzo (Panama, PA)
Assignee: Cosmo S.p.A. (Milan, IT)
Application Number:10/009,491
Patent Claim Types:
see list of patent claims
Composition; Compound; Formulation; Dosage form; Process;
Patent Metrics:
Source: PatentQuant.com
Field: Pharmaceuticals
Back Citations: 6th percentile
Forward Citations: 1st percentile

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
TABLET, DELAYED RELEASE;ORAL022000-001Jan 16, 2007RXYes6,773,720Jun 8, 2020Y
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Foreign Priority and PCT Information for Patent: 6,773,720

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
ItalyMI99A1316Jun 14, 1999
PCT Information
PCT FiledJune 08, 2000PCT Application Number:PCT/EP00/05321
PCT Publication Date:December 21, 2000PCT Publication Number: WO00/76481

International Patent Family for Patent: 6,773,720

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Portugal1287822<disabled in preview>
Portugal1198226<disabled in preview>
Norway329402<disabled in preview>
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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