the salt being an alkali metal or an alkaline earth metal nitrate

Introduced: July 1974

Full Title

Compositions containing an inorganic nitrogen-oxygen salt > the salt being an alkali metal or an alkaline earth metal nitrate

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

IPC defines codes here since 1974.

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C06B 31/04 with carbon or sulfur since 1974 IPC+CPC Available in IPC and CPC
C06B 31/08 with a metal oxygen-halogen salt, e.g. inorganic chlorate, inorganic perchlorate since 1974 IPC+CPC Available in IPC and CPC
C06B 31/12 with a nitrated organic compound since 1974 IPC+CPC Available in IPC and CPC