by treating aluminous minerals with sodium carbonate, e.g. sinter processes (C01F7/0613, C01F7/066 take precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: by treating aluminous minerals with sodium carbonate, e.g. sinter processes

CPC: by treating aluminous minerals with sodium carbonate, e.g. sinter processes (C01F7/0613, C01F7/066 take 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 > by treating aluminous minerals with sodium carbonate, e.g. sinter processes

CPC:

Compounds of aluminium > Aluminium oxide; Aluminium hydroxide; Aluminates > Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom (C01F7/028 takes precedence) > by treating aluminous minerals with sodium carbonate, e.g. sinter processes (C01F7/0613, C01F7/066 take precedence)

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

IPC defines codes here since 2022.

Child Classifications

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C01F 7/085 according to the lime-sinter process since 2022 IPC+CPC Available in IPC and CPC