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7485604 |
Lubricant composition and method for using and preparing thereof
A novel lubricant composition is disclosed. The composition comprises a molecular complex formed by intermolecular interaction between molecules capable of tautomerization, wherein at least one of...
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7399735 |
Perfluoropolyether additives
Compounds formed of (per)fluoropolyether chains and end groups having a pyridine structure, with structural formula:
T 1 -CW 1 —O—R f...
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7285518 |
Dibenzo[b]perhydroheterocyclic amines and lubricating oil compositions
Dibenzo[b]perhydroheterocyclic amine compounds have shown to be particularly useful as stabilizers. The compounds may serve as antioxidants, antiozoants, heat stabilizers and ultraviolet light...
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6573222 |
Lubricating layer in photographic elements
The present invention is an imaging element which includes a support, at least one imaging layer superposed on the support and a protective topcoat superposed farthest from the support. The topcoat...
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6150306 |
Fluorescent tracer dyes
A dye composition has the formula: ##STR1## where R 1 and R 2 are the same or different and are selected from (A) C 2 -C 12 alkyloxyalkyl, and (B) C 9 -12 alkyl, (A) comprising from about 30 to...
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5858930 |
Liquid Benz-iso-Quinoline derivatives
1,8-Naphthalimide derivatives of Formula (I) are useful as fluorescent dyes: ##STR1## wherein R 1 and R 2 are each independently selected from the group consisting of branched alkyl groups...
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5240622 |
Dioxaphosphorinane compounds as stabilizers for organic materials
Composition containing an organic polymer, with the exception of epoxy-based polymers, a lubricant, a metal-working fluid or a hydraulic fluid and, as stabilizer, at least one dioxaphosphorinane...
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5238588 |
Dispersant, VI improver, additive and lubricating oil composition containing same
An additive composition comprising a graft and aminoheteroaromatic derivatized copolymer prepared from ethylene and at least one C 3 -C 10 alpha-monoolefin and, optionally, a comprising from...
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5225549 |
Perfluoropolyether lubricants for electromagnetic recording media
Lubricants for electromagnetic recording media are characterized in that they are amides, imides or amide-imides consisting of perfluoroalkylpolyether derivatives. The derivatives are reacted with...
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5223127 |
Hydrogen sulfide scavengers in fuels, hydrocarbons and water using amidines and polyamidines
A method for scavenging hydrogen sulfide in an aqueous and/or hydrocarbon medium is disclosed. According to the method, the medium is contacted with an effective amount of an amidine selected from...
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5147571 |
Dispersant, VI improver, additive and lubricating oil composition containing same
A lubricant additive prepared by the method comprising: (a) mixing a polmer consisting of a polymerized ethylene and at least one (C 3 -C 10 ) alpha-monolefin, with methyl acrylamido-glycolate...
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5094765 |
Lubricating oil composition
A dispersant and viscosity index improver for lubricating oils containing an EPR or EPT polymer onto which has been free radically grafted an unsaturated urethane or unsaturated urea.
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5002698 |
Sulfur- and nitrogen-containing lubricant additives
Compositions containing a lubricant, a hydraulic fluid or a metal-working fluid and at least one compound of the formula I ##STR1## in which R, R 4 , R 5 and n are as defined in claim 1, are...
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4995997 |
Antibacterial water-soluble cutting fluid resistant to yeast-like fungi
A bactericide is added to conventional water-soluble cutting fluids to suppress deterioration by microorganisms. Such fluids are however accompanied by the drawbacks that the bactericide has a...
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4840741 |
Ashless anti-wear additives
An anti-wear additive for a functional fluid, such as a lube oil, is disclosed. The additive comprises selected substituted pyridines, pyrimidines, pyrazines, pyridazines and/or fused ring...
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4510063 |
Amine-polymer dispersants in lubricating oils and a method of improving the dispersancy of a lubricating oil
Polymers containing amine functionality, prepared by hydrolyzing polymers bearing carbamate functionality, may be converted to dispersants useful in lubricating oils.
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4426306 |
Antioxidants and lubricating oil containing same
This invention relates to improved hydrocarbon lubricating oil compositions. More particularly this invention relates to hydrocarbon oil compositions which possess improved oxidation inhibition...
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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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4390437 |
Lubricant antioxidants
This invention relates to improved hydrocarbon lubricating oil compositions. More particularly this invention relates to hydrocarbon oil compositions which possess improved oxidation inhibition...
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4388200 |
Quaternary ammonium salt composition and lubricating oil containing same
A quaternary ammonium salt composition represented by the formula: ##STR1## in which R is a hydrocarbyl radical having from 25 to 200 carbon atoms, x is a number from 2 to 4, y has a value from 0...
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4386002 |
Imines of aminodiphenyl esthers as antioxidants and lubricating oils and greases containing same
N-Arylmethylideneaminodiphenyl ethers are effective antioxidants for high pressure applications. The corresponding 4'-methoxy analogs, such as 4-benzylideneamino-4'-methoxydiphenyl ether and 2- and...
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4380497 |
Amines of alkoxydiphenyl esthers as antioxidants and lubricating oils and greases containing same
N-Monosubstituted 2'- or 4'-amino-4-alkoxy-diphenyl ethers, where the N-substituent is an arylmethyl group, are effective antioxidants in a wide variety of petroleum products and petroleum related...
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4378298 |
Imines of 2,4-diaminodiphenyl ethers as antioxidants for lubricating oils and greases
Imines of 2,4'-diaminodiphenyl ethers are effective antioxidants in petroleum and petroleum-related products. Especially desirable are 2,4'-bis-(N,N'-arylmethylideneamino)phenyl ethers, where the...
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4374741 |
Polyamide and functional fluid containing same
Polyoxyalkylene polyamide lubricants having a terminal carboxylic acid group and a terminal amine group in the same molecule and a degree of polymerization of from 2 to 10 and salts thereof are...
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4339336 |
Quaternary ammonium succinimide salt composition and lubricating oil containing same
A quaternary ammonium succinimide salt composition represented by the formula: ##STR1## in which R is a hydrocarbyl radical having from 25 to 200 carbon atoms, R i is a divalent hydrocarbon...
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4329240 |
Lubricating oil compositions containing dispersant additives
Fuel compositions for internal combustion engines are provided containing deposit control additives which maintain cleanliness of intake systems without contributing to combustion chamber deposits....
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4320021 |
Amino phenols useful as additives for fuels and lubricants
Amino phenols of the general formula ##STR1## wherein R is a substantially saturated, hydrocarbon-based group of at least about 30 aliphatic carbon atoms, a, b and c are, for example, each 1, 2 or...
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4309294 |
N,N'-Disubstituted 2,4'-diaminodiphenyl ethers as antioxidants
N,N'-disubstituted 2,4'-diaminodiphenyl ethers are a potent antioxidant for petroleum products and petroleum-related products. In particular, the N,N'-dibenzyl derivative and other aromatic and...
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4292185 |
Polymeric additive for lubricants and fuels
Polymeric additives comprising a diene-modified mono-olefinic backbone polymer functionalized with chlorosulfonyl isocyanate and post-reacted with a nitrogen compound. The additives impart combined...
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4233168 |
Lubricant compositions containing dispersant additives
Lubricant compositions for internal combustion engines are provided containing dispersant additives which prevent sludge and varnish formation in the crankcase. The additives are oil-soluble...
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4183817 |
Load-carrying additives and compositions thereof
Adducts of alkylphosphorous triamides with alpha, beta-unsaturated carbonyl compounds provide novel sulfur-free load-carrying additives for various organiccompositions, e.g., lubricant oils.
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4178253 |
Corrosion inhibited lubricant compositions
A lubricating oil composition comprising 0.001% to 10%, based on the total lubricating composition, of a compound of formula I: ##STR1## wherein x is an integer from 1 to 25; R, R 1 and R" are the...
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4089792 |
Synergistic antioxidant additive composition
A lubricating oil additive composition which imparts improved oxidaton properties to crankcase lubricants comprises an antioxidant selected from aromatic or alkyl sulfides and polysulfides,...
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3903002 |
Lubricant
A lubricating composition is disclosed having improved multifunctional properties and comprises a major amount of an oil of lubricating viscosity and minor amounts of a phenolic or an amine...
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3884822 |
Lubricant composition containing 3-amidopyridine corrosion inhibitor
Lubricant compositions containing, in an amount sufficient to inhibit metal corrosion, an amidopyridine obtained by reacting an aminopyridine and oleic acid.
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3868376 |
Bis N,N piperazine phosphoramides and their preparation
Novel bisphosphoramides are prepared by reacting phosphorus oxychloride with a difunctional compound and a monofunctional compound within a liquid phase reaction medium to produce compounds having...
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3859219 |
BISPHOSPHORAMIDE-SULFUR COMPOUND CONTAINING LUBRICANT
A lubricating composition is disclosed having improved multifunctional properties and comprises a major amount of an oil of lubricating viscosity and minor amounts of an oleophilic organic sulfur...
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3507880 |
N-SUBSTITUTED IMIDES,ACID-AMIDES AND ESTER AMIDES
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3445387 |
POLAR SUBSTITUTED POLYMERS AS DETERGENTS-VISCOSITY INDEX IMPROVERS
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3373112 |
Tris(hydrocarbyl alkylene polyamines) as lubricating oil detergents
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3330762 |
Lubricant compositions
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3330763 |
Lubricants containing an amino thiocyanate and a cyclic amine
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3322799 |
Process for preparing molybdenum carbonyl complexes
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3321402 |
Lubricating composition
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3317571 |
Tris(n, n-dimethylformamide)molybdenum tricarbonyl and process for preparing same
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3309314 |
Lubricant compositions
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3303131 |
Lubricant compositions
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3296136 |
Lubricant compositions of improved oxidation resistance
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3288713 |
Synthetic ester lubricants containing antioxidants
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3287266 |
Lubricating composition
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