Quaternary ammonium salts as a conversion coating or coating enhancement

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United States of America Patent

PATENT NO 8580154
APP PUB NO 20130126047A1
SERIAL NO

13726495

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Abstract

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Disclosed are quaternary ammonium salts containing non-halogen anions such as carbonates, bicarbonates, phosphates, glycolates and mixtures thereof as conversion coatings or additives imparting anti-corrosive properties to paints. The invention relates to a method for inhibiting the corrosion of metal surfaces by applying a composition containing one or more quaternary ammonium carbonate or bicarbonate. The disclosure is also directed to anti-corrosive coatings for metal substrates containing these compounds and to metal substrates having these anticorrosive coatings.

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Patent Owner(s)

  • LONZA INC.

International Classification(s)

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  • 2012 Application Filing Year
  • C09K Class
  • 1833 Applications Filed
  • 1451 Patents Issued To-Date
  • 79.16 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20122013201420152016201720182019202020212022202320240255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bedard, Thomas C Ringwood, US 3 21
Burleigh, Thomas David Socorro, US 5 21
Chiang, Michael Y Whitehouse Station, US 6 102
Hall, Larry K Easton, US 15 175
Kimler, Joseph Yardville, US 23 85
Scheblein, Joseph W Flemington, US 7 51

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  • 2 Citation Count
  • C09K Class
  • 9.49 % this patent is cited more than
  • 12 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges593749142211074221901 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 9091 - 100100 +0255075100125150175200225250275300325350375400

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