4.
    发明专利
    未知

    公开(公告)号:DE69323118D1

    公开(公告)日:1999-03-04

    申请号:DE69323118

    申请日:1993-06-15

    Applicant: LUBRIZOL CORP

    Abstract: A lubricating oil composition providing less than 1% sulfated ash comprises an additive package of a carboxylic dispersant, a rust inhibiting mixture, a hydrocarbyl substituted phenol prepared without sulfur or chlorine, and a neutralized acid or phenol.

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