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Last Updated: November 26, 2022

Details for Patent: 6,379,703

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Summary for Patent: 6,379,703
Title: Preparation of microparticles having a selected release profile
Abstract:An improved method for preparing microparticles that exhibit controlled release of an effective amount of an active agent over an extended period of time. More particularly, a method is provided for preparing microparticles having a selected release profile for release of active agent contained in the microparticles. By adjusting the degree of drying that is performed during the preparation of the microparticles, the release profile can be controlled. By performing no intermediate drying, an initial burst and a substantially linear release profile is achieved. By performing substantially complete intermediate drying, an initial lag phase and a substantially sigmoidal release profile is achieved.
Inventor(s): Lyons; Shawn L. (Cincinnati, OH), Ramstack; J. Michael (Lebanon, OH), Wright; Steven G. (Madeira, OH)
Assignee: Alkermes Controlled Therapeutics Inc., II (Cambridge, MA)
Application Number:09/722,335
Patent Claim Types:
see list of patent claims
Process; Use;

Drugs Protected by US Patent 6,379,703

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

International Family Members for US Patent 6,379,703

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 308977 See Plans and Pricing
Australia 3117800 See Plans and Pricing
Australia 759214 See Plans and Pricing
Canada 2352818 See Plans and Pricing
Germany 69928283 See Plans and Pricing
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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