An anticorrosive agent including: a high-consistency material having a lubricant base oil and an amide compound, a composition of a phosphorus compound comprising one or more compounds represented by the general formulae (1) and (2) and a metal, and at least one kind of resin selected from a rosin-based resin, a terpene resin, a terpene phenol resin, a phenol resin, a coumarone-indene resin, and a petroleum resin, wherein a mass ratio of the high-consistency material and the composition is within a range of 50:50 to 98:2, and a content of resin is 2 to 20 parts by mass with respect to 100 parts by mass of the total of the high-consistency material and the composition.

A gas engine lubricating oil composition, comprising a lubricating base oil, an anti-wear agent which contains phosphorus as a constituent element and does not contain sulfur as a constituent element, an organomolybdenum friction modifier, a calcium salicylate detergent, and a magnesium salicylate detergent, wherein the ratio of a calcium element content in the composition to a magnesium element content in the composition is 1.50 to 1.80, and wherein the amount of sulfated ash measured in accordance with JIS K2272 is 0.6 mass % or less, is disclosed

A gas engine lubricating oil composition, comprising a lubricating base oil, an anti-wear agent which contains phosphorus as a constituent element and does not contain sulfur as a constituent element, an organomolybdenum friction modifier, a calcium salicylate detergent, and a magnesium salicylate detergent, wherein the ratio of a calcium element content in the composition to a magnesium element content in the composition is 1.50 to 1.80, and wherein the amount of sulfated ash measured in accordance with JIS K2272 is 0.6 mass % or less, is disclosed

A lubricant composition for high compression spark ignition engines that contains at least one bismuth-containing compound (e.g., a bismuth salt of a carboxylic acid). A method for preventing or reducing engine knock and pre-ignition in an engine lubricated with a formulated oil. The formulated oil has a composition including at least one bismuth-containing compound (e.g., a bismuth salt of a carboxylic acid). A fuel composition for high compression spark ignition engines that contains at least one bismuth-containing compound (e.g., a bismuth salt of a carboxylic acid). A method for preventing or reducing engine knock and pre-ignition in an engine by using a fuel additive composition in a gasoline fuel composition. The fuel additive composition contains at least one bismuth-containing compound (e.g., a bismuth salt of a carboxylic acid). The lubricating oils of this disclosure are useful as passenger vehicle engine oil (PVEO) products.

A lubricant composition for high compression spark ignition engines that contains at least one bismuth-containing compound (e.g., a bismuth salt of a carboxylic acid). A method for preventing or reducing engine knock and pre-ignition in an engine lubricated with a formulated oil. The formulated oil has a composition including at least one bismuth-containing compound (e.g., a bismuth salt of a carboxylic acid). A fuel composition for high compression spark ignition engines that contains at least one bismuth-containing compound (e.g., a bismuth salt of a carboxylic acid). A method for preventing or reducing engine knock and pre-ignition in an engine by using a fuel additive composition in a gasoline fuel composition. The fuel additive composition contains at least one bismuth-containing compound (e.g., a bismuth salt of a carboxylic acid). The lubricating oils of this disclosure are useful as passenger vehicle engine oil (PVEO) products.

A composition for a metal surface coating that does not require a posttreatment such as heating, has flexibility to be able to follow deformation of a member to be coated, hardly peels off from a metal surface, and can be used for the purpose of corrosion protection, and a terminal-equipped covered electric wire using the same. The composition contains an adduct and a base oil. The adduct contains an acidic phosphate ester consisting of one or more kinds of compounds represented by General Formulae (1) and (2), and a metal, P(O)(OR.sub.1)(OH).sub.2 . . . (1), P(O)(OR.sub.1).sub.2(OH) . . . (2), where R.sub.1 represents a hydrocarbon group having 4 to 30 carbon atoms.

A composition for a metal surface coating that does not require a posttreatment such as heating, has flexibility to be able to follow deformation of a member to be coated, hardly peels off from a metal surface, and can be used for the purpose of corrosion protection, and a terminal-equipped covered electric wire using the same. The composition contains an adduct and a base oil. The adduct contains an acidic phosphate ester consisting of one or more kinds of compounds represented by General Formulae (1) and (2), and a metal, P(O)(OR.sub.1)(OH).sub.2 . . . (1), P(O)(OR.sub.1).sub.2(OH) . . . (2), where R.sub.1 represents a hydrocarbon group having 4 to 30 carbon atoms.

A metal surface coating composition including a high-consistency material containing a lubricant base oil and an amide compound, and a composition of a phosphorus compound containing one or more compounds represented by the below formulae and a metal, wherein the ratio (a/b) of the number of amide groups (a) and the number of acidic groups (b) is within a range of 1.1 to 6.0:

##STR00001## where X.sup.1 to X.sup.7 represent an oxygen atom or a sulfur atom, R.sup.11 to R.sup.13 represent a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atoms, wherein at least one of them is a hydrocarbon group having 1 to 30 carbon atoms, and R.sup.14 to R.sup.16 represent a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atoms wherein at least one of them is a hydrocarbon group having 1 to 30 carbon atoms.

A metal surface coating composition including a high-consistency material containing a lubricant base oil and an amide compound, and a composition of a phosphorus compound containing one or more compounds represented by the below formulae and a metal, wherein the ratio (a/b) of the number of amide groups (a) and the number of acidic groups (b) is within a range of 1.1 to 6.0:

##STR00001## where X.sup.1 to X.sup.7 represent an oxygen atom or a sulfur atom, R.sup.11 to R.sup.13 represent a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atoms, wherein at least one of them is a hydrocarbon group having 1 to 30 carbon atoms, and R.sup.14 to R.sup.16 represent a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atoms wherein at least one of them is a hydrocarbon group having 1 to 30 carbon atoms.

A liquid composition which has an excellent coating property at room temperature and is retained on a surface to be coated after application on the surface, and a terminal-fitted electric wire having an increased corrosion resistance using the same. The liquid composition contains a high-consistency material, a low-viscosity liquid having a kinetic viscosity of 100 mm.sup.2/s or lower measured at 40 C. in accordance with JIS K2283, and an adduct containing an acidic phosphate ester containing one or more kinds of compounds represented by General Formulae (1) and (2), and a metal,

P(O)(OR.sub.1)(OH).sub.2(1),

P(O)(OR.sub.1).sub.2(OH)(2),

where R.sub.1 represents a hydrocarbon group having 4 to 30 carbon atoms.