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PCE
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DIFF Subgroup
C01F 17/10

Preparation or treatment, e.g. separation or purification

Introduced: January 2020

Full Title

Compounds of rare earth metals > Preparation or treatment, e.g. separation or purification

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

IPC defines codes here since 2020.

Child Classifications

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  • C01F 17/13 by using ion exchange resins, e.g. chelate resins since 2020 IPC+CPC Available in IPC and CPC
  • C01F 17/17 involving a liquid-liquid extraction since 2020 IPC+CPC Available in IPC and CPC