75.
    发明专利
    未知

    公开(公告)号:BR9401062A

    公开(公告)日:1994-12-27

    申请号:BR9401062

    申请日:1994-05-12

    Applicant: LUBRIZOL CORP

    Abstract: A composition comprising at least one compound of the general formula wherein each Ar is independently an aromatic group having from 4 to about 30 carbon atoms and from 0 to 3 optional substituents selected from the group consisting of amino, hydroxy- or alkyl- polyoxyalkyl, nitro, aminoalkyl, carboxy or combinations of two or more of said optional substituents, each R is independently a hydrocarbyl group, R is H or a hydrocarbyl group, R and R are each, independently, H or a hydrocarbyl group, R is a monovalent terminating group, each m is independently 0 or an integer ranging from 1 to about 10, x ranges from 0 to about 8, and each Z is independently OH, lower alkoxy, (OR )bOR or O wherein each R is independently a divalent hydrocarbyl group, R is H or hydrocarbyl and b is a number ranging from 1 to about 30 and c ranges from 1 to about 3, y is a number ranging from 1 to about 10 and wherein the sum m + c does not exceed the number of valences of the corresponding Ar available for substitution and at least one A is a group characterized by the formula wherein R , R , R and R are each independently H, hydroxyhydrocarbyl or hydrocarbyl groups, X is O, S or NR wherein R is H, hydrocarbyl, hydroxyhydrocarbyl, aminohydrocarbyl or a group of the formula wherein each Y is a group of the formula or -R O- each R is a divalent hydrocarbyl group, each R is H, alkoxyalkyl, hydroxyalkyl, a hydrocarbyl group, an aminohydrocarbyl group, or an N-alkoxyalkyl- or hydroxyalkyl- substituted aminohydrocarbyl group, a is 0 or a number ranging from 1 to about 100 and D is a group of the formula In one embodiment, (I) is present in fuel compositions. In another embodiment it is used in lubricating oil compositions.

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