Quaternary ammonium salts as a conversion coating or coating enhancement
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Nov 12, 2013
Grant Date -
May 23, 2013
app pub date -
Dec 24, 2012
filing date -
Dec 9, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
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.
First Claim
all claims..Other Claims data not available
Family
Country | kind | publication No. | Filing Date | Type | Sub-Type |
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- LONZA INC.
International Classification(s)

- 2012 Application Filing Year
- C09K Class
- 1833 Applications Filed
- 1451 Patents Issued To-Date
- 79.16 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Bedard, Thomas C | Ringwood, US | 3 | 21 |
# of filed Patents : 3 Total Citations : 21 | |||
Burleigh, Thomas David | Socorro, US | 5 | 21 |
# of filed Patents : 5 Total Citations : 21 | |||
Chiang, Michael Y | Whitehouse Station, US | 6 | 102 |
# of filed Patents : 6 Total Citations : 102 | |||
Hall, Larry K | Easton, US | 15 | 175 |
# of filed Patents : 15 Total Citations : 175 | |||
Kimler, Joseph | Yardville, US | 23 | 85 |
# of filed Patents : 23 Total Citations : 85 | |||
Scheblein, Joseph W | Flemington, US | 7 | 51 |
# of filed Patents : 7 Total Citations : 51 |
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Patent Citation Ranking
- 2 Citation Count
- C09K Class
- 9.49 % this patent is cited more than
- 12 Age
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Fee | Large entity fee | small entity fee | micro entity fee | due date |
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11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | May 12, 2025 |
Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
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