Patents Examined by Robert D. Harlan
  • Patent number: 11512196
    Abstract: The instant disclosure relates to a fluorine-containing ethylene-vinyl alcohol copolymer (EVOH) resin composition as well as mixture and blend thereof. The fluorine-containing EVOH resin composition comprises EVOH and fluorine-containing particles, wherein the fluorine-containing EVOH resin composition has a total fluoride ion content ranging from 45 to 41000 ppm. The invention can reduce the adhesion of EVOH to the inside of the extruder, and effectively reduce the appearance of gel or gelled substance in subsequent finished products.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: November 29, 2022
    Assignee: CHANG CHUN PETROCHEMICAL CO., LTD.
    Inventors: Hou Hsi Wu, Yu Hsiu Li, Wen Hsin Lin
  • Patent number: 11505624
    Abstract: The present invention relates to a rubber composition having excellent tensile properties and viscoelasticity properties and including a modified conjugated diene-based polymer. The rubber composition may include a modified conjugated diene-based polymer which is selected considering target tensile properties and viscoelasticity properties, by predicting in advance the correlation of the modification ratio of the modified conjugated diene-based polymer and the dynamic viscoelasticity loss coefficient at 60° C. of the rubber composition through Mathematical Formula 1 and Mathematical Formula 2. Therefore, excellent compounding properties may be shown.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: November 22, 2022
    Inventors: Jin Sook Ryu, Kyoung Hwan Oh, Woo Jin Cho, Suk Youn Kang, Sung Joon Oh, Sun Ok Oh
  • Patent number: 11505632
    Abstract: The invention relates to a composition and method for producing a solid extracting agent for extraction of scandium from sulfuric acid solutions. There is provided a solid extracting agent (Solex) for extraction of scandium from scandium-containing solutions comprising a styrene-divinylbenzene matrix with di-(2-ethylhexyl) phosphoric acid. The extracting agent further comprises tri-n-octylphosphine oxide, tributyl phosphate, isododecane, in the following ratio of components, wt. %: di-(2-ethylhexyl) phosphoric acid 32.0-37.5, tri-n-octylphosphine oxide 4.2-8.0, tributyl phosphate 0.8-1.7, isododecane 16.7-20.0, the remainder styrene-divinylbenzene, with the styrene/divinylbenzene ratio in the matrix equal to 75-80 to 20-25 wt. %. There is also provided a method of producing the Solex. The technical result is the production of a scandium-selective Solex with a high dynamic exchange capacity.
    Type: Grant
    Filed: June 28, 2018
    Date of Patent: November 22, 2022
    Assignees: JOINT-STOCK COMPANY AXION—RARE EARTH AND NOBLE METALS, FEDERAL STATE AUTONOMOUS EDUCATIONAL INSTITUTION OF HIGHER EDUCATION URAL FEDERAL UNIVERSITY NAMED AFTER THE FIRST PRESIDENT OF RUSSIA B.N. YELTSIN, JOINT-STOCK COMPANY DALUR
    Inventors: Dmitrii Alekseevich Kondrutskii, Vladimir Nikolaevich Rychkov, Evgenii Vladimirovich Kirillov, Sergey Vladimirovich Kirillov, Grigory Mikhailovich Bunkov, Evgenii Sergeevich Vostrov, Vitalii Aleksandrovich Tretiakov, Gadzhi Rabadanovich Gadzhiev, Nikolai Anatolevich Poponin, Denis Valerevich Smyshliaev
  • Patent number: 11499068
    Abstract: The present disclosure relates to: a curable petroleum resin, which includes a repeating unit derived from a petroleum resin monomer, a repeating unit derived from a silane monomer and a repeating unit derived from a styrene-based monomer, and is used as an additive for a reactive polyolefin-based adhesive composition so as to increase adhesiveness to a polyolefin-based substrate used for various components; a preparation method thereof; and a use thereof.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: November 15, 2022
    Inventors: Je Min Lee, Myung Jong Kim, Wan Jae Lee, Dae Soon Park, Jun Hyo Park
  • Patent number: 11499026
    Abstract: Inorganic infrared attenuation agent blends have been developed to improve the thermal insulation properties of polymeric foams such as polystyrene low density foams. The inorganic infrared attenuation agent blends can include two or more metal oxides such as silicon dioxide, manganese (IV) oxide, iron (III) oxide, magnesium oxide, bismuth (III) oxide, cobalt oxide, zirconium (IV) oxide, molybdenum (III) oxide, titanium oxide, and calcium oxide. In some preferred embodiments, the inorganic infrared attenuation agent blends can include four or more of these metal oxides.
    Type: Grant
    Filed: January 28, 2021
    Date of Patent: November 15, 2022
    Assignee: Owens Corning Intellectual Capital, LLC
    Inventors: Xiangmin Han, Nigel Ravenscroft, Jose Mendez-Andino, Chase J. Boudreaux, Yadollah Delaviz, John R. Green, Heather Alspaugh
  • Patent number: 11498990
    Abstract: A crosslinkable rubber composition includes a carboxyl group-containing nitrile rubber (A); a carboxyl group-containing acrylic rubber (B); and a polyamine-based crosslinking agent (C), where a ratio of a weight of the carboxyl group-containing nitrile rubber (A) to a weight of the carboxyl group-containing acrylic rubber (B) is from 5:95 to 95:5. The carboxyl group-containing nitrile rubber (A) includes 5 to 60% by weight of ?,?-ethylenically unsaturated nitrile monomer units, and ?,?-ethylenically unsaturated monocarboxylic acid ester monomer units. The carboxyl group-containing nitrile rubber (A) has an iodine value of 120 or less.
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: November 15, 2022
    Assignee: ZEON CORPORATION
    Inventor: Shiho Mosaki
  • Patent number: 11499034
    Abstract: The present invention relates to a film comprising hydrophobically modified cellulose fibers in which cellulose fibers are bound to a modifying group at one or more members selected from anionic groups and hydroxyl groups, and an oil having an SP value of 10 or less. The film of the present invention can be utilized in the fields of materials for packaging containers for cosmetics and foods.
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: November 15, 2022
    Assignee: KAO CORPORATION
    Inventors: Kouji Ohsaki, Yoshinori Hasegawa, Takuma Tsuboi
  • Patent number: 11492480
    Abstract: The invention provides a fluoroelastomer composition that can be crosslinked at an industrially sufficient rate without the use of a graphene having specific surface properties and can provide a fluoroelastomer molded article having higher tensile strength and better abrasion resistance than conventional fluoroelastomer molded articles even though having a similar tensile modulus to conventional fluoroelastomer molded articles. The fluoroelastomer composition contains a fluoroelastomer that contains a crosslinkable group-containing monomer unit and an elongated sheet-shaped graphene. The graphene exhibits a ratio (L/W) of a maximum length (L) and a width (W) of 2 to 105, and the graphene exhibits a ratio (L/T) of the maximum length (L) and a thickness (T) of 1×101 to 1×107.
    Type: Grant
    Filed: June 4, 2018
    Date of Patent: November 8, 2022
    Assignees: TOKYO INSTITUTE OF TECHNOLOGY, DAIKIN INDUSTRIES, LTD.
    Inventors: Masatoshi Shioya, Kenta Kubo, Shinya Maruta, Tsuyoshi Noguchi
  • Patent number: 11492466
    Abstract: Provided is a latex composition for dip molding. The latex composition for dip molding includes a carboxylic acid-modified nitrile-based copolymer latex and a hydrophobically modified alkali-soluble emulsion thickener, wherein the hydrophobically modified alkali-soluble emulsion thickener includes a copolymer including an associative portion and a non-associative portion, and the associative portion includes a monomer-derived repeating unit substituted by one or more first hydrophobic groups selected from the group consisting of alkyl, alkenyl, perfluoroalkyl, and carbosilyl having 8 to 15 carbon atoms, and aryl, arylalkyl, arylalkenyl, alicyclic alkyl, and polycyclic alkyl having 6 to 15 carbon atoms. A method of preparing the latex composition for dip molding, and a molded article manufactured therefrom are also provided.
    Type: Grant
    Filed: November 1, 2019
    Date of Patent: November 8, 2022
    Inventors: Won Sang Kwon, Seung Uk Yeu, Seung Whan Oh, Yong Seok Jung, Jung Su Han
  • Patent number: 11492457
    Abstract: Described herein are fluoropolymer compositions comprising a compound of Formula I wherein X1 is selected from O or S; L is a divalent linking group comprising at least one aromatic ring; and X2 is selected from the group consisting of a hydroxyl group, an amino group, a thiol group, and a nitrile group. In one embodiment, the phthalonitrile-containing compound is used to crosslink a dehydrohalogenated polymer, and optionally with a polyhydroxy curative. In another embodiment, the phthalonitrile-containing compound is added to a composition comprising (i) a fluorinated elastomeric gum, wherein the fluorinated elastomeric gum comprises a fluoropolymer having a cure-site and (ii) a peroxide curing system.
    Type: Grant
    Filed: May 18, 2020
    Date of Patent: November 8, 2022
    Assignee: 3M Innovative Properties Company
    Inventors: Michael H. Mitchell, Benjamin J. Anderson, Gregg D. Dahlke, Tatsuo Fukushi
  • Patent number: 11485811
    Abstract: The invention relates to particles with an average particle size of 300 to 1000 ?m, comprising a modified polyvinyl alcohol having vinyl alcohol units and structural units represented by formula (1), wherein a content of the vinyl alcohol units is 60 to 90 mol % based on the total structural units: wherein R1 represents a hydrogen atom or a methyl group. Thus, the present invention provides particles containing a modified polyvinyl alcohol having high water solubility and high affinity for a photosensitive monomer, which are highly photosensitive.
    Type: Grant
    Filed: February 18, 2019
    Date of Patent: November 1, 2022
    Assignee: KURARAY CO., LTD.
    Inventors: Yusuke Amano, Yuki Tachibana, Yuki Shimizu, Kazuhiko Maekawa
  • Patent number: 11485815
    Abstract: A 4-methyl-1-pentene polymer particle (X) which satisfies the following requirements (X-a), (X-b) and (X-c): (X-a) being composed of a 4-methyl-1-pentene polymer which has a content of a constitutional unit derived from 4-methyl-1-pentene being 30.0 to 99.7% by mol, and a content of a constitutional unit derived from at least one olefin selected from ethylene and an ?-olefin having 3 to 20 carbon atoms (except for 4-methyl-1-pentene) being 0.3 to 70.0% by mol; (X-b) having, when measured in a cross fractionation chromatograph apparatus (CFC) using an infrared spectrophotometer as a detector part, at least one peak A of an amount of a component eluted present in the range of 100 to 140° C., and at least one peak B of an amount of a component eluted present at lower than 100° C.; and (X-c) having a meso diad fraction (m) measured by 13C-NMR falling within the range of 95.0 to 100%.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: November 1, 2022
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Masakazu Tanaka, Toyoaki Sasaki, Tomoaki Matsugi, Sadahiko Matsuura, Naoto Matsukawa, Masatoshi Chinaka
  • Patent number: 11485879
    Abstract: Disclosed is a high-dielectric adhesive film, particularly a high-dielectric adhesive film including a substrate layer, a ceramic-mixed layer formed on one surface of the substrate layer and an adhesive layer formed on the surface of the substrate layer on which the ceramic-mixed layer is formed. The high-dielectric adhesive film thus configured is improved in permittivity due to the use of a ceramic component, thus preventing the malfunction of electronic devices, increasing the stability and performance thereof, and exhibiting heat dissipation effects.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: November 1, 2022
    Assignee: ICH Co., Ltd.
    Inventor: Young Hun Kim
  • Patent number: 11485809
    Abstract: The invention relates to a method of producing amidomethylated vinylaromatic bead polymers.
    Type: Grant
    Filed: June 9, 2017
    Date of Patent: November 1, 2022
    Assignee: LANXESS Deutschland GmbH
    Inventor: Bernd Koop
  • Patent number: 11485801
    Abstract: [Problems] An object of the present invention is to provide a crystalline radical polymerizable composition which is excellent in flowability and is easy to handle. [Solution Means] The crystalline radical polymerizable composition for sealing electrical and electronic component according to the present invention is characterized by comprising at least a crystalline radical polymerizable compound, an inorganic filler, a silane coupling agent, and a radical polymerization initiator. In addition, in a preferred embodiment of the crystalline radical polymerizable composition for sealing electrical and electronic component according to the present invention, the crystalline radical polymerizable compound is characterized by comprising one or more selected from unsaturated polyester, epoxy (meth) acrylate, urethane (meth) acrylate, polyester (meth) acrylate, -polyether (meth) acrylate, radical polymerizable monomer and radical polymerizable polymer.
    Type: Grant
    Filed: February 20, 2018
    Date of Patent: November 1, 2022
    Assignee: Japan U-Pica Company, Ltd.
    Inventors: Yuichi Ozawa, Tomohito Oyama
  • Patent number: 11479666
    Abstract: The invention relates to a composition for producing a thermoplastic moulding material, wherein the composition contains the following constituents: A) at least one polymer selected from the group consisting of aromatic polycarbonate, aromatic polyestercarbonate and polyester, B) at least one anhydride-functionalized ethylene-?-olefin copolymer or ethylene-?-olefin terpolymer having a weight-average molecular weight Mw of 50000 to 500000 g/mol determined by high-temperature gel permeation chromatography using ortho-dichlorobenzene as solvent against polystyrene standards, C) a talc-based mineral filler, and also to a process for producing the moulding material, to the moulding material itself, to the use of the composition or of the moulding material for producing moulded articles and to the moulded articles themselves.
    Type: Grant
    Filed: November 7, 2018
    Date of Patent: October 25, 2022
    Assignee: Covestro Deutschland AG
    Inventor: Derk Erich Wandner
  • Patent number: 11479661
    Abstract: The present invention discloses a rubber composition, a processing method thereof, and an aging resistant rubber product using the rubber composition. The rubber composition comprises a rubber matrix and essential components, wherein, based on 100 parts by weight of the rubber matrix, the rubber matrix comprises a branched polyethylene with a content represented as A, in which 0<A?100 parts, and an EPM and an EPDM with a content represented as B, in which 0?B<100 parts; and the essential components comprise 1.5-10 parts of a crosslinking agent, 30-200 parts of a reinforcing filler, and 5-250 parts of a plasticizer. The rubber composition provided by present invention has good processability and can be used for producing rubber products with high aging resistance and compression set resistance.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: October 25, 2022
    Assignee: HANGZHOU XINGLU TECHNOLOGIES CO., LTD.
    Inventors: Tao Xu, Zhi Sheng Fu, An Yang Wu
  • Patent number: 11472941
    Abstract: A composition of matter including a mother solution; an organic ester; an additive agent and deionized water. The mother solution includes a rare earth compound or a metal compound, an organic acid, an organic amine, and deionized water. Also provided is a method of preparing the composition of matter. The method includes: 1) heating deionized water to a temperature of 50-60° C.; adding an organic acid to the deionized water, allowing to dissolve, followed by addition of a rare earth compound or a metal compound, 2-4 hours later, adding an organic amine, heating to a temperature of 70-80° C. and holding; cooling and filtering to yield a mother solution; 2) mixing the mother solution, deionized water, and a catalyst; vacuumizing a resulting mixture, heating the mixture to a temperature of 95-125° C. and holding, following by addition of a polymerization inhibitor and an organic ester; 2-4 hours later, cooling, standing, separating.
    Type: Grant
    Filed: April 9, 2020
    Date of Patent: October 18, 2022
    Assignee: SHANGHAI LUFENG AUXILIARY CO., LTD.
    Inventor: Feng Wang
  • Patent number: 11466112
    Abstract: Provided is a carboxylic acid-modified nitrile-based copolymer latex, and more particularly, provided are a carboxylic acid-modified nitrile-based copolymer latex which includes a carboxylic acid-modified nitrile-based copolymer including a monomer-derived repeating unit; and a repeating unit derived from a monomer represented by Chemical Formula 1 below, the monomer-derived repeating unit including a conjugated diene-based monomer-derived repeating unit, an ethylenically unsaturated nitrile-based monomer-derived repeating unit, and an ethylenically unsaturated acid monomer-derived repeating unit (see description of the present invention), a method for preparing a carboxylic acid-modified nitrile-based copolymer latex, a latex composition for dip-forming including the copolymer latex, and an article formed by the composition.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: October 11, 2022
    Inventors: Ji Hyun Kim, Jung Eun Kim, Yong Seok Jung
  • Patent number: 11466150
    Abstract: A main object of the present invention is to provide a block copolymer composition which has good elasticity, while having excellent stress relaxation properties. The object is achieved by providing a block copolymer composition obtained by a modification treatment, the block copolymer composition comprising a block copolymer B formed by introducing a functional group capable of forming a non-covalent bond into a block copolymer A including at least one aromatic vinyl polymer block and at least one conjugated diene polymer block.
    Type: Grant
    Filed: May 1, 2018
    Date of Patent: October 11, 2022
    Assignees: ZEON CORPORATION, NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITY
    Inventors: Kousuke Isobe, Sadaharu Hashimoto, Atsushi Nozawa, Ryoji Kameyama, Atsushi Noro, Takato Kajita, Yushu Matsushita