Patents Examined by James C. Goloboy
  • Patent number: 11186787
    Abstract: A base stock having at least 90 wt. % saturates, an amount and distribution of aromatics, as determined by ultra violet (UV) spectroscopy, including an absorptivity between 280 and 320 nm of less than 0.015 l/gm-cm, a viscosity index (VI) from 80 to 120, and having a cycloparaffin performance ratio greater than 1.05 and a kinematic viscosity at 100° C. between 4 and 6 cSt. A base stock having at least 90 wt. % saturates, an amount and distribution of aromatics, as determined by UV spectroscopy, including an absorptivity between 280 and 320 nm of less than 0.020 l/gm-cm, a viscosity index (VI) from 80 to 120, and having a cycloparaffin performance ratio greater than 1.05 and a kinematic viscosity at 100° C. between 10 and 14 cSt. A lubricating oil having the base stock as a major component, and one or more additives as a minor component. Methods for improving oxidation performance and low temperature performance of formulated lubricant compositions through the compositionally advantaged base stock.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: November 30, 2021
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: Rugved P. Pathare, Lisa I-Ching Yeh, Yogi V. Shukla, Charles L. Baker, Jr., Bryan E. Hagee, Debra A. Sysyn, Kendall S. Fruchey
  • Patent number: 11174449
    Abstract: A composition comprising an oil of lubricating viscosity and a compound represented by formula (I) wherein: x is 0 or 1; R1 is a hydrocarbyl group containing about 4 or about 18 carbon atoms; R2 is an aliphatic hydrocarbyl group containing about 1 to about 12 carbon atoms; and y is 0 or 1, which composition is effective at swelling seals.
    Type: Grant
    Filed: May 22, 2017
    Date of Patent: November 16, 2021
    Assignee: The Lubrizol Corporation
    Inventors: Mahmud M. Hussain, Peter Miatt
  • Patent number: 11174450
    Abstract: The invention provides a grease composition for lubrication of a sliding surface made of resin, including a fluorine-based base oil and a synthetic hydrocarbon oil as a base oil; a fluorine-based thickener, and a lithium soap thickener or a lithium complex soap thickener as a thickener; and an extreme pressure additive as an additive. The invention also provides a sliding member including a sliding surface made of a resin wherein the grease composition for lubrication is applied to the sliding surface made of a resin.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: November 16, 2021
    Assignee: Minebea Mitsumi Inc.
    Inventors: Yusuke Asai, Daiki Yamamoto, Takuya Kitajima, Motojiro Tsuna
  • Patent number: 11161807
    Abstract: A bis-urea compound of general formula (IV): The compound is useful as a thermo-thickening agent in a non-polar liquid such as engine lubricating oil or thermosetting varnish. Also, a method for preparing the thermo-thickening compound. Further, a composition comprising the thermo-thickening compound and a non-polar liquid.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: November 2, 2021
    Assignees: SORBONNE UNIVERSITE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Virgile Ayzac, Laurent Bouteiller, Matthieu Raynal, Benjamin Isare
  • Patent number: 11142695
    Abstract: Trisubstituted triazine antioxidants.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: October 12, 2021
    Inventors: Duk Hi Lee, Arthur Lee
  • Patent number: 11142715
    Abstract: Friction modifier and compositions containing the friction modifier as a fuel additive are provided. Methods for improving fuel efficiency using these compositions are also provided.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: October 12, 2021
    Assignees: CHEVRON U.S.A. INC., CHEVRON ORONITE COMPANY LLC
    Inventors: Theresa Liang Gunawan, Richard Eugene Cherpeck, Amir Gamal Maria
  • Patent number: 11135565
    Abstract: There is described herein a metal organic framework (MOF) composite material, the composite material having a MOF entrapped within a hydrogel.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: October 5, 2021
    Assignee: UTI Limited Partnership
    Inventors: Qingye Lu, Omar Maan, Ping Song
  • Patent number: 11136521
    Abstract: The present application relates to the use, in a lubricant composition comprising at least one base oil, of 2 to 12% by weight, relative to the weight of said lubricant composition, of an ester that has a viscosity at 100° C. of between 200 and 1000 cSt, for the purpose of improving the cleanliness of an engine.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: October 5, 2021
    Assignee: TOTAL MARKETING SERVICES
    Inventor: Modestino De Feo
  • Patent number: 11111449
    Abstract: The invention relates to the use of quaternized nitrogen compounds as a fuel and lubricant additive or kerosene additive, such as in particular as a detergent additive, for decreasing or preventing deposits in the injection systems of direct-injection diesel engines, in particular in common rail injection systems, for decreasing the fuel consumption of direct-injection diesel engines, in particular of diesel engines having common rail injection systems, and for minimizing the power loss in direct-injection diesel engines, in particular in diesel engines having common rail injection systems; the invention further relates to the use as an additive for petrol, in particular for operation of DISI engines.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: September 7, 2021
    Assignee: BASF SE
    Inventors: Markus Hansch, Harald Boehnke, Wolfgang Grabarse, Ludwig Voelkel, Maxim Peretolchin
  • Patent number: 11114211
    Abstract: Disclosed herein are systems, methods, processes, and apparatuses for treating radioactive waste, through systems designed to bind and dry radioactive media. In some of its various embodiments, the system includes at least one helical screw designed to receive and mix liquid wastes with ion exchange media, as well as convey the resulting slurry through one or more of a binding, dewatering, and drying/off-gassing region.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: September 7, 2021
    Assignee: Veolia Nuclear Solutions, Inc.
    Inventors: Joshua Mertz, Ja-Kael Luey, Wes Bratton, Kenneth Schofield
  • Patent number: 11111162
    Abstract: A method for treating tailings substrate from mining or oil sands separation process, the tailings substrate comprising an aqueous phase with suspended solid particulate material. In the method, a flocculating agent is added to the tailings substrate, flocs are allowed to form and the formed flocs are separated from the aqueous phase. The flocculating agent comprises a degraded polyacrylamide comprising at least anionic units and having a process water viscosity reduced by 25-99%, preferably 50-99%, compared to a substantially similar polyacrylamide that has not been degraded by a degradation agent, measured at a shear rate 1 s?1 as a 0.4-0.8 weight-% solution of polymer in process water.
    Type: Grant
    Filed: August 10, 2020
    Date of Patent: September 7, 2021
    Assignee: KEMIRA OYJ
    Inventors: Thomas Fenderson, Miguel Pelaez, Igal Maasen, Yuping Luo
  • Patent number: 11104859
    Abstract: Disclosed are compositions containing at least one of the following: (1) estolide polyethylene glycol diesters; (2) hydroxy derived estolide polyethylene glycol diesters; (3) unsaturated hydroxy derived estolide polyethylene glycol diesters; (4) estolide trimetholpropane diesters; (5) hydroxy derived estolide trimetholpropane diesters; (6) unsaturated hydroxy derived estolide trimetholpropane diesters; (7) estolide epoxide polyethylene glycol diesters; (8) estolide dihydroxide polyethylene glycol diesters; (9) mono-capped hydroxy derived estolide epoxide polyethylene glycol diesters; (10) mono-capped hydroxy derived estolide dihydroxide polyethylene glycol diesters; and mixtures thereof; and optionally a carrier. All the compounds can be used as a viscosity index improver thereby improving a lubricant's performance.
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: August 31, 2021
    Assignee: The United States of America, as represented by the Secretary of Agriculture
    Inventors: Terry Isbell, Steven C. Cermak, Benjamin A. Lowery
  • Patent number: 11097228
    Abstract: The present invention relates to an acid-resistant nanomembrane with an improved flow rate and a method of producing the acid-resistant nanomembrane, and more particularly, to an acid-resistant nanomembrane with an improved flow rate, which can also be used under strong-acid and high-temperature conditions for the recovery of rare metals, valuable metals, and the like generated in a smelting process and which exhibits both excellent flow rate and excellent acid resistance, and a method of producing the acid-resistant nanomembrane.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: August 24, 2021
    Assignee: TORAY ADVANCED MATERIALS KOREA INC.
    Inventors: Hong Sub Shin, Yong Doo Jung
  • Patent number: 11098261
    Abstract: Lubricant infused surfaces (LIS) can be uncoated high-surface-energy solids, thereby eliminating the need for unreliable low-surface-energy coatings and resulting in LIS repelling the lowest surface tension impinging fluid (butane, ??13 mN/m) reported to date.
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: August 24, 2021
    Assignee: MASSACHUSETTS INSTITUTE OF TECHNOLOGY
    Inventors: Evelyn N. Wang, Daniel John Preston
  • Patent number: 11084968
    Abstract: A composition for use in various down-hole operations in oil and gas wells. The compositions can include various combinations of certain ethers and other components e.g., esters, alkoxylated alcohols, acidizing agents and hydrocarbon co-solvents. The compositions are useful in a wide variety of down-hole applications particularly well cleaning, filter cake removal and well stimulation techniques e.g., acidizing.
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: August 10, 2021
    Assignee: Sasol Chemicals GmbH
    Inventors: Nelson Akaighe, Jorge Fernandez, Christian Jones
  • Patent number: 11085490
    Abstract: The invention relates to a sliding element, in particular for a stretching installation and/or a conveyor chain, comprising graphite or electrographite, wherein the sliding element has pores which have an open pore size of ?7.5% by volume, and wherein the particle size of the graphite particles used as a starting material for the sliding elements is between 3 ?m and 15 ?m.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: August 10, 2021
    Assignee: BRÜCKNER MASCHINENBAU GMBH & CO. KG
    Inventors: Martin Swoboda, Tobias Häusl, Emmerich Kulinyak, Sebastian Kraus, Georg Murner, Markus Unterreiner, Werner Bamberger, Anthimos Giapoulis, Michael Baumeister
  • Patent number: 11078438
    Abstract: An overbased metal detergent grease comprising at least one of polyalkylene glycol and/or an acid having at least one of both a nitrogen and a sulfur atom. The grease has improved extreme pressure performance as measured by the Standard Test Method for Measurement of Extreme-Pressure Properties of Lubricating Grease (Four-Ball Method), ASTM D2596. Methods of making an overbased metal detergent grease comprising using at least one of polyalkylene glycol and/or an acid having at least one of both a nitrogen and a sulfur atom. Methods of lubricating mechanical components using the grease comprising contacting the mechanical component with the grease. Mechanical components can include gears, drivetrain elements, bearings, hinges, or combinations thereof.
    Type: Grant
    Filed: July 24, 2018
    Date of Patent: August 3, 2021
    Assignee: Chemtool Incorporated
    Inventors: Thakorbhai S. Patel, Jeffrey D St. Aubin
  • Patent number: 11078381
    Abstract: A hydrogel that adheres to the surface of materials is provided by using as constituent elements a water-soluble main chain monomer, crosslinking agent, polymerization initiator, and adhesive monomer having at least a catechol group in a side chain.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: August 3, 2021
    Assignee: Japan Science and Technology Agency
    Inventors: Hiroshi Yabu, Matsuhiko Nishizawa, Kuniaki Nagamine, Yuta Saito, Jun Kamei, Tatsuaki Shimazaki, Shun Chihara
  • Patent number: 11066619
    Abstract: The invention relates to phosphorous-containing compounds useful as antiwear additive components, lubricant additive compositions and lubricant compositions each comprising such compounds, methods for making and using the same, including methods of lubricating machines and machine parts and methods of extending the useful life of elastomeric seal components of such machines.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: July 20, 2021
    Assignee: AFTON CHEMICAL CORPORATION
    Inventor: David Edwards
  • Patent number: 11066622
    Abstract: A method of lubricating at least a portion of a powertrain in a vehicle with an electric motor with a functional fluid composition containing greater than 50 wt % of a base oil; and an additive composition prepared by mixing: a) a hydrocarbyl acid phosphate of the formula (I) to provide at least 50 ppmw phosphorus to the functional fluid composition; wherein R is a C1-C6 hydrocarbyl group and R1 is selected from hydrogen and a C1-C6 hydrocarbyl group; b) an amount of one or more calcium-containing detergent(s) sufficient to provide at least 25 ppmw calcium to the functional fluid composition; and c) one or more nitrogen containing dispersants in an amount sufficient to provide greater than 20 ppmw of nitrogen to the functional fluid composition, all based on the total weight of the functional fluid composition. Functional fluid compositions containing the above-mentioned components and lubricating methods are also disclosed herein.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: July 20, 2021
    Assignee: AFTON CHEMICAL CORPORATION
    Inventors: Xinggao Fang, Randy Rousseau