Method for Producing Valuable Metal
Summary
The European Patent Office published patent EP4357470A1 for Sumitomo Metal Mining Co., Ltd., covering a method for producing valuable metals including battery recycling applications (H01M 10/54). The patent was published March 25, 2026, with inventor Yu YAMASHITA.
What changed
EPO published patent EP4357470A1 for Sumitomo Metal Mining Co., Ltd. (inventor Yu YAMASHITA) for a method of producing valuable metals. The patent covers processes under IPC classifications C22B (metallurgy) and H01M 10/54 (battery recycling), with designations across all EU member states and EPO contracting states.
Manufacturers in the mining, metals, or battery recycling sectors should review the patent claims to assess potential infringement risks or licensing opportunities. The patent designation covers AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, and TR.
Source document (simplified)
METHOD FOR PRODUCING VALUABLE METAL
Publication EP4357470A1 Kind: A1 Mar 25, 2026
Applicants
SUMITOMO METAL MINING CO., LTD.
Inventors
YAMASHITA, Yu
IPC Classifications
C22B 5/10 20060101AFI20250821BHEP C22B 7/00 20060101ALI20250821BHEP C22B 23/02 20060101ALI20250821BHEP C22B 1/02 20060101ALI20250821BHEP H01M 10/54 20060101ALI20250821BHEP
Designated States
AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR
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