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61.
公开(公告)号:US20200346196A1
公开(公告)日:2020-11-05
申请号:US16848536
申请日:2020-04-14
Applicant: ExxonMobil Research and Engineering Company
Inventor: Huaxing Zhou , Victor DeFlorio
Abstract: The present disclosure relates to catalysts for making sulfur-containing polymeric materials. In particular, the disclosure provides catalysts, and the method of using the same, for making sulfur-containing polymeric materials through inverse vulcanization at a temperature that is lower than 150° C.
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62.
公开(公告)号:US20200339902A1
公开(公告)日:2020-10-29
申请号:US16852386
申请日:2020-04-17
Applicant: ExxonMobil Research and Engineering Company
Inventor: Michael L. Blumenfeld , James T. Carey , Angela S. Galiano-Roth
IPC: C10M107/02 , C10M101/02
Abstract: Provided is a lubricating oil composition and methods for controlling one or more of foam tendency and foam stability in such composition using as the oil a mixture of at least two base stocks. The at least two base stocks have a surface tension difference between them such that, when the surface tension difference is greater than 1.0 dynes/cm, then one or more of foam tendency and foam stability are enhanced as compared to foam tendency and foam stability achieved using the base stocks separately and not in the mixture. When the surface tension difference between them is less than 1.0 dynes/cm, then one or more of foam tendency and foam stability are reduced or equivalent as compared to foam tendency and foam stability achieved using the base stocks separately and not in the mixture. Two low-foaming base stocks can produce a significant high foam response that reduces or eliminates the need for pro-foaming additives.
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公开(公告)号:US10808194B2
公开(公告)日:2020-10-20
申请号:US16694044
申请日:2019-11-25
Applicant: ExxonMobil Research and Engineering Company
Inventor: David J. Abdallah , Zsolt Lengyel
Abstract: High temperature antioxidant additives and methods that improve a liquid fuel composition's thermal oxidative stability are disclosed. A liquid fuel composition may comprise a liquid fuel and a high temperature antioxidant additive. The high temperature antioxidant additive may comprise an indoline compound with a bicyclic ring structure, wherein the indoline compound comprises a six-membered aromatic ring and a five-membered aliphatic ring that share a carbon-carbon aromatic bond. The five-membered aliphatic ring may be heterocyclic and may comprise a nitrogen positioned in an alpha position to the six-membered aromatic ring.
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公开(公告)号:US20200300174A1
公开(公告)日:2020-09-24
申请号:US16795062
申请日:2020-02-19
Abstract: Power train architectures with low-loss lubricant bearings and low-density materials are disclosed. The gas turbine used in these architectures can include a compressor section, a turbine section, and a combustor section. A generator, coupled to the rotor shaft, is driven by the turbine section. The compressor section, the turbine section, and the generator each include rotating components, at least one of the rotating components in at least one of the compressor section, the turbine section, and the generator including a low-density material. Bearings support the rotor shaft within the compressor section, the turbine section and the generator, wherein at least one of the bearings is a low-loss bearing having a low-loss lubricant.
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公开(公告)号:US10781391B2
公开(公告)日:2020-09-22
申请号:US16200901
申请日:2018-11-27
Applicant: ExxonMobil Research and Engineering Company
Inventor: Erin R. Fruchey , Scott K. Berkhous , Kenneth C. H. Kar , Sheryl B. Rubin-Pitel , Aditya S. Shetkar
Abstract: Heavy hydrotreated gas oil compositions are provided, along with marine fuel oil compositions and marine gas oil compositions that include a substantial portion of a hydrotreated heavy atmospheric gas oil. The hydrotreated heavy atmospheric gas oil can correspond to a gas oil with a relatively low viscosity and an elevated paraffin content in a narrow boiling range which results in a relatively high cloud point and/or pour point.
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公开(公告)号:US10780430B2
公开(公告)日:2020-09-22
申请号:US15381570
申请日:2016-12-16
Applicant: ExxonMobil Research and Engineering Company
Inventor: Matthew S. Ide , Stephen J. McCarthy , Gary P. Schleicher
IPC: B01J29/74 , B01J37/02 , B01J37/08 , C10G65/00 , C10G45/54 , C10G45/64 , C10G45/12 , C10G45/52 , C10G47/18 , C10G45/10 , C10G65/04 , C10G45/62 , B01J29/072 , B01J29/068 , B01J29/04
Abstract: Methods are provided for forming noble metal catalysts comprising both platinum and a second Group VIII metal, such as palladium, with improved aromatic saturation activity. Instead of impregnating a catalyst with both platinum and another Group VIII metal at the same time, a sequential impregnation can be used, with the Group VIII metal being impregnated prior to platinum. It has been discovered that by forming a Group VIII metal-impregnated catalyst first, and then impregnating with platinum, the distribution of platinum throughout the catalyst can be improved. The improved distribution of platinum can result in a catalyst with enhanced aromatic saturation activity relative to a catalyst with a similar composition formed by simultaneous impregnation.
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公开(公告)号:US20200291318A1
公开(公告)日:2020-09-17
申请号:US16811233
申请日:2020-03-06
Applicant: ExxonMobil Research and Engineering Company
Inventor: Aditya S. Shetkar , Kenneth C.H. Kar , Scott K. Berkhous
IPC: C10L1/08 , C10M105/06 , C10M171/02
Abstract: Marine gas oil compositions corresponding to fuels and/or fuel blending components are provided that can provide improved friction properties within an engine. Addition of lubricant base stock to a marine gas oil composition can reduce frictional losses within an engine during operation. The benefits in reduction of frictional losses can be observed based on the difference between the indicated mean effective pressure and the actual work delivered by an engine, where the difference corresponds to the frictional mean effective pressure.
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公开(公告)号:US10767125B2
公开(公告)日:2020-09-08
申请号:US16540123
申请日:2019-08-14
Applicant: ExxonMobil Research and Engineering Company
IPC: C10M171/02 , C10N20/02 , C10N20/00 , C10N30/02 , C10N30/10 , C10N40/04 , C10N40/08 , C10N40/10 , C10N40/20 , C10N40/30 , C10G69/02 , C10M101/02 , C10G65/12 , C10G47/18 , C10G45/64 , C10G45/62 , C10G47/12 , C10G45/00 , C10G45/08 , C10N40/25 , C10N50/10
Abstract: Disclosed are Group III base stocks comprising greater than or equal to about 90 wt. % saturated hydrocarbons (saturates); a viscosity index from 120 to 145; a unique ratio of molecules with multi-ring naphthenes to single ring naphthenes (2R+N/1RN); a unique ratio of branched carbons to straight chain carbons (BC/SC); a unique ratio of branched carbons to terminal carbons (BC/TC); and unique MRV behavior as a function of base stock naphthene ratio (2R+N/1RN). A method for preparing the base stocks is also disclosed. Also disclosed is a lubricating oil having the base stock as a major component, and an additive as a minor component.
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公开(公告)号:US20200277542A1
公开(公告)日:2020-09-03
申请号:US16744670
申请日:2020-01-16
Applicant: ExxonMobil Research and Engineering Company
Inventor: Luca Salvi , Zhisheng Gao , Abigail R. Van Wassen , Martin N. Webster
IPC: C10M169/04 , C10M171/02
Abstract: This disclosure relates to a lubricating oil (e.g., gear oil) for use in an electric or hybrid vehicle. The lubricating oil has a composition including one or more lubricating oil base stocks as a major component, and one or more lubricating oil additives, as a minor component. The one or more lubricating oil base stocks include at least one Group IV base oil, or at least one Group V base oil. The lubricating oil has a kinematic viscosity (KV100) from 1 cSt to 7 cSt at 100° C. as determined by ASTM D-445, and an electrical conductivity at room temperature of less than 15,000 pS/m as determined by ASTM D-2624. This disclosure also relates to methods for producing a lubricating oil for a transmission, gear train, gear set, gear box, or gears of an electric vehicle powertrain and methods for improving energy efficiency, while maintaining or improving wear control.
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公开(公告)号:US10752846B2
公开(公告)日:2020-08-25
申请号:US15933422
申请日:2018-03-23
Applicant: ExxonMobil Research and Engineering Company
Inventor: Stephen H. Brown , Brian A. Cunningham , Randolph J. Smiley , Samia Ilias , Brenda A. Raich , Tien V. Le
Abstract: Systems and methods are provided for improving the processing of heavy or challenged feeds in a refinery based on integrated use of deasphalting, coking, and hydroprocessing. An optional fluid catalytic cracking unit can be included in the integrated system to allow for further improvements. The improved processing can be facilitated based on a process configuration where the vacuum resid fractions and/or other difficult fractions are deasphalted to generate a deasphalted oil and a deasphalter residue or rock fraction. The deasphalted oil can be passed into a hydroprocessing unit for further processing. The rock fraction can be used as the feed to a coking unit. Although deasphalter residue or rock is typically a feed with a high content of micro carbon residue, a high lift deasphalting process can allow a portion of the micro carbon residue in the initial feed to remain with the deasphalted oil. The portion of micro carbon residue that remains in the deasphalted oil can then be upgraded during hydroprocessing and/or during subsequent processing of the feed. By reducing the amount of micro carbon residue passed into a coker for a given initial feed source, the overall capacity for a reaction system to handle heavy feeds can be increased relative to the rate of coke production from the reaction system.
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