US Patent 9187593 Low burst polymers and methods to produce polymer

Patent 9187593 was granted and assigned to Tolmar on November, 2015 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Tolmar

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

91875930

Date of Patent

November 17, 2015

Patent Application Number

125273770

Date Filed

February 13, 2008

Patent Primary Examiner

‌

Johann R. Richter

Patent abstract

A PLG copolymer material, termed a PLG(p) copolymer material, adapted for use in a controlled release formulation for a bioactive material is provided, wherein the formulation exhibits a reduced “initial burst” effect when introduced into the tissue of a patient in need thereof. A method of preparation of the PLG copolymer material is also provided, as are methods of use.