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6492306 |
Nitrogen containing dispersant-viscosity improvers
A composition comprising a hydrocarbon polymer having attached thereto pendant groups A a and B b wherein each A is independently selected from members of the group consisting of: groups of the...
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6448208 |
Liquid polyfunctional additives
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,...
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6355074 |
Oil soluble dispersant additives useful in oleaginous compositions
Hydrocarbyl substituted C 4 to C 10 monounsaturated dicarboxylic acid, anhydrides or esters, e.g. polyisobutenyl succinic anhydride, preferably made by reacting polymer of C 2 to C 10 ...
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6296677 |
Liquid polyfunctional additives for improved fuel lubricity
The lubricity (anti-wear properties) of fuels, for example hydrocarbon fuels, oxygenated fuels or mixtures thereof, particularly diesel or aviation fuels having reduced sulphur and/or aromatic...
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6211122 |
Carboxylic compositions and derivatives thereof and use as lubricating oil and fuel additives
A carboxylic composition comprising hydrocarbon substituted carboxylic acylating agents prepared by reacting a polyolefin and a terpolymer, simultaneously or individually in any order, with at...
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6001141 |
Fuel additive
Low sulfur content fuel compositions containing additive compounds are described which exhibit improved lubricity. The additive compounds include a carboxylic acid substituted by at least one...
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5912213 |
Substituted carboxylic acylating agent compositions and derivatives thereof for use in lubricants and fuels
Substituted carboxylic acylating agents formed by reacting an olefin with a carboxylic reactant are further reacted with α-β unsaturated carboxylic compositions to form substituted carboxylic...
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5912190 |
Synergistic process for improving combustion
A process of improving the combustion of fuel and/or improving the oxidation of carbonaceous products derived from the combustion or pyrolysis of fuel is described. The process comprises adding to...
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5856279 |
Acylated nitrogen compounds useful as additives for lubricating oil and fuel compositions
A process for reacting certain carboxylic reactants and at least one aldehyde or ketone with olefinic compounds then reacting the product prepared thereby with ammonia, a hydrazine or an amine,...
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5518510 |
Low-sulfur diesel fuels containing organo-metallic complexes
This invention relates to low-sulfur diesel fuels which are useful with diesel engines equipped with exhaust system particulate traps. These fuels contain an effective mount of an organometallic...
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5433755 |
Additive formulation for fuels incorporating ester function products and a detergent-dispersant
Additive formulation for engine fuels incorporating at least one constituent (A) and at least one constituent (B), constituent(A) consisting of at least one composition incorporating products...
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5376153 |
Heterocyclic nitrogen compound Mannich base derivatives of amino-substituted polymers for oleaginous compositions
The novel polymers of the present invention are prepared by reacting a heterocyclic nitrogen compound containing at least one --N(H)-- group in the ring, an aldehyde and amino-substituted polymer...
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5053056 |
Hydroxyimidazolines and polyamine fuel additive compositions
Disclosed is a composition resulting, in a first stage, from the reaction of at least one alkenyl or polyalkenylsuccinic acid or anhydride on at least one 1-(2-hydroxyethyl)-imidazoline substituted...
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4976746 |
Formulations of nitrogenated additives for engine fuels and the engine fuels containing them
Formulations of additives for engine fuels comprising at least one constituent (A) and one constituent (B) resulting from the reaction of at least one alkenyl or polyalkenyl-succinic derivative...
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4971598 |
Reaction products of alkenyl succinimides with ethylenediamine carboxy acids as fuel detergents
An additive for fuel compositions. The additive comprises the reaction product of an alkenyl succinimide selected from the group consisting of mono-succinimides, bis-succinimides, and mixtures...
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4904278 |
Modified succinimides
Disclosed are additives which are useful as dispersants in lubricating oils, gasolines, marine crankcase oils and hydraulic oils. In particular, disclosed are polyamino alkenyl or alkyl...
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4866141 |
Lactone modified, esterfied or aminated additives useful in oleaginous compositions and compositions containing same
C 5 -C 9 lactone derived materials are made by simultaneously reacting (a) a C 5 -C 9 lactone with (b) a polyamine, a polyol or an amino alcohol and (c) a hydrocarbyl substituted C 4 -C 10 ...
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4866139 |
Lactone modified, esterified dispersant additives useful in oleaginous compositions
Poly(C 5 -C 9 lactone) adducts are made by reacting a C 5 -C 9 lactone with a post reacted hydrocarbyl substituted C 4 -C 10 monounsaturated dicarboxylic acid producing material, e.g., a...
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4855074 |
Homogeneous additive concentrates and their formation
A homogeneous concentrate suitable for use as an additive for lubricating oils is formed from a long chain succinimide and a benzotriazole by heating a mixture of these materials in the presence of...
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4780111 |
Fuel compositions
Fuel compositions for internal combustion engines, and more particularly, fuel compositions for use in fuel-injected internal combustion engines are described. The fuel compositions comprise a...
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4747850 |
Modified succinimides in fuel composition
Disclosed are additives which are useful as dispersants in lubricating oils, gasolines, marine crankcase oils and hydraulic oils. In particular, disclosed are multiply adducted alkenyl or alkyl...
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4710201 |
Modified succinimides (IX)
Disclosed are additives which are useful as dispersants in marine crankcase oils, hydraulic oils, and lubricating oils. In particular, disclosed are polyamino alkenyl or alkyl succinimides modified...
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4536189 |
Corrosion inhibitor and motor fuel composition containing the same
An anti-corrosion additive composition for motor fuels containing a minor amount (i.e., from 1 to 10%) of a short chain aliphatic alcohol that is prepared by reacting substantially equal molar...
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4505717 |
Corrosion inhibited motor fuel
A novel fuel composition contains ethanol or methanol plus, as a corrosion inhibitor, a reaction product of a dialkyl amine and an isatoic anhydride, further reacted with a alkoxyalkyl amine.
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4498908 |
Liquid fuel composition containing reaction product of tetrahydropyrimidines
3-alkoxy-1 diamines are reacted with a carboxylic acid. The reaction product is further reacted with an inorganic base such as calcium oxide. The product obtained is an additive useful in gasoline...
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4330303 |
Detergent fuel composition
A motor fuel composition comprising a mixture of hydrocarbons boiling in the gasoline boiling range and a detergent additive comprising an ethylenediamine reaction product of a...
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4135887 |
Flow improvers for crude and residual-containing fuel oils
Copolymers of a 1,2 epoxy alkane and a cyclic carboxylate compound of the class consisting of dicarboxylic acid anhydrides, preferably maleic anhydride or a hydrocarbyl substituted succinic...
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4132531 |
Detergent additive and motor fuel composition
Detergent additive comprising the reaction product of anaminoakyl-substituted piperazine, and a hydrocarbyl-substituted acid lactone reaction product, and a motor fuel composition containing the...
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4097389 |
Novel amino alcohol reaction products and compositions containing the same
Alkenylsuccinic anhydride is reacted with an amino alcohol, such as tris(hydroxymethyl)aminomethane, to provide intermediate reaction products from which novel derivatives are obtained by reacting...
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4081386 |
Reaction mixtures from reacting di- and triazines with sulfur-containing compounds and lubricants and fuels containing the same
Reaction mixtures made from reacting one or more substituted di- and triazines of the formula: ##STR1## wherein Q and Q' are each independently halo, hydrocarbyloxy of the formula --OR and...
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4052324 |
Reaction product of dialkyl alkanephosphonate, substituted imidazoline, and water in lubricant compositions
Lubricant compositions are provided which contain: oleaginous media, and an antiwear and water tolerance improving amount of a product formed by reacting (a) a compound having the formula: ##STR1##...
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4025316 |
Mannich base reaction products useful as liquid hydrocarbon additives
Polymeric alkyl-hydroxy benzyl N-substituted amines having a high degree of ring formation are derived from the condensation reaction of C 8 -C 40 aliphatic alkyl substituted hydroxy aromatic, an...
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3945933 |
Metal complexes of nitrogen compounds in fluids
Multiple metal complexes of nitrogen compounds are prepared by reacting in any desired order (1) an organic reactant, preferably an alkenylsuccinic acid or anhydride or a polyalkylphenol-aldehyde...
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3932288 |
Aminosulfonic acid-heterocyclo propane-amine reaction products and fuels and lubricants containing same
Compositions made by reacting (A) an acylated amino hydrocarbyl sulfonic acid having an acyl portion containing a substantially saturated hydrocarbyl substituent of at least about 12 carbon atoms...
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3714042 |
TREATED OVERBASED COMPLEXES
Treat overbased complexes with high molecular weight aliphatic carboxylic acids, anhydrides, esters, amides, imides, or salts. The treated overbased complexes may be used as additives in...
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3658494 |
FUEL COMPOSITIONS COMPRISING A COMBINATION OF MONOETHER AND ASHLESS DISPERSANTS
Fuel compositions containing an additive combination comprising an oxy compound and a dispersant. The oxy compounds are the monoethers of glycols and polyglycols. The dispersants are the esters,...
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3541012 |
LUBRICANTS AND FUELS CONTAINING IMPROVED ACYLATED NITROGEN ADDITIVES
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3440247 |
REACTION PRODUCTS OF PHOSPHITE DIESTERS WITH IMIDAZOLINES OR OXAZOLINES
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3284354 |
Reaction product of metal dithiophosphate, polyamine and alkenyl succinic acid or anhydride
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3277133 |
Phosphorus-, sulfur-, and metal-containing composition
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3267082 |
Copolymers of specific heterocyclic compounds
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3241932 |
Gasolines
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3147264 |
4-hydroxyalkylamino-1, 8-naphthalic acid imide dye salts of oil-solubilizing quaternary ammonium halides
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3062631 |
Inhibiting corrosion
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3060007 |
Hydrocarbon oils containing reaction products of imidazolines and alkylene iminodiacetic acids
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3013975 |
Rust preventive compositions containing heterocyclic ketone condensates of acyclic succinic acids
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2968629 |
Method of inhibiting corrosion
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2968618 |
Stabilized hydrocarbon oil
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2850453 |
Corrosion inhibited oil compositions
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2799652 |
Corrosion resistant composition
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