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Last Updated: April 20, 2024

Details for Patent: 6,264,987

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Summary for Patent: 6,264,987

Title:	Method for preparing microparticles having a selected polymer molecular weight
Abstract:	A method for preparing microparticles having a selected polymer molecular weight. The hold time and temperature of a solution containing a nucleophilic compound and a polymer having a starting molecular weight are controlled in order to control the molecular weight of the polymer in the finished microparticle product. In this manner, a selected polymer molecular weight in the finished microparticle product can be achieved from a variety of starting material molecular weights.
Inventor(s):	Wright; Steven G. (Madeira, OH), Rickey; Michael E. (Loveland, OH), Ramstack; J. Michael (Lebanon, OH), Lyons; Shawn L. (Cincinnati, OH), Hotz; Joyce M. (Cincinnati, OH)
Assignee:	Alkermes Controlled Therapeutics Inc. II (Cambridge, MA)
Application Number:	09/575,075
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for patent 6,264,987
Patent Claim Types: see list of patent claims	Use; Compound;

Drugs Protected by US Patent 6,264,987

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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

International Family Members for US Patent 6,264,987

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Austria	399535	⤷ Try a Trial
Australia	2001255465	⤷ Try a Trial
Australia	5546501	⤷ Try a Trial
Canada	2405787	⤷ Try a Trial
Cyprus	1110403	⤷ Try a Trial
Cyprus	1113082	⤷ Try a Trial
Germany	60134640	⤷ Try a Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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