Abstract: In accordance with the disclosure, one aspect of the present application is directed to a lubricant additive composition. The lubricant additive composition includes a component or mixture of components selected from (a) an aminoalkylphosphonic acid dialkyl ester; (b) a cyclized product of an aminoalkylphosphonic acid dialkyl ester; and a mixture of (a) and (b). Preparation and use of the additive composition in a lubricant for antiwear and/or friction reduction are also disclosed.

Abstract: In accordance with the disclosure, one aspect of the present application is directed to a lubricant additive composition. The lubricant additive composition includes a component or mixture of components selected from (a) an aminoalkylphosphonic acid dialkyl ester; (b) a cyclized product of an aminoalkylphosphonic acid dialkyl ester; and a mixture of (a) and (b). Preparation and use of the additive composition in a lubricant for antiwear and/or friction reduction are also disclosed.

Abstract: In accordance with the disclosure, one aspect of the present application is directed to a lubricant additive composition. The lubricant additive composition includes a component or mixture of components selected from (a) an aminoalkylphosphonic acid dialkyl ester; (b) a cyclized product of an aminoalkylphosphonic acid dialkyl ester; and a mixture of (a) and (b). Preparation and use of the additive composition in a lubricant for antiwear and/or friction reduction are also disclosed.

Abstract: A slideway lubricating oil composition, additive concentrate, method of lubricating sliding parts. The lubricating oil includes a base oil; a metal-free friction modifier; and a metal-free, sulfur-free, phosphorus containing anti-wear/extreme pressure agent. The lubricating oil provides a lower coefficient of friction for non-metal sliding surfaces than for metal sliding surfaces.

Abstract: A slideway lubricating oil composition, additive concentrate, method of lubricating sliding parts. The lubricating oil includes a base oil; a metal-free friction modifier; and a metal-free, sulfur-free, phosphorus containing anti-wear/extreme pressure agent. The lubricating oil provides a lower coefficient of friction for non-metal sliding surfaces than for metal sliding surfaces.

Abstract: A slideway lubricating oil composition, additive concentrate, method of lubricating sliding parts. The lubricating oil includes a base oil; a metal-free friction modifier; and a metal-free, sulfur-free, phosphorus containing anti-wear/extreme pressure agent. The lubricating oil provides a lower coefficient of friction for non-metal sliding surfaces than for metal sliding surfaces.

Abstract: In accordance with the disclosure, one aspect of the present application is directed to a lubricant additive composition. The lubricant additive composition includes a component or mixture of components selected from (a) an aminoalkylphosphonic acid dialkyl ester; (b) a cyclized product of an aminoalkylphosphonic acid dialkyl ester; and a mixture of (a) and (b). Preparation and use of the additive composition in a lubricant for antiwear and/or friction reduction are also disclosed.

Abstract: A lubricant composition that is particularly suited for use in steam and gas turbine oils and in circulating oils has a balance of excellent oxidative stability and reduced sludge formation and comprises a blended mixture of alkylated phenyl-?-naphthylamine and at least oil soluble triazole or triazole derivative in an oil of lubricating viscosity, such compositions being capable of a residual RPVOT of 25% after at least 500 hours test duration test duration 120° C. in Dry TOST test or, alternatively 50% after 700 hours or 25% after 1000 hours.

Abstract: There is disclosed a lubricating composition comprising a friction modifier and a base oil comprising less than about 3% by weight of tetracycloparaffins. Methods of making and using the composition are also disclosed.

Abstract: Lubricant compositions having improved load carrying capacity comprising an extreme pressure compound comprising a sulfur-containing compound, a load carrying capacity enhancing combination comprising a hydrocarbylamine compound and an alkylphosphorothioate compound, a friction modifier compound, and a diluent or base oil as applicable. These lubricant compositions can be used as industrial oils well-suited for the demands of geared device applications, such as in wind turbine gear-boxes and automotive gears and axles.

Abstract: There is disclosed a lubricant additive composition comprising a thermally stable, zinc-free, phosphorous-containing antiwear agent. Moreover, a lubricant composition comprising the disclosed additive composition is also disclosed. Methods for making and using the disclosed compositions are disclosed.

Abstract: A slideway lubricating oil composition, additive concentrate, method of lubricating sliding parts. The lubricating oil includes a base oil; a metal-free friction modifier; and a metal-free, sulfur-free, phosphorus containing anti-wear/extreme pressure agent. The lubricating oil provides a lower coefficient of friction for non-metal sliding surfaces than for metal sliding surfaces.

Abstract: A gas turbine lubricating composition comprises a first lubricating composition and a delivery system for delivering at least one additive to said first lubricating composition in a controlled, time-release manner, thereby converting said first lubricating composition to a second lubricating composition, different from said first lubricating composition. In one embodiment, the delivery system comprises a controlled release gel. A method of lubricating a gas turbine using such lubricating composition is also disclosed.

Abstract: Lubricant compositions having improved anticorrosion performance comprising an extreme pressure compound comprising a sulfur-containing compound, an antiwear compound comprising a phosphorous-containing compound, an alkylene amine friction modifying compound, a dispersant compound containing basic nitrogen, and a diluent or base oil as applicable, wherein any of compounds other than the diluent or base oil can be the same or different compounds. These lubricant compositions provide improved anticorrosion resistance and fatigue performance, which prolongs service lives of lubricated parts, especially those used in outdoor applications.

Abstract: A food grade lubricant composition and method of lubricating food processing machinery. The food grade lubricant composition includes a major amount of food grade base oil and a minor amount of at least one additive composition. The additive composition includes one or more non-sludge promoting wear reducing agents. An advantage of the lubricant composition is that it may exhibit lower sludge formation tendencies than a lubricant composition containing a conventional wear reducing agent.

Abstract: There is disclosed a lubricating composition comprising a friction modifier and a base oil comprising less than about 3% by weight of tetracycloparaffins. Methods of making and using the composition are also disclosed.

Abstract: Hydraulic or industrial functional fluids which exhibit excellent demulse performance are prepared comprising at least one oil-soluble polyoxypropylene glycol monoalkyl ether.

Abstract: Use of at least one friction modifier to reduce micropitting of a metal surface, which comprises lubricating the metal surface with a lubricant composition comprising the at least one friction modifier, wherein the at least one friction modifier is selected such that micropitting is reduced when the metal surface is so lubricated.

Abstract: Hydraulic fluid compositions and additive concentrates are described that provide improved wet filtrability. The additive components comprise a mixture formed from at least (a) a zinc dihydrocarbyl dithiophosphate anti-wear agent, (b) a succinimide compound, and optionally (c) one or more alkali metal or alkaline earth metal-containing detergents.

Abstract: Novel zinc additives are provided which function as antioxidants and extreme pressure agents for lubricants and possess high thermal stability. In addition, they exhibit good filterability performance and good corrosion resistance. The zinc-containing additives are formed by admixing (i) at least one zinc dialkyldithiophosphate wherein each alkyl group contains 6 to 12 carbon atoms and is branched on its beta-carbon atom, and (ii) at least one zinc alkanoate wherein each alkanoate group is branched on its beta-carbon atom, in a ratio of 6.0 to 8.0 equivalents of (i) per equivalent of (ii).