36.
    发明专利
    未知

    公开(公告)号:BRPI0611987A2

    公开(公告)日:2010-10-13

    申请号:BRPI0611987

    申请日:2006-06-13

    Applicant: LUBRIZOL CORP

    Abstract: A quaternary ammonium salt detergent made from the reaction product of the reaction of: (a) a hydrocarbyl substituted acylating agent and a compound having an oxygen or nitrogen atom capable of condensing with said acylating agent and further having a tertiary amino group; and (b) a quaternizing agent suitable for converting the tertiary amino group to a quaternary nitrogen and the use of such quaternary ammonium salt detergents in a fuel composition to reduce intake valve deposits.

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