Additive for quality determination of conversion coatings

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United States of America Patent

PATENT NO 11084942
APP PUB NO 20200109295A1
SERIAL NO

16152050

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Abstract

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A method of applying a trivalent chromium or chromium-free conversion coating to a metallic substrate including mixing a dye compound that interacts with electromagnetic radiation outside the human visual spectrum but not electromagnetic radiation that is within the human visual spectrum to produce an observable emission into the trivalent chromium or chromium-free conversion coating mixture to allow for inspection of the coating after applied with a correlating electromagnetic radiation source.

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Patent Owner(s)

  • HAMILTON SUNDSTRAND CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Emerson, Sean C Broad Brook, US 46 101
Li, Weina South Glastonbury, US 32 40
Smith, Blair A South Windsor, US 85 269
Van, Hassel Bart Antoine Weatogue, US 4 0
Zafiris, Georgios S Glastonbury, US 85 177

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