Abstract: The present invention is directed to a Zinc-free transmission oil composition for construction machinery comprising: (i) a major amount of an oil of lubricating viscosity, (ii) at least 0.25 wt. % of a dithiophosphorylated carboxylic acid compound, and (iii) a succinimide dispersant derived from a polyisobutylene group of 1200 molecular weight or less. Also provided is a method for lubricating the transmission of a construction machine comprising lubricating the transmission with a Zinc-free transmission oil composition comprising: (i) a major amount of an oil of lubricating viscosity, (ii) at least 0.25 wt. % of a dithiophosphorylated carboxylic acid compound, and a succinimide dispersant derived from a polyisobutylene group of 1200 molecular weight or less.

Abstract: Provided are a lubricant composition capable of reducing friction between sliding parts at least one of which contains an aluminum-based material in a lubrication section, and a method for lubricating an aluminum-based member with the composition. The lubricant composition is for use in a lubrication section having sliding parts at least one of which contains an aluminum-based material, and contains a lubricant base oil and at least one of a phosphorus-containing carboxylic compound and a metal salt thereof (component (A)) at 0.001 to 1 mass % of the composition in terms of phosphorus. The composition may suitably be used as lubricant such as drive train lubricant for automatic or manual transmissions, grease, wet brake oil, hydraulic actuation oil, turbine oil, compressor oil, bearing oil, refrigerant oil, and the like used in apparatus having the sliding parts.

Abstract: A Group IV/Group V lubricating composition providing improved antioxidation performance comprises from 5 wt. % to 40 wt. % of a Group V base oil component, such as alkylated naphthalene, at least 30 wt. % of a Group IV base oil component, such as one or more polyalphaolefin base stocks, and from 0.25 wt. % to 1.5 wt. % of a trithiophosphate-containing compound. The trithiophosphate-containing compound is preferably C30H57O7PS3. The lubricating composition includes not greater than 5 wt. % of a Group I, Group II, or Group III base oil component, and, preferably not greater than 10 ppm heavy metal component. The lubricating composition preferably has a kinematic viscosity of from 20 cSt to 1,000 cSt at 40° C. and a viscosity index (VI) of from 130 to 200.

Abstract: Provided are a lubricant composition capable of reducing friction between sliding parts at least one of which contains an aluminum-based material in a lubrication section, and a method for lubricating an aluminum-based member with the composition. The lubricant composition is for use in a lubrication section having sliding parts at least one of which contains an aluminum-based material, and contains a lubricant base oil and at least one of a phosphorus-containing carboxylic compound and a metal salt thereof (component (A)) at 0.001 to 1 mass % of the composition in terms of phosphorus. The composition may suitably be used as lubricant such as drive train lubricant for automatic or manual transmissions, grease, wet brake oil, hydraulic actuation oil, turbine oil, compressor oil, bearing oil, refrigerant oil, and the like used in apparatus having the sliding parts.

Abstract: The invention provides a lubricating composition containing an antiwear agent and an oil of lubricating viscosity. The invention further relates to the use of the lubricating composition in a mechanical device such as an internal combustion engine, or a driveline device.

Abstract: The present invention provides an additive composition comprising (a) at least one ash-containing phosphorus compound prepared by a primary or secondary alcohol or mixtures thereof, and (b) a salt of at least one hydrocarbylamine and at least one hydrocarbyl acid phosphate. Further, the present invention provides a lubricating composition comprising (a) at least one ash-containing phosphorus compound prepared by a primary or secondary alcohol or mixtures thereof, and (b) a salt of at least one hydrocarbylamine and at least one hydrocarbyl acid phosphate, and methods of use thereof.

Abstract: A Group IV/Group V lubricating composition providing improved antioxidation performance comprises from 5 wt. % to 40 wt. % of a Group V base oil component, such as alkylated naphthalene, at least 30 wt. % of a Group IV base oil component, such as one or more polyalphaolefin base stocks, and from 0.25 wt. % to 1.5 wt. % of a trithiophosphate-containing compound. The trithiophosphate-containing compound is preferably C30H57O7PS3. The lubricating composition includes not greater than 5 wt. % of a Group I, Group II, or Group III base oil component, and, preferably not greater than 10 ppm heavy metal component. The lubricating composition preferably has a kinematic viscosity of from 20 cSt to 1,000 cSt at 40° C. and a viscosity index (VI) of from 130 to 200.

Abstract: A magnetic recording medium comprising a lubricant film comprising a photosynthesized lubricant having a single phase composition of at least a lubricant moiety and an additive moiety is disclosed.

Abstract: The present disclosure relates to a lubricant composition comprising a first phosphorus compound, a second phosphorus compound, and a third phosphorus compound, wherein the first phosphorus compound is present in the lubricant composition in an amount to provide between about 120 and 350 ppm phosphorus. The lubricant composition may provide robust anti-wear and reduced pitting.

Abstract: The present invention provides a lubricating oil composition improved in fuel-saving properties by reducing lubrication resistance within the same viscosity grade oils. The lubricating oil composition comprises a lubricating base oil and a viscosity index improver with a PSSI of 30 or lower blended such that the viscosity index of the composition is 160 or greater and the 100° C. kinematic viscosity loss after shearing is 15 percent or less.

Abstract: There are provided hydraulic fluids comprising at least one phospholipid lubricant blended with one or more of a glycol, glycerol or a glycerol ester and having a water content of less than 10% by weight. Also provided are hydraulic systems and methods of using and manufacturing hydraulic fluids.

Abstract: A lubricant for food, beer or beverage container and container component stock is provided containing, as a conductivity enhancing additive, a phospholipid having a structure of Formula (I): wherein R1 and R2 are fully saturated fatty acyl radicals derived from saturated fatty acids containing from about 10 to 22 carbon atoms; and R3 is selected from the group consisting of choline, salts and mono-salts of Group I and II metals and fatty acid neutralized ethanolamine. Lubricant formulations are also described, comprising 0.5 to 50 wt % fatty acid ester of propylene glycol, 0.5 to 90 wt % petrolatum and 0.5 to 90 wt % mineral white oil. Finally, a lubricant for metalworking is described, containing as a load-bearing additive, a fatty acid monoester of propylene glycol as given by Formula (II): wherein n is from 7 to 21 and in which the acyl moiety is hydrogenated to maximize saturation.

Abstract: The present invention relates to a lubricating oil composition comprising lubricating oil base oil in combination with: (a) one or more substituted phenyl-naphthylamines; (b) one or more anti-wear additives, preferably ashless thiophosphates; and (c) an additional base oil component selected from bright stock oil, polyalkylene glycols (PAGs), alkyl naphtalenes, alkyl benzenes and natural and synthetic esters such as diesters and polyolesters, preferably bright stock oil. In another aspect the present invention provides the use of the lubricating oil composition to lubricate a combination of a gas turbine and a steam turbine.

Abstract: The present invention provides an additive composition comprising (a) at least one ash-containing phosphorus compound prepared by a primary or secondary alcohol or mixtures thereof, and (b) a salt of at least one hydrocarbylamine and at least one hydrocarbyl acid phosphate. Further, the present invention provides a lubricating composition comprising (a) at least one ash-containing phosphorus compound prepared by a primary or secondary alcohol or mixtures thereof, and (b) a salt of at least one hydrocarbylamine and at least one hydrocarbyl acid phosphate, and methods of use thereof.

Abstract: A lubricating oil and a lubricant additive composition suitable for use in marine gear applications, including the gears of two-cycle or four-cycle outboard marine engines or the gears of an outdrive of an inboard/outboard marine drivetrain. The lubricating oil and additive composition may exhibit improved water emulsification and wear properties.

Abstract: A lubricating oil composition with improved frictional and wear performance, especially when the ratio of polysulfides is controlled, wherein said composition comprises a major amount of an oil of lubricating viscosity, at least one alkali metal borate; at least one dihydrocarbyl polysulfide component comprising a mixture of sulfides and having at least 30% dihydrocarbyl tetrasulfide or higher sulfides; at least one non-acidic phosphorus component comprised of a trihydrocarbyl phosphite; at least one dihydrocarbyl dithiophosphate; and a phosphorus component comprising a dihydrocarbyl phosphite component is disclosed.

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: The present invention relates to a lubricating oil composition containing: (1) an antiwear package comprising: (a) a hydrocarbyl phosphate and amine salt thereof; and (b) an alkylene coupled adduct of a hydrocarbyl substituted dithiophosphoric acid and a &agr;,&bgr;-unsaturated carbonyl containing compound; (2) an antioxidant package comprising: (a) a hydrocarbyl diphenylamine; and (b) a sterically hindered phenol; (3) a metal deactivator; and (4) an oil of lubricating viscosity. The invention further relates to the process to make the lubricating oil composition and its use in industrial fluids especially hydraulic fluids.

Abstract: The invention relates to an engine oil composition is disclosed that meets FZG CEC IT-84/FVA 2434(A10/16.6R/90) of transportation gear oils, wherein FLS=10, which composition comprises a) An engine oil, b) A &bgr;-dithiophosphorylated Propionic Acids; and c) Other customary oil additives, Wherein component b) is about 2.0 to about 8.0% by weight, based on the weight of component a) plus component c).

Abstract: A lubricating oil composition is provided containing a major amount of a lubricating oil base oil and a minor amount of an additive combination containing

Abstract: An additive for imparting antiwear properties to a lubricant composition is based on a combination of (1) an organo borate ester composition and (2) one or more sulfur- or phosphorus-containing compounds or a non-sulfur molybdenum compound. The sulfur- or phosphorus-containing compounds are dithiocarbamate, bisdithiocarbamate, 1,3,4-diathiazole, phosphorodithioate, phosphorodithioate esters, and the molybdenum compound is prepared by reacting (a) about 1.0 mole of fatty oil having 12 or more carbon atoms, (b) about 1.0 to 2.5 moles diethanolamine and (c) a molybdenum source.

Abstract: The present invention relates to a lubricant composition exhibiting enhanced load-carrying capacity and oxidative/corrosion stability. The lubricant composition of the present invention comprises a major portion of an aliphatic ester base oil having lubrication properties and formed by the reaction of pentaerythritol and an organic carboxylic acid. The lubricant composition further comprises 3-(di-isobutoxy-thiophosphonylsulfanyl)-2-methyl-propionic acid (DITMPA) as an additive comprising from about 0.01 to about 0.40 weight percent of the fully formulated lubricating oil composition as well as yellow metal passivator comprising from about 0.01 to about 0.40 weight percent of the fully formulated lubricating oil composition. The enhanced load-carrying capacity and oxidative/corrosion stability of lubricant compositions containing DITMPA and yellow metal passivator is achieved without deleteriously affecting other salient properties of the lubricant.

Abstract: Lubricating oil composition comprising &bgr;-dithiophosphorylated propionic acid (A), triaryl phosphate (B) and base oil comprising mineral oil and/or synthetic oil.

Abstract: An industrial lubricant having wear prevention properties without sacrificing oxidation resistance comprises a major portion of a base oil; an effective amount of a sulfur and phosphorus antiwear compound and an effective amount of an anti-oxidant or mixture of antioxidants.

Abstract: The invention relates to improved compositions comprising thiophosphoric acid esters and dithiophosphoric acid esters or phosphoric acid thioesters and oil additives from the group of the polyol partial esters, amines and epoxides, and also to the use of those lubricant compositions in improving the performance properties of lubricants, such as greases, metal-working fluids, gear fluids or hydraulic fluids. Thiophosphoric acid esters and dithiophosphoric acid esters or phosphoric acid thioesters are present in the compositions preferably in a concentration of less than 400 ppm.

Abstract: An emulsion used to lubricate the surface of a steel sheet, comprising an additive corresponding to one of the following formulae: (R1-2—O—)1-2—PSS—(CH2)n—COO—(CH2)m—CH3, (R1-2—O—)1,2—PSS—CH2-&phgr;-O—H, (R1,2—O—)1,2—PSS—CH2-&phgr;-O—(CH2)n, —COO—(CH2)m, —CH3, where PSS designates a dithiophosphate function. The naked sheets of steel that are treated with said emulsion have very good tribological properties even when the density of the emulsion thus applied is less than or equal to 1 g/m2 when dry. The invention enables dry-looking oiled sheets to be obtained, whereby no re-oiling is required before forming even by die stamping.

Abstract: This invention relates to a composition, comprising:(A) at least one compound selected from the group consisting of(A-1) a compound represented by the formulaT.sup.1 T.sup.2 --P(X.sup.1)--(S).sub.n --S--C (X.sup.2)--L.sup.1(A-I)(A-2) a compound represented by the formulaT.sup.3 T.sup.4 --P(X.sup.3)--(S).sub.n --S--(DMTD)--S--J (A-II)(A-3) a compound represented by the formulaL.sup.2 --C(X.sup.4)--(S).sub.n --S--(DMTD)--S--G (A-III)and(A-4) mixture of two or more of (A-1), (A-2) and (A-3);wherein in Formulae (A-I), (A-II) and (A-III): (DMTD) is a dimercaptothiadiazole nucleus; J is H, SR, --S--P(X.sup.5)--T.sup.5 T.sup.6 or --S--C(X.sup.6)-L.sup.3G is H, SR or --S--C(X.sup.7)--L.sup.4T.sup.1, T.sup.2, T.sup.3, T.sup.4, T.sup.5 and T.sup.6 are independently R, SR or OR; L.sup.1, L.sup.2, L.sup.3 and L.sup.4 are independently R, SR, OR or NRR; X.sup.1, X.sup.2, X.sup.3, X.sup.4, X.sup.5, X.sup.6 and X.sup.7 are independently O or S; each R is independently a hydrocarbyl group; and n is 1 to 4.

Abstract: Disclosed is a metal working composition comprising a major amount of water and a minor amount of an additive comprising(A) at least one carboxylic ester characterized by the formula ##STR1## wherein R.sup.0 is hydrogen, methyl, ethyl, --CH.sub.2 COOR.sup.2 or --CH.sub.2 CO(OCHR.sup.5 CH.sub.2).sub.n OR.sup.6, R.sup.1 is hydrogen, methyl or ethyl, R.sup.2 is an alkyl group containing from 1 to 12 carbon atoms, R.sup.3 is hydrogen or --CO(OCHR.sup.5 CH.sub.2).sub.n OR.sup.6, R.sup.5 is hydrogen or a methyl group, R.sup.6 is an aliphatic group containing from 4 to 30 carbon atoms or a phenyl or aliphatic substituted phenyl group wherein the aliphatic substituent contains from 1 to 8 carbon atoms, R.sup.4 is --COOR.sup.2, or --CO(OCHR.sup.5 CH.sub.2).sub.n OR.sup.6 and n is an integer of from 1 to 30; with the proviso that when R.sup.0 does not equal hydrogen, methyl or ethyl that R.sup.1 and R.sup.

Abstract: A description is given of compositions comprisingA) a lubricant, a metalworking fluid or a hydraulic fluid, in particular a base oil from the group consisting of the mineral, vegetable and synthetic (for example poly-.alpha.-olefin or ester) oils;B) from 0.005 to 1.0% by weight of a compound of the formula ##STR1## in which R.sub.1 and R.sub.2 independently of one another are C.sub.3 -C.sub.18 alkyl, C.sub.5 -C.sub.12 cycloalkyl, C.sub.5 -C.sub.6 cycloalkylmethyl, C.sub.9 -C.sub.10 bicycloalkylmethyl, C.sub.9 -C.sub.10 tricycloalkylmethyl, phenyl or C.sub.7 -C.sub.24 alkylphenyl or together are (CH.sub.3).sub.2 C(CH.sub.2).sub.2, andR.sub.3 is hydrogen or methyl, and, if desired,C) other customary oil additives from the groups consisting of antioxidants, metal passivators, rust inhibitors, dispersants, detergents, viscosity index improvers, pour point depressants, antifoams, solid lubricants and further antiwear additives.

Abstract: Improved lubricating oil for high pressure polyethylene compressors contains white mineral oil or synthetic oil blended with oleic acid in an amount less than 15 wt %, and preferably 0.5-5 wt. %, an EP additive such as a phosphorus containing compound made by phosphating mono or diglycerides derived from vegetable oils and having one or two neutralized acid sites, and no more than 1.0 wt. %, and preferably no more than 0.1 wt. %, of an antioxidant of the phenolic type, and a polybutene viscosity builder in the amount necessary to achieve the expected or desired viscosity. The lubricating compressor oil according to the invention has improved lubricity and gives wear protection over the whole range of lubricating regimes including EP conditions.

Abstract: Functional fluids comprising an oil of lubricating viscosity, the reaction product of an amine and a sulfonic acid, and at least one sulfur-containing compound of the structure(RX).sub.3 P.dbd.Xwhere X is sulfur or oxygen exhibit good anti-rust and antiwear performance.