CPC Subgroup
C01B 25/16 Oxyacids of phosphorus; Salts thereof (peroxyacids or salts thereof C01B15/00)
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)
8 direct subcodes
Child Classifications
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- C01B 25/163 Phosphorous acid; Salts thereof
- C01B 25/165 Hypophosphorous acid; Salts thereof
- C01B 25/168 Pyrophosphorous acid; Salts thereof
- C01B 25/18 Phosphoric acid
- C01B 25/24 Condensed phosphoric acids
- C01B 25/26 Phosphates (perphosphates C01B15/16)
- C01B 25/46 Preparation involving solvent-solvent extraction (solvent extraction in general B01D11/00)