Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup
C01B 17/52

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

Full Title

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