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Serving hundreds of leading biopharmaceutical companies globally:

Generated: June 21, 2018

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Details for Patent: 6,110,503

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Summary for Patent: 6,110,503

Title:	Preparation of biodegradable, biocompatible microparticles containing a biologically active agent
Abstract:	A method for preparing biodegradable, biocompatible microparticles. A first phase is prepared that includes a biodegradable, biocompatible polymer, an active agent, and a solvent. An immiscible second phase is prepared. The first and second phases are combined to form an emulsion in which the first phase is discontinuous and the second phase is continuous. The two phases are immersed in a quench liquid that includes a quench medium and a quantity of the solvent. The quantity of the solvent is selected to control a rate of extraction of the solvent from the first phase. The first phase is isolated in the form of microparticles. Also disclosed is a microencapsulated active agent prepared by the method for preparing biodegradable, biocompatible microparticles.
Inventor(s):	Rickey; Michael E. (Loveland, OH), Ramstack; J. Michael (Lebanon, OH), Lewis; Danny H. (Hartselle, AL)
Assignee:	Alkermes Controlled Therapeutics Inc. (Cambridge, MA)
Application Number:	09/263,098
Patent Claim Types: see list of patent claims	Use; Process; Formulation;

Drugs Protected by US Patent 6,110,503

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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	Patent Submitted
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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Country	Document Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Turkey	9802258	➤ Sign Up
Slovakia	283852	➤ Sign Up
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Slovenia	1210942	➤ Sign Up
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