Matches 51 - 100 out of 169 < 1 2 3 4 >
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6277269 Producing pipelineable bitumen  
A bitumen is rendered pipelineable by partially hydroconverting the bitumen and then adding sufficient diluent to the partially hydroconverted bitumen to provide a mixture having an API gravity at...
6156709 Lubricating oil composition  
Lubricating oil compositions containing a medium molecular weight paraffin (MMWP) which is effective in improving the lubricant properties of an engine oil. The medium molecular weight paraffins...
6063261 Conditioning oil for bowling lanes  
Conditioning oil for use on bowling lanes. The oil contains a mixture of mineral oil, a leveling agent, and an antistatic agent. The mineral oil is a combination of paraffin and petroleum based...
6002056 Colorless petroleum markers  
Petroleum products are marked with a marker such as thymolphthalein or cresolphthalein. When the marked petroleum products are contacted with a developing reagent, a color develops.
5998530 Flowability of mineral oils and mineral oil distillates using alkylphenol-aldehyde resins  
Improving the flowability of mineral oils and mineral oil distillates using alkylphenol-aldehyde resins The invention relates to a process for improving the flowability of paraffin-containing...
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...
5725755 Catalytic dewaxing process for the production of high VI lubricants in enhanced yield  
A catalytic hydrodewaxing process is described for producing liquid hydrocarbon lubricant base stock from liquid hydrocarbon feedstock in greater yield and viscosity index equivalent to solvent...
5714656 Bases for lubricating oils and process for their preparation  
Composition of lubricating oil which comprises: a) a greater portion of synthetic lubricating component or a mixture of synthetic lubricating component and a mineral base for lubricating oils, the...
5543081 Lubricant additive  
A method of making a novel lubricant additive comprising a boric acid modified aminoamide compound is disclosed. A lubricating oil composition incorporating the modified aminoamide compound is also...
5520832 Tractor hydraulic fluid with wide temperature range (Law180)  
A lubricant oil composition suitable for use as a tractor hydraulic fluid which comprises (a) a lubricating oil base stock which is a blend of a major amount of paraffinic mineral oil and a minor...
5498353 Semi-synthetic two-stroke engine oil formulation  
A semi-synthetic two-stroke engine oil formulation which comprises a base oil consisting of a high-viscosity mineral oil, a medium-viscosity mineral oil, a solvent and a mixture of three...
5464851 Biocide composition and use  
A composition which contains a 2-halo-2-halomethyl glutaronitrile and a 4,5-polymethylene-4-isothiazolin-3-one. The compositions exhibit anti-microbial activity and certain combinations of...
5372703 Lubricating oils  
Lubricant base oils are made up essentially of 2-15% by weight of a total aromatics content, greater than 60% by weight of isoparaffins and monocyclic naphthenes in total, more than 30% by weight...
5362375 Oil compositions  
Oil compositions are disclosed which are substantially undeteriorative even in an oxidizing atmosphere and suitably applicable as lubricating oils, heat transfer oils, heat treating oils and...
5321172 Lubricating composition for two-cycle internal combustion engines  
Solvent-free lubricant compositions having improved lubricity properties comprising a basestock having a kinematic viscosity of about 1.5 to 3.0 cSt at 100° C., about 3 to 15 wt % of bright stock...
5306416 Process for making a blended lubricant  
A blended mineral oil lubricant is made having a higher viscosity index than predicted by calculating the viscosity index from an ASTM standard method designated D 341-87 or by calculating the...
5276227 C.sub.2 -C.sub.5 olefin oligomer compositions as shear stable viscosity index improvers  
Liquid hydrocarbon lubricant viscosity index improver compositions are disclosed having high shear stability. The compositions comprise the homopolymer or copolymer product of the oligomerization...
5015404 Oil composition containing hydrogenated oil  
An oil composition contains 100 parts by weight of a base oil selected from the group consisting of mineral base oil, synthetic base oil and mixtures thereof, and 0.1 to 20 parts by weight of a...
4994168 Lube oil product stripping  
The quality and yield of dewaxed, hydrotreated lube oil base stocks are improved by reducing the top temperature in the hydrotreated lube stripper so as to increase the proportion of heavy kerosene...
4990238 Non-carcinogenic light lubricants and a process for producing same  
A substantially non-carcinogenic light lubricant and a process for its production. The process comprises the step of blending an effective amount of a substantially non-tumorigenic vacuum distilled...
4897176 Method of preparing baseoil blend of predetermined coking tendency  
A process for preparing a baseoil blend of predetermined coking tendency, and for measuring the effectiveness of additives for reducing coking tendency in baseoils, utilizing the relationship of...
4853337 Blending of hydrocarbon liquids  
Crude oil (one of which is a high fouling crude oil) are blended to maintain the incompatible asphaltene thereof below a predetermined level thereby reducing the fouling tendency of the high...
4824983 New fluorine-containing siloxanes, their synthesis and use as defoaming agent  
Polysiloxanes of the general formula ##STR1## wherein R 1 is the same or different and represents alkyl or phenyl, R 2 is the same as R 1 or represents the C n F 2n +1 (CH 2 ) 2 O--, in...
4800029 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Lubricating oil composition  
A lubricating oil composition comprising: (A) a base oil having a naphthene content of at least 30%, an aromatic content of not more than 2%, and a kinematic viscosity at 100° C. of 1.5 to 30 cSt;...
4800013 Refrigerator oil composition  
The present invention relates to a refrigerator oil composition which comprises 70 to 98 wt % of a paraffin base oil having a pour point of not more than -35° C., a sulfur content of not more than...
4797218 Stabilizer thiirane derivatives containing hindered phenol groups  
Compounds of the formula I ##STR1## in which R 1 and R 2 , independently, denote alkyl with 1 to 6 carbon atoms, cycloalkyl with 5 to 8 carbon atoms, allyl, methallyl, aralkyl with 5 to 9 carbon...
4764265 Process for the manufacture of lubricating base oils  
Process for the manufacture of lubricating base oils from nitrogen-containing distillate and/or deasphalted oils by catalytic hydrotreatment followed by a dewaxing treatment, which comprises...
4717489 Heavy duty diesel engine oil blend  
A blend of solvent-extracted neutral (SEN) oils is described which is particularly useful in formulating heavy duty motor oils for lubrication of both diesel and gasoline engines. SEN 100, 140, and...
4620048 Hydrocarbon solutions of macromolecular polymers having an improved resistance to mechanical degradation  
Fluid solutions, e.g. mineral oil solutions, of polydispersed polymers have improved resistance to mechanical shear when said polymers have a narrow molecular weight distribution, i.e. ##EQU1## 10...
4555352 Lubricant additive  
The present invention provides a lubricant additive composition which functions both as a friction reducing agent and as an extreme pressure additive, and also has the ability, when incorporated in...
4548725 Reducing low temperature haze formation of hydrodewaxed base stocks  
A lubricant additive produced by reacting an alcohol and a maleic anhydride-olefin copolymer reduces low temperature micro-crystalline wax formation in hydrodewaxed based stock.
4533778 Traction fluid lubricants derived from mineral oil  
A traction fluid having a lubricant basestock comprising a selected mineral oil composition containing a saturate fraction having a significant portion made up of multiring components of at least...
4518481 Process for production of oxidation-resistant hydrocarbon oil composition, and oxidation-resistant composition made thereby  
An oxidation-resistant hydrocarbon oil composition is made by catalytically hydrogen-refining under relatively severe conditions a hydrocarbon oil basestock boiling in the lube oil boiling range...
4465606 Stabilization of hydrocarbon oil  
Hydroprocessed hydrocarbon compositions are inhibited or prevented from forming sediment upon exposure to light by the addition of chemical additives. These sediment inhibiting additives are...
4464275 Rust preventive oil for a low frictional torque tapered roller bearing  
A rust preventive oil comprising a base oil having a viscosity of from 10 to 20 centistokes at 40° C. which consists of from 70 to 80 percent by weight of low viscosity mineral oil and from 10 to...
4402841 Extended service 5W-40 motor oil  
An extended drain 5W-40 motor oil composition for internal combustion engines comprises a base oil component of one or more solvent extracted mineral oils and a high refractory mineral oil, a V.I....
4387256 Traction fluid lubricants derived from coal tar  
A traction fluid having a lubricant basestock comprising hydrogenated coal tar containing a saturated fraction having a major portion made up of multiring components of at least three rings and an...
4385984 Lubricating base oil compositions  
Lubricating base oil compositions having improved stability comprise a major amount of a base oil which has been prepared from a vacuum distillate (VD) or deasphalted oil (DAO) by severe...
4384138 Process and compositions  
Disclosed are substituted phenol comprising the reaction product of an alkyl phenol, said alkyl substituent containing about 50 to about 20,000 carbon atoms, and aliphatic unsaturated carboxylic...
4234409 Process for the production of lubricating blend stocks  
In the production of lubricating oil blend stocks obtained by the distillation, extraction, dewaxing and clay contacting of atmospheric crude distillation column residue, the improvement comprising...
4218305 Extrusion oil composition for carbon electrode manufacture  
Disclosed is a carbon extrusion oil for preparing carbon and graphite electrodes. The composition comprises a mixture of straight-chain paraffin hydrocarbons and cylinder stock derived from a...
4213845 Lube oil blend process and composition  
A lube oil blend process and composition are provided. In the process a raffinate lube oil stock having a superior sunlight stability is produced by contacting a gas oil with a suitable solvent...
4164475 Multi-grade 80W-140 gear oil  
A multi-grade 80W-140 gear oil is described which is composed of certain mineral-oil stocks, a wear additive, a V.I. improver, a dispersant polymer and optionally a seal-swell agent.
4157294 Method of preparing base stocks for lubricating oil  
Base stocks for lubricating oil with excellent thermal stability are produced by hydrofinishing a mixture consisting of 10 to 60 percent by volume of a neutralized extract and 90 to 40 percent by...
4134843 Deuterated lubricant  
A mixture of nondeuterated and partially or fully deuterated hydrocarbon ricants. Such a mixture exhibits substantially improved bearing performance life and oxidation resistance, without having...
4101414 Rerefining of used motor oils  
Screened and drained used lubricating oil stock is predistilled in a steam stripping still for about 4 hours or more. The thus predistilled used oil then flows to an evaporator for a vacuum...
4100082 Lubricants containing amino phenol-detergent/dispersant combinations  
Disclosed are combinations of amino phenols, wherein said phenols contain a substantially saturated hydrocarbon substituent of at least 10 aliphatic carbon atoms, and one or more...
4082866 Method of use and electrical equipment utilizing insulating oil consisting of a saturated hydrocarbon oil  
The unique, relatively nonflammable, environmentally safe, insulating oil comprises a saturated hydrocarbon oil having a molecular weight of about 500 to about 700, and a fire point above 200° C....
4072620 Electrical insulating oil  
An electrical insulating oil having excellent oxidation stability, thermal stability, corona resistance and corrosion resistance and, if desired, low-temperature properties, which consist...
4069166 Electrical insulating oils  
An electrical insulating oil having excellent thermal stability and low-temperature properties, which consists essentially of (A) 80-99 parts by weight of refined oil having a low sulphur content...
Matches 51 - 100 out of 169 < 1 2 3 4 >