CM-PATRA / Iron / Steel / Manganese / Chromium (not on list)
Iron / Steel / Manganese / Chromium (not on list)
43 patent families, 0 with an Indian applicant, and 2 funded project(s) in the Ministry of Mines S&T list. Not on the India critical-minerals list; shown for context. Counts are lower bounds.
Stages
- Ore preparation / agglomeration: 24
- Recycling / secondary sources: 16
- Hydrometallurgy (leaching, solvent extraction): 13
- Pyrometallurgy / smelting: 8
- Beneficiation / separation: 5
- Refining: 3
- Other: 1
- Electrochemical recovery: 1
Most active applicants
- Tata Steel: 11
- CSIR (Council of Scientific & Industrial Research): 6
- Tathavadkar Vilas D: 2
- Outotec Oyj: 2
- Vale Sa: 2
- Deepgreen Engineering Pte Ltd: 2
- Attero Recycling: 2
- Virgin Metals Canada Ltd: 1
Funded projects
- Extraction of Gallium from Titanium and Iron ore Industrial wastes · SNTMOM/1171/2024 · Approved with Modification
- Recovery of Nickel from Secondary Steel Industry waste. · SNTMOM/1053/2024 · Approved with Modification
Patent families
- (no English title in the source record)IN-188762-B · 2002 · Virgin Metals Canada Ltd
- Process for the stabilization of soluble chromium contaminated solid by down draft sinteringUS-6416251-B1 · 2002 · CSIR (Council of Scientific & Industrial Research)
- Method for densifying aluminum briquettesCA-2390461-A1 · 2002 · Bulan Clayton A Jr
- A process for simultaneous recovery of chromium and iron from chromite ore processing residueWO-2004040027-A1 · 2004 · CSIR (Council of Scientific & Industrial Research)
- A process for extraction of nickel from low grade chromite oreWO-2004055225-A1 · 2004 · CSIR (Council of Scientific & Industrial Research)
- Cold briquetting and pelletisation of mineral fines using an iron-bearing hydraulic binderWO-2004050924-A1 · 2004 · CSIR (Council of Scientific & Industrial Research)
- Sintering with sinter mix enhancerWO-2005042789-A1 · 2005 · Ge Betz Inc
- A method for producing hydrogen and/or other gases from steel plant wastes and waste heatCA-2624574-A1 · 2007 · Tata Steel
- A dust recycling system for enhanced availability of corexWO-2008007387-A1 · 2008 · JSW Steel
- Process for the production of chromium metal nuggets from chromite ores/concentrates.WO-2008142704-A1 · 2008 · Tata Steel
- Method for separation of zinc and extraction of iron values from iron ores with high concentration of zincWO-2010023691-A1 · 2010 · Tata Steel
- A novel method for production of iron ore concentrates suitable for iron and steel making processes.WO-2010023692-A1 · 2010 · Tata Steel
- An improved process for production of high carbon ferrochrome (hcfecr) and charge chrome with the use of a new type of chromite ore agglomeratesWO-2010103343-A1 · 2010 · Tata Steel
- A proces for producing high purity fe2 o3 for value-added applications including blast furnace feed for a poor-grade iron ore slimeWO-2011099030-A1 · 2011 · Tata Steel
- A process for producing high grade blast furnace feed from poor grade iron ore ultra finesWO-2010146596-A1 · 2010 · Tata Steel
- (no English title in the source record)IN-2014CN02502-A · 2015 · Outotec Oyj
- (no English title in the source record)IN-2014CN02589-A · 2015 · Outotec Oyj
- Recovery reactorWO-2012160494-A2 · 2012 · Upl Ltd
- A method for direct reduction of oxidized chromite ore fines composite agglomerates in a tunnel kiln using carbonaceous reductant for production of reduced chromite product/ agglomerates applicable in ferrochrome or charge chrome production.WO-2013011521-A1 · 2013 · Tata Steel
- (no English title in the source record)IN-2015DN00036-A · 2015 · Kawasaki Heavy Ind Ltd
- (no English title in the source record)IN-2014DN10331-A · 2015 · Vale Sa
- (no English title in the source record)IN-2014DN10774-A · 2015 · Lanxess Deutschland Gmbh
- (no English title in the source record)IN-2014CN04633-A · 2015 · Drinkard Res And Dev Corp
- (no English title in the source record)IN-2015DN00974-A · 2015 · Vale Sa
- (no English title in the source record)IN-2014DN07287-A · 2015 · Nippon Steel & Sumitomo Metal Corp
- (no English title in the source record)IN-2014KN01757-A · 2015 · Jfe Steel Corp
- (no English title in the source record)IN-2014KN03064-A · 2015 · Deepgreen Engineering Pte Ltd
- (no English title in the source record)IN-2015KN00006-A · 2015 · Deepgreen Engineering Pte Ltd
- Method and apparatus for handling steel making slag and metal recoveryWO-2015068172-A1 · 2015 · Prasad Babu Nand
- Column thickener and a process thereof for dewatering of iron ore slurryWO-2016135750-A1 · 2016 · CSIR (Council of Scientific & Industrial Research)
- Process for recovering metal values from spent lithium ion batteries with high manganese contentWO-2017118955-A1 · 2017 · Attero Recycling
- Process for recovery of pure cobalt oxide from spent lithium ion batteries with high manganese contentWO-2017145099-A1 · 2017 · Attero Recycling
- A method for an iron ore pellet grading using a fuzzy logic modelAU-2021105404-A4 · 2021 · J Naik Anant
- Process for recovery of metals and carbon powder from spent lithium ion batteriesWO-2022101930-A1 · 2022 · Hydromet Tech Solutions Private Limited
- A process for recovery of base metal from mill scale wasteWO-2022168110-A1 · 2022 · Mangalam Alloys
- A method for recycling of used scrap lithium batteryWO-2022224264-A1 · 2022 · Batx Energies Pvt Ltd
- A method of granulating a mxture for iron-ore sinteringWO-2023161742-A1 · 2023 · Tata Steel
- A method for recovering manganese from manganese oreWO-2023148644-A1 · 2023 · Tata Steel
- A modified polysaccharide based selective flocculant, its preparation method, iron ore beneficiation method and useWO-2024161302-A1 · 2024 · Tata Steel
- A system and a method for producing green steel with near zero ghg emissions intensityEP-4729637-A1 · 2026 · Saarloha Advanced Mat Private Limited
- Process for recovery of battery cathode metal oxides from the end-of-life batteries using copper and ironWO-2025046622-A1 · 2025 · IIT Kharagpur
- A method of reductive electro-bioleaching of oxide mineralsWO-2026058284-A1 · 2026 · CSIR (Council of Scientific & Industrial Research)
- System and method of recycling of aluminium-air battery and recovery of al(oh) 3 and koh electrolyteWO-2026099777-A1 · 2026 · Lohum