Provided herein are compositions comprising at least one estolide compound of formula:

##STR00001##

in which n is an integer equal to or greater than 0; m is an integer equal to or greater than 1; R.sub.1, independently for each occurrence, is selected from optionally substituted alkyl that is saturated or unsaturated, and branched or unbranched; R.sub.2 is selected from hydrogen and optionally substituted alkyl that is saturated or unsaturated, and branched or unbranched; and R.sub.3 and R.sub.4, independently for each occurrence, are selected from optionally substituted alkyl that is saturated or unsaturated, and branched or unbranched. Also provided are uses of the compositions described herein.

This invention relates to malienated derivatives made from maleic anhydride, functionalized monomers, and one or more additional reagents, e.g., an oxygen-containing reagent (e.g., alcohol, polyol), a nitrogen-containing reagent (e.g., amine, polyamine, aminoalcohol), a metal and/or a metal compound. The invention relates to lubricants, functional fluids, fuels, dispersants, detergents and functional compositions (e.g., cleaning solutions, food compositions, etc.)

This invention relates to malienated derivatives made from maleic anhydride, functionalized monomers, and one or more additional reagents, e.g., an oxygen-containing reagent (e.g., alcohol, polyol), a nitrogen-containing reagent (e.g., amine, polyamine, aminoalcohol), a metal and/or a metal compound. The invention relates to lubricants, functional fluids, fuels, dispersants, detergents and functional compositions (e.g., cleaning solutions, food compositions, etc.)

There is provided a grease composition which is supplied between a plurality of lips provided in a sealing device that seals between a pair of members that rotate relative to each other, wherein the grease composition comprises a base oil (A), a thickening agent (B) and a rust preventive agent (C); a kinematic viscosity of the base oil (A) at 40? C. is 30 to 80 mm.sup.2/s; the thickening agent (B) is a diurea compound represented by Formula (1); and the composition comprises 5 to 15% by mass of the thickening agent (B) and 0.1 to 2.0% by mass of the rust preventive agent (C) based on the total of the grease composition.

R.sup.1NHCONHR.sup.2NHCONHR.sup.3(1)

wherein R.sup.2 is a divalent aromatic hydrocarbon group having 6 to 15 carbon atoms, and R.sup.1 and R.sup.3 are a linear or branched alkyl group having 8 to 22 carbon atoms.

Thus, a grease composition is provided, which can suppress a torque difference due to a rotation direction and exhibits excellent sealing properties.

There is provided a grease composition which is supplied between a plurality of lips provided in a sealing device that seals between a pair of members that rotate relative to each other, wherein the grease composition comprises a base oil (A), a thickening agent (B) and a rust preventive agent (C); a kinematic viscosity of the base oil (A) at 40? C. is 30 to 80 mm.sup.2/s; the thickening agent (B) is a diurea compound represented by Formula (1); and the composition comprises 5 to 15% by mass of the thickening agent (B) and 0.1 to 2.0% by mass of the rust preventive agent (C) based on the total of the grease composition.

R.sup.1NHCONHR.sup.2NHCONHR.sup.3(1)

wherein R.sup.2 is a divalent aromatic hydrocarbon group having 6 to 15 carbon atoms, and R.sup.1 and R.sup.3 are a linear or branched alkyl group having 8 to 22 carbon atoms.

Thus, a grease composition is provided, which can suppress a torque difference due to a rotation direction and exhibits excellent sealing properties.

The disclosed technology relates to lubricants for driveline and industrial gears containing a combination of viscosity modifiers along with optional esters, as well as a method of lubricating driveline and industrial gears with such a lubricant.

The disclosed technology relates to lubricants for driveline and industrial gears containing a combination of viscosity modifiers along with optional esters, as well as a method of lubricating driveline and industrial gears with such a lubricant.

An object of the present invention is to provide a lubricant base oil for power transmission (in particular, a lubricant base oil for traction drives) having a high traction coefficient and a high flash point. The present invention relates to a lubricant base oil for power transmission comprising an alicyclic dicarboxylic acid diester compound represented by general formula (1):

##STR00001##

wherein R.sup.1 to R.sup.5 are the same or different, and each represents hydrogen or linear or branched C.sub.1-4 alkyl, and two R.sup.1, two R.sup.2, two R.sup.3, two R.sup.4, and two R.sup.5 may respectively be the same or different; and ring A is

##STR00002##

wherein R represents C.sub.1-3 alkyl, and n represents 0, 1, or 2; when n represents 2, R may be the same or different.

An object of the present invention is to provide a lubricant base oil for power transmission (in particular, a lubricant base oil for traction drives) having a high traction coefficient and a high flash point. The present invention relates to a lubricant base oil for power transmission comprising an alicyclic dicarboxylic acid diester compound represented by general formula (1):

##STR00001##

wherein R.sup.1 to R.sup.5 are the same or different, and each represents hydrogen or linear or branched C.sub.1-4 alkyl, and two R.sup.1, two R.sup.2, two R.sup.3, two R.sup.4, and two R.sup.5 may respectively be the same or different; and ring A is

##STR00002##

wherein R represents C.sub.1-3 alkyl, and n represents 0, 1, or 2; when n represents 2, R may be the same or different.

The present invention relates to novel uses of corrosion inhibitors in fuels and lubricants.