Chemistry of inorganic compounds – Oxygen or compound thereof – Metal containing
Reexamination Certificate
2007-03-06
2007-03-06
Vanoy, Timothy C. (Department: 1754)
Chemistry of inorganic compounds
Oxygen or compound thereof
Metal containing
C423S138000, C423S150300, C423S633000, C423SDIG010, C502S325000, C585S440000, C585S444000
Reexamination Certificate
active
10473214
ABSTRACT:
Iron oxides are upgraded by calcining at from 700 to 1200° C.
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Bajer Michael
Harth Klaus
Körner Reinhard
Ruppel Wilhelm
Vorberg Gerald
BASF - Aktiengesellschaft
Novak Druce & Quigg LLP
Vanoy Timothy C.
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