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Last Updated: December 1, 2021

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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

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

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

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