Description
Class C22B : PRODUCTION OR REFINING OF METALS
Subclass 1/02: Preliminary treatment of ores or scrap Roasting processes (C22B 1/16 takes precedence)
C22B 1/02
Sub-Class
Stats
- 93 US PATENTS IN FORCE
- 74 US APPLICATIONS PENDING
- 32 Total Patent Owners
- 573 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12195826 | Mixed rare earth concentrate mineral and suspended mineral phase transformation-clean leaching system and method thereof | Sep 08, 23 | Jan 14, 25 | Northeastern University |
| 12163204 | Method for producing aqueous solution containing nickel, cobalt and manganese | Sep 22, 23 | Dec 10, 24 | KOREA ZINC CO., LTD.; KEMCO; |
| 12157928 | Process for recovering non-ferrous metals from industrial mineral residues | Jun 28, 19 | Dec 03, 24 | VITO NV |
| 12136713 | Battery recycling | May 06, 21 | Nov 05, 24 | FORM ENERGY, INC. |
| 12136714 | Method for selectively extracting lithium from retired battery and application of method | Jun 06, 22 | Nov 05, 24 | GUANGDONG BRUNP RECYCLING TECHNOLOGY CO., LTD.; Hunan Brunp Recycling Technology Co. Ltd.; HUNAN BRUNP EV RECYCLING CO., LTD.; |
| 12123074 | Method for dissolving lithium compound, method for manufacturing lithium carbonate, and method for recovering lithium from lithium ion secondary cell scrap | May 11, 23 | Oct 22, 24 | JX METALS CIRCULAR SOLUTIONS CO., LTD. |
| 12113187 | Method for recovering valuable metals from spent lithium ion batteries | Oct 31, 23 | Oct 08, 24 | GEM CO., LTD.; JINGMEN GEM CO., LTD.; |
| 12107245 | Method for recycling lithium iron phosphate waste battery | Sep 28, 22 | Oct 01, 24 | GUANGDONG BRUNP RECYCLING TECHNOLOGY CO., LTD.; Hunan Brunp Recycling Technology Co. Ltd.; |
| 12071676 | Sealing system for a machine for thermal treatment of bulk material | May 28, 20 | Aug 27, 24 | Metso USA Inc. |
| 12043882 | Method for safely oxidizing and roasting neodymium-iron-boron powder and application thereof | Dec 30, 21 | Jul 23, 24 | GUANGDONG BRUNP RECYCLING TECHNOLOGY CO., LTD.; Hunan Brunp Recycling Technology Co. Ltd.; HUNAN BRUNP VEHICLES RECYCLING CO., LTD.; |
| 12018346 | Method for extracting valuable metal from low-matte nickel converter slag | Jun 06, 22 | Jun 25, 24 | GUANGDONG BRUNP RECYCLING TECHNOLOGY CO., LTD.; Hunan Brunp Recycling Technology Co. Ltd.; HUNAN BRUNP EV RECYCLING CO., LTD.; |
| 11959152 | Method for clean metallurgy of molybdenum | Apr 26, 19 | Apr 16, 24 | Central South University |
| 11961980 | Lithium ion battery scrap treatment method | Mar 29, 18 | Apr 16, 24 | JX Metals Corporation |
| 11945728 | Process for obtaining vanadium oxide from a gasifier slag field | Apr 03, 19 | Apr 02, 24 | Reliance Industries Limited |
| 11939645 | Method for extracting lithium from carbonate clay type lithium ore based on ion exchange | Apr 03, 20 | Mar 26, 24 | Institute of Geochemistry, Chinese Academy of Sciences |
| 11920213 | Method for recycling battery by incomplete extraction | Apr 30, 21 | Mar 05, 24 | GUANGDONG BRUNP RECYCLING TECHNOLOGY CO., LTD.; HUNAN BRUNP RECYCLING TECHNOLOGY CO., LTD.; HUNAN BRUNP EV RECYCLING CO., LTD.; |
| 11891677 | Additive for reducing the roasting temperature of fluxed magnetite pellets and a method of using it | Dec 06, 22 | Feb 06, 24 | NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY |
| 11866803 | Treatment system and method for deep utilization of dolomite resources | Nov 30, 22 | Jan 09, 24 | Central South University |
| 11851729 | Method for recovering valuable metal | Jun 21, 21 | Dec 26, 23 | Sumitomo Metal Mining Co. Ltd. |
| 11821054 | Method for recovering valuable elements from precombustion coal-based materials | Mar 27, 20 | Nov 21, 23 | University of Kentucky Research Foundation |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0115,976 | METHOD OF RECYCLING MIXED ALLOY SCRAP PARTS | Oct 05, 23 | Apr 10, 25 | Ford Global Technologies, LLC |
| 2025/0112,287 | METHOD FOR PREPARING BATTERIES TO BE RECYCLED AND PROCESSING PLANT | Dec 19, 22 | Apr 03, 25 | Not available |
| 2025/0105,386 | HEAT TREATMENT METHOD FOR LITHIUM ION BATTERY WASTE | Oct 04, 22 | Mar 27, 25 | JX METALS CIRCULAR SOLUTIONS CO., LTD. |
| 2025/0074,777 | METHODS FOR PREPARING TWO-DIMENSIONAL SHEET-LIKE Li4SiO4 ADSORBENTS USING ATTAPULGITE AND WASTE LITHIUM BATTERIES | Nov 19, 24 | Mar 06, 25 | CHANGZHOU UNIVERSITY |
| 2025/0066,871 | METHOD FOR PREPARING NICKEL SULFATE AQUEOUS SOLUTION FROM NICKEL-CONTAINING RAW MATERIAL | Aug 22, 24 | Feb 27, 25 | Not available |
| 2025/0066,875 | ALL-IN-ONE NICKEL RECOVERING METHOD FOR NICKEL RECOVERY FROM RAW MATERIALS CONTAINING NICKEL | Aug 22, 24 | Feb 27, 25 | Not available |
| 2025/0066,876 | ALL-IN-ONE NICKEL RECOVERING METHOD FOR RECOVERY OF NICKEL OXIDE FROM RAW MATERIALS CONTAINING NICKEL | Aug 22, 24 | Feb 27, 25 | Not available |
| 2025/0066,877 | ALL-IN-ONE NICKEL RECOVERING METHOD FOR NICKEL HYDROXIDE RECOVERY FROM RAW MATERIALS CONTAINING NICKEL | Aug 22, 24 | Feb 27, 25 | Not available |
| 2025/0066,878 | ALL-IN-ONE NICKEL RECOVERING METHOD FOR NICKEL METAL RECOVERY FROM RAW MATERIALS CONTAINING NICKEL | Aug 22, 24 | Feb 27, 25 | Not available |
| 2025/0070,290 | IMPURITY CONTROL IN LITHIUM-ION BATTERY RECYCLING | Aug 24, 23 | Feb 27, 25 | Not available |
| 2025/0070,296 | LITHIUM-ION BATTERY RECYCLING METHOD | Apr 05, 23 | Feb 27, 25 | NOVOCYCLE TEKNOLOJI SANAYI TICARET ANONIM SIRKETI |
| 2025/0059,624 | RECOVERY METHOD OF LITHIUM ION | Dec 15, 22 | Feb 20, 25 | POSCO Co., Ltd; RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY; |
| 2025/0059,623 | Geothermally Powered Hydrometallurgical Zinc Production | Aug 15, 23 | Feb 20, 25 | Not available |
| 2025/0062,432 | RECYCLING METHOD FOR WASTE LITHIUM ION SECONDARY BATTERIES AND ELECTRODE RAW MATERIALS OBTAINED THEREFROM | Mar 05, 24 | Feb 20, 25 | Not available |
| 2025/0052,497 | Arrangement for Heating a Process Gas of an Iron Ore Pelletizing Plant | Feb 15, 23 | Feb 13, 25 | Not available |
| 2025/0043,382 | METAL LEACHING METHOD | Oct 05, 22 | Feb 06, 25 | JX Advanced Metals Corporation |
| 2025/0043,386 | METHOD FOR RECOVERING METALS FROM LITHIUM ION BATTERY WASTE | Dec 26, 22 | Feb 06, 25 | JX Metals Corporation |
| 2025/0034,676 | OXIDATIVE AND REDUCTIVE LEACHING METHODS | Dec 06, 22 | Jan 30, 25 | BASF SE |
| 2025/0033,993 | RECYCLED POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD OF PRODUCING THE SAME, AND SECONDARY BATTERY INCLUDING THE SAME | Jun 26, 23 | Jan 30, 25 | Not available |
| 2025/0038,287 | METHOD FOR REMOVING IMPURITY AND RECOVERING HIGH-CONCENTRATION LITHIUM AQUEOUS SOLUTION FROM WASTE BATTERY MATERIAL AND WASTE CATHODE ACTIVE MATERIALS | Nov 14, 23 | Jan 30, 25 | ECOPRO MATERIALS CO., LTD. |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 28 Months (last 2 years Issuances)
- 28 Months (last 5 years Issuances)