Patents Examined by Prem C. Singh
  • Patent number: 11851627
    Abstract: To provide a grease composition for a tapered roller bearing having superior bearing lifetime under a condition of high temperature and a condition of high load, and a tapered roller bearing in which the grease composition for the tapered roller bearing is filled. A tapered roller bearing 11 includes an inner ring 12 having a raceway surface 12a, an outer ring 13 having a raceway surface 13a and a plurality of tapered rollers 14, and a flange part of the inner ring 12 gets into sliding contact with the tapered rollers 14. Grease 16 is filled around the tapered rollers 14. The grease 16 includes a base oil, a thickener and an additive. A frequency in which a storage modulus, which varies depending on frequency, of the grease 16 becomes minimum is equal to 7 Hz or more.
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: December 26, 2023
    Assignee: NTN CORPORATION
    Inventors: Ryouta Kondou, Takayuki Kawamura
  • Patent number: 11840675
    Abstract: Compositions for treating a substrate to provide increased lubricity to portions of the substrate surface that come into contact with the surface of a mating component are provided. The treated substrates provide improved lubricity, while maintaining adhesion between the surface of the substrate and an overlying polymer coating and imparting corrosion resistance to the substrate surface. The compositions include a silanol coupling agent in combination with lubricating particles, and an acid, which are dissolved or dispersed in a mixture of organic solvent and water.
    Type: Grant
    Filed: November 16, 2022
    Date of Patent: December 12, 2023
    Assignee: The Boeing Company
    Inventors: Daniel W. Huff, James A. Moore, Justin J. Robertson, Gregory T. Strawder
  • Patent number: 11840672
    Abstract: The present invention relates to a process and system for complete conversion of crude oils by integrating Desalter unit, Atmospheric and vacuum column, high severity FCC process, Naphtha cracking process, residue slurry hydrocracking process, Delayed coking process, Selective mild hydrocracking aromatic production unit, Dehydrogenation units, Aromatic/olefin recovery section, gasifier unit along with syngas to olefins conversion section.
    Type: Grant
    Filed: January 11, 2023
    Date of Patent: December 12, 2023
    Assignee: INDIAN OIL CORPORATION LIMITED
    Inventors: Ponoly Ramachandran Pradeep, Shahil Siddiqui, Vineeth Venu Nath, Darshankumar Manubhai Dave, Mainak Sarkar, Satyen Kumar Das, Madhusudan Sau, Sankara Sri Venkata Ramakumar
  • Patent number: 11827589
    Abstract: Methods of converting isobutylene to C5+ compounds. The methods may include contacting isobutylene with a skeletal isomerization catalyst to provide a mixture of C4 olefins, and then contacting the mixture of C4 olefins with a metathesis catalyst to convert the mixture of C4 olefins to a product mixture. The product mixture may include C5+ olefins.
    Type: Grant
    Filed: September 23, 2022
    Date of Patent: November 28, 2023
    Assignee: Lyondell Chemical Technology, L.P.
    Inventors: Linn Fang, Daniel F. White, Lei Zhang
  • Patent number: 11807610
    Abstract: A process for removing heavy polycyclic aromatic contaminants from a hydrocarbon stream using a quinolinium ionic liquid is described. The process includes contacting the hydrocarbon stream comprising the contaminant with a hydrocarbon-immiscible quinolinium ionic liquid to produce a mixture comprising the hydrocarbon and a hydrocarbon-immiscible quinolinium ionic liquid comprising at least a portion of the removed contaminant; and separating the mixture to produce a hydrocarbon effluent having a reduced level of the contaminant and a hydrocarbon-immiscible quinolinium ionic liquid effluent comprising the hydrocarbon-immiscible quinolinium ionic liquid comprising at least the portion of the removed contaminant.
    Type: Grant
    Filed: February 8, 2022
    Date of Patent: November 7, 2023
    Assignee: CHEVRON U.S.A. INC.
    Inventors: Saleh Ali Elomari, Huping Luo, Timi Pravin Singa
  • Patent number: 11807824
    Abstract: A fuel additive composition comprising an anthocyanidin; an amino acid; and a catalyst. The anthocyanidin may comprise delphinidin chloride. The amino acid may comprise aspartic acid, leucine acid, glutamic acid, a non-natural amino acid, or a combination thereof. Embodiments of the present invention also relate to a method for making of fuel additive, the method comprising: providing an anthocyanidin; contacting the anthocyanidin with an amino acid to form an anthocyanidin-amino acid mixture; contacting the anthocyanidin-amino acid mixture with a catalyst. The method may further comprise contacting the anthocyanidin-amino acid mixture with ethanol and/or an acid. The method may further comprise adjusting the pH of the anthocyanidin-amino acid mixture to less than 7.
    Type: Grant
    Filed: January 31, 2023
    Date of Patent: November 7, 2023
    Inventor: Clifton Ray Taylor
  • Patent number: 11795412
    Abstract: A gear fluid composition for lubricating a driveline including a combination of short-chain polysulfide and long-chain polysulfide extreme pressure agents to minimize sulfur loss and to maintain high extreme pressure performance.
    Type: Grant
    Filed: March 3, 2023
    Date of Patent: October 24, 2023
    Assignee: AFTON CHEMICAL CORPORATION
    Inventors: David Edwards, Helen Ryan
  • Patent number: 11781086
    Abstract: A lubricating oil composition comprises an amide and at least one additive. A lubricating grease composition comprises a liquid amide, a thickener comprising a metal soap, and at least one additive. The amide in each composition is the reaction product of a secondary, branched amine and a carboxylic acid. The carboxylic acid may be a monocarboxylic acid or a dicarboxylic acid, including dimer acid. The amide is hydrolytically stable, and may be used to increase the hydrolytic stability of the lubricant oil or grease composition. Alternatively, the amide may be used to increase the additive solubility or detergency of the lubricant oil or grease composition.
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: October 10, 2023
    Assignee: EQUUS UK TOPCO LTD
    Inventors: Claire Anne Ward, Alexei Nikolaevich Kurchan
  • Patent number: 11781084
    Abstract: The present invention provides: an oil agent additive that is easily soluble in an oil agent and is outstandingly effective in reducing the friction coefficient; and an oil agent composition that contains the oil agent additive. This oil agent additive contains at least one compound represented by a Chemical Formula (1). (In the formula: R1 and R2 are each an aliphatic hydrocarbon group with a carbon number of 1-33; the total carbon number of R1 and R2 is 2-34; X is a single bond or an aliphatic hydrocarbon group with a carbon number of 1-5; and A is —O—CH2—CH(OH)—CH2OH or —O—CH(—CH2—OH)2.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: October 10, 2023
    Assignee: KAO CORPORATION
    Inventors: Shogo Kamenoue, Hiroshi Hori, Takashi Wakasa, Shunsuke Koriki
  • Patent number: 11773341
    Abstract: Disclosed is a lubricating oil composition comprising (a) a major amount of an oil of lubricating viscosity having a kinematic viscosity at 100° C. in a range of about 2 to about 50 mm2/s; (b) a hydrocarbyl succinimide dispersant; (c) a borated hydrocarbyl succinimide dispersant; and (d) a hydrocarbyl succinimide post-treated with a post-treating agent selected from the group consisting of an organic carbonate, an epoxide, a lactone, a hydroxyaliphatic carboxylic acid, and combinations thereof.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: October 3, 2023
    Assignee: CHEVRON ORONITE COMPANY LLC
    Inventors: Claire Chommeloux, Alexander Boffa
  • Patent number: 11767489
    Abstract: A fluid includes a base stock and one or more additives. The base stock has a viscosity index of at least 80, and either a kinematic viscosity at 40° C. of at least 320 cSt or a kinematic viscosity at 100° C. of at least 14 cSt. The base stock includes greater than or equal to about 90 wt % saturates, less than or equal to about 10 wt % aromatics, and a sum of terminal/pendant propyl groups and terminal/pendant ethyl groups of at least 1.7 per 100 carbon atoms. The fluid has a thermal conductivity measured according to ASTM D7896 at 140° C. of 0.12 W/m·K or greater.
    Type: Grant
    Filed: May 17, 2021
    Date of Patent: September 26, 2023
    Assignee: Exxon Mobil Technology and Engineering Company
    Inventors: Abigail R. Van Wassen, Andrew E. Taggi, Percy R. Kanga
  • Patent number: 11760953
    Abstract: 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: Grant
    Filed: July 15, 2021
    Date of Patent: September 19, 2023
    Assignee: AFTON Chemical Corporation
    Inventors: Sheng Jiang, Arturo Carranza
  • Patent number: 11760943
    Abstract: 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: Grant
    Filed: November 8, 2022
    Date of Patent: September 19, 2023
    Assignees: Saudi Arabian Oil Company, King Fahd University of Petroleum and Minerals
    Inventors: Aaron Chi Akah, Ziyauddin S. Qureshi, Abdullah M. Aitani, Siddiqui M. Abdulbari
  • Patent number: 11760951
    Abstract: 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: Grant
    Filed: February 27, 2020
    Date of Patent: September 19, 2023
    Assignee: IDEMITSU KOSAN CO. , LTD.
    Inventor: Go Watanabe
  • Patent number: 11760941
    Abstract: 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: Grant
    Filed: January 14, 2021
    Date of Patent: September 19, 2023
    Assignee: Saudi Arabian Oil Company
    Inventors: Ali H. Alshareef, Omer Refa Koseoglu
  • Patent number: 11746300
    Abstract: 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: Grant
    Filed: November 5, 2020
    Date of Patent: September 5, 2023
    Assignee: Bell Engineering, Inc.
    Inventors: Robert Richardson, Tyler Briggs, Brint Bridegam
  • Patent number: 11746271
    Abstract: 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: Grant
    Filed: October 11, 2022
    Date of Patent: September 5, 2023
    Assignee: The Coulan Company L.L.C.
    Inventors: David L. Couchot, Abiral Mainali, Raymond E. Maloney, Harold B. Kivlan, IV
  • Patent number: 11746852
    Abstract: 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: Grant
    Filed: November 5, 2018
    Date of Patent: September 5, 2023
    Assignees: BAYERISCHE MOTOREN WERKE AKTIENGESELLSCHAFT, FRAUNHOFER-GESELLSCHAFT ZUR FOERDERONG DER ANGEWANDTEN FORSCHUNG E.V
    Inventors: Franz-Josef Wetzel, Sascha Groetzki, Lionel Mathern, Volker Weihnacht, Andreas Leson
  • Patent number: 11739282
    Abstract: 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: Grant
    Filed: March 16, 2020
    Date of Patent: August 29, 2023
    Assignee: BASF SE
    Inventors: Michael Hoey, David Eliezer Chasan, Jeffrey Schoonmaker, Ryan James Fenton
  • Patent number: 11739191
    Abstract: 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: Grant
    Filed: June 29, 2021
    Date of Patent: August 29, 2023
    Assignee: GreenMantra Recycling Technologies Ltd.
    Inventors: Amalia Gil, Domenic Di Mondo, Radek Rybicki