CM-PATRA / record

(no English title in the source record)

Filed / published / granted
1993-01-11 / 2002-11-02 / n/a
Offices
IN (includes the Indian office)
Applicants
Virgin Metals Canada Ltd (, foreign-industry)
Minerals
Iron / Steel / Manganese / Chromium (not on list)
Stages
Ore preparation / agglomeration
CPC
C22B1/04, C22B1/00
Abstract (first 170 chars)
Iron ore concentrate is converted to magnetic gamma hematite in an autogenous roasting operation which is self-sustaining. The iron ore concentrate is preheated and conta

Why it is labelled this way

Decided by cpc-rules+text: Matched iron-steel by text.

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