Coated aluminum alloy pigments and corrosion-resistant coatings

  • US Patent No. 9243333
  • Issued: January 26, 2016
  • Status: Active

This invention relates to galvanic aluminum alloy powder-pigments coated with semi-conducting corrosion inhibiting compositions and to the process for preparing said coated powder-pigments for coating metal substrates to inhibit corrosion. The coated aluminum alloy powder-pigments are electrically active and prevent corrosion of metals which are more cathodic (electropositive) than the coated aluminum alloy pigments.

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