Patents Examined by Prem C. Singh
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Patent number: 11760953Abstract: A viscosity index improver comprising a reaction product of (i) an acylated copolymer obtainable by acylating a copolymer of ethylene and one or more C3-C10 alpha-olefins having an Mn of 3,000 to 250,000 g/mol; and (ii) a compound of the formulae (III)-(V): wherein R6, R8, R9, R10, R12 and R15 are independently selected from a hydrogen and an optionally substituted linear or branched alkyl or alkenyl group, and R7, R11, R13, R14, R16, and R17 are independent selected from an optionally substituted linear or branched alkyl or alkenyl group, and a sum of the number of carbon atoms in each compound of the formulae (III)-(V) is from 6 to 31.Type: GrantFiled: July 15, 2021Date of Patent: September 19, 2023Assignee: AFTON Chemical CorporationInventors: Sheng Jiang, Arturo Carranza
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Patent number: 11760943Abstract: A process for upgrading a hydrocarbon feed includes contacting the hydrocarbon feed with steam in the presence of a cracking catalyst in a steam catalytic cracking reactor at reaction conditions sufficient to cause at least a portion of hydrocarbons in the hydrocarbon feed to undergo one or more cracking reactions to produce a steam catalytic cracking effluent comprising light olefins, light aromatic compounds, or both, where the cracking catalyst comprises a ZSM-11 zeolite.Type: GrantFiled: November 8, 2022Date of Patent: September 19, 2023Assignees: Saudi Arabian Oil Company, King Fahd University of Petroleum and MineralsInventors: Aaron Chi Akah, Ziyauddin S. Qureshi, Abdullah M. Aitani, Siddiqui M. Abdulbari
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Patent number: 11760951Abstract: The present invention addresses a problem of providing a grease composition containing a urea-based thickener and capable of appropriately maintaining the kinematic friction force in lubrication parts. The grease composition contains a base oil (A) and a urea-based thickener (B), wherein the base oil (A) has a kinematic viscosity at 40° C. of 100 mm2/s or more, and the particles containing the urea-based thickener (B) in the grease composition satisfy the following requirement (I). Requirement (I): the area-based arithmetic average particle diameter of the particles is 2.0 ?m or less, as measured by a laser diffraction/scattering method.Type: GrantFiled: February 27, 2020Date of Patent: September 19, 2023Assignee: IDEMITSU KOSAN CO. , LTD.Inventor: Go Watanabe
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Patent number: 11760941Abstract: Improved catalytic reforming processes and systems employ reforming reactors in a more efficient manner and can avoid problems associated with yield loss. A portion of the naphtha feed is pre-reformed for conversion of paraffinic naphtha-range compounds into naphthenes and/or aromatics prior to passing to a reforming unit.Type: GrantFiled: January 14, 2021Date of Patent: September 19, 2023Assignee: Saudi Arabian Oil CompanyInventors: Ali H. Alshareef, Omer Refa Koseoglu
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Patent number: 11746300Abstract: A method and apparatus for separating production fluids using a system designed to minimize the heating requirements through thermodynamic efficiency and reduce equipment costs.Type: GrantFiled: November 5, 2020Date of Patent: September 5, 2023Assignee: Bell Engineering, Inc.Inventors: Robert Richardson, Tyler Briggs, Brint Bridegam
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Patent number: 11746271Abstract: A refrigerant composition includes about 90-92 wt % difluoromethane and about 8-10 wt % pentafluoroethane. The refrigerant composition is formed from all recycled materials, and the refrigerant composition has a net global warming potential of about 0. A method of preparing the refrigerant composition includes injecting a mixture of recovered refrigerants into the center of a distillation column, the mixture of injected refrigerants being difluoromethane, pentafluoroethane and chlorodifluoromethane, removing from the top of the distillation column a refrigerant composition of about 90-92 wt % difluoromethane and about 8-10 wt % pentafluoroethane, and removing chlorodifluoromethane from a bottom of the distillation column.Type: GrantFiled: October 11, 2022Date of Patent: September 5, 2023Assignee: The Coulan Company L.L.C.Inventors: David L. Couchot, Abiral Mainali, Raymond E. Maloney, Harold B. Kivlan, IV
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Patent number: 11746852Abstract: A drive assembly for a two-wheeled vehicle, wherein a closed chain is guided around a drive pinion and a sprocket for output. The chain is formed by pins, on each a bush rotatable about the center longitudinal axis of the pin, a roller provided on each bushing, for rotation around the bushing and has play, and the pins being connected to each other at two opposite ends by means of plates. The outer surface of the bushings and the rollers is coated with pure ta-C, having no further chemical elements except for unavoidable trace elements resulting from production in a PVD method. An Ra roughness between 0.03 ?m and 0.2 ?m and/or an Rz roughness between 0.3 ?m and 2 ?m is adhered to the surface of the coatings. The surfaces of the pinion and the sprocket in contact with the rollers do not have a coating of diamond-like carbon.Type: GrantFiled: November 5, 2018Date of Patent: September 5, 2023Assignees: BAYERISCHE MOTOREN WERKE AKTIENGESELLSCHAFT, FRAUNHOFER-GESELLSCHAFT ZUR FOERDERONG DER ANGEWANDTEN FORSCHUNG E.VInventors: Franz-Josef Wetzel, Sascha Groetzki, Lionel Mathern, Volker Weihnacht, Andreas Leson
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Patent number: 11739282Abstract: Lubricant compositions comprising a base oil, one or more antioxidants selected from a group consisting of N-?-naphthyl-N-phenylamine antioxidants and diphenylamine antioxidants; and a sulfur-containing additive comprising up to seven carbon atoms exhibit outstanding oxidative stability and non-corrosion properties. The N-?-naphthyl-N-phenylamine antioxidants plus diphenylamine antioxidants in total may be present from about 0.2 wt % to about 0.8 wt %, based on the total weight of the lubricant composition. The sulfur provided by the sulfur-containing additive may be present from about 50 ppm to about 1000 ppm by weight, based on the total weight of the lubricant composition.Type: GrantFiled: March 16, 2020Date of Patent: August 29, 2023Assignee: BASF SEInventors: Michael Hoey, David Eliezer Chasan, Jeffrey Schoonmaker, Ryan James Fenton
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Patent number: 11739191Abstract: A system for continuously treating recycled polymeric material includes a hopper configured to feed the recycled polymeric material into the system. An extruder can turn the recycled polymeric material in a molten material. In some embodiments, the extruder uses thermal fluids, electric heaters, and/or a separate heater. The molten material is depolymerized in a reactor. In some embodiments, a catalyst is used to aid in depolymerizing the material. In certain embodiments, the catalyst is contained in a permeable container. The depolymerized molten material can then be cooled via a heat exchanger. In some embodiments, multiple reactors are used. In certain embodiments, these reactors are connected in series. In some embodiments, the reactor(s) contain removable static mixer(s) and/or removable annular inserts.Type: GrantFiled: June 29, 2021Date of Patent: August 29, 2023Assignee: GreenMantra Recycling Technologies Ltd.Inventors: Amalia Gil, Domenic Di Mondo, Radek Rybicki
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Patent number: 11739039Abstract: The present invention provides: a surfactant that has outstanding emulsifiability in oil, wetting properties with respect to matter, osmotic properties with respect to fiber products, and washability; and a surfactant composition that contains the surfactant. This surfactant contains at least one compound represented by a Chemical Formula (1). (In the formula: R1 is a hydrogen atom or an aliphatic hydrocarbon group with a carbon number of 1-33; R2 is an aliphatic hydrocarbon group with a carbon number of 1-33; the total carbon number of R1 and R2 is 1-34; X is a single bond or an aliphatic hydrocarbon group with a carbon number of 1-5; either A1 or A2 is —OH; and the other is —O—CH2—CH(OH)—CH2OH or —O—CH(—CH2—OH)2.Type: GrantFiled: May 28, 2020Date of Patent: August 29, 2023Assignee: KAO CORPORATIONInventors: Shogo Kamenoue, Hiroshi Hori, Takashi Wakasa, Shunsuke Koriki, Takashi Mizooku, Ryuya Arata, Akiyoshi Kimura
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Patent number: 11739281Abstract: The present invention relates to the use of a lubricating composition comprising: —at least one base oil; and—at least one monoester which is separate from the base oil and formed between a linear, saturated or unsaturated C8-C14 monocarboxylic acid, and a branched, saturated or unsaturated C4-C16 monoalcohol to reduce the fuel consumption of a vehicle fitted with a transmission member, in particular a gearbox and/or an axle, which is lubricated by means of said composition.Type: GrantFiled: March 27, 2020Date of Patent: August 29, 2023Assignee: TOTALENERGIES ONETECHInventors: Goulven Bouvier, Nicolas Champagne, Gael Robineau
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Patent number: 11732203Abstract: An ebullated bed hydroprocessing system is upgraded and operated at modified conditions using a dual catalyst system to produce less fouling sediment. The less fouling sediment produced by the upgraded ebullated bed reactor reduces the rate of equipment fouling at any given sediment production rate and/or concentration compared to the sediment produced by the ebullated bed reactor prior to upgrading. In some cases, sediment production rate and/or concentration are maintained or increased, after upgrading the ebullated bed reactor, while equipment fouling is reduced. In other cases, sediment production rate and/or concentration are increased, after upgrading the ebullated bed reactor, without increasing equipment fouling. In some cases, sediment production rate and/or concentration are decreased by a given percentage, after upgrading the ebullated bed reactor, and the rate of equipment fouling is decreased by a substantially greater percentage.Type: GrantFiled: August 16, 2021Date of Patent: August 22, 2023Assignee: HYDROCARBON TECHNOLOGY & INNOVATION, LLCInventors: David M. Mountainland, Brett M. Silverman, Michael A. Rueter, Lee Smith
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Patent number: 11732202Abstract: A method for producing aromatic compounds from pyrolysis oil comprises: upgrading the pyrolysis oil to pyrolysis gasoline in a multi-stage reactor comprising a slurry-phase reactor and a fixed-bed reactor, wherein the slurry-phase reactor comprises a mixed metal oxide catalyst, and the fixed-bed reactor comprises a mesoporous zeolite-supported metal catalyst; aromatizing the pyrolysis gasoline in an aromatization unit; hydrodealkylating and transalkylating a product from the aromatization unit in a hydrodealkylation-transalkylation unit, thereby producing an aromatic stream; and processing the aromatic stream in an aromatics recovery complex to produce the aromatic compounds comprising benzene, toluene, and xylenes (BTX).Type: GrantFiled: March 24, 2022Date of Patent: August 22, 2023Assignee: Saudi Arabia Oil CompanyInventors: Miao Sun, Zhonglin Zhang, Noor Al-Mana, Hattan T. Janbi, Sohel K. Shaikh, Eman Z. Albaher, Noor A. Sulais
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Patent number: 11731094Abstract: The present invention provides a multistage single reactor system for hydroprocessing and a process of carrying out multistage hydroprocessing in the said reactor assembly consisting of, a fixed bed solid catalyst system, a feed injection system enabling axial flow of hydrogen saturated hydrocarbon feed, a hydrogen dispensing system inside the reactor enabling minimum required hydrogen flow in cross-flow pattern, also using multitudes of integrated separation and withdrawal limbs for continuous staging. The innovative reactor disclosed in the present invention enables continuous separation and withdrawal of gaseous products along the reactor length by means of combined horizontal reactor orientation and vertical separation limbs provided at the top of the horizontally oriented reactor. The advantage of the reactor assembly includes effective heat sink of exothermic reactions and lower severity of operation due to removal of inhibitory gaseous products.Type: GrantFiled: July 26, 2022Date of Patent: August 22, 2023Assignee: INDIAN OIL CORPORATION LIMITEDInventors: Yamini Gupta, Arun Arangarasu, Nepal Viswakarma, Ganesh Vitthalrao Butley, Sarvesh Kumar, Madhusudan Sau, Gurpreet Kapur Singh, Sankara Sri Venkata Ramakumar
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Patent number: 11732199Abstract: Cracking furnace system for converting a hydrocarbon feedstock into cracked gas comprising a convection section, a radiant section and a cooling section, wherein the convection section includes a plurality of convection banks configured to receive and preheat hydrocarbon feedstock, wherein the radiant section includes a firebox comprising at least one radiant coil configured to heat up the feedstock to a temperature allowing a pyrolysis reaction, wherein the cooling section includes at least one transfer line exchanger.Type: GrantFiled: June 15, 2018Date of Patent: August 22, 2023Assignee: TECHNIP ENERGIES FRANCEInventor: Peter Oud
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Patent number: 11726000Abstract: A hybrid structure ultraviolet dye for leak detection in an appliance includes a ceramic matrix defining pores, and fluorophores encapsulated in nanoparticles bonded to the ceramic matrix within the pores. Upon excitation, the fluorophores release energy and emit fluorescent light to be detected under an ultraviolet lamp. The hybrid structure ultraviolet dye can be included in the refrigerant of a sealed system such that upon refrigerant, the hybrid structure ultraviolet dye, or both exit the sealed system at a leak onto external surfaces of the components, the color emitted by the fluorophores can be detected via application of a UV light.Type: GrantFiled: December 22, 2020Date of Patent: August 15, 2023Assignee: WHIRLPOOL CORPORATIONInventors: Muhammad Khizar, Raymond Thompson, Jordan Sahs
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Patent number: 11713424Abstract: A process for operating a reforming system by operating a reforming section containing a plurality of reactors, wherein each of the plurality of reactors containing a reforming catalyst capable of catalyzing the conversion of at least a portion of the hydrocarbons in a treated hydrocarbon stream into a reactor effluent comprising aromatic hydrocarbons, and operating a sulfur guard bed (SGB) to remove sulfur and sulfur-containing hydrocarbons from a hydrocarbon feed to provide the treated hydrocarbon stream, where the SGB contains at least a layer of a SGB catalyst comprising the same catalyst as the reforming catalyst, and where each reactor of the plurality of reactors within the reforming section may be operated at a higher operating temperature than an operating temperature of the SGB. A system for carrying out the process is also provided.Type: GrantFiled: February 14, 2018Date of Patent: August 1, 2023Assignee: Chevron Phillips Chemical Company, LPInventors: Ryan W. Snell, Scott G. Morrison, Vincent D. McGahee, Xianghong Hao, Gabriela Alvez-Manoli
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Patent number: 11708541Abstract: A bicycle chain lubricant that may be applied as a coating on a bicycle chain is a crystalline solid at ambient temperatures, yet when the chain is in motion the forces around internal components locally transforms the coating to a lubricous fluid. This increases chain efficiency in the drive train and reduces ware by limiting water and dirt access to chain internal components.Type: GrantFiled: October 8, 2019Date of Patent: July 25, 2023Inventor: Alexander Mordaunt
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Patent number: 11708287Abstract: A method for the treatment of oil-based sludge by thermal desorption, characterized in that it comprises a step of conditioning of the sludge to be treated which includes the conditioning of the oil-based sludge with rice husk in a 1:2 ratio, before entering the TDU, increasing the technical and economic viability and cost relation of the thermal desorption for oil-based sludge treatment, showing better performance, and making possible the treatment of sludge on an industrial scale with effective rates of 28.6 m3/day, oil recovery of 54%, with a volumetric increase of 19%, compared to the original volume, and a fuel consumption adjusted to the historical data of the TDU from the economic point of view, which allows to have a high amount of rice husk, reducing the costs associated with the elimination of this agro-industrial waste.Type: GrantFiled: December 17, 2020Date of Patent: July 25, 2023Inventor: William Ariza Fontecha
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Patent number: 11702614Abstract: Disclosed is a lubricating oil composition capable of having a good balance of electrical insulation, seizure resistance and wear resistance. In particular, the lubricating oil composition comprises: (A) a lubricant base oil; (B) an alkaline earth metal detergent; (C) a triazole-based compound represented by the following general formula (1) or (2): wherein R1-R6 are as defined herein; (D) at least one sulfur-containing compound selected from the group consisting of a sulfur-containing heterocyclic ether compound and a sulfide compound; and (E) an ashless dispersant.Type: GrantFiled: March 13, 2020Date of Patent: July 18, 2023Assignee: ENEOS CorporationInventors: Mona Ishii, Hitoshi Komatsubara