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METAL COMPOUNDS OF CALIXARENES, DETERGENT COMPOSITIONS CONTAINING THEM AND USE THEREOF IN LUBRICANT COMPOSITIONS
申请号	US15751506	申请日	2016-08-10	公开(公告)号	US20180237375A1	公开(公告)日	2018-08-23
申请人	Eni S.p.A.;			发明人	Marcello NOTARI; Alberto ROSELLI; Alessandro CASNATI; Francesco SANSONE; Alessandro BURLINI;
摘要	The present invention relates to a metal compound of calixarene not containing sulfur and dispersible in oil, which can be partially salified, or neutral, or basic or overbased, said calixarene having general formula (I) in which: a) R1, R2, R3 and R4 are independently selected from hydrogen, or a group containing carbon and hydrogen, or a group containing in addition to carbon and hydrogen also heteroatoms, provided that said heteroatoms are not sulfur; b) one of the two substituents R5 and R6 is hydrogen, while the other may be selected from hydrogen, or a linear or branched alkyl with a number of carbon atoms between 1 and 6, preferably methyl, ethyl, 1-propyl, 2-propyl, n-butyl, sec-butyl, more preferably methyl or ethyl; c) n is the number of units of the calixarene ring and is comprised in the range between 4 and 16, preferably between 5 and 12; said calixarene being characterized in that in at least one of the n units of the calixarene ring, at least one of the substituents R1, R2, R3 and R4 contains at least one acid group of carboxylic type available for the reaction with a metal base, with the proviso that said acid group of carboxylic type is not contained in a unit of the calixarene ring derived from salicylic acid.
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METAL COMPOUNDS OF CALIXARENES, DETERGENT COMPOSITIONS CONTAINING THEM AND USE THEREOF IN LUBRICANT COMPOSITIONS

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