CM-PATRA / Rare earths
Rare earths
15 patent families, 10 with an Indian applicant, and 18 funded project(s) in the Ministry of Mines S&T list. On the India critical-minerals list. Counts are lower bounds.
Stages
- Hydrometallurgy (leaching, solvent extraction): 9
- Recycling / secondary sources: 9
- Ore preparation / agglomeration: 4
- Refining: 1
- Electrochemical recovery: 1
- Other: 1
- Pyrometallurgy / smelting: 1
Most active applicants
- IIT Kharagpur: 2
- Lohum: 1
- Sharma Joti Nath: 1
- Ruhela Ritesh: 1
- Manohar Smitha: 1
- Sumitomo Metal Ind: 1
- Gourishankar Karthick Vilapakkam: 1
- Srivastava Alok Mani: 1
Funded projects
- Scalable Synthesis of Porous Polymeric Beads for Extraction of Rare Earth Elements from End-of-Life Permanent Magnets · SNTMOM/1790/2026 · Recommended to PSCII
- Biohydrometallurgical Extraction of REEs from NdFeB Magnet Waste Utilizing Acidogenic Fungal Systenms · SNTMOM/1741/2026 · Recommended to PSCII
- Microwave-Assisted Enhanced Recovery of Rare Earth Elements from Fly Ash and Coal Washery Rejects · SNTMOM/1737/2026 · Recommended to PSCII
- Microdroplets-assisted extraction of critical rare earth elements from e-waste · SNTMOM/1724/2026 · Status not stated
- Advancing Circular Economy - Developing polymer inclusion membranes (PIMs) for Rare Earth Element Recovery from E-Waste · SNTMOM/1583/2025 · Status not stated
- Sustainable Recovery of Critical and Rare Earth Metals from E-waste using Integrated Aqueous Metallurgy · SNTMOM/1281/2024 · Budget Released
- Lanthanum Aluminum Titanate Derived Thermal Barrier Coatings for Aerospace Propulsion · SNTMOM/1220/2024 · Approved with Modification
- Preparation of 99 percent pure nickel-cobalt alloy and Ferronickel 66Fe 31Ni from waste batteries and recovery of Rare Earth Elements in the form of oxides · SNTMOM/1162/2024 · Approved with Modification
- Development of Carbochlorination Process for the Recovery of Rare Earth Elements (REE) from End-of-Life NdFeB Magnets in a Fluidized Bed Reactor · SNTMOM/1110/2024 · Approved with Modification
- Pilot Plant Extraction of Rare Earth Elements (Scandium, Neodymium, and Europium) from KMML Titanium industrial waste · SNTMOM/1024/2023 · Approved with Modification
- Quantum Confinement Technology Powered Advanced High Throughput Hydrometallurgical Separation of the Rare Earths to Pilot TRL 5 to 7 · SNTMOM/1008/2023 · Approved with Modification
- Development of Eco-friendly molten salt extraction process for Nd and Pr and Establishment of 25-50 TPY Nd and Pr Metal Extraction Demonstration Plant (TRL7-8) for Rare Earth Magnet Production · SNTMOM/958/2023 · Approved with Modification
- DEVELOPMENT OF NOVEL HYDROMETALLURGICAL TECHNOLOGICAL PROCESS PACKAGE FOR EXTRACTION AND SEPARATION OF NIOBIUM, TANTALUM AND RARE EARTHS FROM COLUMBITE AND TIN SLAG · SNTMOM/513/2021 · Approved with Modification
- Polymerized Molecular Receptor as Solid Sorbents for Size-Selective Recognition and Separation of Rare Earth Elements. · SNTMOM/418/2021 · Approved with Modification
- Bio-electrochemical reclamation of titanium and other rare earth metals from red mud waste using a modified microbial fuel cell approach · SNTMOM/331/2020 · Approved with Modification
- Sustainable ion exchange resin-based technology for rare earth extraction · SNTMOM/330/2020 · Approved with Modification
- Design, Synthesis and Fabrication of Donor-Acceptor Based Fluorescent Sensing Organic-Nanomaterials and Devices for Detection and Quantification of Rare Earth Elements in Minerals · SNTMOM/171/2020 · Approved with Modification
- Red Mud Valorization to Achieve Zero Waste, Conversion of Residue Into Diagnostic X-Ray Shielding Tiles After Recovery of Scandium · SNTMOM/108/2020 · Approved with Modification
Patent families
- Method for recovering rare earth metals (rems) from phosphogypsum industrial wasteWO-2026120423-A1 · 2026 · Lohum
- Dialkyldiaza-tetraalkyloctane diamide derivatives useful for the separation of trivalent actinides from lanthanides and process for the preparation thereofWO-2011024184-A1 · 2011 · Sharma Joti Nath
- (no English title in the source record)IN-2012DN06572-A · 2015 · Sumitomo Metal Ind
- Rare earth recovery from phosphor material and associated methodUS-2012152062-A1 · 2012 · Gourishankar Karthick Vilapakkam
- (no English title in the source record)IN-2013CN06872-A · 2015 · Cognis Ip Man Gmbh
- (no English title in the source record)IN-2014DN10242-A · 2015 · Vale Sa
- (no English title in the source record)IN-2014MN01918-A · 2015 · Process Res Ortech Inc
- (no English title in the source record)IN-2015DN00599-A · 2015 · Obshchestvo S Ogranichennoy Otvetstvennostyu Obedinennaya Kompaniya Rusal Inzh T Ts
- Process of Solvent Extraction for Separation of Rare Earth Elements (REEs) Through Partial Reflux of Rare Earths in Solvent Based on Separation FactorUS-2018142320-A1 · 2018 · Indian Rare Earths Ltd (IREL)
- Method and system for separation of rare earth elements from secondary sourcesEP-3715482-A1 · 2020 · Tata Consultancy Services
- Method of conversion of combustion wastes and refuse derived fuel into value-added productsWO-2024147160-A1 · 2024 · Palicha Kaushik
- Process For Selective Recovery Of Rare Earth Elements(REEs) From Spent Neodymium Iron Boron(NdFeB) Magnets.WO-2024241335-A1 · 2024 · IIT Kharagpur
- A method for synthesis of rare-earth oxychloride and production of rare-earth metal/alloyWO-2025037328-A1 · 2025 · IIT Kharagpur
- A recycling system of scrap rare earth magnets sorting and conversion into usable magnets and a method of manufacturing the sameWO-2025186684-A1 · 2025 · Poovayal Nallasami
- A method for recovery of rare earth elements and base metals from magnet scrapWO-2025219857-A1 · 2025 · Attero Recycling
