Chemistry of inorganic compounds – Oxygen or compound thereof – Metal containing
Reexamination Certificate
2008-04-01
2008-04-01
Vanoy, Timothy C. (Department: 1793)
Chemistry of inorganic compounds
Oxygen or compound thereof
Metal containing
C423S630000, C423S631000
Reexamination Certificate
active
07351394
ABSTRACT:
A method for producing an α-alumina powder is described. The method for producing an α-alumina powder comprises a step of calcining an aluminum salt in the presence of a seed crystal at 600-890° C.
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Maki Hajime
Takeuchi Yoshiaki
Sughrue & Mion, PLLC
Sumitomo Chemical Company Limited
Vanoy Timothy C.
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