Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Mark E. Harr0
Thomas C. Jennings0
Donald R. Stevenson0
Michael R. Jakupca0
Date of Patent
January 22, 2008
0Patent Application Number
107095100
Date Filed
May 11, 2004
0Patent Primary Examiner
Patent abstract
The invention relates to liquid polymer additive compositions comprising blends of phosphite esters selected from the group consisting of aryl phosphites, alkyl phosphites, aryl/alkyl phosphites, bisphenol-A phosphites, dialkylene glycol phosphites and polydialkylene glycol phosphites, pentaerythritol phosphites, p-cumyl phenol phosphites with from 50 to 800 ppm inclusive of zinc per 100 parts resin. The stabilizer is used as either a complete or a partial replacement of toxic-metal containing antioxidant stabilizer additives.
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