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Serving hundreds of leading biopharmaceutical companies globally:

Cerilliant
Julphar
McKesson
Teva
Express Scripts
Merck
Queensland Health
Dow
Mallinckrodt

Generated: June 25, 2018

DrugPatentWatch Database Preview

Details for Patent: 6,331,317

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Which drugs does patent 6,331,317 protect, and when does it expire?

Patent 6,331,317 protects VIVITROL and is included in one NDA.

This patent has twenty patent family members in ten countries.
Summary for Patent: 6,331,317
Title: Apparatus and method for preparing microparticles
Abstract:Apparatus and method for preparing microparticles. An emulsion is formed by combining two phases in a static mixing assembly. The static mixing assembly preferably includes a preblending static mixer and a manifold. The emulsion flows out of the static mixing assembly into a quench liquid whereby droplets of the emulsion form microparticles. The residence time of the emulsion in the static mixing assembly is controlled to obtain a predetermined particle size distribution of the resulting microparticles.
Inventor(s): Lyons; Shawn L. (Cincinnati, OH), Wright; Steven G. (Madeira, OH)
Assignee: Alkermes Controlled Therapeutics II Inc. (Cambridge, MA)
Application Number:09/438,659
Patent Claim Types:
see list of patent claims
Use; Formulation; Process;

Drugs Protected by US Patent 6,331,317

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
Alkermes VIVITROL naltrexone FOR SUSPENSION, EXTENDED RELEASE;INTRAMUSCULAR 021897-001 Apr 13, 2006 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 6,331,317

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
6,540,393 Apparatus for preparing microparticles using in-line solvent extraction ➤ Sign Up
6,713,090 Apparatus and method for preparing microparticles ➤ Sign Up
6,395,304 Apparatus and method for preparing microparticles ➤ Sign Up
6,537,586 Apparatus and method for preparing microparticles ➤ Sign Up
Patent No. Title Estimated Patent Expiration

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Serving hundreds of leading biopharmaceutical companies globally:

Federal Trade Commission
Accenture
Colorcon
Merck
UBS
Cerilliant
Farmers Insurance
Mallinckrodt
Moodys

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