78.
    发明专利
    未知

    公开(公告)号:DE69504231T2

    公开(公告)日:1999-04-22

    申请号:DE69504231

    申请日:1995-04-24

    Applicant: LUBRIZOL CORP

    Inventor: DENIS RICHARD A

    Abstract: A metal salt or boron compound of a hydrocarbyl-substituted aromatic hydroxy compound having at least two hydroxy-substituted aromatic rings bridged by sulfur, where at least one aromatic ring bears a substituent ortho to a hydroxy group, provides a useful lubricant additive. The substituent on the aromatic ring is an alpha -hydroxy aliphatic hydrocarbyl group or a -C(O)R group, where R is hydrogen or aliphatic hydrocarbyl. Preferred salts are magnesium.

    79.
    发明专利
    未知

    公开(公告)号:DE69504231D1

    公开(公告)日:1998-10-01

    申请号:DE69504231

    申请日:1995-04-24

    Applicant: LUBRIZOL CORP

    Inventor: DENIS RICHARD A

    Abstract: A metal salt or boron compound of a hydrocarbyl-substituted aromatic hydroxy compound having at least two hydroxy-substituted aromatic rings bridged by sulfur, where at least one aromatic ring bears a substituent ortho to a hydroxy group, provides a useful lubricant additive. The substituent on the aromatic ring is an alpha -hydroxy aliphatic hydrocarbyl group or a -C(O)R group, where R is hydrogen or aliphatic hydrocarbyl. Preferred salts are magnesium.

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