Disclosed herein are reaction products of an acidic organic compound, a boron compound, and an alkoxylated amine and/or alkoxylated amide. Also disclosed are lubricating oil compositions and fuel compositions containing the reaction products.

Lubricating oil and fuel compositions

A composition is disclosed that comprises the reaction product of an acidic organic compound, a boron compound, and a basic organic compound. The composition is useful as a detergent additive for lubricants and hydrocarbon fuels.

Detergent / anti-oxidant additives for fuels and lubricants

Reaction products of an acidic organic compound, a boron compound, and an alkoxylated amine and/or alkoxylated amide. Also disclosed are lubricating oil compositions and fuel compositions containing the reaction products.

Lubricating oil compositions

A process for producing molybdenum oxysulfide dithiocarbamate (MoDTC) by reacting [A] an aqueous solution or suspension prepared by reacting (a) a compound having hexavalent molybdenum, with (b) an alkali hydrogensulfide or an alkali sulfide, [B] a carbon disulfide, [C] a secondary amine and [D] a mineral acid, wherein [E] a reducing agent is added and reacted at any stage, and a lubricating oil composition containing the compound obtained according to said process. MoDTC can be efficiently produced in high yields by using a hexavalent molybdenum compound as a starting material, and the produced MoDTC has low corrosive action, excellent wear characteristics and excellent lubricating properties.

A process for producing molybdenum oxysulfide dithiocarbamate

Provided is a lubricating oil composition comprising a base oil (A), at least one aromatic carboxylate ester derivative (B) selected from aromatic carboxylate ester derivatives (B1) represented by general formula (I) and aromatic carboxylate ester derivatives (B2) represented by general formula (II), an oxymolybdenum complex (C1) of a basic nitrogen compound, and a calcium-based detergent (D) comprising a calcium-based detergent (D1) having a base number of at least 200 mg KOH/g. A component (B) content is at least 1.5 mass%; the content of molybdenum atom originating from a component (C1) is a prescribed amount; the content of calcium atom originating from a component (D) is a prescribed amount; the sulfated ash is not more than 0.3 mass%; and the phosphorus atom content is a prescribed amount. The lubricating oil composition can reduce the friction coefficient while being able to suppress the occurrence of LSPI and providing a good high-temperature detergency.

Lubricating oil composition

PURPOSE: To obtain an additive composition for lubricant having excellent high temperature stabilizing (high temperature cleaning) property and fine particles dispersing property and useful as an excellent non-ash type cleaning dispersant for lubricating oil by including a specific substituted hydroxyaromatic carboxylic acid ester derivative and an non-ash type dispersant. CONSTITUTION: The objective composition contains (A) a substituted hydroxyaromatic carboxylixc acid ester containing one or more of >=6C organic group in an intramolecular aromatic nucleus as an ester derivative derived from a substituted hydroxyaromatic carboxylic acid expressed by the formula (Ar is an aromatic nucleus; R is an organic group; (x) and (z) are each 1-3; (y) is 0-6) and (B) a polyoxyalkylene-based non-ash type dispersant. Preferably, a mixing weight ratio of the component A and B is: A/B=15/85-75/25.

Additive composition for lubricant and lubricating oil composition containing the same

PURPOSE:To obtain a lubricant additive compsn excellent in high-temp stability and useful as an ashless detergent-dispersant capable of dispersing fine particles by compounding a lubricant additive comprising a specific substd arom hydroxycarboxylic ester deriv with a conventional ashless dispersant CONSTITUTION:A lubricant additive compsn is obtd by compounding at least one substd arom hydroxycarboxylic ester deriv selected from compds of formula I [wherein R and R are each a 6C or higher org group; 0 to R are each a 6C or higher org group; 0<=f, g, i, j<=3; 1<=(f+g), k, m<=3; 0<=h<=4; 1<=(j+k)<=5; 1<=(h+i)<=6, and 3<=(f+g+h+i+m)<=8] [eg hexylphenyl hexylhydroxybenzoate] with an ashless dispersant [eg polybutenylsuccinimide] in a wt ratio of the ester deriv to the dispersant of (10:90)-(99:1)

Lubricant additive, lubricant additive composition, and lubricant composition

PURPOSE:To obtain substances, excellent in high-temperature stability (high- temperature cleaning properties) and low-temperature fluidity (viscosity) and useful as a detergent dispersant, the detergent dispersant and a lubricating oil composition containing the substances. CONSTITUTION:(1) The Mannich reactional product [1] is obtained 34 by reacting components (a) to (d) and (2) the Mannich reactional product [2] is prepared by reacting the components (a) to (e). (3) The Mannich reactional product [3] is obtained by reacting the components (a) to (d) and (f) and (4) the Mannich reactional product composition is prepared by blending the Mannich reactional products [1] and/or [2] with the component (f). Furthermore, (5) a detergent dispersant and a lubricating oil composition contain the Mannich reactionl products. The component (a) is an alkenylsuccinic anhydride having a 2-30C alkenyl group and/or its derivative and the component (b) is an amine compound. The component (c) is a specific alkylphenol sulfide and the component (d) is an aldehyde. The component (e) is a boron-containing compound and the component (f) is a specified alkylhydroxybenzoic acid and/or its derivative.

Mannich reactional product and its use

NEW MATERIAL:A compound by formula I (R 1 and R 2 are 4-24C hydrocarbon; X is 0.5-2.3; Y is 3.5-1.7 with the proviso that X+Y=4). USE: An additive for lubricating oil having excellent storage stability and oil solubility. PREPARATION: Carbon disulfide and a secondary amine (e.g. ethyl-tridecylamine) shown by formula II are added to an aqueous solution of molybdenum trioxide or an alkali metal salt of molybdic acid (e.g. sodium molybdate) and an alkali hydrosulfide (e.g. sodium hydrosulfide) or an alkali sulfide (sodium sulfide) having pH8.5-11, preferably pH9.0-10. COPYRIGHT: (C)1992,JPO&Japio

Organomolybdenum compound and use thereof

PROBLEM TO BE SOLVED: To profitably produce the subject aryl ester especially useful as a lubricant for diesel engines and methanol engines or as an additive for fuel oils in a good yield. SOLUTION: A hydroxyaromatic carboxylic acid alkyl ester is alkylated with an olefin in the presence of an acidic catalyst, and the produced alkyl- substituted hydroxyaromatic carboxylic acid alkyl ester is subjected to a transesterification reaction with a hydroxyaromatic compound to produce the alkyl-substituted hydroxyaromatic carboxylic acid aryl ester.

Koushima Hiroaki

Papers

Additive composition for lubricant and lubricating oil composition containing the same

Lubricant additive, lubricant additive composition, and lubricant composition

Mannich reactional product and its use

Organomolybdenum compound and use thereof

Production of alkyl-substituted hydroxyaromatic carboxylic acid aryl ester