CM-PATRA / record

(no English title in the source record)

Filed / published / granted
2013-07-22 / 2015-06-12 / n/a
Offices
IN (includes the Indian office)
Applicants
Vale Sa (BR, foreign-industry)
Minerals
Nickel, Copper, Zinc / Lead (not on list)
Stages
Ore preparation / agglomeration
CPC
C22B1/06, C22B23/005, C22B23/04, C22B1/08, C22B15/0026, C22B19/20
Abstract (first 170 chars)
The present invention discloses a new recovery of base metals from sulphide ores and concentrates which comprises mixing the base metal s ore with ferric salts heating th

Why it is labelled this way

Decided by cpc-rules: Matched nickel, copper, zinc-lead by CPC.

Source: Google Patents Public Data (BigQuery), CC BY 4.0.