초록 ▼

is useful as an additive for a lubricating composition. Preferably X is --CHO or --CH.sub.2 OH, and Y is --CH.sub.2 -- or --CH.sub.2 OCH.sub.2 --. R.sup.1 is a hydrocarbyl group containing 1 to 60 carbon atoms and m is 0 to 10. At least one aromatic ring should contain an R.sup.1 substituent and the

is useful as an additive for a lubricating composition. Preferably X is --CHO or --CH.sub.2 OH, and Y is --CH.sub.2 -- or --CH.sub.2 OCH.sub.2 --. R.sup.1 is a hydrocarbyl group containing 1 to 60 carbon atoms and m is 0 to 10. At least one aromatic ring should contain an R.sup.1 substituent and the total number of carbon atoms in all R.sup.1 groups should be at least 7.

대표청구항 ▼

[ What is claimed is:] [1.]1. A composition comprising (A) a saligenin derivative represented by the formulawherein each X independently is --CHO, or --CH.sub.2 OH, each Y independently is --CH.sub.2 -- or --CH.sub.2 OCH.sub.2 --, and wherein such --CHO groups comprise at least about 10 mole percent

[ What is claimed is:] [1.]1. A composition comprising (A) a saligenin derivative represented by the formulawherein each X independently is --CHO, or --CH.sub.2 OH, each Y independently is --CH.sub.2 -- or --CH.sub.2 OCH.sub.2 --, and wherein such --CHO groups comprise at least about 10 mole percent of the X and Y groups;each M is independently hydrogen, ammonium, or a valence of a metal ion;each R.sup.1 is independently a hydrocarbyl group containing 1 to about 60 carbon atoms;m is 0 to about 10; andeach p is independently 0, 1, 2, or 3;provided that at least one aromatic ring contains an R.sup.1 substituent and that the total number of carbon atoms in all R.sup.1 groups is at least 7;further provided that if m is 1 or greater, then one of the X groups can be --H.