Patents Examined by Vishal V Vasisth
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Patent number: 11873461Abstract: A sulfurized extreme pressure additive and lubricant including the same providing good copper corrosion and seal compatibility.Type: GrantFiled: September 22, 2022Date of Patent: January 16, 2024Assignee: Afton Chemical CorporationInventors: David Edwards, LeAnna Hobbs, Magdalena Makowska, Jon Jacoby
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Patent number: 11866672Abstract: Provided is a lubricating oil composition including a lubricating oil additive and a lubricating oil, the lubricating oil additive having nanodiamonds, of which a surface is hydrophobically modified by a surface treatment, dispersed in a base oil. The lubricating oil composition retains dispersibility over a long period of time and thus can ensure storage stability. Machines to which the lubricating oil composition is applied may have improved abrasion resistance as well as improved fuel consumption and reduced noise, and high thermal conductivity of the lubricating oil composition may also increase cooling efficiency and the service life of machines.Type: GrantFiled: August 29, 2022Date of Patent: January 9, 2024Assignee: KONASOL CO., LTD.Inventors: Yeon Joo Bae, Keum Cheol Hwang, Im Joo Choi
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Patent number: 11865499Abstract: A zeolite membrane complex includes a longitudinal support member having at least one through hole extending along its length and a zeolite membrane on an inner peripheral surface of the through hole or over an outer peripheral surface of the support, from one end portion of the support to the other end portion thereof. Among constituent elements of the zeolite membrane except oxygen, an element with the highest percentage is a main element, and when the concentration of the main element is measured at three portions defined by dividing the support into three equal parts in the longitudinal direction, the concentration of the main element gradually decreases from the one end portion toward the other end portion, and the ratio of the concentration of the main element at the other end portion to that at the one end portion is 0.90 or more.Type: GrantFiled: February 17, 2021Date of Patent: January 9, 2024Assignee: NGK INSULATORS, LTD.Inventors: Makoto Miyahara, Kenichi Noda
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Patent number: 11859149Abstract: An ionic liquid composed of nitrogen-free cations and aromatic halogen- and boron-free anions is useful as an additive to prolong the service life of hydrocarbonaceous liquids exposed to nitrogen dioxide contamination, and to provide friction and wear reduction.Type: GrantFiled: October 26, 2022Date of Patent: January 2, 2024Assignee: Infineum International LimitedInventors: David Robert Coultas, Matthew David Irving, Nathan Hollingsworth, Adam Greer, Christopher Hardacre
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Patent number: 11857948Abstract: A packing material for chromatography, the packing material comprising coated particles, wherein the coated particles comprise non-porous particles and a portion of the surface area of the non-porous particles is coated with a coating composition comprising graphene and/or graphene oxide.Type: GrantFiled: November 2, 2018Date of Patent: January 2, 2024Assignee: Dow Global Technologies LLCInventors: Rongjuan Cong, Albert Parrott, Charles Michael Cheatham, Janet Goss
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Patent number: 11845907Abstract: Provided is a carbon transfer film excellent in wear suppression and friction reduction effects. A carbon transfer film 12 contains sp2-bonded carbon, wherein a ratio of zirconium calculated by elemental analysis of a surface by SEM-EDX measurement is 0.6 mass % or lower, and a thickness is less than 100 nm. A sliding member 1 includes a substrate 11 and a carbon transfer film 12 provided on at least one surface of the substrate 11, wherein the carbon transfer film 12 contains sp2-bonded carbon and has a thickness of less than 100 nm; and a ratio of zirconium calculated from elemental analysis the carbon transfer film 12 surface by SEM-EDX measurement of is 0.6 mass % or lower. A lubricant composition contains an organic dispersion medium as a lubricant base and nanodiamond particles nanodispersed in the organic dispersion medium, wherein a content ratio of zirconia is lower than 100 mass ppm.Type: GrantFiled: September 16, 2020Date of Patent: December 19, 2023Assignee: DAICEL CORPORATIONInventor: Ryosuke Ihara
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Patent number: 11845904Abstract: In one embodiment, a portable thermite fire starter kit is provided. For instance, one or more small pieces or solid blocks of thermite may be contained within a portable kit container along with one or more ignition items. The ignition items may comprise thermite matches. In one embodiment, the ignition items are kept separate from the pieces of thermite. In one embodiment, one or both of the thermite pieces and/or thermite matches are constructed as multiple layers of progressively ignitable materials and/or compounds. In particular, the layers may start at a first layer and that can reach a first burn temperature that is at least a subsequent adjacent layer ignition temperature, where each subsequent intermediate layer leading to the thermite progressively increases in ignition temperature to not more than a previously adjacent layer burn temperature and also increases in burn temperature to at least a subsequent adjacent layer ignition temperature.Type: GrantFiled: July 25, 2022Date of Patent: December 19, 2023Assignee: Advanced Defense Components Inc.Inventors: Sean Patrick Cauley, Scott Robert Higgins, Jeremy Keith Moore, Brian Patrick Cole
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Patent number: 11834778Abstract: A multifunctional high-strength composite fabric coating agent, a coating, a method for preparing the same and an application thereof are provided. The fabric coating agent includes a resin, a reinforcing agent with a reactive group, a bifunctional dispersing agent, a leveling agent, a film forming agent, a softening agent, an antibacterial agent, a solvent, and the like. The reinforcing agent is modified such that it has active functional groups of —OH and NH3. The fabric coating agent is not only easy to apply, fast to react and stabilize, but also suitable for a fabric surface of any material. A treated fabric has high tensile-breaking strength, excellent tearing and bursting performance, good waterproof-and-moisture-permeability and antibacterial performance, and high adhesion. It can be repeatedly knife coated, roll coated, calendared, or dipped. The method is not only mature in technology and low in production cost, but also suitable for large-scale application.Type: GrantFiled: April 17, 2018Date of Patent: December 5, 2023Assignee: Jiangnan UniversityInventors: Dan Zhang, Chanjuan Huang, Lei Deng, Zhu Long
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Patent number: 11827862Abstract: Described herein are durable coatings, i.e. for medical devices, and methods of forming the coatings.Type: GrantFiled: August 6, 2021Date of Patent: November 28, 2023Assignee: MicroVention, Inc.Inventors: Hussain Rangwala, William R. Patterson, Aaron Baldwin
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Patent number: 11827863Abstract: A low S marine fuel trunk piston diesel engine lubricant includes an overbased metal detergent; a zinc dihydrocarbyl dithiophosphate; optionally an aminic antioxidant; and a borated ashless dispersant. The lubricant exhibits improved thermal and oxidative stability and improved high temperature detergency.Type: GrantFiled: March 22, 2018Date of Patent: November 28, 2023Assignee: INFINEUM INTERNATIONAL LIMITEDInventors: Adam P Marsh, Jonathan M. Hughes
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Patent number: 11820911Abstract: Disclosed is a coating composition for watch elements, comprising a binder, preferably a two-component polyurethane; one or more pigments, preferably in quantities from 19 to 58% by weight of pigments (based on total solids of the composition); at least one filler; a solvent or a solvent combination, preferably butyl acetate and/or ethyl lactate. optionally one or more commonly used additives, customary auxiliaries or combinations of them. Further disclosed are a kit-of-parts, a coating on a watch element, a process for coating a watch element and a watch obtainable by said process or comprising said coating.Type: GrantFiled: October 30, 2020Date of Patent: November 21, 2023Assignee: Rolex SAInventors: Jean-Paul Issartel, Nadji Salhi, Fernanda Rossetti, Helena Schall, Martin Winkler, Stefanie Zuber
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Patent number: 11820907Abstract: A tire dressing composition is provided that includes petroleum distillates in which a polybutene or isobutene/butene copolymer is dissolved to form a clear solution. In the water-based approach, the polybutene or isobutene/butene copolymer was emulsified by a surfactant. A wetting agent is also present in the composition to render the composition self-levelling. The sprayable tire dressing composition provides a high gloss and good wettability to a tire surface that develops a uniform coating on the treated tire surface.Type: GrantFiled: October 25, 2019Date of Patent: November 21, 2023Assignee: ILLINOIS TOOL WORKS INC.Inventors: Tsao-Chin Clarence Huang, Ali Alwattari
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Patent number: 11820862Abstract: According to one aspect of the present invention, an organic fluorine compound is represented by a general formula (R-?-E-CH2)2-A??(1A) (where A is a divalent perfluoropolyether group, ? is an arylene group or a single bond, R is an alkenyl group or an alkynyl group, and E is an ether bond or an ester bond or a group that is represented by a chemical formula —O—CH2CH(OH)CH2O— two groups each of which is represented by a general formula R-?-E-CH2— may be the same or different, and at least one n among two ? is an arylene group).Type: GrantFiled: June 27, 2018Date of Patent: November 21, 2023Assignee: RESONAC CORPORATIONInventors: Kentaro Watanabe, Yasuyuki Ueda, Kenzo Hanawa
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Patent number: 11814590Abstract: Provided are a method of producing a lubricating base oil composition including a) reacting at least a part of waste plastic pyrolysis oil having a boiling point in a range higher than 340° C. to remove impurities and structurally isomerizing the oil; and b) hydroisomerizing at least a part of the product of step a), and a lubricating base oil composition produced therefrom. A lubricating base oil, which has more methyl branches than petroleum-based lubricating base oil, to have improved low-temperature properties may be provided.Type: GrantFiled: August 26, 2022Date of Patent: November 14, 2023Assignees: SK Innovation Co., Ltd., SK Geo Centric Co., Ltd.Inventors: Hee Jung Jeon, Seung Woo Lee, Yoon Kyung Lee, Ho Won Lee, Yeon Ho Kim, Ka Young Kim, Ok Youn Kim, Young Moo Park
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Patent number: 11811337Abstract: A nanofiber actuator comprises a composite structure and a vanadium dioxide layer. The composite structure comprises a carbon nanotube wire and an aluminum oxide layer. The aluminum oxide layer is coated on a surface of the carbon nanotube wire, and the aluminum oxide layer and the carbon nanotube wire are located coaxially with each other. The vanadium dioxide layer is coated on a surface of the composite structure, and the vanadium dioxide layer and the composite structure are located non-coaxially with each other.Type: GrantFiled: August 18, 2020Date of Patent: November 7, 2023Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Guang Wang, He Ma, Xiang Jin, Hua Yuan, Yang Wei, Qun-Qing Li, Kai-Li Jiang, Shou-Shan Fan
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Patent number: 11795413Abstract: The invention relates to a poly alkyl(meth)acrylate polymer comprising polybutadiene-based monomer units and a process for preparing the same. The invention also relates to the use of said polymer as a viscosity index improver in lubricant formulation and to lubricant compositions comprising said polymer.Type: GrantFiled: February 25, 2022Date of Patent: October 24, 2023Assignee: Evonik Operations GmbHInventors: Tsuyoshi Yuki, Tomohiro Matsuda, Yasuo Arai
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Patent number: 11795414Abstract: The present invention relates to a method of processing a workpiece comprising contacting a tool and a workpiece to effect a change in the shape of the workpiece, and applying a metalworking fluid to a surface area where the tool and the workpiece are in contact, where the metalworking fluid contains a propoxylate of the formula R—O—(C3H6O)n—H, where R is a branched C6 to C20 alkyl and n is from 3 to 30. The invention further relates to the metalworking fluid, and to a use of the propoxylate as additive in metalworking fluids.Type: GrantFiled: April 1, 2020Date of Patent: October 24, 2023Inventors: Frank Rittig, Marcel Harhausen, Thorsten Schoeppe, Marcus Leubner, Lu Yi Zhang, Markus Hansch, Kian Molawi, Jan Strittmatter
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Patent number: 11787893Abstract: Provided are a polyaspartic acid derivative and a preparation method and use thereof as a lubricant, and a water-based drilling fluid and use thereof. The polyaspartic acid derivative has a structure shown in formula I, wherein, in the formula I, R1 is selected from the group consisting of —CH2—CH2—CH2—, —CH2—CH2—CH2—CH2—, and —CH2—CH2—CH2—CH2—CH2—CH2—; R2 is selected from the group consisting of —OH, —N—(CH2—CH2—OH)2, —O—CH2—CH2—NH—CH2—CH2—OH, —NH—CH2—CH2—OH, and —O—CH2—CH2—NH2; and n and m are independently 8 to 17.Type: GrantFiled: February 21, 2023Date of Patent: October 17, 2023Assignees: Yangtze University, Jingzhou Jiahua Technology Co., Ltd.Inventors: Fuchang You, Mingbiao Xu, Kai Jiao, Shusheng Zhou
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Patent number: 11786886Abstract: The present disclosure relates to a composition that includes copper (Cu), aluminum (Al), oxygen, and an element (M) that includes at least one of magnesium, cerium, and/or a transition metal, where the copper and the element are present at a first molar ratio relative to the aluminum between about 0.1:1 and about 30:1 ((Cu+M):Al), and the copper and the element are present at a second molar ratio between about 0.1:4 and about 20:1 (Cu:M).Type: GrantFiled: March 1, 2021Date of Patent: October 17, 2023Assignee: Alliance for Sustainable Energy, LLCInventors: Derek Richard Vardon, Huong Thi Thanh Nguyen
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Patent number: 11779706Abstract: The invention relates to a lubricant coating (5) for a medical injection device (1), comprising successively: —a bottom layer (50) in contact with the medical device surface (21) of the container to be lubricated, comprising a mixture of cross-linked and non-cross-linked poly-(dimethylsiloxane), —an intermediate layer (51) consisting essentially of oxidized poly-(dimethylsiloxane) and having a thickness comprised between 10 and 30 nm and, —a top layer (52) consisting essentially of non-cross-linked poly-(dimethylsiloxane) and having a thickness of at most 2 nm. The invention also relates to a medical injection device comprising such a lubricant coating, and a manufacturing process for said coating.Type: GrantFiled: September 1, 2021Date of Patent: October 10, 2023Assignee: Becton Dickinson FranceInventors: Cédric Foucher, Virginie Santucci-Aribert