C01B 25/161 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

C01B 25/161

Full Title

Phosphorus; Compounds thereof ( , C01B21/00, C01B23/00 take precedence; perphosphates C01B15/16) > Oxyacids of phosphorus; Salts thereof (peroxyacids or salts thereof C01B15/00)

This code exists only in CPC.

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