Method for purifying carbide

WO2026121233A1PCT designated stage Publication Date: 2026-06-11BRIDGESTONE CORP
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
BRIDGESTONE CORP
Filing Date
2025-12-02
Publication Date
2026-06-11

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Abstract

The present invention addresses the problem of providing a method for purifying a carbide, which makes it possible to obtain a carbide having a reduced ash content. The means for solving the problem is a method for purifying a carbide, comprising an acid treatment step of treating a surface of a carbide (A) with an acid having a concentration of 4 mol / L or more.
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