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PCE
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IPC Main Group
C22B 1/00

Preliminary treatment of ores or scrap

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:
CHEMISTRY; METALLURGY
Class:
METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
Subclass:
PRODUCTION OR REFINING OF METALS; PRETREATMENT OF RAW MATERIALS

Related Keywords

pretreatment of IRON orepretreatment of NON-FERROUS ores for producing metals

4 direct subcodes

Child Classifications

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  • C22B 1/11 Removing sulfur, phosphorus or arsenic, other than by roasting
  • C22B 1/26 Cooling of roasted, sintered, or agglomerated ores