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7597795 |
Process for making lube oil basestocks
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...
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7594991 |
All catalytic medicinal white oil production
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...
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7582591 |
Gear lubricant with low Brookfield ratio
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...
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7582200 |
Hydraulic system and a method of operating a hydraulic pump
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:...
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7578926 |
Process to enhance oxidation stability of base oils by analysis of olefins using Â1H NMR
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...
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7572361 |
Lubricant blends with low brookfield viscosities
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...
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7569524 |
Process to make an ashless lubricating oil with high oxidation stability
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...
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7547666 |
Ashless lubricating oil with high oxidation stability
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...
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7531081 |
Base oil composition
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...
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7531083 |
Cycloalkane base oils, cycloalkane-base dielectric liquids made using cycloalkane base oils, and methods of making same
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. %...
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7510674 |
Dielectric fluids and processes for making same
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...
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7479216 |
Fischer-Tropsch wax composition and method of transport
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...
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7476645 |
Polyalphaolefin and fischer-tropsch derived lubricant base oil lubricant blends
Blended lubricant base oils and blended finished lubricants comprising ≧70 weight percent Fischer-Tropsch derived lubricant base oils comprising ≧6 weight % molecules with monocycloparaffinic...
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7473347 |
Process to prepare a lubricating base oil
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...
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7473345 |
Processes for making lubricant blends with low Brookfield viscosities
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...
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7473346 |
Method for using medium-speed diesel engine oil
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...
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7435327 |
Hydraulic oil with excellent air release and low foaming tendency
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...
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7435328 |
Process for making medium-speed diesel engine oil
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...
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7429318 |
Process for preparing basestocks having high VI using oxygenated dewaxing catalyst
A process for preparing high VI lubricating oil basestocks comprising hydrotreating, hydrodewaxing and optionally hydrofinishing. The hydrotreated feedstock is hydrodewaxed using a dewaxing...
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7425524 |
Gear lubricant with a base oil having a low traction coefficient
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...
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7419939 |
Mineral acid enhanced thermal treatment for viscosity reduction of oils (ECB-0002)
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...
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7407917 |
Lubricating oil composition for automatic transmissions
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...
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7402235 |
Viscosity improver compositions providing improved low temperature characteristics to lubricating oils
A mixture comprising A) a copolymer comprising from about 70 to about 79% by weight of units derived from ethylene, and having (a) M w measured by gel permeation chromatography employing...
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7374658 |
Medium speed diesel engine oil
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...
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7354508 |
Process to prepare a heavy and a light lubricating base oil
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...
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7347928 |
Process to prepare a spindle oil, light machine oil and a medium machine oil base oil grade from the bottoms fraction of a fuels hydrocracking process
A process to prepare a spindle oil, light machine oil and a medium machine oil base oil grade by:
(a) performing a separate catalytic dewaxing on a spindle oil fraction, a light machine oil...
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7332072 |
Process to prepare a waxy raffinate
A process to prepare a waxy raffinate product by
(a) hydrocracking/hydroisomerizing a Fischer-Tropsch derived feed, wherein weight ratio of compounds having at least 60 or more carbon atoms and...
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7294253 |
Process for producing middle distillates
This invention relates to process for producing middle distillates having good cold flow properties, such as the Cold Filter Plugging Point (CFPP) measured in accordance with the IP method 309, and...
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7282134 |
Process for manufacturing lubricating base oil with high monocycloparaffins and low multicycloparaffins
A process for manufacturing a lubricating base oil by: a) performing Fischer-Tropsch synthesis on syngas to provide a product stream; b) isolating from said product stream a substantially...
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7244350 |
Process to prepare a hydrocarbon product having a sulphur content below 0.05 wt
A process to continuously prepare a hydrocarbon product having a specified desired sulphur content lower than 0.05 wt %, starting from at least two or more high-sulphur hydrocarbon feedstocks...
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7241375 |
Heavy hydrocarbon composition with utility as a heavy lubricant base stock
A heavy hydrocarbon composition with utility as a heavy hydrocarbon base stock comprising at least 95 wt % paraffin molecules, of which at least 90 wt % are isoparaffin, containing hydrocarbon...
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7217852 |
Process for producing middle distillates and middle distillates produced by that process
This invention relates to middle distillates having good cold flow properties, such as the Cold Filter Plugging Point (CFPP) measured in accordance with the IP method (309), and a high Cetane...
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7214307 |
White oil from waxy feed using highly selective and active wax hydroisomerization catalyst
A composition of white oil having a kinematic viscosity at 100° C. between about 1.5 cSt and 36 cSt, a viscosity index greater than an amount calculated by the equation: Viscosity Index=28×Ln(the...
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7195706 |
Finished lubricating comprising lubricating base oil with high monocycloparaffins and low multicycloparaffins
A process for manufacturing a finished lubricant by: a) performing Fischer-Tropsch synthesis on syngas to provide a product stream; b) isolating from said product stream a substantially paraffinic...
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7144497 |
Blending of low viscosity Fischer-Tropsch base oils with conventional base oils to produce high quality lubricating base oils
A process for producing a lubricating base oil blend which comprises (a) recovering a Fischer-Tropsch derived distillate fraction characterized by a kinematic viscosity of about 2 cSt or greater...
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7141157 |
Blending of low viscosity Fischer-Tropsch base oils and Fischer-Tropsch derived bottoms or bright stock
A process for preparing Fischer-Tropsch derived lubricating base oils by blending a Fischer-Tropsch distillate fraction having a viscosity of 2 or greater but less than 3 cSt at 100 degrees C. with...
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7083713 |
Composition of lubricating base oil with high monocycloparaffins and low multicycloparaffins
A composition of lubricating base oil having a weight percent of all molecules with at least one aromatic function less than 0.30, a weight percent of all molecules with at least one cycloparaffin...
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7067049 |
Formulated lubricant oils containing high-performance base oils derived from highly paraffinic hydrocarbons
The present invention relates to formulated lubricant oils derived from a highly paraffinic basestock. The lubricating oils of the present invention achieve the extremely stringent viscosity...
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7045055 |
Method of operating a wormgear drive at high energy efficiency
This invention is directed to a method of operating a wormgear drive at high energy efficiency comprising filling an oil reservoir with a wormgear lubricant comprising an isomerized Fischer-Tropsch...
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7037955 |
Additives and methods for reducing odor
Additives and methods for reducing or eliminating odor in oil based media. The additives comprise an essential oil, an essential oil component, or mixtures thereof.
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7015178 |
Lube base oil composition
Disclosed is a lubricant base oil composition that comprises (a) from 80 to 98% by mass of a naphthenic synthetic lubricant base oil having a flash point of not lower than 140° C. and (b) from 2...
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6872692 |
Synthetic hydrocarbon fluid
A synthetic lubricant base stock is provided having a kinematic viscosity at 100° C. of from 5 to about 300 cS and a VI greater than 100. The base stock comprises random co-oligomers of an alpha...
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6872693 |
Mineral gear oils and transmission fluids
This invention relates to mineral oil based gear oils and transmission fluids which comprise a major amount of a mineral oil having an iodine number of less than 9 and where at least 55% of the...
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6841711 |
Process for making a lube base stock from a lower molecular weight feedstock in a catalytic distillation unit
A process for making a lube base stock wherein an olefinic feedstock is contacted with an oligomerization catalyst in a catalytic distillation unit to produce a product having a higher number...
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6833065 |
Lube base oils with improved yield
The invention provides methods for preparing a blended lube base oils comprising at least one highly paraffinic Fischer Tropsch lube base stocks and at least one base stock composed of...
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6822126 |
Process for converting waste plastic into lubricating oils
Provided is a continuous process for converting waste or virgin plastics into lube oils. The plastic feed is maintained in a heater at preferred temperatures of 150° C.-350° C. The feed is...
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6821933 |
Additives for improving the cold flow properties and the storage stability of crude oil
The invention relates to additives for improving the flowability of mineral oils, containing: A) 1-40 wt. % of at least one copolymer, which is oil-soluble and improves the cold flow properties of...
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6803492 |
Additives based on components present in petroleum for improving the cold flow properties of crude and distillate oils
The invention relates to an additive for improving the cold-flow properties of crude and distillate oils, where the additive is obtainable by extraction of crude oil with supercritical gas.
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6790386 |
Dielectric fluid
A dielectric fluid comprises an isoparaffinic base oil and hydrogen donor compound. The base oil may be a hydroisomerized isoparaffinic oil, and the hydrogen donor may be a substituted, or...
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6787022 |
Winter diesel fuel production from a fischer-tropsch wax
A process for the production of a winter diesel fuel from wax containing hydrocarbons produced by the Fischer-Tropsch hydrocarbon synthesis process. A 300° F.+ Fischer-Tropsch fraction is upgraded...
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