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Details for Patent: 6,232,304

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Patent 6,232,304 protects GEODON and is included in one NDA. There has been one Paragraph IV challenge on Geodon.

This patent has fifty-four patent family members in forty-four countries.

Summary for Patent: 6,232,304

Title: Inclusion complexes of aryl-heterocyclic salts
Abstract:Compositions of matter comprising a pharmaceutically acceptable salt of an aryl-heterocyclic compound, such as ziprasidone, in a cyclodextrin. Preferred cyclodextrins are SBECD and HPBCD. The composition can comprise a dry mixture, a dry inclusion complex or an aqueous solution. The salt/cyclodextrin inclusion complex preferably provides an amount of ziprasidone of at least 2.5 mgA/ml when the complex is dissolved in water at 40% w/v. A variety of ziprasidone salts are preferred, including the mesylate, esylate, besylate, tartrate, napsylate, and tosylate.
Inventor(s): Kim; Yesook (Branford, CT), Johnson; Kevin C. (Niantic, CT), Shanker; Ravi M. (Groton, CT)
Assignee: Pfizer Inc. (New York, NY)
Application Number:09/147,239
Patent Claim Types:
see list of patent claims
Composition; Compound; Formulation;
Patent Metrics:
Source: PatentQuant.com
Field: Not categorized
Back Citations: 15th percentile
Forward Citations: 0th percentile

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Pfizer
GEODON
ziprasidone mesylate
INJECTABLE;INTRAMUSCULAR020919-001Jun 21, 2002RXYes6,232,304► subscribe
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Foreign Priority and PCT Information for Patent: 6,232,304

PCT Information
PCT FiledApril 01, 1997PCT Application Number:PCT/IB97/00321
PCT Publication Date:November 13, 1997PCT Publication Number: WO97/41896

Non-Orange Book Patents for Patent: 6,232,304

For Orange Book-listed patents (shown in the main table above) generic applications must certify that the listed patents are expired, invalid, or will not be infringed by generic entry.

The non-Orange Book patents listed below do not require formal certifications, so they do not automatically impede generic entry. Instead, they represent potential opportunities for branded firms to block generic entry through patent infringment challenges.

Patent No. Title Estimated Patent Expiration
6,399,777 Inclusion complexes of aryl-heterocyclic salts► subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Because of the complexity of determining patent expiration dates it is advisable to have patent counsel verify freedom to operate.

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International Patent Family for Patent: 6,232,304

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
African Regional IP Organization (ARIPO)796► subscribe
African Regional IP Organization (ARIPO)9700977► subscribe
Argentina007002► subscribe
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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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