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Patents Acquired Between 1994-2013

Last Updated - 23rd March 2022
Abstracts
Title
Patent ID
Filing Year
Patent Country
Battery Chemistry
Process
Patent Type
Assignee
Recovery Of Valuable Metal From Active Material Of Positive Electrode For Lithium Ion Secondary Battery
JP1998287864
1997
Japan
General LiB
Mechanical Processing | Hydrometallurgical Processing
Invention
Nippon Chem Ind Co Ltd
Method For Recycling Positive Electrode Active Material From Lithium Ion Secondary Battery
JP2000015216
1998
Japan
General LiB
Mechanical Processing | Hydrometallurgical Processing
Invention
Toshiba Corp
LITHIUM RECOVERY AND PURIFICATION
WO1998059385
1998
WIPO
General LiB
Direct Recovery
Invention
PACIFIC LITHIUM LIMITED
Recycling Method Of Positive Electrode For Lithium Ion Secondary Battery
JP2000231941
1999
Japan
General LiB
Pyrometallurgical Processing
Invention
Toyota Motor Corporation
Procedure for the recycling of cathode masses of used lithium batteries
EP1056146
2000
Europe
General LiB
Mechanical Processing | Hydrometallurgical Processing | Pyrometallurgical Processing
Invention
Merck Patent Gmbh
METHOD FOR CRUSHING CELL
WO2000019557
2000
WIPO
General LiB
Mechanical Processing | Pyrometallurgical Processing
Invention
MITSUBISHI HEAVY INDUSTRIES
Stabilized lithium electrochemical cells containing an alkoxy silane
US6416906B1
2000
USA
General LiB
Direct Recovery
Retriev Technologies Inc
Recovery Method For Lithium Cobaltate
JP2003272720
2002
Japan
Cobalt Chemistries
Pyrometallurgical Processing | Hydrometallurgical Processing
Invention
Japan Science & Technology Corp
Recycling Method Of Waste Lithium Ion Battery
KR1020030070468
2002
South Korea
General LiB
Mechanical Processing | Pyrometallurgical Processing
Invention
Korea Institute Of Geoscience And Mineral Resources
Method for recovery of lithium from used lithium ion cell with ion sieve
CN1451771
2003
China
General LiB
Hydrometallurgical Processing
Invention
Wuhan Sci. & Engrg. Univ.
Recovery Method Of Metal From Waste Secondary Battery
JP2005149889
2003
Japan
General LiB
Hydrometallurgical Processing | Direct Recovery
Invention
Ind Technol Res Inst
Recovery Method Of Cobalt
JP2005042189
2003
Japan
Cobalt Chemistries
Mechanical Processing | Hydrometallurgical Processing | Pyrometallurgical Processing
Invention
Ise Chemicals Corp
Recovery method for leftover and residue of positive electrode of lithium ion battery
CN1453897
2003
China
General LiB
Mechanical Processing | Hydrometallurgical Processing | Pyrometallurgical Processing
Invention
Nankai Univ.
High Temperature Treatment Method For Concentrating Valuable Metal From Waste Lithium Ion Battery
KR1020030024430
2003
South Korea
General LiB
Mechanical Processing | Pyrometallurgical Processing
Invention
Korea Institute Of Geoscience And Mineral Resources
System and method for removing an electrolyte from an energy storage and/or conversion device using a supercritical fluid
US20030186110A1
2003
USA
General LiB
Direct Recovery
Utility Model
Ecobat Resources Indiana LLC
Recovery Method Of Valuable Metal From Waste Lithium Ion Secondary Battery By Separation Of Aluminium, Repulping, Two-Stepped Neutralization And Solvent Extraction
KR1020050112487
2004
South Korea
General LiB
Hydrometallurgical Processing
Invention
Gkm Co., Ltd
Method Of Separating And Collecting Lithium Ion Secondary Battery Cathode Activator
JP2005327482
2004
Japan
General LiB
Hydrometallurgical Processing
Invention
Sumitomo Metal Mining Co
Recovery Method Of Cobalt Compound From Positive Electrode Material Of Waste Lithium Ion Secondary Battery
KR1020060019034
2004
South Korea
Cobalt Chemistries
Hydrometallurgical Processing
Invention
Town Mining Co., Ltd (Tmc)
Method for the mixed recycling of lithium-based anode batteries and cells
WO2005101564A1
2004
WIPO
General LiB
Hydrometallurgical Processing
Invention
Recupyl
Recovery and treatment method for wasted lithium ion cell
CN1601805
2004
China
General LiB
Mechanical Processing | Hydrometallurgical Processing
Invention
Huanan Techer's Univ
Method for regenerating cathode material of waste lithium ion secondary battery
CN1585187
2004
China
General LiB
Mechanical Processing | Pyrometallurgical Processing
Invention
Nankai Univ.
System and method for processing an end-of-life or reduced performance energy storage and/or conversion using a supercritical fluid
US20050244704A1
2004
USA
General LiB
Direct Recovery
Utility Model
Ecobat Resources Indiana LLC
METHOD OF RECOVERING COBALT FROM LITHIUM ION BATTERY AND COBALT RECOVERING SYSTEM
WO2004062023
2004
WIPO
Cobalt Chemistries
Direct Recovery
Invention
MITSUI MINING & SMELTING CO., LTD
Recovering method for lithium ion secondary battery positive defective material
CN1585180
2004
China
General LiB
Pyrometallurgical Processing
Invention
Nankai Univ.
Battery recycling
US7169206B2
2005
USA
Manganese Chemistries
Pyrometallurgical Processing
Utility Model
Umicore
Valuable Metal Recovery Method From Lithium Ion Battery
JP2007122885
2005
Japan
General LiB
Dismantling | Mechanical Processing | Hydrometallurgical Processing
Invention
Sumitomo Metal Mining Co
Recovery Method Of Valuable Metal By Pulverizing Waste Lithium Ion Battery And Scarp Of Lithium Ion Battery, Mixing It With Calcium Oxide-Based Solvent,Melting It, Maintaining It Under Low Oxygen Partial Pressure Condition, And Naturally Cooling It
KR1020070046990
2005
South Korea
General LiB
Mechanical Processing | Pyrometallurgical Processing
Invention
Recytech Korea Co.
Process for preparing lithium ion cathode material
US7829223B1
2005
USA
General LiB
Other Processes
Retriev Technologies Inc;
Process of produceing superfine cobalt powder with circulation technology and its apparatus
WO2007071108A1
2005
WIPO
General LiB
Other Processes
Shenzhen Gem High-Tech Co Ltd; Jingmen Gem New Material Co., Ltd.
METHOD OF RECOVERING VALUABLE SUBSTANCE FROM LITHIUM SECONDARY BATTERY, AND RECOVERY APPARATUS THEREFOR
WO2007088617
2006
WIPO
General LiB
Dismantling | Pyrometallurgical Processing
Invention
KAWASAKI PLANT SYSTEMS KABUSHIKI KAISHA
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