Coating processes – Immersion or partial immersion – Metal base
Reexamination Certificate
2005-02-08
2005-02-08
Beck, Shrive P. (Department: 1762)
Coating processes
Immersion or partial immersion
Metal base
C427S421100, C427S430100, C148S271000, C148S243000
Reexamination Certificate
active
06852369
ABSTRACT:
Methods for preventing dissolution of solid substrates, such as metal leaching from coal or corrosion of metal surfaces, are provided. The method comprises coating the solid substrate with a chelate ligand having the general structure:where n is an integer from 1-4, and X is selected from the group consisting of hydrogen, lithium, sodium, potassium, rubidium, cesium, and francium. A method for preventing metal leaching from coal, such as acid mine drainage or metal leachate in runoff from coal refuse piles, is also provided.
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Beck Shrive P.
King & Schickli PLLC
Turocy David
University of Kentucky Research Foundation
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