Coating processes – With post-treatment of coating or coating material – Heating or drying
Reexamination Certificate
2007-07-13
2009-10-27
Cleveland, Michael (Department: 1792)
Coating processes
With post-treatment of coating or coating material
Heating or drying
Reexamination Certificate
active
07608302
ABSTRACT:
A method is described for improving resistance to chemical attack by aluminum or magnesium in refractory components. In one method, a slurry is formed comprising calcium silicate-containing refractory material and a barium-containing compound. This slurry is placed in a mold, then dewatered to form a component which is hydrothermally processed to form a final component. In a second procedure, a silica-containing porous refractory component is impregnated with an aqueous solution of an oxide or hydroxide of barium or strontium and thereafter dried in air.
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Bischoff Todd F.
Bruski Richard S.
Wagstaff Robert B.
Cleveland Michael
Cooper & Dunham LLP
Empie Nathan H
Novelis Inc.
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