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| Number | Title | Issue Date |
| 8173009 | Process for improving a hydrotreated stream One exemplary embodiment can be a process for improving a hydrotreated stream for lubricating a machine. The hydrotreated stream can include an effective amount of one or more saturated hydrocarbons. Generally, the process includes hydrogenating the hydrotreated str... | 05/08/2012 |
| 8123930 | Additives for crude oils The invention thus provides crude oils and products which have been produced therefrom and comprise distillation residues, comprising at least one alkylphenol-aldehyde resin having a repeat structural unit of the formula wh... | 02/28/2012 |
| 8012342 | Lubricant base oil and method of producing the same This invention relates to lubricant base oil having high viscosity indexes and low pour points, and particularly to lubricant base oil consisting essentially of a normal paraffin and an isoparaffin, wherein (a) an average carbon number Nc in one molecule is not less... | 09/06/2011 |
| 7998339 | Process for producing a hydrocarbon component The invention relates to a process for producing a new type of high-quality hydrocarbon base oil of biological origin. The process of the invention comprises ketonisation, hydrodeoxygenation, and isomerization steps. Fatty acids and/or fatty acid esters based on a b... | 08/16/2011 |
| 7981270 | Extra light hydrocarbon liquids 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 liqu... | 07/19/2011 |
| 7922892 | Process for improving the lubricating properties of base oils using a Fischer-Tropsch derived bottoms A method for improving the lubricating properties of a distillate base oil characterized by a pour point of 0 degrees C. or less and a boiling range having the 10 percent point falling between about 625 degrees F. and about 790 degrees F. and the 90 percent point fa... | 04/12/2011 |
| 7744742 | Integration of molecular redistribution and hydroisomerization processes for the production of paraffinic base oil The process as described herein produces a moderately aromatic isoparaffinic base oil from a distillate range product. This process comprises: (a) providing a distillate range paraffin feed comprising paraffins and cycloparaffins; (b) mildly reforming the distillate... | 06/29/2010 |
| 7674364 | Hydraulic fluid compositions and preparation thereof 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 % naphtheni... | 03/09/2010 |
| 7674363 | Process to prepare a haze free base oil 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... | 03/09/2010 |
| 7662271 | Lubricating oil with high oxidation stability 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 ... | 02/16/2010 |
| 7655132 | Process for improving the lubricating properties of base oils using isomerized petroleum product 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... | 02/02/2010 |
| 7655133 | Ashless hydraulic fluid or paper machine oil 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 t... | 02/02/2010 |
| 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: and | 09/01/2009 |
| 7578926 | Process to enhance oxidation stability of base oils by analysis of olefins using ÂH 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 (a) determining the weight percent of olefins present in the feed by ... | 08/25/2009 |
| 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 lubricant base oil fraction derived from highly paraffinic wax comprises ... | 08/11/2009 |
| 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 viscosity index of above 120 and a pour point of below −15° C. ... | 05/12/2009 |
| 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 to 20 weight % of a liquid comprising >50 weight % alcohol and having... | 01/20/2009 |
| 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 viscosity at −15° C. less than 7000 cP; c) a GE HTHS (final) of at leas... | 01/06/2009 |
| 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 lubricant base oil fraction derived from highly paraffinic wax comprises ... | 01/06/2009 |
| 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 less than 10; and 2) an antiwear hydraulic oil additive package. The hyd... | 10/14/2008 |
| 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 cycloparaffinic functionality, iii. a ratio of molecules with monocyclopar... | 10/14/2008 |
| 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 catalyst that has been selectively activated by oxygenate treatment. The hyd... | 09/30/2008 |
| 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 lubricant by adding a base oil having a traction coefficient less tha... | 09/16/2008 |
| 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 making a water-in-oil emulsion, or a solids-stabilized water-in-oil emulsi... | 09/02/2008 |
| 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 aliphatic acid having 8 to 22 carbon atoms, urea, and polyalkylenepolyamine... | 08/05/2008 |
| 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) Mw measured by gel permeation chromatography employing polystyrene standard ranging from about 50,000 up to less than... | 07/22/2008 |
| 7384536 | Processes for making lubricant blends with low brookfield viscosities 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 ... | 06/10/2008 |
| 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 oil additive package formulated to protect silver bearings, and c) le... | 05/20/2008 |
| 7371315 | Flexible method for producing oil bases and distillates by hydroisomerization-conversion on a weakly dispersed catalyst followed by a catalyctic dewaxing A process for production of very high-quality base oils, and simultaneous production of high-quality middle distillates, comprises the successive stages of hydroisomerization and catalytic dewaxing. The hydroisomerization takes place in the presence of a catalyst co... | 05/13/2008 |
| 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 below 400° C. and a final boiling point of above 600° C. by (a) sepa... | 04/08/2008 |
| 7351780 | Method for manufacturing high viscosity polyalphaolefins using ionic liquid catalysts A method of continuously manufacturing a high viscosity polyalphaolefin product by introducing a monomer and an ionic liquid catalyst together into a reaction zone while simultaneously withdrawing from the reaction zone a reaction zone effluent that contains the hig... | 04/01/2008 |
| 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 fraction and a medium machine oil fraction as obtained in a vac... | 03/25/2008 |
| 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 compounds having at least 30 carbon atoms in the Fischer-Tr... | 02/19/2008 |
| 7300565 | Process to prepare a microcrystalline wax and a middle distillate fuel The invention relates to a process to prepare a microcrystalline wax and a middle distillate fuel by (a) hydrocracking/hydroisomerizing a Fischer-Tropsch product, wherein the weight ratio of compounds having at least 60 or more carbon atoms and compound... | 11/27/2007 |
| 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 a high Cetane number, as well as to a process for production of such... | 11/13/2007 |
| 7285206 | Process to prepare a lubricating base oil and a gas oil A process to prepare a lubricating base oil and a gas oil by (a) hydrocracking/hydroisomerizing a Fischer-Tropsch product, wherein weight ratio of compounds having at least 60 or more carbon atoms and compounds having at least 30 carbon atoms in the Fischer-T... | 10/23/2007 |
| 7281414 | Apparatus, a method, and measuring sensors for scanning states of engine oil The present invention relates to an apparatus, a method, and a sensor for scanning engine oil of a vehicle. An apparatus for scanning engine oil according to an exemplary embodiment of the present invention includes an oil property measuring part for measuring physi... | 10/16/2007 |
| 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 paraffinic wax feed having less than about 30 ppm total nitrogen and sulfur, a... | 10/16/2007 |
| 7282137 | Process for preparing basestocks having high VI A process for preparing high VI lubricating oil basestocks comprising hydrotreating, hydrodewaxing and optionally hydrofinishing. The hydrotreating step is under conditions such that the amount of conversion to 343° C. minus is less than 5 wt. % of the feedstock an... | 10/16/2007 |
| 7273834 | Lubricant blends with low brookfield viscosities 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 ... | 09/25/2007 |
