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PCE
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DIFF Subgroup
C01B 17/52

by roasting sulfides (preliminary treatment of ores or scrap C22B1/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: by roasting sulfides

CPC: by roasting sulfides (preliminary treatment of ores or scrap C22B1/00)

Full Title

Full titles differ between systems:

IPC:

Sulfur; Compounds thereof > Sulfur dioxide; Sulfurous acid > Preparation of sulfur dioxide > by roasting sulfides

CPC:

Sulfur; Compounds thereof > Sulfur dioxide; Sulfurous acid > Preparation of sulfur dioxide > by roasting sulfides (preliminary treatment of ores or scrap C22B1/00)

No child classifications to compare. This is a leaf node in both IPC and CPC.