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7566687 |
Methods and compositions for removing sulfur from liquid hydrocarbons
Improved desulfurization compositions are provided for removing substantial fractions of sulfur, sulfur complexes, and sulfur compounds from liquid hydrocarbons such as crude oil and fuels. The...
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7452851 |
Lubricant compositions
Lubricant compositions having improved anticorrosion performance comprising an extreme pressure compound comprising a sulfur-containing compound, an antiwear compound comprising a...
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6235687 |
Method for producing lubrication oils possessing anti rust properties containing acidic anti rust additive and acid scavengers
Lubricating oils exhibiting anti rust properties are obtained by adding to the lubricating oil an acidic anti rust additive and an acid scavenger such as carbodiimide, in a specific sequence.
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5945388 |
Lubricating oil compositions
A lubricating oil composition suitable for use in a low or medium speed diesel engine comprising a fuel oil with a residual oil content is characterised in that the lubricating oil composition...
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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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5900392 |
Aqueous belt lubricant composition based on fatty alkyl propylene tettramines and fatty alcohol polyglycol ethers and method for lubricating belt conveyor systems
An aqueous belt lubricant composition comprising water and from 1.0 to 10 wt % of at least a fatty alkyl propylene tetramine, from 1.0 to 10 wt % of at least a fatty alcohol polygylcol ether, all...
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5851969 |
Grease containing diamine corrosion inhibitors
The present invention is directed to a grease containing base oil, a thickener and a hydrocarbyl substituted diamine additive exhibiting enhanced resistance to corrosion.
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5547593 |
Lubricant oil composition comprising a fluorine-containing aromatic compound and an alkyl- or alkyl derivative-substituted aromatic compound, and a refrigerant composition containing the same
Disclosed is a lubricant oil composition comprising: (A) a fluorine-containing aromatic compound, and (B) an alkyl- or alkyl derivative-substituted aromatic compound having a kinetic viscosity of...
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5516443 |
Compounds and fuel compositions
A novel compound comprises a chemical compound comprising or including a cyclic ring system such as an aromatic ring system, the compound carrying at least two substituents of the general formula...
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5489711 |
Synthetic lubricant antioxidant from monosubstituted diphenylamines
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...
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5368760 |
Method for production of cystamine and alkylene oxide adduct thereof, additive for aqueous lubricant, and aqueous lubricant
Cystamine is produced by a method which comprises reacting a 2,2-dialkyl thiazolidine represented by the general formula (1): ##STR1## wherein R 1 and R 2 independently are alkyl groups of 1 to 5...
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5198134 |
Substituted naphthalenediamine stabilizers
N-Allyl and N-methylene-thio substituted naphthalene-1,8- or -1,5-diamine compounds are very effective antioxidant stabilizers for organic material subject to oxidative or thermal degradation,...
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5169546 |
Multifunctional viscosity index improvers having dispersant and antioxidant properties and lubricating oil composition containing same
An additive, a lubricating oil composition which incorporates the additive, and a concentrate for a lubricating oil are disclosed. The additive includes (a) a halogenated copolymer prepared from...
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5030370 |
Novel dispersant viscosity index improver compositions
The novel compositions of the present invention comprise (A) lubricating oil and (B) at least one amino-substituted polymer (e.g., an ethylene alpha-olefin interpolymer substituted by primary amino...
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5019286 |
Low viscosity aromatic carbonate lubricating oil concentrates
According to the present invention, a process is provided for forming a lubricating oil concentrate containing aromatic carbonate which comprises admixing lubricating oil, aromatic carbonate and at...
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4985160 |
Branched polymers as fuel oil additives
Oil soluble copolymers comprised of an addition-type polymeric main chain and a plurality of addition-type polymeric side branches which contain basic amine groups are disclosed which stabilize...
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H000815 |
Lubricant composition containing a viscosity index improver having dispersant properties
The present invention relates to a lubricant composition containing a minor amount of a thermally stable modified selectively hydrogenated alkenyl arene/conjugated diene copolymer wherein a primary...
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4627929 |
Stabilized lubricants based on polyethers
Stabilized lubricants based on polyethers containing diphenylamine derivatives of the formula ##STR1## in which R 1 denotes hydrogen, a straight-chain or branched C 4 to C 12 -alkyl group, a...
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4568473 |
Amine bearing polymeric particles as acid neutralizers for engine oils
This invention is directed to acid neutralizer additives for engine oils, which additive comprise polymeric particle bearing amine functionality on the polymerized particle and a non-polar...
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4456541 |
Antioxidant diamine
Organic material such as lubricating oil is stabilized against gradual oxidative degradation by the addition of aromatic diamines such as 3,5-diethyltoluene-2,4-diamine,...
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4411805 |
N,N',N"-Trisubstituted-bis-(p-aminobenzyl) anilines as antioxidants
A class of N,N',N"-trisubstituted bis-(p-aminobenzyl)anilines are found to be effective antioxidants in a broad spectrum of petroleum and petroleum related products. Trialkyl, tri(arylmethyl), and...
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4252746 |
Polymeric reaction products of poly(alkoxyalkylene)amines and epihalohydrins
Novel compositions of matter comprise the reaction products of one molar proportion of poly(oxyalkylene)amines with from about 0.5 to about 2.0 molar proportion of epihalohydrins at a temperature...
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4202782 |
Multifunctional additives for lubricants
Condensation product is prepared by condensing diphenylamine and 2-octanone in the presence of acid catalyst. The product is formulated with p,p'-dioctyldiphenylamine antioxidant and incorporated...
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4168242 |
Novel alkenyl-substituted oxa-amines and their use as additives for lubricating oils and fuels
Novel compositions of matter comprising alkenyl amines are provided. They are prepared by the reaction of a halogenated polyolefin with at least one polyamine having an ether group, such as...
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4066561 |
Organometallic compounds and compositions thereof with lubricants
Metallic compounds of polyarylamine sulfides and polyarylamine-phenol sulfides are provided. Said compounds function as dispersants and lubricants are stabilized against oxidation and have their...
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4049716 |
Compositions based on polyamines with ether groups
Polyamine ether compounds useful as intermediates for producing additives for lubricating oils are provided as well as a process for the production of said compounds.
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3814212 |
WORKING OF NON-FERROUS METALS
In the working of non-ferrous metals, particularly zirconium or alloy thereof or titanium or alloy thereof, the improved method of using a mono- or polyamine containing at least 12 carbon atoms as...
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3779923 |
ALKYLATED METHYLENEDIANILINE TARS
Alkylated methylenedianiline tars having the formula ##SPC1## Wherein each R is independently a secondary 2-alkyl radical having from about three to about 10 carbon atoms and n is from about 0.7 to...
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3755171 |
LUBRICANT ADDITIVE MIXTURE
Lubricant containing a mixture of a di-(sec-alkylamino)-diphenylpropane or di-(cycloalkylamino)-diphenylpropane and polymeric condensation product of epihalohydrin compound and amine.
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3665038 |
PROCESS FOR PREPARING CARBON-CARBON COUPLED DIMERS OF N-ARYLNAPHTHYLAMINES
Carbon-carbon coupled dimers of N-arylnaphthylamines are prepared by thermally decomposing an N-nitroso-N-aryl-naphthylamine. The aryl portion of such material may be phenyl, naphthyl or an alkyl-,...
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3655561 |
LUBRICANT COMPOSITIONS CONTAINING ARYL-INDANO SECONDARY AMINES
Organic base compositions, subject to oxidative deterioration, are provided containing a stabilizing amount of an aryl-indano secondary amine having the structure: ##SPC1## Wherein Ar is phenyl,...
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3509214 |
OIL SOLUBLE OXIDIZED NAPHTHYLAMINE COMPOSITIONS
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3459683 |
ADDITION COMPOUNDS OF CERTAIN SODIUM AND LITHIUM SALTS WITH 4,4'-METHYLENEDIANILINE
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3445391 |
ORGANIC COMPOSITIONS CONTAINING AMINOQUINONES
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3394190 |
Synthesis of perfluoroparacresol perfluoroparathiocresols, and polyoxyperfluorobenzylene
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3331788 |
Reaction products of certain amines and certain polyepihalohydrins
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3293297 |
Nu-oxyalkylated-aminediphenyl-oxo-and amino-compounds
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3219697 |
Tricyclodecane amino polyols
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3217038 |
Stabilization of organic substances
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3216939 |
Stabilization of lubricants
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3198736 |
Lubricating composition
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3189548 |
Polyphenyl ethers containing an extreme pressure additive
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3136783 |
Polyether polynitriles and polyether polyamines
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3072617 |
Copolymer compositions of benzalalkylimine
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2876248 |
Polymeric polychloro-polyfluoroalkyl phosphonitrilates
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2809164 |
Oxidation inhibitors for lubricating oil
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3842010 |
Title is not available
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3804762 |
Title is not available
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3794586 |
Title is not available
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3641149 |
Title is not available
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