US Patent 7956153 Macromolecular antioxidants based on sterically hindered phenols and phosphites

Patent 7956153 was granted and assigned to Polnox Corporation on June, 2011 by the United States Patent and Trademark Office.

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Date of Patent

June 7, 2011

Patent Application Number

12789843

Date Filed

May 28, 2010

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Patent abstract

Sterically hindered phenol and phosphite based compounds represented by structural formula II:

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