Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
IPC Main Group
C22B 3/00

Extraction of metal compounds from ores or concentrates by wet processes

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

EXTRACTING metal compounds from oresextracting metal compounds from ORES by wet processes

4 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • C22B 3/02 Apparatus therefor
  • C22B 3/18 with the aid of microorganisms or enzymes, e.g. bacteria or algae