Preparation of sulfur dioxide

Introduced: September 1968

Full Title

Sulfur; Compounds thereof > Sulfur dioxide; Sulfurous acid > Preparation of sulfur dioxide

Of 7 combined children, 5 exist in both systems.

2 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

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C01B 17/501 +6 CPC CPC only CPC only
C01B 17/508 CPC only CPC only
C01B 17/52 by roasting sulfides (preliminary treatment of ores or scrap C22B1/00) IPC+CPC Available in IPC and CPC
C01B 17/54 by burning elemental sulfur IPC+CPC Available in IPC and CPC
C01B 17/56 Separation; Purification IPC+CPC Available in IPC and CPC
C01B 17/58 Recovery of sulfur dioxide from acid tar or the like +1 CPC IPC+CPC Available in IPC and CPC
C01B 17/60 Isolation of sulfur dioxide from gases IPC+CPC Available in IPC and CPC