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Last Updated: December 4, 2023

Details for Patent: 6,331,317

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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

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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

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Austria	286722	⤷ Try a Trial
Austria	349201	⤷ Try a Trial
Australia	2750801	⤷ Try a Trial
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Australia	773734	⤷ Try a Trial
Canada	2390284	⤷ Try a Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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