Iron oxides with a higher degree of refining

Chemistry of inorganic compounds – Oxygen or compound thereof – Metal containing

Reexamination Certificate

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Details

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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