Stabilization of natural composites

Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants

Reexamination Certificate

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C524S013000, C252S401000

Reexamination Certificate

active

07862746

ABSTRACT:
The invention relates to a method of stabilizing natural composites against damage by heat and light by treating the wood derived fillers with a water based solution of a sterically hindered amine, drying the treated wood derived filler and then combining with plastic via compounding methods such as extrusion.

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