Abstract: Use of an additive selected from nitrate compounds, peroxide compounds, nitrite compounds and polyether compounds, and mixtures thereof in a diesel fuel composition for reducing the build-up of deposits in an Exhaust Gas Recirculation (EGR) system of a compression ignition internal combustion engine.

Abstract: The invention provides a lubricant composition comprising an oil of lubricating viscosity and 0.01 wt % to 15 wt % of a protic acid salt of an N-hydrocarbyl-substituted gamma- (?-) or delta- (?-)amino(thio)ester. The invention further relates to a method of lubricating a mechanical device with the lubricant composition.

Abstract: A lubricant for a magnetic recording medium including an ionic liquid including a Bronsted acid and a Bronsted base that is primary amine as constituents of the ionic liquid, wherein the Bronsted acid includes a fluorine-containing chain, the Bronsted base includes a fluorine-containing chain that is a perfluoroalkyl chain or a perfluoropolyether chain, wherein the fluorine-containing chain in the Bronsted acid is a perfluoropolyether chain or the fluorine-containing chain in the Bronsted base is the perfluoropolyether chain, or the fluorine-containing chain in the Bronsted acid is the perfluoropolyether chain and the fluorine-containing chain in the Bronsted base is the perfluoropolyether chain, and a number average molecular weight of the fluorine-containing chain in the Bronsted acid is 1,500 or less.

Abstract: A working fluid composition for a refrigerating machine comprises a refrigerant comprising monofluoroethane and a refrigerating machine oil comprising, as a base oil, at least one selected from a mineral oil having % CN in an n-d-M ring analysis of 10 to 60 and a pour point of ?15° C. or lower and a synthetic hydrocarbon oil having a pour point of ?15° C. or lower, and the refrigerating machine oil having a kinematic viscosity at 40° C. of 3 to 500 mm2/s.

Abstract: A composition including an ionic liquid alkylammonium salt (e.g., tetraalkylammonium cation and bis(2-ethylhexyl)phosphate anion), or an ionic liquid imidazolium salt (e.g., 1,3-dialkylimidazolium cation and bis(2-ethylhexyl)phosphate anion), that have a structure sufficient to exhibit at least partial solubility in one or more Group I-V base stocks. The disclosure also relates to a lubricating oil base stock and lubricating oil containing the composition, a multifunctional functional fluid containing the composition, and a method for improving solubility of an ionic liquid in a lubricating oil by using as the lubricating oil a formulated oil including a lubricating oil base stock as a major component, and an ionic liquid alkylammonium salt cobase stock, or an ionic liquid imidazolium salt cobase stock, as a minor component.

Abstract: The invention relates to an additive composition, which comprises an additive mixture that essentially consists of a) At least one ammonium phosphate ester; b) At least one thiophosphoric acid ester, and c) At least one dithiophosphoric acid derivative; in combination with sulphur containing oil additives; and a process for the reduction of wear in combustion engines, such as spark ignition or Diesel motor engines.

Abstract: Provided is a lubricating oil additive which is able to impart friction adjusting performance and rust preventing performance which are essential for practical use of a lubricant composed of an ionic liquid, and is dissolved or dispersed in the ionic liquid even when blended with the ionic liquid, and thus, does not inhibit performances as a base oil of the ionic liquid. The present invention relates to a synthetic lubricant including a fluorine atom-containing ionic liquid (A) as a main component, wherein the synthetic lubricant contains an imidazolium phosphate ester salt (B).

Abstract: The present invention relates to a lubricating composition, particularly marine diesel engine lubricating compositions, comprising: (a) an oil of lubricating viscosity; (b) an asphaltene dispersant comprising a cyclic headgroup that contains a nitrogen atom and at least one other heteroatom; and (c) a detergent derived from an alkyl phenol. The invention further provides methods of using such compositions in the operation of engine, particularly marine diesel engines.

Abstract: Disclosed are aminomethyl-substituted imidazole compounds and their use as friction modifiers in lubricating oils. Also disclosed is a process for preparing the aminomethyl-substituted imidazole compounds. A further aspect is directed to a lubricating oil composition and a lubricating oil additive concentrate having the aminomethyl-substituted imidazole compounds of the present invention.

Abstract: Provided are an anti-wear agent comprising a heterocylclic compound having a heterocyclic skeleton derived from a compound selected from pyridines, pyrroles, pyrimidines, pyrazoles, pyridazines, imidazoles, pyrazines, triazines, triazoles, tetrazoles, oxazoles, oxadiazoles, thiazoles, thiadiazoles, furans, dioxanes, pyrans, and thiophenes and/or comprising a reaction product of the heterocyclic compound and a compound selected from a boron compound, a molybdenum compound, and a silicon compound, which is an anti-wear agent for a lubricating oil excellent in wear resistance, friction-reducing property, and base number-retaining property, and a lubricating oil composition comprising the anti-wear agent.

Abstract: There is provided a finished lubricant, comprising: a) a major amount of hydroisomerized Fischer-Tropsch wax, Fischer-Tropsch oligomerized olefins, or mixture thereof; and b) between about 0.10 and about 5 wt % of a solubility improver having an aniline point less than 10° C.; wherein the finished lubricant passes the 4 hour TORT B rust test.

Abstract: A finished lubricant having a kinematic viscosity at 40° C. between about 90 and 1700 cSt that passes the 4 hour TORT B rust test, comprising: a) greater than 65 weight percent API Group III base oil, API Group IV base oil, polyinternal olefin base oil, or mixtures thereof; and b) between about 0.10 wt % and about 5 wt % solubility improver. The solubility improver has an aniline point less than 50° C., or even lower. The finished lubricant can additionally comprise a mixture of amine phosphates.

Abstract: A lubricant additive composition having environmentally compatible characteristics as defined by European Council Directive 67/548/EEC is disclosed. Such a composition may include components selected from non-persistent materials, non-bioaccumulative materials, or non-toxic materials.

Abstract: The present invention provides a process for preparing a polymer, employing the steps of: (1) contacting a free radical initiator; a chain transfer agent containing a thiocarbonyl thio group and a free radical leaving group; and a radically polymerisable monomer, to form a polymer chain; and (2) contacting the polymer chain of step (1) with at least one of a polyvalent coupling agent, a polymerisation inhibitor, a grafting acylating agent, an amine and an oil of lubricating viscosity. The invention further provides compositions and uses for the polymer.

Abstract: The invention relates to an additive composition, which comprises an additive mixture that essentially consists of a) At least one ammonium phosphate ester; b) At least one thiophosphoric acid ester, and c) At least one dithiophosphoric acid derivative; in combination with sulphur containing oil additives; and a process for the reduction of wear in combustion engines, such as spark ignition or Diesel motor engines.

Abstract: A composition comprising: (a) from 0.1% to 20% of at least one cyclic compound having a nitroxyl group and a thioamide group; and (b) a lubricating oil.

Abstract: A composition comprising a compound of formula I: wherein W represents O, S—A2, or two groups, R3 and R4; bonds a and b are single or double bonds, provided that one of a and b is a single bond and the other is a double bond; c is a single or double bond, and d is a single bond, double bond, or two single bonds, provided that d is a single bond when c is a double bond, d is not a single bond when c is a single bond, and W is R3 and R4 when d is two single bonds; A1, A2, B1 and B2 are independently hydrogen, alkyl, alkenyl, aralkyl or one of the groups depicted in Scheme 1: and a dithiophosphate.

Abstract: A composition comprising: (a) from 0.1% to 20% of at least one cyclic compound having a nitroxyl group and a thioamide group; and (b) a lubricating oil.

Abstract: A composition comprising: (a) from 0.1% to 20% of at least one compound comprising: (i) a five-, six-, or seven-membered ring containing a thiourea functional group; and (ii) at least one of (A) a carbocyclic ring system fused to the five-, six-, or seven-membered ring; and (B) an aryl, aralkyl, C4-C22 alkyl or C4-C22 alkenyl group attached to a ring carbon atom of the five-, six-, or seven-membered ring; and (b) a lubricating oil.

Abstract: A composition comprising: (a) from 0.

Abstract: An electrical oil having reduced gassing tendency includes a major amount of a paraffinic or naphthenic basestock and a blend of certain hindered phenols, especially a blend of 2,6-di-t-butyl phenol and 2,6-di-t-butyl cresol. A further enhanced gassing tendency can be provided to the electrical oil by including a tolyltriazole derivative.

Abstract: An oil-soluble lubricant additive composition comprising: (a) at least one compound of formula I:  wherein R1, R2, R3 and R4 are independently hydrogen, alkyl, alkenyl, aryl or aralkyl; or R1 and R2, or R3 and R4, combine with the carbon atom to which they are attached to form an alkyl or alkenyl ring; and (b) an acid having the formula RCO2H, wherein R is C1-C25 alkyl, C2-C25 alkenyl, C2-C25 alkynyl, C5-C25 aryl or C5-C25 aralkyl.

Abstract: A compound of formula I: wherein W represents O, S—A2, or two groups, R3 and R4; bonds a and b are single or double bonds, provided that one of a and b is a single bond and the other is a double bond; c is a single or double bond, and d is a single bond, double bond, or two single bonds, provided that d is a single bond when c is a double bond, d is not a single bond when c is a single bond, and W is R3 and R4 when d is two single bonds; A1, A2, B and B2 are independently hydrogen, alkyl, alkenyl, aralkyl or one of the groups depicted in Scheme 1:

Abstract: A composition comprising a compound of formula I: 1

Abstract: The use of copolymers containing structural units derived from the compounds of the formulae 1 and 2 in which R1 and R2 are H, C1-C4 alkyl or, with inclusion of the N—CO— group, form a ring of 5, 6, 7 or 8 ring atoms which in addition to the N—CO— group, may include further heteroatoms, R3 is H or C1-C4 alkyl, R4 is a branched or unbranched C1-C6 alkylene radical, and Y is an alkali metal or ammonium in amounts of from 0.01 to 2% by weight to prevent misting in water-based cooling lubricants.

Abstract: A compound of formula I: 1

Abstract: An oil-soluble lubricant additive composition comprising:

Abstract: A description is given of products obtainable by reacting components a), b), c) and, if desired, d), where component a) is a compound of the formula I or a mixture of compounds of the formula I, component b) is a compound of the formula II or a mixture of compounds of the formula II, component c) is a component of the formula IIIa and/or of the formula IIIb or a mixture of compounds of the formula IIIa and/or IIIb, and component d) is a compound of the formula IV or a mixture of compounds of the formula IV, in which the general symbols are as defined therein, where the compound of the formula I is, for example, pentaerythritol, thiodiethylene glycol, 1,4-butanediol, 1,2-propanediol, diethylene glycol, triethylene glycol, 1,1,1-tris(hydroxymethyl)ethane, 2,2-dimethyl-1,3-propanediol or glycerol, the compound of the formula II is, for example, methyl 3-(3′,5′-di-tert-butyl-4′-hydroxyphenyl)propionate or methyl 3-(3′-tert-butyl-4′-hydroxy-5′-methylphenyl)-pro

Abstract: Transmission lubricant compositions comprise a mineral oil as a base oil of which % CP and % CA defined in ASTM D 3238 are 70 or more and 3 or less, respectively, a viscosity index improver, and a friction modifier. The transmission lubricant compositions have excellent low temperature fluidity, shear stability, and durability of anti-shudder properties and thus can be used for extended periods of time.

Abstract: Amphoteric derivatives of aliphatic polyamines, such as diethylenetriamine or triethylenetetramine reacted with long chain fatty acids, esters or triglycerides from various natural or synthetic sources are effective in the softening/texture modification of substrates such as paper, textiles, human skin surfaces and hair tresses, as well as in applications for metal working and lubrication. The polyamines are first reacted with fatty acids, esters or triglycerides derived from various animal, vegetable or synthetic sources ranging in molecular distribution from butyric through erucic acids (e.g. milkfat, soy bean oil, rapeseed oil) to form polyamines or imidazolines; they are then further reacted with unsaturated or halogenated carboxylic acids, carboxylated epoxy compounds or acid anhydrides (e.g. acrylic acid, itaconic acid, chloroacetic acid, maleic anhydrides octadecenyl anhydride) to form the various amphoteric structures.

Abstract: Disclosed herein is a composition comprising: (A) a lubricant, and (B) at least one imidazole thione compound of the formula: wherein R1, R2, R3, and R4 are independently selected from the group consisting of alkyl, functionalized alkyl, and hydrogen.

Abstract: A water soluble corrosion inhibitor containing a compound having at least one five-membered heterocyclic ring having at least one thione group and at least one other pendant group is described. Such a corrosion inhibiting compound can be made by reacting together a thiourea and a polyalkylene polyamine. A specific example includes preparing 1-(2-aminoethyl)-2-imidazolidinethione by reacting thiourea, per se, and diethylenetriamine. These corrosion inhibition compounds have greatly reduced aquatic toxicity, and may be employed as corrosion inhibitors in hydrocarbon streams.

Abstract: Disclosed herein is a composition comprising:(A) a lubricant, and(B) at least one cyclic thiourea selected from the group consisting of: ##STR1## wherein R.sub.1 and R.sub.2 are independently selected from the group consisting of alkyl, functionalized alkyl, and hydrogen.

Abstract: A water-soluble cutting fluid is produced by dissolving a polymer fatty acid triglyceride imidazole, 2-methyl-1-stearate, and boric acid imidazole in the dispersion of inorganic bentonite in water thereby preparing a main component and adding oleic acid (agent for enhancing the lubricity), Na salt of ethylenediamine tetraacetic acid (metallic ion adsorbent), benzotriazole (rust-preventing auxiliary agent), and a silicone type defoaming agent to the main component.

Abstract: This invention relates to synergistic rust inhibiting compositions consisting of (a) N-acylsarcosine compound, (b) dicarboxylic acid having 6 to 48 carbon atoms, and (c) an amine selected from primary, secondary or tertiary amines or imidazoline compounds.Lubricating compositions containing the synergistic rust inhibiting compositions possess good antirust stability.