Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 29, 2008
Patent Application Number
11387358
Date Filed
March 23, 2006
Patent Primary Examiner
Patent abstract
The present invention relates to aqueous dispersions for solid phenolic antioxidants, wherein the antioxidants are dispersed in the aqueous phase with polyvinyl alcohol as dispersing agent. The invention also relates to a process, which comprises stabilising a polymer material against oxidative, thermal or light-induced degradation by adding to the polymer the aqueous dispersion.
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