US Patent 7427648 Hydrophilic siloxane copolymers and process for the preparation thereof

Patent 7427648 was granted and assigned to Wacker Chemie AG on September, 2008 by the United States Patent and Trademark Office.

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Date of Patent

September 23, 2008

Patent Application Number

11139900

Date Filed

May 27, 2005

Patent Primary Examiner

Patent abstract

Hydrophilic siloxane copolymers are prepared by

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