Patents Examined by Ling-siu Choi
  • Patent number: 11566123
    Abstract: A process for preparing polypropylene particles by using recyclable coffee grounds plant fibers includes the following preparation steps: S1) preparing raw materials; S2) processing the raw materials; S3) mixing the raw materials to obtain a mixture; and S4) performing mixing and extrusion granulation on the mixture. The raw materials in S1 include 35-40 parts of coffee grounds powder, 60-80 parts of polypropylene resin, 2-5 parts of compatibilizer, 4-8 parts of toughening agent, 1-3 parts of diffusing agent, 1-3 parts of maleic anhydride, 0.7-1.6 parts of anti-UV agent, 3-6 parts of antioxidant, and 1-2 parts of white oil. The present disclosure adopts coffee grounds for mixing preparation, the discarded coffee grounds can be reused, the prepared polypropylene particles contain fiber components, and the performance of a material is improved.
    Type: Grant
    Filed: May 9, 2022
    Date of Patent: January 31, 2023
    Assignees: SHENZHEN CONSYS SCIENCE & TECHNOLOGY CO., LTD, NIMBLE GROUP (SHANGHAI) CO., LTD.
    Inventor: Bing Luo
  • Patent number: 11566089
    Abstract: In an embodiment, the present disclosure pertains to a method of changing the glass transition temperature of a polymer. In some embodiments, the polymer includes at least one hydrazone-containing compound. In general, the methods of the present disclosure include one or more of the following steps of: (1) applying light to the polymer; and (2) thereby changing the glass transition temperature of the polymer. In another embodiment, the present disclosure pertains to a polymer having a light-adjustable glass transition temperature. In some embodiments, the polymer includes at least one hydrazone-containing compound.
    Type: Grant
    Filed: September 10, 2020
    Date of Patent: January 31, 2023
    Assignee: TRUSTEES OF DARTMOUTH COLLEGE
    Inventors: Ivan Abrahamian, Sirun Yang, Laura L. Jeliazkov, Jared D. Harris
  • Patent number: 11555085
    Abstract: A polymer composition comprising a star-branched copolymer having a plurality of arms is disclosed. Each polymer arm has a molecular weight Mp of from 1 kg/mol to 50 kg/mol and comprises polymerized units (i) derived from a first vinyl aromatic monomer comprising a radical-reactive group, wherein from greater than 10 mol % to 100 mol % of the units (i) are unhydrogenated; and optionally, polymerized units (ii) comprising hydrogenated and unhydrogenated forms of polymerized units derived from a high Tg monomer, and hydrogenated form of polymerized units (i) or hydrogenated form of polymerized styrene units; and optionally, polymerized units (iii) comprising (a) hydrogenated form of polymerized units derived from one or more acyclic conjugated dienes, and (b) polymerized units derived from one or more of a second vinyl aromatic monomer; wherein less than 10 wt. % of units (a) are unhydrogenated.
    Type: Grant
    Filed: May 1, 2020
    Date of Patent: January 17, 2023
    Assignee: Kraton Polymers LLC
    Inventors: Xavier Muyldermans, Ruidong Ding, Frank de Wit, Koen van Duin
  • Patent number: 11549024
    Abstract: The invention relates to a particle with a core-shell structure, the core of which comprises at least one thermochromic semiconductor and the shell comprises at least two layers—an inner layer in contact with the core and comprising a mineral material or an organo-mineral hybrid material; and—an outer layer comprising a mineral material or an organo-mineral hybrid material, different from that of the inner layer. The invention also relates to a method for producing this particle, and the use thereof as a temperature indicator, in particular in a culinary article, such as a pan.
    Type: Grant
    Filed: July 11, 2018
    Date of Patent: January 10, 2023
    Inventors: Stéphanie Le Bris, Anne Teissier
  • Patent number: 11548962
    Abstract: A self-healing polymer network containing a physical crosslinking agent, a composition therefor, and an optical element comprising the same is provided. The self-healing polymer network comprises a polymer derived from monomers including self-healing monomers each having a first polymerizable functional group and at least one of urethane, urea, or amide group chemically linked to the first polymerizable functional group, wherein the polymer has a backbone formed by polymerizing the first polymerizable functional groups of the self-healing monomers and a plurality of side groups each having at least one of urethane, urea, or amide group chemically linked to the backbone. In addition, the self-healing polymer network comprises a physical crosslinking agent which is an alcohol mixture having at least two of monool, diol, triol, and tetraol or the higher polyol and crosslinking the polymer by physically crosslinking the urethane, urea, or amide group of the side groups.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: January 10, 2023
    Assignee: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY
    Inventors: Dong Hack Suh, Kyoung Hwan Choi, Jeong Seop Oh
  • Patent number: 11548980
    Abstract: A polyester copolymer, having a number average molecular weight of equal to or more than 4000 gram/mole and having a glass transition temperature of less than 140° C., containing: (a) in the range from equal to or more than 45 mole % to equal to or less than 50 mole % of one or more bicyclic diol monomer units derived from the group consisting of isosorbide, isoidide, isomannide, 2,3:4,5-di-O-methylenegalactitol and 2,4:3,5-di-O-methylene-D-mannitol; (b) in the range from equal to or more than 25 mole % to equal to or less than 49.9 mole %, of an oxalate monomer unit; (c) in the range from equal to or more than 0.1 mole % to equal to or less than 25 mole % of one or more linear C3-C12 dicarboxylate monomer units; and (d) optionally equal to or more than 0 mole % to equal to or less than 5 mole % of one or more additional monomer units, the percentages based on the total amount of moles of monomer units within the polyester copolymer.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: January 10, 2023
    Assignee: Avantium Knowledge Centre B.V.
    Inventors: Bing Wang, Gerardus Johannes Maria Gruter
  • Patent number: 11543747
    Abstract: Provided are a composition, in which, in a case where an absorbance of 500 nm is A500, an absorbance of 580 nm is B580, and an absorbance of 600 nm is C600, an absorbance of A500/B580 is 2.0 or more, and C600/B580 is 1.5 or more, a color filter, and a hemoglobin sensor having the color filter.
    Type: Grant
    Filed: September 12, 2019
    Date of Patent: January 3, 2023
    Assignee: FUJIFILM Corporation
    Inventors: Hirotaka Takishita, Kazuya Oota
  • Patent number: 11535752
    Abstract: A weather-resistant flame-retardant resin composition includes: a polyolefin resin; a mixture of (poly) phosphate compounds, a total content of which is from 10 to 50 parts by mass with respect to 100 parts by mass of the polyolefin resin; 0.1 to 10 parts by mass a non-crosslinked silicone raw rubber having a number-average molecular weight of 10,000 to 1,000,000; and 0.1 to 20 parts by mass of an inorganic UV light shielding agent, and an electric wire and an optical fiber cable whose jacket is formed by the weather-resistant flame-retardant resin.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: December 27, 2022
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Taro Fujita, Shinya Nishikawa, Nayu Yanagawa, Yoshiaki Nagao, Masakazu Takami, Kenta Tsuchiya
  • Patent number: 11535696
    Abstract: A crosslinkable composition containing: a liquid monocyclic olefin ring-opened polymer (A) having a reactive group at a polymer chain end thereof and a weight-average molecular weight (Mw) of 1,000 to 50,000; and a crosslinkable compound (B) having, in the molecule, two or more functional groups reactive with the reactive group at the polymer chain end of the monocyclic olefin ring-opened polymer (A).
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: December 27, 2022
    Assignee: ZEON CORPORATION
    Inventors: Yasuo Tsunogae, Shingo Okuno, Hiroyuki Nitadori
  • Patent number: 11512234
    Abstract: An adhesive composition made from an elastomer and a tackifying resin. The tackifying resin includes a farnesene polymer or copolymer having the following properties: i) less than 10 weight percent of volatile organic compounds; ii) Mn between 300 Da and 1000 Da; iii) Mw between 400 Da and 3000 Da; iv) Mw/Mn between 1.00 and 3.00; v) Tg between ?50° C. and 20° C.; and vi) viscosity between 400,000 cP and 1,000,000 cP at 25° C. A method of making the farnesene-based polymer or copolymer includes combining a farnesene monomer and a solvent and optionally adding one or more co-monomers selected from dienes, branched mono-olefins, and vinyl aromatics, to provide a monomer feed, and polymerizing the monomer feed by combining it with a Friedel-Crafts initiator in a vessel. The farnesene-based polymer or copolymer tackifier may be combined with one or more elastomers and one or more other tackifiers to form an adhesive composition.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: November 29, 2022
    Assignee: FINA TECHNOLOGY, INC.
    Inventors: Keith A. Nelson, Violeta N. Keefe, Nestor Hansen
  • Patent number: 11514945
    Abstract: A lubricant for a magnetic recording medium capable of forming a lubricant layer having excellent adhesion to a protective layer is provided. A lubricant for a magnetic recording medium contains a fluorine-containing ether compound in which a group having an ethylenic carbon-carbon double bond is disposed at one or both terminals of a perfluoroalkyl polyether chain. It is preferable that the group having the ethylenic carbon-carbon double bond is disposed at one terminal of the perfluoroalkyl polyether chain, and a hydroxyl group is disposed at other terminal. It is preferable that the lubricant for a magnetic recording medium contains a compound in which one or more functional groups selected from a hydroxyl group, an amino group, an amido group and a carboxyl group is disposed at one or both terminals of a perfluoroalkyl polyether chain.
    Type: Grant
    Filed: February 20, 2018
    Date of Patent: November 29, 2022
    Assignee: SHOWA DENKO K.K.
    Inventors: Hiroyuki Tomita, Hiroko Hattori, Naoya Fukumoto, Ryuuta Miyasaka, Naoko Ito, Ichiro Ota, Katsumi Murofushi
  • Patent number: 11505635
    Abstract: A nanoparticle includes a copolymer comprising a vinyl-aromatic monomer and a heterocyclic monomer. The copolymer is crosslinked with a multifunctional crosslinking agent polymerizable through an addition reaction. A nanoparticle and elastomer composition is disclosed. Several methods of mixing heterocyclic and non-heterocyclic monomer nanoparticles into an elastomer are also disclosed. These methods include mixing in a multi-elements static mixer and an intermeshing mixer with venting, among others.
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: November 22, 2022
    Assignee: Bridgestone Corporation
    Inventors: William L. Hergenrother, Waruna C. B. Kiridena, James H. Pawlow, James D. Ulmer, Christopher G. Robertson, Michael C. Davis, Jeffrey D. Quinn
  • Patent number: 11502301
    Abstract: The presently disclosed and/or claimed inventive process(es), procedure(s), method(s), product(s), result(s), and/or concept(s) (collectively hereinafter referred to as the “presently disclosed and/or claimed inventive concept(s)”) relates generally to the composition of a binder for use in battery electrodes and methods of preparing such. More particularly, but not by way of limitation, the presently disclosed and/or claimed inventive concept(s) relates to a binder composition containing an ionizable water soluble polymer and a redispersible powder containing a latex, a protective colloid, and an anticaking agent for use in the production and manufacture of electrodes of a lithium ion battery. Additionally, the presently disclosed and/or claimed inventive concept(s) relates generally to the compositions and methods of making electrodes, both anodes and cathodes, with a binder composition containing an ionizable water soluble polymer and a redispersible powder.
    Type: Grant
    Filed: May 21, 2014
    Date of Patent: November 15, 2022
    Assignee: Hercules LLC
    Inventors: Sung Gun Chu, Alan E Goliaszewski
  • Patent number: 11492479
    Abstract: A polyvinyl chloride-asphaltene composite and a method of making the polyvinyl chloride-asphaltene composite is disclosed. The composite includes a polyvinyl chloride (PVC) polymer in an amount of 90 to 99.5 wt. %, based on a total weight of the polyvinyl chloride-asphaltene composite, and a filler in an amount of 10 wt. % or less, based on a total weight of the polyvinyl chloride-asphaltene composite. The filler is an asphaltene, the asphaltene is the only filler present, and the asphaltene is uniformly dispersed within a matrix of the PVC polymer. The polyvinyl chloride-asphaltene composite of the present disclosure demonstrates enhanced thermal stability and improved mechanical tensile or thermo-mechanical properties.
    Type: Grant
    Filed: May 18, 2022
    Date of Patent: November 8, 2022
    Assignee: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventor: Mohammad Nahid Siddiqu
  • Patent number: 11485854
    Abstract: A thermoplastic resin composition includes: a polycarbonate resin (I); a specific graft copolymer (II); a vinyl copolymer (III); an inorganic filler (IV); and a phosphate ester compound (V). The vinyl-based copolymer (III) has a weight average molecular weight of 110,000 or less. A ratio of a melt flow rate of the vinyl-based copolymer (III) to a melt flow rate of the polycarbonate resin (I) is 7 or more and 12 or less. A blending amount of the phosphoric acid ester-based compound (V) is 1 to 10 parts by weight with respect to 100 parts by weight of a total amount of (I) to (IV).
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: November 1, 2022
    Assignee: Toray Industries, Inc.
    Inventors: Takashi Ueda, Masanori Kobayashi, Daisuke Sato
  • Patent number: 11485874
    Abstract: The present invention is directed to an addition polymer comprising an addition polymer backbone; at least one moiety comprising a phosphorous acid group, the moiety being covalently bonded to the addition polymer backbone by a carbon-carbon bond; and at least one carbamate functional group. The present invention is also directed towards methods of making the addition polymer, aqueous resinous dispersions and electrodepositable coating compositions comprising the addition polymer, methods of coating a substrate and coated substrates.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: November 1, 2022
    Assignee: PRC-DESOTO INTERNATIONAL, INC.
    Inventors: Christopher A. Dacko, Michael A. Mayo, Gregory J. McCollum
  • Patent number: 11479652
    Abstract: A method for forming a graphene-reinforced polymer matrix composite is disclosed. The method includes distributing graphite microparticles into a molten thermoplastic polymer phase; and applying a succession of shear strain events to the molten polymer phase so that the molten polymer phase exfoliates the graphite successively with each event until at least 50% of the graphite is exfoliated to form a distribution in the molten polymer phase of single- and multi-layer graphene nanoparticles less than 50 nanometers thick along the c-axis direction.
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: October 25, 2022
    Assignee: RUTGERS, THE STATE UNIVERSITY OF NEW JERSEY
    Inventors: Thomas J. Nosker, Jennifer K. Lynch-Branzoi, Justin W. Hendrix, Bernard H. Kear, Gordon Chiu, Stephen Tse
  • Patent number: 11466140
    Abstract: A method of producing a thermoplastic resin composition containing a thermoplastic synthetic resin and a cellulose, in which at least one type of the thermoplastic synthetic resin is a resin having a group containing a partial structure of an acid anhydride in the polymer molecule; a molded article of a cellulose-reinforced resin; and a method of producing a molded article of a cellulose-reinforced resin.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: October 11, 2022
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Eiji Kozawa, Takeshi Yagi, Yasuo Nakajima, Jae Kyung Kim
  • Patent number: 11466114
    Abstract: A composition for forming a phase-separated structure contains a block copolymer having a block (b1) consisting of a repeating structure of a styrene unit and a block (b2) consisting of a repeating structure of a methyl methacrylate unit, in which the block (b2) is disposed at least at one terminal portion of the block copolymer, the block copolymer has a structure (e1) represented by General Formula (e1) at least at one main chain terminal, and the structure (e1) is bonded to the main chain terminal of the block (b2) disposed at a terminal portion of the block copolymer. Ree0 represents a hydrocarbon group containing a hetero atom, and Re1 represents a hydrogen atom or a halogen atom.
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: October 11, 2022
    Assignees: TOKYO OHKA KOGYO CO., LTD., NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
    Inventors: Ken Miyagi, Takahiro Dazai, Toshifumi Satoh, Takuya Isono
  • Patent number: 11459425
    Abstract: A composition for preparing a hybrid resin includes: a polymer including a repeating unit derived from allyl glycidyl ether; a thiol-based compound; and a photoinitiator, wherein the thiol-based compound is selected from a first thiol-based compound including a silyl group, a second thiol-based compound including a moiety derived from a photochromic compound, and a combination thereof. A hybrid resin, and a hybrid resin film prepared from the composition are also disclosed.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: October 4, 2022
    Assignees: Samsung Display Co., Ltd., Sogang University Research Foundation
    Inventors: Inseo Kee, Bongjin Moon, Hyoungwook Lee, Nana Kang, Hyunseo Shin