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WO/1998/010044A1 |
The invention concerns a mixture of superalkalified earth-alkaline comprising: (a) 50 % to 85 % by weight of one mono-alkyl-sulphonate with a C�14?-C�40? linear chain in which the molar ratio of phenyl-sulphonate substituent in posit...
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WO/1998/006798A1 |
Thus, the instant invention is directed toward an oil for diesel engines comprising an admixture of (A) a major amount of an oil of lubricating viscosity, (B) at least 4 mass % dispersant, (C) at least 0.3 mass % of a metal phenate, (D) ...
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WO/1998/005741A1 |
A process for reacting certain carboxylic reactants with olefinic compounds then reacting the intermediate prepared thereby with ammonia, a hydrazine or an amine, and/or a reactive metal compound, products prepared thereby and, additive ...
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WO/1997/048741A1 |
Polymers (including copolymers) derived from one or more olefins, such including ethylene and C3-C20 'alpha'-olefins such as propylene and 1-butene, which polymers have (a) an average ethylene sequence length, ESL, of from about 1.0 to l...
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WO/1997/046596A1 |
The present invention provides novel polymers comprising a plurality of dihydroxy aromatic moieties and at least one polyalkyl moiety. In one embodiment of the present invention, the polymer is represented by formula (I) wherein R = a po...
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WO/1997/046643A1 |
Phenate detergents and salicylate detergents with high TBNs and/or high TBN: % surfactant ratios are useful marine diesel lubricant additives.
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WO/1997/046644A1 |
Phenate overbased detergents and salicylate overbased detergents with TBN: % surfactant ratios of 11 or more are useful marine diesel lubricant additives.
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WO/1997/046647A1 |
Phenate overbased detergents with high TBN: % surfactant ratios are useful lubricant additives.
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WO/1997/046646A1 |
A method of manufacturing a calcium overbased detergent, of TBN at least 300, from at least two surfactants, at least one of which is a phenol surfactant or a salicylic acid surfactant. Overbasing is carried out in at least two steps, at...
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WO/1997/046645A1 |
Phenate/salicylate overbased detergents with high proportions of phenate and salicylate surfactants in the surfactant system and with TBN; % surfactant ratios of 11 or more are useful marine diesel lubricant additives.
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WO/1997/043322A1 |
The present invention is directed to an oil-soluble lubricating oil additive comprising at least one terminally unsaturated ethylene/alpha-olefin/diene interpolymer of 300 to 20,000 number average molecular weight substituted with mono- ...
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WO/1997/039086A1 |
The invention relates to compositions comprising an ester of a polyol and a mixture of fatty acids, wherein at least a part (I) of the esterified fatty acids has a chain length of 5-12 carbon atoms and another part (II) of the esterified...
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WO/1997/035946A1 |
A lubricating oil additive comprising an amine compound prepared by reacting an aliphatic amine having at least one hydrocarbon group bearing eight or more carbon atoms with a carbonyl compound; another lubricating oil additive comprisin...
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WO/1997/033864A1 |
To improve colour and odour characteristics of sulfonic acids and their derivatives while maintaining sludge and sulfuric acid reduction and good thermal stability, they are treated with at least one unsaturated hydrocarbon, each having ...
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WO/1997/031991A1 |
The present invention is directed to a low ash natural gas engine oil which contains an additive package including a particular combination of detergents and also containing other standard additives such as dispersants, antioxidants, ant...
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WO/1997/024417A1 |
Sulphur monochloride and a phenol are reacted to produce an oil-soluble intermediate which is then reacted with an unsaturated organic compound having one or more olefinic or acetylenic bonds to reduce the amount of active sulphur in the...
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WO/1997/024379A1 |
The invention pertains to improved lubricating oil dispersants wherein a fractionating polymer is prepared prior to functionalization (e.g., in the Koch reaction) for making dispersant additives. In one aspect, it was discovered that by ...
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WO/1997/018281A1 |
The present invention relates to dispersants for lubricating oils comprising the reaction product of a functionalized polymer and a polyamine metaborate. The functionalized polymer is prepared using reactions selected from the group cons...
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WO/1997/015644A1 |
A lubricant composition containing (1) specific organometallic compounds, (2) a specific organometallic compound and an ashless sulfur compound, (3) an organo-molybdenum compound and a specific ashless sulfur compound having a substituen...
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WO/1997/014774A1 |
A process for the production of overbased magnesium sulphonates which makes it possible to prepare high base number products which have very low post-carbonation sediments and which can be purified by rapid filtration.
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WO/1997/014773A1 |
The anti-shudder durability of power transmitting fluids, particularly automatic transmission fluids, is improved by incorporating a combination of low potency friction modifiers and phosphorus-containing compounds. The anti-shudder dura...
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WO/1997/012016A1 |
Multigrade crankcase lubricants having low concentrations of chlorine and sulphated ash use multifunctional viscosity modifiers in place of conventional chlorine-containing dispersants. The lubricant contains at least 1.5 weight percent ...
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WO/1997/010318A1 |
Lubricants with improved acid neutralization properties and excellent sludge and wear performance in the Seq. 5E test are formed using a detergent system comprising one or more alkali or alkaline earth metal salts of an oil soluble organ...
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WO/1997/010317A1 |
The detergent inhibitor package has been found to influence the viscometric properties of SAE 5W lubricants that have less than 5 mass % of non-coventional basestock, use a basestock that has an average base stock neutral number not less...
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WO/1996/037585A1 |
This invention relates to a lubricating composition comprising a major amount of an oil of lubricating viscosity and (A) an antiwear improving amount of at least one molybdenum containing composition, and (B) at least one member selected...
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WO/1996/036683A1 |
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/1996/030467A1 |
Colloidal products prepared according to a method which includes at least partial neutraliation of an over-based colloidal product such as bismuth sulphonate containing a supply of alkalinity in the form of calcium carbonate, barium or m...
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WO/1996/030466A1 |
A two-cycle oil is disclosed consisting of a polybutene polymer, solvent and mineral oil which passes the JASO engine test for gasoline fueled two-cycle engines.
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WO/1996/028486A1 |
Copolymers I bearing functional groups and consisting of a) 30 to 70 mol% of at least one monoethylenically unsaturated C4 to C12 dicarboxylic acid or its anhydride and b) 30 to 70 mol% of an oligomer of a 1-olefine with 3 to 14 C atoms,...
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WO/1996/028495A1 |
A process for producing an oil soluble interpolymer polymer of 1,2-alkylenediamine such as N-ethyl ethylenediamine, aldehyde-provider such as formaldehyde, and ortho-unsubstituted hydroxyaromatics such as 4-polyalkylene phenol is disclos...
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WO/1996/026919A2 |
Low base number (LBN) sulphonates derived from high molecular weight sulphonic acids have low viscosity, are chloride free and are not skin sensitisers. In their preparation, neutralisation of high molecular weight sulphonic acids or par...
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WO/1996/026920A1 |
Magnesium low base number (LBN) sulphonates derived from high molecular weight sulphonic acids have low viscosity and are chloride free. The magnesium low base number sulphonates are not skin sensitisers. In their preparation neutralisat...
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WO/1996/026189A1 |
The invention relates to imidazolidinone derivatives formed from the reaction of (1) a substituted-ethylimidazolidinone or (2) substituted ethyl propylene urea with: (a) a C1-C24 alkyl or a C3-C24 alkenyl substituted anhydride or, (b) a ...
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WO/1996/020992A1 |
The present invention is directed to lubricating oil and fuel dispersants comprising hydroxy aromatic succinimide Mannich Base condensates of heavy polyamine. A heavy polyamine is a mixture of polyalkylenepolyamines comprising small amou...
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WO/1996/020265A1 |
A marine lubricating oil has a major amount of oil of lubricating viscosity; and a minor amount of an overbased, alkyl oxy benzene sulfonate having a TBN of at least 200. Between 40 wt.% and 80 wt.% of the alkyl group is attached at the ...
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WO/1996/019549A1 |
An oligomer from diarylamines is disclosed which has desirable antioxidant properties in lubricating oils which contain synthetic ester lubricants. The oligomer is desirable for use at higher temperatures where it has less volatility tha...
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WO/1996/019550A1 |
This invention provides sulfur-containing carbonate reaction product additives which are useful as phosphorus-free antiwear additives in lubricating oils, particularly automatic transmission fluids.
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WO/1996/019505A1 |
The present invention provides a process for preparing nitrogen-containing star polymer compositions having polymeric arms of a hydrogenated conjugated diene and substantially smaller polymeric arms of an alkyl methacrylate which are eff...
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WO/1996/017911A1 |
This invention provides oil-soluble complexes of oil-insoluble phosphorus-free strong mineral acids and alcohols. The complexes are useful antiwear additives in lubricating oils, particularly automatic transmission fluids.
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WO/1996/017914A1 |
This invention provides an oil-soluble complex of an oil-insoluble phosphorus-containing acid and an alcohol. This complex is a useful antiwear additive in lubricating oils, particularly automatic transmission fluids.
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WO/1996/017912A1 |
The invention provides synergistic combinations of phosphorus acid-containing compounds with ashless antioxidants. These combinations dramatically improve the oxidation stability of lubricating compositions, particularly power transmissi...
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WO/1996/016144A1 |
Adducts useful as fuel or lubricating oil additives are disclosed. The adducts comprise the reaction product of at least one quinone compound and an amine-containing polymeric material comprising at least one member selected from the gro...
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WO/1996/016145A1 |
An oil-soluble lubricating oil and fuel additive, useful as a multifunctional viscosity modifier comprising succinimide and other amine-containing polymers reacted with a quinone or substituted quinone adducts. Suitable polymers are thos...
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WO/1996/011959A1 |
A grafted copolymer of an isomonoolefin and a para-alkylstyrene, e.g., isobutylene and para-methylstyrene, grafted with an unsaturated organic compound, such as a maleic anhydride, the grafted copolymer of less than 24,000 number average...
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WO/1996/011999A2 |
An oil-soluble lubricating oil additive useful as a dispersant, comprising Mannich Base condensates of an alkyl (hydrocarbon or polymer) substituted hydroxy aromatic compound with an aldehyde and a heavy polyamine. A heavy polyamine is a...
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WO/1996/012097A2 |
The effectiveness is prolonged for catalytic oxidizers to reduce emissions of both HC and CO from two-stroke gasoline engines. A compound of a platinum group metal is added to the cylinder of the engine to make it available as an active ...
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WO/1996/006903A1 |
Combinations of dimercaptothiadiazole-mercaptan coupled derivatives with amines have been found to be effective load-carrying additives for lubricants and fuels.
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WO/1996/004356A1 |
A process is described wherein olefins or acetylenic compounds are reacted with sulfurised intermediates to produce nitrile seal compatible additives. Olefin or acetylenic compound reaction with sulfurised compounds e.g. sulfurised pheno...
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WO/1996/003367A1 |
The invention concerns reaction products of polyisobutylenes having an average polymerisation degree P of 10 to 100 and a proportion E of 60 to 90 % of double bonds which can be reacted with maleic acid anhydride, E corresponding to 100 ...
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WO/1996/001854A1 |
A succinimide dispersant, which is the reaction product of hydrocarbons or polymers functionalized by halogenation (e.g. chlorination), thermal "ene" reaction or free radical grafting and derivatized with a heavy polyamine. A heavy polya...
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