C22B15/0021 - CPC Classification Index

ClassID:

119350 ⎘

C22B15/0021 - CPC Classification

Classification description:

Obtaining copper; Preliminary treatment with modification of the copper constituent by reducing in gaseous or solid state

Sub-classes:

METHOD FOR RECOVERING VALUABLE MATERIALS FROM BATTERIES

Bio-reduction of metal ores integrated with biomass pyrolysis

Bio-reduction of metal ores integrated with biomass pyrolysis

Bis(trimethylsilyl) six-membered ring systems and related compounds as reducing agents for forming layers on a substrate

Method of producing copper powder and copper powder