NITRILE SOLVENTS
    4.
    发明申请
    NITRILE SOLVENTS 审中-公开

    公开(公告)号:WO2022066969A1

    公开(公告)日:2022-03-31

    申请号:PCT/US2021/051836

    申请日:2021-09-23

    Abstract: A method of removing from a surface a solid sulfur-containing impurity composition comprising a sulfur-containing compound, the method comprising the step of dissolving sulfur-containing compound in the sulfur-containing impurity composition with a nitrile compound to form a treated sulfur-containing impurity composition comprising less than 99.5 wt% sulfur-containing compound, based on the total weight of the treated sulfur-containing impurity composition.

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