Patents Examined by James C. Goloboy
  • Phosphorylated dispersants in fluids for electric vehicles
    Patent number: 11332689
    Abstract: The present disclosure relates to a lubricating fluid for an electric motor system and a method of lubricating gears and cooling a motor in an electric motor system. In particular, the disclosed technology relates to a lubricating fluid, for use in electric motor vehicle, comprising an oil of lubricating viscosity and at least one phosphorylated dispersant exhibiting increased resistivity after aging.
    Type: Grant
    Filed: August 7, 2020
    Date of Patent: May 17, 2022
    Assignee: Afton Chemical Corporation
    Inventors: Tsuneo Adachi, Lesley Schmid, Hideaki Mitsui, Christopher Cleveland, Atanu Adhvaryu
  • Fluorine-containing ether compound, lubricant for magnetic recording medium and magnetic recording medium
    Patent number: 11332686
    Abstract: A fluorine-containing ether compound represented by formula (1) shown below. R4—CH2—R3—CH2—R2—CH2—R1—CH2—R2—CH2—R3—CH2—R4??(1) (In formula (1), R1 and R3 represent different perfluoropolyether chains, R2 represents a linking group containing one or more polar groups, and R4 represents a terminal group containing two or more polar groups.
    Type: Grant
    Filed: November 24, 2017
    Date of Patent: May 17, 2022
    Assignee: SHOWA DENKO K.K.
    Inventors: Naoya Fukumoto, Yuta Yamaguchi, Naoko Ito, Katsumi Murofushi
  • Furniture lubricant
    Patent number: 11332685
    Abstract: A furniture lubricant for coating a linear lacquered furniture slide bar to provide a slide layer with lowered friction. The furniture lubricant comprises a C10 to C28 alkane and a tri-glyceride. The viscosity, according to ISO 3104:1994/COR 1:1997, of the furniture lubricant at 40° C. is 20 to 80 mm2/s.
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: May 17, 2022
    Assignee: IKEA SUPPLY AG
    Inventor: Benny Andersson
  • Lubricating oil base oil, lubricating oil composition containing same, and continuously variable transmission using said lubricating oil composition
    Patent number: 11326119
    Abstract: Provided are: a lubricant base oil capable of achieving both a high traction coefficient and an excellent low-temperature fluidity at a higher level and having a high flash point, which contains a ring-containing compound having at least (i) a crosslinked bicyclic ring where two rings are bonded while sharing 3 or more carbon atoms, and (ii) an acyloxy group or a hydrocarbyloxycarbonyl group each containing a branched hydrocarbon group with a main chain having 4 or more carbon atoms, a lubricating oil composition containing the lubricant base oil, and a continuously variable transmission using the lubricating oil composition.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: May 10, 2022
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Kenichi Ogata, Akio Kojima, Takeshi Iwasaki
  • Emulsifier for lubricating oil concentrate
    Patent number: 11292981
    Abstract: The present disclosure provides a lubricating oil concentrate containing an ethoxylated ether amine and a base oil. The lubricating oil concentrate is capable of forming a stable, low foaming emulsion when added to an aqueous medium and may be useful in metalworking and cleaning fluids.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: April 5, 2022
    Assignee: HUNTSMAN Petrochemical LLC
    Inventors: Xiaolong Li, Wei-Yang Su, Jun Fan
  • Fluorine-containing ether compound, lubricant for magnetic recording medium and magnetic recording medium
    Patent number: 11292979
    Abstract: A fluorine-containing ether compound represented by a formula (1) shown below. R4—CH2—R3—CH2—R2—CH2—R1—CH2—R2—CH2—R3—CH2—R5??(1) In formula (1), R1 and R3 represent the same or different perfluoropolyether chains, R2 represents a linking group containing at least one polar group, one or both of R4 and R5 represent a terminal group containing two or more polar groups, and R4 and R5 are different.
    Type: Grant
    Filed: February 20, 2017
    Date of Patent: April 5, 2022
    Assignee: SHOWA DENKO K.K.
    Inventors: Yuta Yamaguchi, Naoya Fukumoto, Naoko Ito, Hiroyuki Tomita, Ichiro Ota, Katsumi Murofushi
  • Methods for the manufacture of polyetherimides and polyetherimides made by the method
    Patent number: 11292879
    Abstract: A method of manufacturing an isolated polyetherimide composition includes combining an as-synthesized polyetherimide comprising units of the formula (I) and a melt-stabilizing amount of a tri(C8-30 acyl) glyceride, an anhydride of the formula (II), or a combination comprising at least one of the foregoing, to provide a mixture; and isolating a polyetherimide composition from the mixture to provide the isolated polyetherimide composition having a change in complex viscosity measured over 30 minutes at 390° C., at a shear rate of 6.28 rad/seconds, strain=5%, and under nitrogen, from +15 to ?20%, preferably from +10 to ?20%, more preferably from +5 to ?20%.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: April 5, 2022
    Assignee: SHPP GLOBAL TECHNOLOGIES B.V.
    Inventors: Carmen Rocio Misiego Arpa, Edward Venema, Bernabe Quevedo Sanchez, Javier Nieves Remacha, Juan J. Rodriguez Ordonez
  • Lubricant composition for plastic processing
    Patent number: 11261397
    Abstract: Provided is a lubricant composition for plastic working which lubricant composition is excellent in lubricity and mold releasability. The lubricant composition for plastic working which lubricant composition contains: (a) silica; and (b) an alkali metal salt of an organic acid, a weight ratio of (b) the alkali metal salt of the organic acid to (a) the silica (a weight of (b)/a weight of (a)) being not less than 2, is used.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: March 1, 2022
    Assignee: MORESCO CORPORATION
    Inventor: Kentaro Hamashima
  • Hydraulic fluid composition
    Patent number: 11261398
    Abstract: A hydraulic fluid includes an oil of lubricating viscosity and at least 2 wt. % of an ester of a carboxy group-containing interpolymer comprising units derived from a vinyl aromatic monomer and units derived from a carboxylic acid monomer. The interpolymer also contains nitrogen functionality. The hydraulic fluid is at least substantially free of polyacrylates and polymethacrylates.
    Type: Grant
    Filed: April 19, 2017
    Date of Patent: March 1, 2022
    Assignee: The Lubrizol Corporation
    Inventors: Daniel J. Knapton, David Cressey, Daniel C. Visger
  • Mineral oil type base oil, and vacuum pump oil
    Patent number: 11254889
    Abstract: Provided is a mineral base oil that conforms to viscosity grades VG22 to VG100 as defined in ISO 3448 and exhibits a distillation curve with a temperature gradient ?|DT| of distillation temperature between two points of 2.0 vol % and 5.0 vol % of distillation amount being 6.8° C./vol % or less. A vacuum pump oil containing the mineral base oil is excellent in vacuum characteristics and can conform to viscosity grades VG22 to VG100 as defined in ISO 3448.
    Type: Grant
    Filed: March 9, 2018
    Date of Patent: February 22, 2022
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventor: Tokue Sato
  • Drag reducing agents
    Patent number: 11248748
    Abstract: A drag reducing composition comprises a sealed temporary container; and a drag reducing agent and up to 20 weight percent of a dispersing fluid disposed in the sealed temporary container. The drag reducing agent comprises polyolefin particles having a particle size of about 10 to about 2,000 microns; and the dispersing fluid comprising water, an alcohol, a hydrocarbon, or a combination comprising at least one of the foregoing.
    Type: Grant
    Filed: June 4, 2020
    Date of Patent: February 15, 2022
    Assignee: BAKER HUGHES OILFIELD OPERATIONS LLC
    Inventors: Brandon M. Vittur, Jian Zou
  • Release agent for hot-forging die, application method for same, and application device
    Patent number: 11242496
    Abstract: A release agent for a hot-forging die, containing micronanobubbles.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: February 8, 2022
    Assignee: Mazda Motor Corporation
    Inventors: Masahito Takagaki, Yuzou Yamaga, Takeshi Maeda
  • Marine diesel lubricant oil compositions
    Patent number: 11230684
    Abstract: A lubricating oil composition can include a major amount of an oil of lubricating viscosity and a minor amount of an alkaline earth metal phenol-based detergent. The lubricating oil composition can further have a BN of greater than 140 mg KOH/g, and further wherein the marine diesel cylinder lubricating oil composition is substantially free of unsulfurized tetrapropenyl phenol and its unsulfurized metal salt.
    Type: Grant
    Filed: October 17, 2017
    Date of Patent: January 25, 2022
    Assignee: CHEVRON ORONITE TECHNOLOGY B.V.
    Inventors: Cornelis Hendrikus Maria Boons, Theodorus Constance Cleophas
  • Use of oils comprising non-neurotoxic anti-wear additives
    Patent number: 11230683
    Abstract: The invention relates to the use of an oil that does not include tricresyl phosphate and includes as an anti-wear additive at least one diphosphorus compound for the prophylaxis of aerotoxic syndrome, especially in case of fume event. It also relates to the oil as such.
    Type: Grant
    Filed: May 20, 2020
    Date of Patent: January 25, 2022
    Assignee: NYCO
    Inventors: Djibril Faye, Marion Gay, Florence Severac, Jean-Louis Mansoux, Grégoire Herve
  • Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium
    Patent number: 11225624
    Abstract: A fluorine-containing ether compound represented by Formula (1) is provided, R1—R2—CH2—R3—CH2—R4??(1) (In Formula (1), R1 is an alkyl group that may have a substituent, R2 is a divalent linking group bonded to R1 via an ethereal oxygen, R3 is a perfluoropolyether chain, and R4 is an end group which is different from R1-R2 and includes two or three polar groups, in which each of the polar groups is bonded to a different carbon atom, and the carbon atoms bonded to the polar groups are bonded to each other via a linking group containing a carbon atom not bonded to the polar groups.).
    Type: Grant
    Filed: August 7, 2018
    Date of Patent: January 18, 2022
    Assignee: SHOWA DENKO K.K.
    Inventors: Tsuyoshi Kato, Daisuke Yagyu, Naoya Fukumoto, Yuta Yamaguchi
  • Grease composition
    Patent number: 11220650
    Abstract: A grease composition containing a base oil and a calcium complex soap as a thickening agent, wherein a C18-22 straight chain, substituted or unsubstituted higher fatty acid; a substituted or unsubstituted aromatic monocarboxylic acid having a benzene ring; a C2-4 straight-chain saturated lower fatty acid; and a substituted or unsubstituted saturated dicarboxylic acid are used as carboxylic acids constituting the calcium complex soap.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: January 11, 2022
    Assignee: SHELL OIL COMPANY
    Inventors: Kazuya Watanabe, Keiji Tanaka, Hiroki Yano
  • Combinations of phosphorous-containing compounds for use as anti-wear additives in lubricant compositions
    Patent number: 11214750
    Abstract: The present disclosure relates to a lubricant composition comprising a first phosphorus compound, a second phosphorus compound, and a third phosphorus compound, wherein the first phosphorus compound is present in the lubricant composition in an amount to provide between about 120 and 350 ppm phosphorus. The lubricant composition may provide robust anti-wear and reduced pitting.
    Type: Grant
    Filed: September 14, 2017
    Date of Patent: January 4, 2022
    Assignee: AFTON CHEMICAL CORPORATION
    Inventor: Jeffrey L. Milner
  • Lubricating oil composition and method of producing the same
    Patent number: 11214749
    Abstract: The lubricating oil composition includes a base oil and a fullerene adduct.
    Type: Grant
    Filed: October 24, 2018
    Date of Patent: January 4, 2022
    Assignee: SHOWA DENKO K.K.
    Inventors: Ryuji Monden, Yu Gao, Kunio Kondo, Masumi Kuritani
  • Recovery of mining processing product using boronic acid-containing polymers
    Patent number: 11208332
    Abstract: Methods and compositions for improving performance of flocculants in an industrial production process. Methods include pH triggered cross-linking reaction between a flocculating agent, such as dextran, and a composition comprising a boronic acid-containing polymer. The pH trigger can be provided by a fluid having a pH of 8 or more. The production process can be a Bayer Process and the fluid is caustic liquor or slurry in the fluid circuit of the Bayer, wherein the reaction time is reduced over conventional methods and the cross-linked dextran composition effectuates improved flocculation of the trihydrate particles.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: December 28, 2021
    Assignee: Ecolab USA Inc.
    Inventors: Jing Wang, Kevin O'Brien, Mingli Wei, Weiguo Cheng, Jinfeng Wang, Kevin McDonald, Xinyu C. Huang
  • Refrigerator oil and working fluid composition for refrigerator
    Patent number: 11208608
    Abstract: In an aspect, the present invention provides a refrigerating machine oil comprising a poly(meth)acrylate as a base oil, wherein the poly(meth)acrylate comprises a hydrogenated poly(meth)acrylate, a content of a unit having a carbon-carbon double bond present at a terminal in the poly(meth)acrylate is 6% by mole or less relative to total units constituting the poly(meth)acrylate, and a kinematic viscosity at 40° C. of the hydrogenated poly(meth)acrylate is 1 to 1000 mm2/s, the refrigerating machine oil being used with a refrigerant comprising a refrigerant selected from difluoromethane, a mixture of difluoromethane and pentafluoroethane, a mixture of difluoromethane, pentafluoroethane, and 1, 1, 1, 2-tetrafluoroethane, a mixture of pentafluoroethane, 1, 1, 1, 2-tetrafluoroethane, and 1, 1, 1-trifluoroethane, an unsaturated hydrofluorocarbon, a hydrocarbon, and carbon dioxide.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: December 28, 2021
    Assignee: ENEOS CORPORATION
    Inventors: Kentaro Yamaguchi, Akira Tada, Tatsuki Nakajima, Takeshi Okido, Hidetoshi Ogata