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Serving hundreds of leading biopharmaceutical companies globally:

Dow
Argus Health
Healthtrust
Cerilliant
Medtronic
Citi
Cipla
Chubb
Queensland Health

Generated: June 21, 2018

DrugPatentWatch Database Preview

Details for Patent: 8,597,684

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Summary for Patent: 8,597,684
Title:Modified release formulations containing drug-ion exchange resin complexes
Abstract: An aqueous liquid suspension containing a coated drug-ion exchange resin complex comprising a core composed of an amphetamine complexed with a pharmaceutically acceptable ion-exchange resin and an uncoated amphetamine-ion exchange resin complex is provided. The coated amphetamine-ion exchange resin complex is in admixture with a polymer to form a matrix. The coating is a polyvinyl acetate polymer and a plasticizer. Methods of making the coated complex and the liquid suspension are described.
Inventor(s): Mehta; Ketan (Cranbury, NJ), Tu; Yu-Hsing (West Windsor, NJ)
Assignee: Tris Pharma, Inc. (Monmouth Junction, NJ)
Application Number:13/746,654
Patent Claim Types:
see list of patent claims
Composition; Process;

Drugs Protected by US Patent 8,597,684

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted
Tris Pharma Inc DYANAVEL XR amphetamine SUSPENSION, EXTENDED RELEASE;ORAL 208147-001 Oct 19, 2015 RX Yes Yes ➤ Sign Up ➤ Sign Up Y ➤ Sign Up
Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted

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Non-Orange Book US Patents Family Members for Patent 8,597,684

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
8,491,935 Modified release formulations containing drug-ion exchange resin complexes ➤ Sign Up
8,790,700 Modified release formulations containing drug-ion exchange resin complexes ➤ Sign Up
8,883,217 Modified release formulations containing drug-ion exchange resin complexes ➤ Sign Up
8,062,667 Modified release formulations containing drug-ion exchange resin complexes ➤ Sign Up
Patent No. Title Estimated Patent Expiration

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International Family Members for US Patent 8,597,684

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Taiwan 200812649 ➤ Sign Up
Russian Federation 2435569 ➤ Sign Up
Russian Federation 2008140944 ➤ Sign Up
South Korea 101495146 ➤ Sign Up
Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

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Serving hundreds of leading biopharmaceutical companies globally:

US Army
Cantor Fitzgerald
McKinsey
Harvard Business School
Teva
Fuji
Federal Trade Commission
US Department of Justice
Cerilliant

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