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HIGH MOLECULAR WEIGHT POLYMERS AS VISCOSITY MODIFIERS

Application Number: 20130130958
Publication Date: 2013-05-23
Inventor: SHELL OIL COMPANY,

A lubricating composition comprises a base oil and between 10 ppm and 1000 ppm of a viscosity modifier, the viscosity modifier comprising a polymer having a number average molecular weight greater than 500,000. The polymer is preferably selected from the group consisting of ethylene-propylene copolymers, ethylene-propylene-diene copolymers, ethylene-propylene-acrylate copolymers, ethylene-propylene-methacrylate copolymers, ethylene-propylene-aromatic copolymers, ...

GREASE COMPOSITION AND MECHANICAL PART

Application Number: 20130130957
Publication Date: 2013-05-23
Inventors: Aida, Ryo; Imai, Junichi; Yoshinari, Terasu; Matsubara, Kenichiro

The invention provides a grease composition containing a base oil, a thickener and a rust inhibitor, characterized in that the rust inhibitor includes an organic sulfonate and a fatty acid amine salt. The grease composition of the invention exhibits excellent rust preventing characteristics and causes little damage to the ...

SYNERGISTIC MIXTURE

Application Number: 20130130956
Publication Date: 2013-05-23
Inventors: Posselt, Dietmar; LANGE, Arno

A synergistic mixture comprising from 1 to 99.9% by weight of compounds having structural elements (I)

in which the free valencies on the oxygen atom and on the nitrogen atom may be combined to form a five-, six- or seven-membered ring and the benzene ring may also bear substituents at one or more of the free positions, and from 0.1 to 99% by weight of sulfur-containing organic compounds with antioxidant action. This synergistic ...

LUBRICANT OIL COMPOSITIONS

Application Number: 20130130955
Publication Date: 2013-05-23
Inventors: Canteenwala, Taizoon; Kumar, Rajesh; Kumar, Vijayendra; Cholli, Ashok L.; Dhawan, Ashish; Yang, Suizhou

Compositions comprise first antioxidants and first additives, such as, a surface additives, performance enhancing additives and lubricant protective additives and optionally second additives and/or second antioxidants. The compositions are useful to improve lubricants, lubricant oils and other lubricant materials. The compositions and methods generally provide longer shelf lives, increased oxidative resistance, improved quality and/or enhanced performance to lubricants or lubricant ...

LUBRICANT OIL COMPOSITION

Application Number: 20130130954
Publication Date: 2013-05-23
Inventor: IDEMITSU KOSAN CO., LTD.,

Provided is a lubricating oil composition, which is used in an internal combustion engine employing a fuel containing at least one kind selected from a hydrogenated product of natural fats and oils, a transesterification product of natural fats and oils, and a hydrogenated product of a transesterification product of natural fats and oils, which includes an alkali metal borate or a hydrate thereof in an alkali metal-corresponding amount of 10 to 1,000 ppm by mass in terms of total amount of the ...

WATER RESISTANT GREASE COMPOSITION

Application Number: 20130130953
Publication Date: 2013-05-23
Inventor: ExxonMobil Research and Engineering Company,

A grease with improved water resistance is based on a combination of a polyamide thixotrope with a water insoluble thickener, preferably a lithium soap/complex thickener and an antioxidant/corrosion inhibitor/antiwear additive package. The improvement is maintained when highly effective or aggressive rust inhibitors which normally tend to degrade water wash out resistance are present in the grease. Another advantage is that resistance to fretting is significantly improved to the extent that the ...

PROCESSES FOR PREPARING LOW VISCOSITY LUBRICATING OIL BASE STOCKS

Application Number: 20130130952
Publication Date: 2013-05-23
Inventors: Patil, Abhimanyu Onkar; Luo, Shuji

A process for the oligomerization of C₆-C₂₄alpha-olefins to give a polyolefin product comprising at least 50 mole % of alphaolefin trimers. The process involves contacting two or more C₆-C₂₄alpha-olefins with a catalyst in a solvent at a temperature below 120° C. and under reaction conditions sufficient to produce the alphaolefin trimers. The polyolefin product has a viscosity (Kv₁₀₀) from 2 to 8 cSt at 100° C., and a viscosity index ...

SU-8 NANO-COMPOSITES WITH IMPROVED TRIBOLOGICAL AND MECHANICAL PROPERTIES

Application Number: 20130130951
Publication Date: 2013-05-23
Inventor: National University of Singapore,

Substantially homogenous compositions in accordance with the present disclosure can exist in various forms, such as bulk materials, coatings, films, laminates, inserts, or overlays, and include at least one polymer such as SU-8, at least one liquid lubricant, and optionally at least one nanomaterial that serves as an inorganic filler material. Such compositions exhibit enhanced tribological and mechanical properties compared to the at least one polymer in isolation, for instance, a 50% or ...

Sliding Layer for Multilayer Bearing Material

Application Number: 20130130054
Publication Date: 2013-05-23
Inventors: Peng, Yuan H.; Kim, Michael

A sliding layer for a multi-layer bearing material that is free of lead. The sliding layer can include PTFE, sphalerite, and solid lubricants. The solid lubricants can include graphite and antimony oxide. In some embodiments, the sliding layer includes from 70 to 89 vol % PTFE, from 10 to 20 vol % sphalerite, and from 1 to 10 vol % solid lubricant (for example, graphite and antimony ...

ANTI-FRETTING WEAR COATING FOR SUBSTRATES

Application Number: 20130130014
Publication Date: 2013-05-23
Inventors: Scharf, Thomas W.; Mohseni, Hamidreza; Tiley, Jaimie S.

A method and chemical composition and material structure for improving fretting wear in substrates, particularly carbon-carbon composite (CCC). The invention relates to trilayer coatings, comprising a base of hard ZrO₂, a middle layer of Al₂O₃, and atop layer of lubricious ZnO. The coatings of the present invention exhibit conformality and pore-filling down to approximately 100 microns into a carbon-carbon composite to which they are applied. The methods for ...

LUBRICANT COMPOSITION FOR LOW-FRICTION SLIDING MATERIAL AND SLIDING MECHANISM USING SAME

Application Number: 20130129264
Publication Date: 2013-05-23
Inventors: Kaji, Masashi; Tsujioka, Masanori; Miyake, Koji; Watanabe, Nobuaki

A lubricant oil composition containing an organic molybdenum compound which contains at least either one of a nitrogen (N) atom and an oxygen (O) atom in the molecule thereof and which may optionally contain a sulfur (S) atom, wherein a sulfur content of the organic molybdenum compound is 0.5% by mass or less based on the organic molybdenum compound. The lubricant oil composition, when used as a lubricant oil for a low-friction sliding material, exhibits an extremely low friction coefficient. A ...

Organogel Compositions Comprising Alkylated Benzimidazolones

Application Number: 20130123375
Publication Date: 2013-05-16
Inventors: Makeiff, Darren A.; Carlini, Rina

Disclosed is a composition comprising an organogel which comprises: (a) an alkylated benzimidazolone compound; and (b) an organic ...

LUBRICATING OIL COMPOSITIONS

Application Number: 20130123157
Publication Date: 2013-05-16
Inventors: Campbell, Curt; Lecroq, Hélène; Spala, Eugene E.; Sinquin, Gilles

Disclosed herein is a neutral or overbased salt of a sulfurized alkylhydroxyaromatic compound obtained by the process comprising the steps of (a) sulfurizing an alkylhydroxyaromatic compound derived from alkylation of a hydroxyaromatic compound with one or more olefins comprising C₉to C₁₈oligomers of monomers selected from propylene, butylene or mixtures thereof to provide a sulfurized alkylhydroxyaromatic reaction product; (b) removing any unsulfurized ...

LUBRICANT COMPOSITION

Application Number: 20130123156
Publication Date: 2013-05-16
Inventor: R.T. VANDERBILT COMPANY, INC.,

1-[Di(4-octylphenyl)aminomethyl]tolutriazole is prepared in a mineral oil wherein the reaction also contains between 0.1 and 5% by weight of a polyacrylate polymer dissolved in a mineral oil. The liquid product shows increased storage stability with respect to crystallization of the 1-[di(4-octylphenyl)aminomethyl]tolutriazole when the polyacrylate polymer is added during the reaction to prepare the 1-[Di(4-octylphenyl)aminomethyl]tolutriazole. This product can be utilized in a lubricant ...

GLYCEROL-CONTAINING FUNCTIONAL FLUID

Application Number: 20130123155
Publication Date: 2013-05-16
Inventors: Li, Yue-Rong; Plavac, Frank; Frazier, Rawls

A functional fluid comprising a major amount of an oil of lubricating viscosity, and an oil soluble amount of glycerol carbonate or an oil soluble amount of a borated ...

METHODS AND COMPOSITIONS FOR REDUCING WEAR IN INTERNAL COMBUSTION ENGINES LUBRICATED WITH A LOW PHOSPHOROUS CONTENT BORATE-CONTAINING LUBRICATING OIL

Application Number: 20130123154
Publication Date: 2013-05-16
Inventor: Boffa, Alexander B.

Disclosed are methods and lubricant compositions for reducing wear in internal combustion engines lubricated with a low phosphorous content lubricating oil. The lubricant compositions of this invention comprise a synergistic combination of a dispersed, hydrated, alkali metal borate and at least one phosphorous-containing compound wherein the total phosphorous employed in the composition is no more than about 0.08 weight percent based on the total weight of the ...

MAGNETO-RHEOLOGICAL GREASE COMPOSITION

Application Number: 20130123153
Publication Date: 2013-05-16
Inventors: YOKOHAMA NATIONAL UNIVERSITY, ; KYODO YUSHI CO., LTD.,

The invention provides a magneto-rheological grease composition which contains (a) a base oil including at least 30% by mass of an ether type synthetic oil; (b) an aliphatic diurea thickener; and (c) magnetic particles in an amount of 45 to 95% by mass based on the total mass of the composition. The magneto-rheological grease composition can show superior thermal stability, dispersion stability and magneto-rheological ...

RAPID CURE SILICONE LUBRICIOUS COATINGS

Application Number: 20130122314
Publication Date: 2013-05-16
Inventor: Ou, Duan Li

Novel, lubricious coatings for medical devices are disclosed. The coatings provide improved lubricity and durability, and are readily applied in coating processes. The present invention is also directed to a novel platinum catalyst for use in such coatings. The catalyst provides for rapid curing, while inhibiting cross-linking at ambient temperatures, thereby improving the production pot life of the ...

Association product of amino functional hydrophobic polymers with hydrophilic polymers containing acid groups, methods of preparation, and applications for employing the same

Application Number: 20130121948
Publication Date: 2013-05-16
Inventors: Dussaud, Anne; Lu, Ning

There is provided herein a composition comprising the non-covalent bonded reaction product of a hydrophilic polymer containing an acid functional group and a hydrophobic polymer which contains an amine group bound directly to the hydrophobic polymer backbone; and, optionally a diluent, as well as a process of making such a ...

FORMATION AND BREAKING OF EMULSION USING LOW MOLECULAR WEIGHT AMINE

Application Number: 20130118598
Publication Date: 2013-05-16
Inventors: Gutierrez, Xiomara; Saud, Raul

A method for transporting a heavy crude oil, includes the steps of mixing a heavy crude oil with water, a low molecular weight amine and salt at a mixing intensity of less than 300 rpm to produce an oil in water emulsion; transporting the oil in water emulsion to a destination; and adding an additional quantity of salt and heat to the oil in water emulsion to break the emulsion and produce a heavy crude oil phase which is at least 90% ...

LUBRICANT COMPOSITIONS AND ROLLING DEVICE

Application Number: 20130116158
Publication Date: 2013-05-09
Inventors: Hachiya, Koichi; Mori, Kanako; Yokouchi, Atsushi

The lubricant compositions of the invention include a saturated fatty acid triglyceride as a lubricating ingredient and further contain an antioxidant or a thickener which is magnesium stearate or calcium stearate. Consequently, the lubricant compositions are harmless even when eaten, have excellent lubricity, and impose little burden on the environment. The rolling device of the invention not only imposes little burden on the environment because the device is lubricated with either of these ...

SLIDING MATERIAL BASED ON GRAPHITE-ADDED RESIN AND SLIDING MEMBER

Application Number: 20130116157
Publication Date: 2013-05-09
Inventors: Mukai, Ryo; Masamura, Takao; Sawamoto, Akira; Yokota, Hiromi; Akizuki, Masanori

[Task] Seizure resistance of sliding material based on graphite-added resin is improved.

[Means for Solution] A sliding material based on graphite-added resin has composition (1); graphite: average particle diameter of from 5 to 50 μm, a degree of graphitization of 0.6 or more, the number of graphite particles having a minimum diameter/maximum diameter ratio of 0.5 or more amounts to 50% or more of the total number of the graphite particles observed in a ...

CATALYST SYSTEM FOR THE PREPARATION OF AN ESTER AND PROCESSES EMPLOYING THIS ESTER

Application Number: 20130109763
Publication Date: 2013-05-02
Inventors: Schweichler, Thomas; Daute, Peter; Schäfer, Martin

The present invention relates to a process for the preparation of an ester in a reactor, wherein at least one of at least two different catalysts is an electron donor and a further catalyst is a sulphur-containing proton donor; a device, a process for the preparation of a thermoplastic composition comprising the ester prepared according to the invention, a process for the production of a shaped article comprising the ester according to the invention or the thermoplastic composition according to ...

LOW VISCOSITY LUBRICATING OIL BASE STOCKS AND PROCESSES FOR PREPARING SAME

Application Number: 20130109604
Publication Date: 2013-05-02
Inventor: ExxonMobil Research and Engineering Company,

A composition that includes one or more compounds represented by the formula

R₁(X)R₂

wherein R₁is an alkyl group having from 4 to 40 carbon atoms, R₂is an aliphatic group having from 4 to 20 carbon atoms, an aromatic group having from 6 to 20 carbon atoms, or a cycloaliphatic group having from 5 to 20 carbon atoms, and X is a heteroatom. The ...

FUEL AND ENGINE OIL COMPOSITION AND ITS USE

Application Number: 20130109603
Publication Date: 2013-05-02
Inventor: Shell Oil Company,

A composition is provided that contains a major amount of a hydrocarbon base fluid having a viscosity of up to 600 cST at 40° C. and (b) a minor amount of a micronized methyl cellulose having a particle size distribution on average of less than 30 microns. The compositions reduce and control the friction coefficient and anti-wear film of ...

Calcium Carbonate Based Sulfonate Grease Compositions and Method of Manufacture

Application Number: 20130109602
Publication Date: 2013-05-02
Inventor: Waynick, J. Andrew

An overbased calcium sulfonate grease composition comprising a reduced amount of overbased calcium sulfonate, added calcium carbonate, base oil, one or more converting agents, and one or more complexing acids if a complex grease is desired. The calcium sulfonate grease composition improves thickener yield and expected high temperature utility as demonstrated by dropping point. The calcium carbonate may be used to react with complexing acids when making a complex grease, such that the addition ...

FULLERENE-LIKE NANOSTRUCTURES, THEIR USE AND PROCESS FOR THEIR PRODUCTION

Application Number: 20130109601
Publication Date: 2013-05-02
Inventor: Yeda research and development company ltd.,

A nanostructure, being either an Inorganic Fullerene-like (IF) nanostructure or an Inorganic Nanotube (INT), having the formula A_1−x-B_x-chalcogenide are described. A being a metal or transition metal or an alloy of metals and/or transition metals, B being a metal or transition metal B different from that of A and x being ≦0.3. A process for their manufacture and their use for modifying the electronic character of A-chalcogenide are ...

STRUCTURED CATALYTIC NANOPARTICLES AND METHOD OF PREPARATION

Application Number: 20130109600
Publication Date: 2013-05-02
Inventors: Reed, Kenneth J.; Difrancisco, Albert Gary; Prok, Gary R.; Allston, Thomas D.; Hailstone, Richard K.

A method of making a structured, doped, cerium oxide nanoparticle includes (a) forming a first reaction mixture including cerium(III), an optional metal ion other than cerium, a base, a stabilizer, and a solvent, (b) contacting the first reaction mixture with an oxidant, (c) forming a cerium oxide nanoparticle core by heating the product of step (b), (d) forming a second reaction mixture by combining with the first reaction mixture one or more metal ions other than cerium, and an optional ...

METHOD FOR RECOVERING OIL FROM USED LUBRICANTS

Application Number: 20130109599
Publication Date: 2013-05-02
Inventor: CITAMORA PROCESSES INC,

A method for recycling used lubricant oils into clean oils including mixing the used lubricant oil with a low and/or non-polar hydrocarbon solvent, like an aliphatic or oxygenated compound of 4-7 carbons linear molecule, and subjecting the mixture used lubricant/solvent(s) to at least one filtration with a medium of about 50,000 Daltons or less and the mixture is separated from the solid flocculated ...

HYDROCARBON FLUID COMPATIBLE MICRONIZED POLYMERS

Application Number: 20130108870
Publication Date: 2013-05-02
Inventor: SHELL OIL COMPANY,

Micronized polymers suitable for use in fuels and lubricants having a particle size distribution of less than 30 microns obtained from water-soluble solid organic polymers is provided. A water-soluble solid organic polymer having a number average molecular weight in the range of 1000 to 200,000 is subjected to a molecular segmentation in a polar solvent in a polymer to solvent ratio in the range of 1:1 to 1:10 to produce a micronized polymer having a particle size distribution of less than 30 ...