Maryland's Defense Patent Database

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Aluminum alloy coated pigments and corrosion-resistant coatings

Patent image
NAWCAD

This invention relates to galvanic aluminum alloy powder-pigments coated with a semi-conducting corrosion inhibiting oxide and the process for preparing said coated powder-pigments in combination with film-forming binders 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 aluminum alloy pigments.

Inventors: 
Matzdorf, Craig; Nickerson, William
Patent Number: 
Technical domain: 
Materials and Coatings
FIle Date: 
2011-07-27
Grant Date: 
2012-10-02
Grant time: 
433 days
Grant time percentile rank: 
7
Claim count percentile rank: 
3
Citations percentile rank: 
1
'Cited by' percentile rank: 
1
Assignee: 
US NAVY