Working-up raw materials other than ores, e.g. scrap, to produce non-ferrous metals or compounds thereof

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

Child Classifications

Navigate with arrow keys, Enter to open

• C22B 7/02 Working-up flue dust
• C22B 7/04 Working-up slag