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5976202 |
Reaction products of polyolefins with vinyl esters and their use as fuel and lubricant additives
Reaction products of polyolefins having predominantly a terminal double bond and a number average molecular weight of from 250 to 10,000, which possess an aliphatic hydrocarbon skeleton which is...
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5906970 |
Additives and oleaginous compositions containing a dendrine coldflow improver additive
A dendrimer-based cold flow additive material.
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5750640 |
Oil-soluble reaction products of polyenes
The invention provides reaction products of: (A) an acylating reagent, with (D) a polyalkenyl derivative of an ethylenically unsaturated carboxylic reagent (C), and (E) a polyamine...
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5466267 |
Oligomeric/polymeric multifunctional additives to improve the low-temperature properties of distillate fuels
Additives which improve the low-temperature properties of distillate fuels are the oligomeric/polymeric reaction products of aromatic anhydrides and epoxides (or their corresponding acid/diol...
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5240469 |
Antifoulant composition comprising an acrylate ester containing C.sub.4 -C.sub.22 alcohol esters and amino alcohol esters and phenylene diamine
A method for preventing fouling of ethylene dichloride distillation units which comprises treating the feed to such units with a fouling preventing amount of a composition comprising: TBL ...
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5178641 |
Middle distillates of crude oil having improved cold flow properties
Crude oil middle distillates with improved cold flow properties, containing small amounts of A. conventional flow improver on an ethylene base, and B. copolymers which consist of 10 to 95...
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5080690 |
Polymer supported 1-alkyl-N,N-dialkyl aminoalcohols and fuel compositions containing same
Products of reaction between 1-alkyl-N,N-dialkyl ethanolamines and copolymers of maleic anhydride are new additives which are effective in lowering the cloud point of distillate fuels.
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5011504 |
Fuel oil additives
AB and ABA block copolymers of acrylics and acrylic amines are useful as oil additives to diminish sediment and color formation. The copolymers are preferably formed by group transfer polymerization.
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4900332 |
Nitrogenous copolymers, their preparation and use as additives for improving the pour properties of hydrocarbon middle distillates
Copolymers of average number molecular weight from about 300 to 5,000 comprising recurrent units originating (A) from alpha olefins, (B) from α,β unsaturated α, γ dicarboxylic compounds, (C)...
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4882034 |
Crude oil or fuel oil compositions
As a flow improver in a crude oil or a liquid hydrocarbon fuel are used polymers containing more than one amide group, the amide being an amide of a secondary amine, and either the amide group or...
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4769043 |
Oil containing dispersant VII olefin copolymer
A VII olefin copolymer, prepared by grafting allyl amine onto EPM or EPT, permits attainment of improved dispersancy and viscosity index in oils.
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4664676 |
Additives compositions useful in particular for improving the cold filterability properties of oil middle distillates
Additive compositions, useful in particular for improving the cold filterability properties of oil middle distillates, comprise: (A) at least one ethylene polymer; and (B) at least one...
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4556499 |
Process for improving the flow properties of mineral oils
A process for improving the flow properties of mineral oils by adding a copolymer consisting of from 66 to 99.9 weight % of ethylene and of from 0.1 to 40 weight % of vinylic acid amide and...
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4452610 |
Modified liquid hydrocarbons
Modified liquid hydrocarbon fuel, in particular aviation kerosene, having a reduced tendency to undergo mist formation when subjected to shock, contains from 0.05% to 2% of its weight of polymer...
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4359325 |
Copolymers from acrylate dicarboxylic compounds and diisobutylene as oil additives
Copolymers comprising acrylic ester units, dicarboxylic compounds units and diisobutylene units and whose average molecular weight by number is from 500 to 250,000 are useful for improving the...
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4201554 |
Fuel additive containing inner quaternary ammonium salt
As a fuel additive, the reaction product of a polymer having an amine group and an α-β-unsaturated C 3 -C 6 aliphatic carboxylic acid. Also disclosed herein is a fuel component, especially...
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RE30238 |
Additives to improve the flow of heavy fuels and crude oils
Long-chain, amide-containing esters of carboxylic acid-containing polymers as flow improvers in hydrocarbon oils are disclosed and claimed. These fluidity improvers are useful in hydrocarbon oils,...
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4183732 |
Use of quaternary ammonium salts of nitrogen containing polymers for improved carburetor detergency
A quaternary ammonium salt of a copolymer, said copolymer being the olefin polymerization product of: (A) a nitrogen amine free ester of a C 1 -C 6 olefinically unsaturated aliphatic mono-,...
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4179271 |
Amine oxide polymers and use thereof as fuel detergent
As a fuel additive, the oxidation product of a polymer having an amine group. Also disclosed herein is a fuel component, especially gasoline, containing such an amine oxide polymer as a detergent.
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4161452 |
Polyolefinic copolymer additives for lubricants and fuels
Graft copolymers wherein the backbone polymer is a polymeric hydrocarbon such as ethylene/propylene copolymer and the grafted units are the residues of an addition copolymerizable monomer system...
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4161392 |
Nitrogen containing polymers prepared from methacrylic esters as carburetor detergents and corrosion inhibitors
A copolymer comprising the olefin polymerization product of: A. a C 1 -C 6 saturated or unsaturated, substituted or unsubstituted, aliphatic or aromatic ester of an unsaturated aliphatic...
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3844731 |
MOTOR FUEL ADDITIVE
Diester-amide fuel additive prepared by esterifying a mole of trimer acid with two moles of an aliphatic alcohol having from 6 to 16 carbon atoms and amidating the intermediate diester reaction...
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3425942 |
LUBRICANTS CONTAINING POLYMERS OF AROMATIC N-3-OXOHYDROCARBON-SUBSTITUTED ACRYLAMIDES
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3363999 |
Hydrocarbon fuel additive
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3346353 |
Hydrocarbon oils of improved water tolerance and anti-rust characteristics
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3341455 |
Lubricants containing copolymeric nitrogen compounds
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3340030 |
Stabilized fuel oil compositions
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3309181 |
Transesterification product
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3277157 |
Polyoxyalkylene acrylates and methacrylates
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3222145 |
Stabilization of thermally unstable liquid hydrocarbon fuels
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3198738 |
Lubricating compositions and additives therefor
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3180835 |
Stable metal sols and method for producing the same
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3156679 |
Method of polymerizing nitro alcohol esters of acrylic and methacrylic acids
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3151957 |
Hydrocarbon fuel composition of improved pour point
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3141745 |
Dehazing polymer-containing hydrocarbon oils
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3095402 |
Copolymer of an alkyl acrylate and a glycidyl acrylate where the epoxy group is reacted with a polyamide
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3088931 |
Nitrogen containing polar monomer grafted on an isobutylene-monovinylether copolymer backbone
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3062744 |
Preventing heat exchanger deposits
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3037851 |
Stabilized leaded gasoline
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3033828 |
Oil-soluble oxygen-containing polymers
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3015546 |
Gasolines inhibited against the formation of deposits, sludge and varnish
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3010810 |
Compounded hydrocarbon fuels
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2982628 |
Gasoline fuel compositions
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2978302 |
Stabilized distillate fuels
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2974025 |
Ashless additive for fuels
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2938775 |
Hydrocarbon oils containing ashless dispersant inhibitors
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2892690 |
Compounded hydrocarbon fuels
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2888340 |
Fuel oil compositions
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2805925 |
Fuel oil compositions
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2800452 |
Stabilized hydrocarbon compositions
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