Sulfur; Compounds thereof

Introduced: September 1968

IPC and CPC are identically structured here. All 13 subcodes exist in both systems.

4 shared codes have differing titles between IPC and CPC.

Child Classifications

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C01B 17/02 Preparation of sulfur; Purification +9 CPC IPC+CPC Available in IPC and CPC
C01B 17/16 Hydrogen sulfides +5 CPC IPC+CPC Available in IPC and CPC
C01B 17/20 Methods for preparing sulfides or polysulfides, in general (ammonium sulfides or polysulfides C01C; sulfides or polysulfides of metals, other than alkali metals, magnesium, calcium, strontium and barium, see the relevant groups of subclasses C01F or C01G, according to the metal) IPC+CPC Available in IPC and CPC
C01B 17/22 Alkali metal sulfides or polysulfides IPC+CPC Available in IPC and CPC
C01B 17/42 Sulfides or polysulfides of magnesium, calcium, strontium, or barium IPC+CPC Available in IPC and CPC
C01B 17/45 Compounds containing sulfur and halogen, with or without oxygen +2 CPC IPC+CPC Available in IPC and CPC
C01B 17/46 Compounds containing sulfur, halogen, hydrogen, and oxygen +2 CPC IPC+CPC Available in IPC and CPC
C01B 17/48 Sulfur dioxide; Sulfurous acid IPC+CPC Available in IPC and CPC
C01B 17/62 Methods of preparing sulfites in general (particular individual sulfites, see the relevant groups of subclasses C01B - C01G, according to the cation) +1 CPC IPC+CPC Available in IPC and CPC
C01B 17/64 Thiosulfates; Dithionites; Polythionates IPC+CPC Available in IPC and CPC
C01B 17/69 Sulfur trioxide; Sulfuric acid since 1980 IPC+CPC Available in IPC and CPC
C01B 17/96 Methods for the preparation of sulfates in general (particular individual sulfates, see the relevant groups of subclasses C01B - C01G, according to the cation) +1 CPC IPC+CPC Available in IPC and CPC
C01B 17/98 Other compounds containing sulfur and oxygen (persulfuric acids C01B15/06; persulfates C01B15/08) IPC+CPC Available in IPC and CPC