Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom (C01F7/028 takes precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom

CPC: Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom (C01F7/028 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Compounds of aluminium > Aluminium oxide; Aluminium hydroxide; Aluminates > Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom

CPC:

Compounds of aluminium > Aluminium oxide; Aluminium hydroxide; Aluminates > Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom (C01F7/028 takes precedence)

IPC and CPC are identically structured here. All 7 subcodes exist in both systems.

3 shared codes have differing titles between IPC and CPC.

Child Classifications

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C01F 7/043 Lithium aluminates since 2022 IPC+CPC Available in IPC and CPC
C01F 7/046 Stabilisation of aluminates since 2022 IPC+CPC Available in IPC and CPC
C01F 7/06 by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process (obtaining aluminium oxide or hydroxide from the resulting aluminate solution C01F7/14) IPC+CPC Available in IPC and CPC
C01F 7/08 by treating aluminous minerals with sodium carbonate, e.g. sinter processes (C01F7/0613, C01F7/066 take precedence) IPC+CPC Available in IPC and CPC
C01F 7/10 by treating aluminous minerals with alkali sulfates and reducing agents IPC+CPC Available in IPC and CPC
C01F 7/12 Alkali metal aluminates from alkaline-earth metal aluminates IPC+CPC Available in IPC and CPC
C01F 7/14 Aluminium oxide or hydroxide from alkali metal aluminates IPC+CPC Available in IPC and CPC