Patent · US Active

Stabilization of natural composites

US7862746B2 · kind B2 · utility

10Cited by
6References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 13, 2006
Grant dateJan 4, 2011
Priority date
Expiry dateMay 25, 2028

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08K9/04
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.