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US Patent 11471421 Process for preparing microparticles containing glatiramer acetate

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Patent
Patent

Patent attributes

Patent Applicant
Mapi Pharma
Mapi Pharma
Current Assignee
Mapi Pharma
Mapi Pharma
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
11471421
Date of Patent
October 18, 2022
Patent Application Number
16328572
Date Filed
August 28, 2017
Patent Primary Examiner
‌
Robert S Cabral
CPC Code
‌
A61K 9/5094
‌
A61K 9/0019
‌
A61K 9/19
‌
A61K 9/5031

The present invention provides an improved process for preparing microparticles containing glatiramer acetate having low levels of residual organic solvent(s), in particular dichloromethane. The microparticles are incorporated into long acting parenteral pharmaceutical compositions in depot form that are suitable for subcutaneous or intramuscular implantation or injection, and that may be used to treat multiple sclerosis.

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