Abstract: A manual transmission fluid having a VI greater than 160 and a Brookfield viscosity at ?40° C. less than 30,000 cP. It comprises: 1) a base oil (made from a waxy feed) having less than 0.06 wt % aromatics, greater than 5 wt % total molecules with cycloparaffinic functionality, and a ratio of molecules with monocycloparaffinic functionality to molecules with multicycloparaffinic functionality greater than 20; and a manual transmission fluid additive package. In another embodiment, the manual transmission fluid comprises: 1) a base oil having a high VI and a kinematic viscosity at 100° C. greater than 5.5 cSt, 2) less than 0.01 wt % pour point depressant, and 3) a manual transmission fluid additive package. This invention is also directed to a process to make the manual transmission fluid, comprising the steps of hydroisomerization dewaxing, selecting base oil fractions having a high VI, and blending the fractions with an additive package.

Abstract: Process to prepare simultaneously two or more base oil grades and middle distillates from a mineral crude derived feed, in particular a de-asphalted oil or a vacuum distillate feed or their mixtures, by performing the following steps: (a) hydrocracking the mineral crude derived feed, thereby obtaining an effluent; (b) distillation of the effluent as obtained in step (a) into one or more middle distillates and a full range residue boiling substantially above 340° C., (c) catalytically dewaxing the full range residue by contacting the residue with a dewaxing catalyst comprising a zeolite of the MTW type and a Group VIII metal, thereby obtaining a dewaxed oil; (d) isolating by means of distillation two or more base oil grades from the dewaxed oil obtained in step (c); and (e) isolating a dewaxed gas oil from the dewaxed-oil obtained in step (c); wherein the dewaxed oil as obtained in step (c) comprises between 10 and 40 wt % of a dewaxed heavy gas oil boiling for more than 70 wt % between 370 and 400° C.

Abstract: A process to prepare a waxy raffinate product by performing the following steps: (a) subjecting a Fischer-Tropsch derived product having a weight ratio of compounds boiling above 540° C. and compounds boiling between 370 and 540° C. of greater than 2 to a hydroconversion step and (b) fractionating the effluent of step (a) to obtain products boiling in the fuels range and a waxy raffinate product boiling between 350 and 600° C.

Abstract: We provide a base oil comprising hydrocarbons with consecutive numbers of carbon atoms. The base oil has a boiling range from 700 to 925° F. (371 to 496° C.), a VI from 105 to 119, and either a Noack volatility less than 18 wt % or a CCS VIS at ?25° C. less than 1500 mPa·s. The base oil may have a ratio of Noack Volatility to CCS VIS at ?25° C. multiplied by 100 from 0.80 to 1.55.

Abstract: A hydraulic fluid composition having excellent seal compatibility is prepared from an isomerized base oil is provided. The composition comprising (i) 80 to 99.999 wt. % of a lubricating base oil having consecutive numbers of carbon atoms, less than 10 wt % naphthenic carbon by n-d-M, less than 0.10 wt. % olefins and less than 0.05 wt. % aromatics, a molecular weight of greater than 600 by ASTM D 2503-92 (Reapproved 2002), a wt % total molecules with cycloparaffinic functionality greater than 25 and a ratio of molecules with monocycloparaffinic functionality to molecules with multicycloparaffinic functionality greater than 10; and (ii) optionally from 0.001 to 6 wt % of a viscosity modifier; and (iii) 0-10 wt % of at least an additive package. When used in operations, the composition results in an average volume change in a rubber seal of less than 3% and an average hardness change in the rubber seal of less than 1 pts. when tested under ASTM D 471-06 (SRE NBR1 at 100° C., 168 hours).

Abstract: Process to prepare a haze free base oil having a cloud point of below 0° C. and a kinematic viscosity at 100° C. of greater than 10 cSt by performing the following steps: (a) hydroisomerisation of a Fischer-Tropsch synthesis product, (b) isolating one or more fuel products and a distillation residue, (c) reducing the wax content of the residue by contacting the feed with a hydroisomerization catalyst under hydroisomerization conditions, and (d) solvent dewaxing the product of step (c) to obtain the haze free base oil.

Abstract: A lubricant composition having a base oil and one or more additives wherein the lubricant composition has a kinematic viscosity at 100° C. of more than 5.6 cSt; a cold cranking simulated dynamic viscosity at ?35° C. according to ASTM D 5293 of less than 6200 centiPoise (cP); and, a mini rotary viscosity test value of less than 60000 cP according to ASTM D 4684, wherein the base oil has been obtained from a waxy paraffinic Fischer-Tropsch synthesized hydrocarbon.

Abstract: An uninhibited electrical insulating oil is prepared by blending a severely hydrotreated naphthenic distillate base oil having a viscosity of from about 50 to about 80 SSU at 38° C. and an aniline point from about 63° to about 84° C. with a solvent extracted, non-hydrogenated paraffinic distillate having at least 9.0 wt. % aromatic content.

Abstract: A lubricating oil (made from Group III base oil having a sequential number of carbon atoms) having a VI between 155 and 300, a RPVOT greater than 680 minutes, and a kinematic viscosity at 40° C. from 19.8 cSt to 748 cSt. A lubricating oil having a high VI and high RPVOT comprising: a) a Group III base oil with a sequential number of carbon atoms, and defined cycloparaffin composition or low traction coefficient, b) an antioxidant additive concentrate and c) no VI improver. A process comprising: a) hydroisomerization dewaxing of a waxy feed, b) fractionating the produced base oil, c) selecting a fraction having a VI greater than 150, and a high level of molecules with cycloparaffinic functionality or a low traction coefficient, and d) blending the fraction with an antioxidant additive concentrate. Also, a method of improving the oxidation stability of a lubricating oil.

Abstract: The lubricating base oil of the invention is characterized by satisfying at least one of the following conditions (a) or (b). (a) A saturated compound content of 95% by mass or greater, and a proportion of 0.1-10% by mass of cyclic saturated compounds among the saturated compounds. (b) The condition represented by the following formula (1). 1.435?n20?0.002×kv100 ?1.450??(1) wherein n20 represents the refractive index of the lubricating base oil at 20° C., and kv100 represents the kinematic viscosity (mm2/s) of the lubricating base oil at 100° C.

Abstract: A method for improving the lubricating properties of a isomerized distillate base oil having a kinematic viscosity at 100 degrees C. between about 2.5 cSt and about 8 cSt, the method comprising blending with said isomerized distillate base oil a sufficient amount of a pour point depressing base oil blending component to reduce the pour point of the resulting base oil blend at least 3 degrees C. below the pour point of the distillate base oil wherein the pour point depressing base oil blending component is an isomerized petroleum derived base oil containing material having a boiling range above about 1050 degrees F.; also lubricating base oil blends prepared according to the process; and the pour point depressing base oil blending component.

Abstract: An ashless lubricating oil, comprising a base oil having greater than 90 wt % saturates, less than 10 wt % aromatics, a viscosity index greater than 130, low sulfur, and a sequential number of carbon atoms. The lubricating oil has a VI between 155 and 300, greater than 680 minutes in a rotary pressure vessel oxidation test, and a kinematic viscosity at 40° C. from 19.8 to 748 cSt. An ashless paper machine oil, comprising a base oil having a sequential number of carbon atoms, wherein the oil has a defined viscosity index and high oxidation stability. Also, an ashless lubricating oil, comprising a base oil having a viscosity index greater than 150, wherein the base oil is made from a blend of petroleum-based wax and Fischer-Tropsch derived wax.

Abstract: The present invention relates to an extra light hydrocarbon liquid derived from highly paraffinic wax. This extra light hydrocarbon liquid is suitable for use as a lubricant additive diluent oil in oil soluble additive concentrates. This extra light hydrocarbon liquid derived from highly paraffinic wax has a viscosity of between about 1.0 and 3.5 cSt at 100° C. and a Noack volatility of less than 50 weight % and comprises greater than 3 weight % molecules with cycloparaffinic functionality and less than 0.30 weight percent aromatics. The extra light hydrocarbon liquid makes an excellent lubricant additive diluent oil because it has low volatility, low viscosity, good additive solubility, and excellent solubility in lubricant base oil stocks. The present invention also relates to finished lubricants comprising the oil soluble additive concentrates made with the extra light hydrocarbon liquid and finished lubricants comprising the oil soluble additive concentrates.

Abstract: A method for improving the oxidation stability of an ashless hydraulic fluid or an ashless paper machine oil, comprising: a. selecting a base oil having greater than 90 wt % saturates, less than 10 wt % aromatics, a base oil viscosity index greater than 120, less than 0.03 wt % sulfur, a sequential number of carbon atoms, greater than 35 wt % total molecules with cycloparaffinic functionality, and a ratio of molecules with monocycloparaffinic functionality to molecules with multicycloparaffinic functionality greater than 2.1; and b. replacing a portion of an original base oil in the ashless oil with the selected base oil to produce an improved ashless lubricating oil; wherein the improved ashless lubricating oil has a result in the rotary pressure vessel oxidation test that is at least 50 minutes greater than the result in the rotary pressure oxidation test of the ashless hydraulic fluid or ashless paper machine oil.

Abstract: A process for producing lube basestocks involving solvent dewaxing a waxy feed to produce at least a partially dewaxed lube oil boiling range stream and then hydrodewaxing the partially dewaxed lube oil boiling range stream to produce a lube basestock.

Abstract: The invention relates to a method for analyzing a lubricating oil for low temperature properties. The method utilizes 2-dimensional gas chromatography (2D GC) to determine the amounts of paraffins and isoparaffins in the oil. In particular, the method analyzes for a particular isoparaffin fraction which is correlated to low temperature performance. The compositional information thus obtained is correlated with formulated oil Mini Rotary Viscometer (MRV) properties.

Abstract: A lubricating base oil manufacturing plant comprising a means for hydroisomerization dewaxing a wax at a specified hydrogen to feed ratio and a means for hydrofinishing the hydroisomerized wax to produce one or more base oils having greater than 10 weight percent total molecules with cycloparaffinic functionality and less than 0.5 weight percent molecules with multicycloparaffinic functionality.

Abstract: A process for producing lube oil basestocks involving solvent extracting a waxy feed to produce at least a lube oil boiling range raffinate, hydrotreating the lube oil raffinate to produce a hydrotreated raffinate, and dewaxing the hydrotreated raffinate.

Abstract: All catalytic process for producing white oils is provided. More particularly, medicinal grade white oils are produced from a process including hydrotreating and/or hydrocracking, catalytic dewaxing followed by hydrofinishing to produce a medicinal white oil.

Abstract: A method of operating a hydraulic pump, comprising: a. filling a hydraulic system oil reservoir with a hydraulic oil comprising: i. a lubricant base oil having defined properties: and ii. an antiwear hydraulic oil additive package; wherein the hydraulic oil has an air release at 50° C. less than 0.8 minutes; and b. operating the hydraulic pump without pump cavitation. A hydraulic system, comprising a hydraulic system oil reservoir holding a hydraulic oil comprising: i. a lubricant base oil, optionally having defined properties; and b. an antiwear hydraulic oil additive package; wherein the hydraulic oil has an air release at 50° C. less than 0.8 minutes. In one embodiment the hydraulic oil additionally has low foam tendency and good demulsibility.

Abstract: Gear lubricant with a low Brookfield Ratio, comprising: a base oil having sequential carbon atoms, low aromatics, greater than 20 wt % molecules with cycloparaffins and a high ratio of monocycloparaffins to multicycloparaffins; less than 22 wt % of a second base oil having less than 40 wt % molecules with cycloparaffins and a lower ratio of monocycloparaffins to multicycloparaffins; a pour point depressant, an EP additive; and less than 10 wt % VI improver. Gear lubricant with a low Brookfield Ratio, comprising a first base oil having low aromatics and high VI; less than 22 wt % of a second base oil with a lower VI; a pour point depressant; and an EP additive. Gear lubricant having a low Brookfield Ratio comprising: an FT derived base oil; a pour point depressing base oil blending component; and an EP additive. Processes for making gear lubricants with low Brookfield Ratios. Method for reducing Brookfield Ratio.

Abstract: A process for producing a lubricating base oil having high oxidation stability, wherein the feed used to prepare the lubricating base oil contains at least 5 wt. % olefins, said process comprising (a) determining the weight percent of olefins present in the feed by means of 1H NMR; (b) hydroprocessing the feed under hydroprocessing conditions selected to reduce the amount of olefins present to a target value which has been pre-determined by means of 1H NMR to produce a lubricating base oil having the desired oxidation stability; and (c) collecting a lubricating base oil having the selected oxidation stability from the hydroprocessing zone.

Abstract: Lubricant blends and finished gear oils comprising a lubricant base oil fraction derived from highly paraffinic wax, a petroleum derived base oil, and a pour point depressant are provided. The lubricant base oil fraction derived from highly paraffinic wax comprises less than 0.30 weight percent aromatics, greater than 5 weight percent molecules with cycloparaffinic functionality, and a ratio of weight percent of molecules with monocycloparaffinic functionality to weight percent of molecules with multicycloparaffinic functionality greater than 15. The petroleum derived base oils comprises greater than 90 weight percent saturates and less than 300 ppm sulfur and is preferably selected from the group consisting of a Group II base oil, a Group III base oil, and mixtures thereof. These lubricant blends have surprising low Brookfield viscosities at ?40° C.

Abstract: A process for making an ashless hydraulic fluid or paper machine oil comprising a) hydroisomerization dewaxing, b) fractionating, c) selecting a fraction having a very high VI, and a high level of molecules with cycloparaffinic functionality, and d) blending the fraction with an ashless antioxidant. A process for making ashless paper machine oil, comprising: a. selecting two lubricating base oils both having a consecutive number of carbon atoms, greater than 35 wt % total molecules with cycloparaffinic functionality, and a viscosity index greater than 150; b. blending the two lubricating base oils with an ashless antioxidant additive concentrate and no viscosity index improver to make an ashless paper machine oil; wherein the ashless paper machine oil has a result of greater than 680 minutes in the rotary pressure vessel oxidation test.

Abstract: An ashless hydraulic fluid or paper machine oil having a VI between 155 and 300, a RPVOT greater than 680 minutes, and a kinematic viscosity at 40° C. from 19.8 cSt to 748 cSt. An ashless hydraulic fluid or paper machine oil having a high VI and high RPVOT comprising: a) a Group III base oil with a sequential number of carbon atoms, and defined cycloparaffin composition or low traction coefficient, b) an ashless antioxidant additive concentrate, and c) low amount of VI improver. A process for making an ashless hydraulic fluid or paper machine oil comprising a) hydroisomerization dewaxing, b) fractionating, c) selecting a fraction having a very high VI, and a high level of molecules with cycloparaffinic functionality or a low traction coefficient, and d) blending the fraction with an ashless antioxidant. Also, a method of improving the oxidation stability of an ashless hydraulic fluid or paper machine oil.

Abstract: Cycloalkane base oil, methods of making cycloalkane base oil, and dielectric liquid comprising cycloalkane base oil, the cycloalkane base oil comprising a quantity of isoparaffins and from 50 wt. % to 70 wt. % cycloalkanes having the formula CnH2n wherein n is from 15 to 30, said quantity of isoparaffins being less than 50 wt. % of said cycloalkane base oil.

Abstract: A lubricating base oil composition having at least 95 wt % saturates, of which saturates fraction between 10 and 30 wt % are cyclo-paraffins and the remainder being n- and iso-paraffins, having a viscosity index of above 120 and a pour point of below ?15° C.

Abstract: Dielectric fluids comprising oil fractions derived from highly paraffinic wax are provided. Further provided are processes for making these dielectric fluids comprising oil fractions derived from highly paraffinic wax. The dielectric fluids are useful as insulating and cooling mediums in new and existing power and distribution electrical apparatus, such as transformers, regulators, circuit breakers, switchgear, underground electrical cables, and attendant equipment.

Abstract: The present invention provides a pressure-medium oil comprising at least one of a hydrocarbon compound and an ether compound and having the following properties (1) to (4): (1) a kinematic viscosity as measured at 40° C. of 2 to 30 mm2/s; (2) a viscosity index of 110 or higher; (3) a density as measured at 15° C. of 0.86 g/cm3 or less; and (4) a pour point of ?50° C. or lower. The pressure-medium oil does not solidify under an ultra-high pressure, for example, 1.5 GPa or higher, and has a low pour point and excellent compatibility with test samples and with the material of the apparatus employed in the test.

Abstract: A composition of a superior lubricant or lubricant component having a very high VI, a low cloud point, a difference between the T90 and T10 boiling points of at least 250° F. by SIMDIST, and a very low Bromine Number.

Abstract: Process for reducing the cloud point of a base oil having a kinematic viscosity at 100° C. of greater than 10 cSt by separating the molecules inferring the high cloud point from the base oil by subjecting the base oil to a centrifugal force such to obtain a base oil having the reduced cloud point and a fraction rich in haze precursor compounds.

Abstract: The present invention relates to transportable product for the transportation of paraffinic wax and methods of transporting using this transportable product. The transportable product comprises 90 to 20 weight % of a liquid comprising >50 weight % alcohol and having a true vapor pressure of ?14.7 psia when measured at 20° C., and 10 to 80 weight % of wax particles, wherein the wax particles comprise ?75 weight % of wax particles larger than 0.1 mm. The transportable product and methods of transporting according to the present invention are able to accommodate a relatively high weight % of paraffinic wax particles in the transportable product while avoiding interparticle adhesion and clumping by ensuring that the wax particles are not too small and the amount of small wax particles is not excessive.

Abstract: Blended lubricant base oils and blended finished lubricants comprising ?70 weight percent Fischer-Tropsch derived lubricant base oils comprising ?6 weight % molecules with monocycloparaffinic functionality and less than 0.05 weight % molecules with aromatic functionality; at least one polyalphaolefin lubricant base oil with a kinematic viscosity at 100° C. greater than about 30 cSt and less than 150 cSt are provided. These blended lubricant base oils and blended finished lubricants exhibit superior friction and wear properties, in addition to other highly desired properties. Also provided are processes for making these blended lubricant base oils and blended finished lubricants.

Abstract: Lubricant blends and finished gear oils comprising a lubricant base oil fraction derived from highly paraffinic wax, a petroleum derived base oil, and a pour point depressant are provided. The lubricant base oil fraction derived from highly paraffinic wax comprises less than 0.30 weight percent aromatics, greater than 5 weight percent molecules with cycloparaffinic functionality, and a ratio of weight percent of molecules with monocycloparaffinic functionality to weight percent of molecules with multicycloparaffinic functionality greater than 15. The petroleum derived base oils comprises greater than 90 weight percent saturates and less than 300 ppm sulfur and is preferably selected from the group consisting of a Group II base oil, a Group III base oil, and mixtures thereof. These lubricant blends have surprising low Brookfield viscosities at ?40° C.

Abstract: Process to prepare two or more base oil grades, which base oil grades have different kinematic viscositys at 100° C. from a waxy paraffinic Fischer-Tropsch product having a content of non-cyclic iso-paraffins of more than 70 wt % by: (a) obtaining from the waxy paraffinic Fischer-Tropsch product a distillate fraction having a viscosity corresponding to one of the desired base oil products; (b) performing a catalytic dewaxing step using the distillate fraction obtained in step (a) as feed; (c) separating the lower boiling compounds from the dewaxed product obtained in step (b) in order to obtain the desired base oil; and (d) repeating steps (a)–(c) for each base oil.

Abstract: A method for operating a railroad engine, comprising: using a lubricating oil in the railroad engine, wherein the lurbricating oil has: a) less than 100 ppm zinc; b) a cold cranking simulator viscosity at ?15° C. less than 7000 cP; c) a GE HTHS (final) of at least 10.8 cP; and d) a TBN between 8 and 20.

Abstract: This invention provides a hydraulic oil comprising: 1) a lubricant base oil having an average molecular weight greater than 475, a viscosity index greater than 140, and a weight percent olefins less than 10; and 2) an antiwear hydraulic oil additive package. The hydraulic oil of this invention has an air release by ASTM D 3427-03 of less than 0.8 minutes at 50 degrees C., and a sequence II foam tendency by ASTM D 892-03 of less than 50 ml. We describe a process for making the hydraulic oil of this invention, and a method of operating a hydraulic pump without pump cavitation using the hydraulic oil of this invention.

Abstract: A process to make a lubricating oil, comprising: a) selecting a lubricating base oil, made from a waxy feed, having: i. less than 0.3 wt % aromatics, ii. greater than 10 wt % molecules having cycloparaffinic functionality, iii. a ratio of molecules with monocycloparaffinic functionality to molecules with multicycloparaffinic functionality greater than 15; and b) blending the lubricating base oil with an engine oil additive package formulated to protect silver bearings and less than 2.0 wt % viscosity index improver; wherein the lubricating oil has a cold cranking simulator viscosity at ?15° C. less than 7000 cP, a GE HTHS (final) of at least 10.8 cP, and a TBN between 8 and 20.

Abstract: A process for preparing high VI lubricating oil basestocks comprising hydrotreating, hydrodewaxing and optionally hydrofinishing. The hydrotreated feedstock is hydrodewaxed using a dewaxing catalyst that has been selectively activated by oxygenate treatment. The hydrodewaxed product may then be hydrofinished.

Abstract: A multigrade automotive gear lubricant comprising a base oil having a traction coefficient less than 0.021. A method for saving energy using a gear lubricant, comprising blending a multigrade gear lubricant by adding a base oil having a traction coefficient less than 0.021, and using the gear lubricant in an axle or differential. A process for making an energy saving automotive gear lubricant having a kinematic viscosity at 100° C. greater than 10 cSt. A gear lubricant comprising a FT derived base oil having a VI greater than 150 and a traction coefficient less than 0.015. A finished lubricant, comprising a FT derived base oil having a traction coefficient less than 0.015. A base oil having a traction coefficient less than 0.011 and a 50 wt % boiling point greater than 582° C.

Abstract: The invention describes a method for decreasing the viscosity of crude oils and residuum utilizing a combination of thermal and acidic treatment. Further, the invention describes a method for making a water-in-oil emulsion, or a solids-stabilized water-in-oil emulsion with a reduced viscosity. The emulsion can be used in enhanced oil recovery methods, including using the emulsion as a drive fluid to displace hydrocarbons in a subterranean formation, and using the emulsion as a barrier fluid for diverting flow of fluids in the formation.

Abstract: An additive compound comprising a non-borated and/or borated reaction product, in which the reaction product is obtained by reacting a linear or branched, saturated or unsaturated monovalent aliphatic acid having 8 to 22 carbon atoms, urea, and polyalkylenepolyamine, when employed in a lubricating oil composition is favorably employable as an automatic transmission fluid of internal combustion engines.

Abstract: A mixture comprising A) a copolymer comprising from about 70 to about 79% by weight of units derived from ethylene, and having (a) Mw measured by gel permeation chromatography employing polystyrene standard ranging from about 50,000 up to less than 130,000 and/or (f) SSI?18; (b) density (D) ranging from about 845 to about 895 kg/m3; (c) Mw/ Mn less than 3; (d) melting point (Tm) measured by differential scanning calorimeter ranging from about 15° C. to about 60° C.; and (e) degree of crystallinity?15%, and B) an amorphous polymer having Mw ranging from about 130,000 to about 1,000,000 having degree of crystallinity?5%. In one embodiment the density and the melting point of the copolymer A) fulfill the expression Tm?1.247 D?1037. In another embodiment, the percentage content (E: % by weight) of repeating units derived from ethylene and melting point (Tm: ° C.) of the copolymer A) fulfill the expression 3.44E?206?Tm.

Abstract: This invention relates to basestocks and base oils with improved low temperature properties and formulated lubricant compositions or functional fluids created by blending at least one such lube basestock with at least one component selected from dispersants, detergents, wear inhibitors, antioxidants, rust inhibitors, demulsifiers, extreme pressure agents, friction modifiers, multifunction additives, viscosity index improvers, pour point depressants, and foam inhibitors. In particular the invention relates to dewaxed lube basestocks having a Free Carbon Index of less than 4.3 and an Epsilon Carbon mole % of less than 14%. Formulated engine oils using such dewaxed basestocks exhibit improved low temperature properties as may be measured by the Mini Rotary Viscometer test.

Abstract: The present invention relates to a metal working fluid comprising abase oil having a viscosity index of more than 110 according to ASTM D 2270 and a pour point of less than ?40° C. according to ASTM D 97. Preferably the base oil is a Fischer-Tropsch derived oil. Preferably, the base oil has a kinematic viscosity at 100° C. of between 2 and 3 mm2/s, according to ASTM D 445. Further, the base oil preferably has a flash point of more than 170° C., preferably more than 175° C., most preferably more than 180° C., according to ASTM D 92.

Abstract: Lubricant blends and finished gear oils comprising a Fischer-Tropsch derived lubricant base oil fraction, a petroleum derived base oil, and a pour point depressant are provided. The Fischer-Tropsch derived lubricant base oil fraction comprises less than 0.30 weight percent aromatics, greater than 5 weight percent molecules with cycloparaffinic functionality, and a ratio of weight percent of molecules with monocycloparaffinic functionality to weight percent of molecules with multicycloparaffinic functionality greater than 15. The petroleum derived base oils comprises greater than 90 weight percent saturates and less than 300 ppm sulfur and is preferably selected from the group consisting of a Group II base oil, a Group III base oil, and mixtures thereof. These lubricant blends have surprising low Brookfield viscosities at ?40° C.

Abstract: The present invention is directed to a traction coefficient reducing lubricating oil composition comprising (a) a major amount of an oil of lubricating viscosity comprising a blend of two or more isomerized Fischer-Tropsch derived base oils wherein the kinematic viscosity of the blend is in a range from about 2 to about 14 centistokes at 100° C., and (b) one or more lubricating oil additives wherein the lubricating oil composition is essentially free of friction modifiers. The present invention is also directed to a method for reducing the traction coefficient in internal combustion engines comprising lubricating the internal combustion engines with a lubricating oil composition comprising (a) a major amount of an oil of lubricating viscosity comprising a blend of two or more isomerized Fischer-Tropsch derived base oils wherein the kinematic viscosity of the blend is in a range from about 2 to about 14 centistokes at 100° C.

Abstract: The invention relates to a process for preparing lube oil basestocks from lube oil boiling range feeds. More particularly, the present invention is directed toward a process wherein a wax containing feed is solvent dewaxed to produce at least a partially dewaxed lube oil boiling range stream, which is hydrodewaxed to produce a first lube basestock. The first lube basestock is added to an independently selected second lube basestock and additives to make a lubricating oil.

Abstract: A lubricating oil having a CCS viscosity at ?15° C. less than 7000 cP, good shear stability, and a TBN between 8 and 20 comprising: a) a lubricating base oil made from a waxy feed, b) an engine oil additive package formulated to protect silver bearings, and c) less than 2.0 wt % viscosity index improver. Also a process to make a lubricating oil having a CCS viscosity at ?15° C. less than 7000 cP, good shear stability, and a TBN between 8 and 20. Additionally, a lubricating oil having low CCS viscosity comprising specified amounts of lubricating base oil made from a waxy feed, engine oil additive package formulated to protect silver bearings, up to 55 wt % bright stock with a VI greater than 120, and no viscosity index improver or conventional pour point depressant additives. Also, a method for operating a railroad engine using the lubricating oil of this invention.

Abstract: The invention relates to a process to prepare a heavy and a light lubricating base oil from a partly isomerized Fischer-Tropsch derived feedstock, the feedstock having an initial boiling point of below 400° C. and a final boiling point of above 600° C. by (a) separating the fraction via distillation into a light base oil precursor fraction and a heavy base oil precursor fraction; (b) reducing the pour point of each separate base oil precursor fraction via dewaxing; and, (c) isolating the desired base oil products from the dewaxed oil fractions as obtained in step (b).