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WO/1992/016604A1 |
A lubricant composition useful for internal combustion engines such as diesel and gasoline engines, which is excellent in heat resistance and low-temperature fluidity and comprises a hydrocarbon oil as the base oil and, added thereto, an...
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WO/1992/012225A1 |
Trithiane and phosphorus and/or thiophosphorus acid derivatives are described which are useful as extreme pressure compositions. The composition comprises a lubricating base oil having dissolved therein a reaction product obtained by rea...
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WO/1992/002602A1 |
The fuel economy of an internal combustion engine can be improved by adding to the lubricating oil used to lubricate the crankcase of said engine a synergistic blend of amine/amide and ester/alcohol friction modifying agents.
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WO/1992/002603A1 |
A phosphorous- and sulfur-containing additive and its use to impart anti-wear and/or antioxidant properties to oleaginous compositions such as fuels and lubricating oils, particularly power transmission compositions, such as automatic tr...
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WO/1991/018077A1 |
A lubricant composition comprises at least 0.1 % by weight of substantially spherical particles of a hard, abrasion-resistant and fracture-resistant, thermally stable and chemically inert material, and up to 99.9 % by weight of a support...
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WO/1991/013133A2 |
It has now been discovered that functional fluids characterized as effective over a wide range of temperature including very high temperatures can be prepared which comprise (A) a major amount of at least one synthetic base oil; and mino...
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WO/1990/015663A1 |
An emulsifier system for oil in water emulsions is a mixture of salts of a sulphonic acid and a di-carboxylic acid containing from 10-500 carbon atoms together with a C5-C25 monocarboxylic acid or its salt, a coupling agent and/or a non-...
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WO1990015124A1 |
A lubricating oil composition is described which is useful in internal combustion engines and which exhibit improved oxidation and wear performance. More particularly, lubricating oil compositions are described which comprise (A) a major...
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WO/1990/013618A1 |
Mixed alkoxylated alcohol-hydroquinone or alkoxylated alcohol-resorcinol borates are effective antioxidants for lubricants.
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WO/1990/009387A1 |
Phosphorus-containing compositions and carboxylic ester compositions are described. The esters are useful as synthetic lubes and as lubricants in liquid compositions containing fluorine-containing hydrocarbons. A liquid composition also ...
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WO/1990/009425A1 |
This invention relates to lubricating compositions containing hydroxyalkane phosphonic acids and derivatives thereof. Hydroxyalkane phosphonic acids in the present invention can be reacted to form salts with basic materials, including de...
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WO/1990/005767A1 |
This invention concerns the lubrication of crosshead diesel engines, for example marine slow speed crosshead diesel engines. Lubrication is effected with a lubricant composition comprising a major amount of base oil and minor amounts of ...
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WO/1990/004625A2 |
Friction modifier additives useful in power transmission compositions, particularly automatic transmission fluids, is disclosed. The additive comprises Component-1 alone formed by condensing a polyamine, such as tetraethylene pentamine, ...
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WO/1990/004626A2 |
A lubricating composition is described which comprises a mixture of (A) a major amount of an oil of lubricating viscosity, (B) a dispersant effective amount of at least one ashless dispersant, and (C) a minor, effective amount of at leas...
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WO/1990/002787A1 |
Nitrogen containing carboxylic compounds useful in reducing hydrogen sulfide are described herein. The compositions of the invention also desirably contain an alkali or alkaline earth metal containing compound.
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WO/1990/002786A1 |
A lubricating oil composition which is obtained by compounding a base oil with a specific amine and at least one compound selected from among sulfonates, phenates and salicylates is disclosed. This composition is excellent in stain resis...
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WO/1990/001532A1 |
Lubricating oil compositions for internal combustion engines are described which comprise (A) a major amount of oil of lubricating viscosity, and minor amounts of (B) at least one carboxylic derivative composition produced by reacting at...
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WO1990001531A1 |
Lubricating oil compositions for internal combustion engines which comprise (A) a major amount of oil of lubricating viscosity, and minor amounts of (B) at least one carboxylic derivative composition produced by reacting (B-1) at least o...
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WO/1989/012666A1 |
A phosphorous- and sulfur-containing additive and its use to impart anti-wear properties to oleaginous compositions such as fuels and lubricating oils, particularly power transmission compositions, such as automatic transmission fluids, ...
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WO/1989/012668A1 |
Lubricating oil compositions for internal combustion engines are described which comprise (A) a major amount of oil of lubricating viscosity, and at least 2.0 % by weight of (B) at least one carboxylic derivative composition produced by ...
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WO/1989/012669A1 |
The title lubricant composition comprises a base oil or base grease and a specified amount of a heat insulating agent comprising (A) an inorganic compound undergoing endothermic melting at temperatures of 1200°C or below and (B) an inor...
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WO1989012667A1 |
Lubricating oil compositions of internal combustion engines are described which comprise (A) a major amount of oil of lubricating viscosity, and minor amounts of (B) at least one carboxylic derivative composition produced by reacting (B-...
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WO/1989/011519A1 |
Lubricating oil compositions for internal combustion engines which comprise (A) at least about 60 % by weight of oil of lubricating viscosity, (B) at least about 2.0 % by weight of at least one carboxylic derivative composition produced ...
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WO/1989/006683A1 |
Mixtures of partial fatty acid esters of polyhydric alcohols and sulfurized compositions. Compositions comprising these mixtures are useful as additives for a wide variety of lubricants.
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WO/1989/004358A2 |
A composition is disclosed which comprises: (A) at least one neutral or basic metal salt or boron-containing neutral or basic metal salt of at least one acidic organic compound, the metal in said salt being selected from the group consis...
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WO/1989/000186A1 |
A lubricating oil composition comprising a major amount of an oil of lubricating viscosity and a minor amount, effective to inhibit the accumulation of black sludge in a gasoline fueled internal combustion engine, of an aliphatic hydroca...
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WO/1988/009831A1 |
A corrosion inhibiting composition comprising a mixture of (A) at least one basic metal sulfonate and (B) at least one aliphatic dicarboxylic acid or anhydride containing no more than 38 carbon atoms excluding the carbon atoms in the car...
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WO/1988/009366A2 |
The use of aromatic amine or hindered phenols, and beta-thiodialkanol reaction products are described as being useful anti-oxidants.
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WO/1988/008873A2 |
This invention is directed to lubricating oil compositions which are especially adapted for use in mechanical systems where gears are subjected to great stress and extremely high pressures such as those found in automotive rear axles or ...
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WO/1988/008021A1 |
A lubricant or lubricant concentrate derived from mineral and/or synthetic oils possessing improved lubricating properties, in particular improved load-bearing, sliding and anti-corrosion properties, contains a) one or more mineral and/o...
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WO/1988/008023A1 |
A lubricant or lubricant concentrate based on mineral and/or synthetic oil with improved lubricating properties, in particular improved load-bearing, sliding and anticorrosion properties, contains a) one or more mineral and/or synthetic ...
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WO/1988/008022A1 |
A lubricant or lubricant concentrate based on mineral and/or synthetic oil with improved lubricating properties, in particular improved load-bearing, sliding and anticorrosion properties, contains a) one or more mineral and/or synthetic ...
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WO/1988/007535A1 |
Sulphur-containing borate esters for use in lubricants appropriate to modern oil requirements with reduced or zero amounts of phosphorous and without the need for large amounts and/or expensive forms of antioxidant and additional anti-we...
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WO/1988/007073A1 |
Process for the preparation of a superalkanized additive with an anti-wear effect for lubricating oils, said process consisting of the carbonation of a reactive mixture composed of at least one detergent, of a derivate of an alkaline or ...
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WO/1988/006616A1 |
A lubricating oil composition prepared by incorporating (A) 0.05 to 5 wt % of an alkenylsuccinic acid ester and/or an alkylsuccinic acid ester and (B) 0.005 to 5 wt % of a fatty acid ester of a polyhydric alcohol in a base oil. This comp...
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WO/1988/005810A1 |
Gear oil compositions which comprise a lubricating base oil having dissolved therein (A) at least one phosphite ester characterized by formula (I), wherein R1 and R2 are hydrocarbyl based groups of from 1 to 30 carbon atoms and (B) at le...
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WO/1988/005808A1 |
Hydraulic fluids based on natural triglycerides. The base composition for these hydraulic fluids consists of at least one natural triglyceride and one anti-oxidant additive. The triglyceride suitable for the composition can be defined as...
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WO/1988/005811A1 |
A tracer metal, which is not present in engine parts subject to wear, is used to ascertain the source of metals in used oil as between lubricating oil additives and other sources, particularly wear of engine parts.
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WO/1988/005460A1 |
A lubricant hydraulic fluid, in particular brake fluid, with improved lubricant properties and anti-wear protection, is composed of a commercially available brake fluid with usual additives and of a combination of a least one metallic di...
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WO/1988/004313A2 |
Lubricating and functional fluid compositions which comprise at least one oil of lubricating viscosity and an extreme-pressure and friction-modifying amount of (A) at least one phosphite ester characterized by Formula (I), wherein R1 is ...
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WO/1988/003552A2 |
Novel compositions comprising (A) certain sulfur compounds, and (B) at least one carboxylic detergent composition. The compositions of the invention are useful as additives in lubricants and functional fluids, fuels and aqueous systems. ...
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WO/1988/003554A2 |
Phosphorus- and/or nitrogen-containing derivative compositions useful particularly in fuels, and in lubricating and functional fluid compositions. The derivative compositions comprise a phosphorus- and/or nitrogen-containing derivative c...
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WO/1988/003551A1 |
A two component additive and a liquid hydrocarbon based fuel composition, containing the additive. The fuel composition is comprised of a major amount of a liquid hydrocarbon diesel fuel and a minor fuel efficiency improving amount of th...
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WO/1988/002771A1 |
Sulfur-containing composition comprising the combination of: (A) at least one first sulfur-containing material which comprises the reaction product of a sulfur source and at least one Diels-Alder adduct in a molar ratio of at least 1.7:1...
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WO/1987/007637A2 |
Lubricating oil and functional fluid compositions having improved high temperature stability and which contain at least one phosphorus-containing composition and at least one oil-soluble nitrogen-containing composition. More particularly...
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WO/1987/007638A2 |
Lubricating and functional fluid compositions having improved extreme pressure properties and high temperature stability. The compositions contain at least one ammonium or metal salt of at least one phosphorus- and sulfur-containing comp...
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WO/1987/006256A2 |
An additive mixture for grease compositions and gear lubricants has been developed. The additive mixture comprises at least one metal-containing composition and at least one sulfurized organic compound. This mixture has been found to imp...
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WO/1987/005927A2 |
Manual transmission fluids having excellent static and dynamic frictional characteristics comprising: (a) an alkaline earth metal salt selected from the group consisting of sulfinates, phenates, oxylates, carboxylates and mixtures thereo...
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WO/1987/005622A1 |
A phosphorus free or a low phosphorus containing lubricant composition is provided by formulating the composition with an additive of the formula (I), wherein R1 and R2 are independently alkyl of 1 to about 7 carbons, aryl, aralkyl or to...
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WO/1987/005320A2 |
A composition which comprises: (A) a compound represented by formula (I), wherein Ar1 and Ar2 are independently mononuclear or polynuclear, substituted or unsubstituted aromatic groups; R1, R2, R3 and R4 are independently hydrogen or hyd...
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