IPC Subgroup
C01B 25/16 Oxyacids of phosphorus; Salts thereof
Introduced: September 1968
Last revised: January 2006
Full Title
Phosphorus; Compounds thereof > Oxyacids of phosphorus; Salts thereof
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- INORGANIC CHEMISTRY
- Subclass:
- NON-METALLIC ELEMENTS; COMPOUNDS THEREOF
7 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
- C01B 25/46 Preparation involving solvent-solvent extraction