Patents Examined by David J. Buttner
  • Patent number: 11945908
    Abstract: Provided is a polycarbonate-polyorganosiloxane copolymer (A), including: a polycarbonate block (A-1) formed of a repeating unit having a specific structure; and a polyorganosiloxane block (A-2) containing a repeating unit having a specific structure, wherein the polycarbonate-polyorganosiloxane copolymer satisfies the following requirements (1) to (3): (1) the content of the polyorganosiloxane block (A-2) in the polycarbonate-polyorganosiloxane copolymer (A) is from more than 40 mass % to 70 mass % or less; (2) the polycarbonate-polyorganosiloxane copolymer has a viscosity-average molecular weight of from 10,000 or more to 23,000 or less; and (3) the polycarbonate-polyorganosiloxane copolymer includes a specific polycarbonate block as the polycarbonate block (A-1).
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: April 2, 2024
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Kazushige Ideta, Hirotoshi Ishii, Yasuhiro Ishikawa
  • Patent number: 11945941
    Abstract: A resin composition includes 100 parts by weight of a fluorine-containing compound, which includes tetrafluoroethylene homopolymer, perfluoroalkoxy alkane polymer or a combination thereof; 2 parts by weight to 6 parts by weight of a butyral copolymer, which includes a unit of Formula (I), a unit of Formula (II) and a unit of Formula (III), wherein 1 is an integer of 40 to 250, m is an integer of 5 to 380, n is an integer of 55 to 2500, and wherein the butyral copolymer has a content of hydroxyl group of 21 mol % to 80 mol %; and 20 parts by weight to 150 parts by weight of an inorganic filler. The resin composition may achieve improvements in at least one of the following properties of the article made therefrom including dielectric constant, dissipation factor, X-axis coefficient of thermal expansion, weight loss percentage, tensile strength and comparative tracking index.
    Type: Grant
    Filed: April 19, 2022
    Date of Patent: April 2, 2024
    Assignee: ELITE MATERIAL CO., LTD.
    Inventor: Chen-Yu Hsieh
  • Patent number: 11939429
    Abstract: Infrared-transparent polymers, useful for LWIR and/or MWIR transparency, are disclosed. The disclosed infrared-transparent polymers are low-cost, damage-resistant, and economically scalable to commercially relevant substrate areas (1 ft2 and greater). In some disclosed infrared-transparent polymers, the carbon-free polymer backbone contains a plurality of polymer repeat units of the form wherein R1 is selected from the group consisting of alkyls, hydroxyl, amino, urea, thiol, thioether, amino alkyls, carboxylates, metals, metal-containing groups, and deuterated forms or combinations thereof; wherein R2 is (independently from R1) selected from the group consisting of alkyls, hydroxyl, amino, urea, thiol, thioether, amino alkyls, carboxylates, metals, metal-containing groups, and deuterated forms or combinations thereof; wherein n is selected from 2 to about 10,000; and wherein the carbon-free polymer backbone is linear, cyclic, branched, or a combination thereof.
    Type: Grant
    Filed: May 30, 2019
    Date of Patent: March 26, 2024
    Assignee: HRL Laboratories, LLC
    Inventors: Adam F. Gross, Ashley M. Dustin, Andrew P. Nowak, April R. Rodriguez
  • Patent number: 11930818
    Abstract: Techniques regarding star polymers with enhanced antimicrobial functionality are provided. For example, a polymer is provided that can comprise a core that can have a singlet oxygen generator and that can generate a singlet oxygen species upon irradiation with light. The polymer can also comprise a plurality of polycarbonate arms covalently bonded to the core. The plurality of polycarbonate arms can be degradable and can comprise a cation. Further, the plurality of polycarbonate arms can have antimicrobial functionality.
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: March 19, 2024
    Assignees: INTERNATIONAL BUSINESS MACHINES CORPORATION, AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH
    Inventors: Victoria A. Piunova, Noah Frederick Fine Nathel, James L. Hedrick, Yi Yan Yang, Willy Chin, Zhi Xiang Voo
  • Patent number: 11932758
    Abstract: The present invention provides a polyarylate resin composition sufficiently excellent in heat resistance, transparency, heat discoloration resistance and moist heat resistance, and a molded article made of the same. The present invention relates to a polyarylate resin composition containing 0.005˜5 parts by mass of a silane compound (C) with a boiling point of 200° C. or more, based on 100 parts by mass of the total of a polyarylate resin (A) and a polycarbonate resin (B), a content ratio of the polyarylate resin (A) and the polycarbonate resin (B) being 5/95 to 95/5 (mass ratio).
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: March 19, 2024
    Assignee: UNITIKA LTD.
    Inventors: Toshiki Nagahata, Takatoshi Murakami
  • Patent number: 11926735
    Abstract: The invention relates to cyanate ester resin blends containing resveratrol-based cyanate esters. At room temperature, the cyanate ester resin blend offers improved processability by remaining a liquid or forming a solid that melts at less than 70° C. The cyanate ester resin blend includes a resveratrol-based cyanate ester and a flexible cyanate ester having a configuration different than that of the resveratrol-based cyanate ester, where the resveratrol-based cyanate ester is no more than 80% of the total mass of the cyanate esters in the cyanate ester resin blend. A composite product can include the cyanate ester resin blend and a support material. When making the composite product, the support material is combined with the cyanate resin blend and cured at temperatures ranging from about 100° C. to about 300° C.
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: March 12, 2024
    Assignee: The United States of America, as represented by the Secretary of the Navy
    Inventors: Benjamin G. Harvey, Michael D. Garrison
  • Patent number: 11926702
    Abstract: The present disclosure relates to a polyamide block copolymer and a polyamide film including the same. The polyamide block copolymer according to the present disclosure makes it possible to provide a polyamide film exhibiting excellent mechanical properties while being colorless and transparent.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: March 12, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Bi Oh Ryu, Soonyong Park, Youngseok Park, Kwanyeol Paek, Young Ji Tae, Il Hwan Choi
  • Patent number: 11926717
    Abstract: Polymer matrix composite comprising a porous polymeric network; and a plurality of thermally insulating particles distributed within the polymeric network structure, wherein the thermally insulating particles are present in a range from 15 to 99 weight percent, based on the total weight of the thermally insulating particles and the polymer (excluding the solvent); and wherein the polymer matrix composite has a density not greater than 3 g/cm3; and methods for making the same. The polymer matrix composites are useful, for example, in electronic devices.
    Type: Grant
    Filed: October 8, 2020
    Date of Patent: March 12, 2024
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Derek J. Dehn, Clinton P. Waller, Jr., Bharat R. Acharya
  • Patent number: 11924979
    Abstract: A resin composition that has both excellent flux activity and high insulation reliability, that possesses good storage stability, and that further has flexibility with good operability upon being used as a laminate is provided. The resin composition contains a chelating flux agent (A), a thermal radical polymerization initiator (B) and a radical polymerizable compound (C).
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: March 5, 2024
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Masashi Okaniwa, Takenori Takiguchi, Kohei Higashiguchi, Tsuyoshi Kida
  • Patent number: 11919850
    Abstract: Provided is a compound that can be used for a resin for a resist having excellent sensitivity, resolution, and etching resistance, or the like, by a compound represented by the following formula (1): (wherein R1 represents a hydrogen atom or a methyl group, R2 represents an aliphatic hydrocarbon group having 1 to 6 carbon atoms, m represents an integer of 0 to 5, and n represents an integer of 0 to 4).
    Type: Grant
    Filed: February 20, 2019
    Date of Patent: March 5, 2024
    Assignee: Maruzen Petrochemical Co., Ltd.
    Inventors: Satoshi Kakuta, Hiromitsu Baba, Teruyo Ikeda, Ryo Fujisawa, Kazuhiko Haba
  • Patent number: 11912865
    Abstract: The present invention relates to a thermoplastic composition comprising at least one aromatic polycarbonate, talc, at least one anhydride-modified alpha-olefin polymer, at least one organic flame retardant selected from: fluoropolymer-containing anti-drip agents, fluorinated sulfonic acid salts, organic phosphoric acid esters, phosphazenes or mixtures of at least two of the abovementioned agents and barium sulfate. The invention further relates to a production process for such a composition and to a molded article producible from this composition. The composition contains barium sulfate in an amount of ?3% by weight based on the total weight of the composition. ?5% by weight is preferred.
    Type: Grant
    Filed: April 9, 2020
    Date of Patent: February 27, 2024
    Assignee: Covestro Intellectual Property GmbH & Co. KG
    Inventors: Christopher Schirwitz, Tim Hungerland, Tanja Grueter-Reetz, Helmut Kruells
  • Patent number: 11912864
    Abstract: Thermoplastic compositions include: (a) from about 20 wt % to about 50 wt % post-consumer recycled polycarbonate (PCR-PC); (b) from about 5 wt % to about 25 wt % of a filler component; (c) from about 4 wt % to about 7 wt % of a phosphazene component; (d) from about 20 wt % to about 65 wt % of a polycarbonate copolymer component; and (e) from about 1 wt % to about 20 wt % one or more additional components. The polycarbonate copolymer component includes bisphenol-A and a monomer comprising one or more of 3,3-Bis(4-hydroxyphenyl)-2-phenyl-2,3-dihydro-isoindol-1-one (PPPBP), 4-4-(3-3-5 trimethylcyclohexane-1-ldiyl)diphenol (BPI), 4,4?-(1-Methyl Ethyl) 1-3-cyclohexandiyl) Bis-Phenol (BHPM), 1,1-Bis(4-hydroxy-3-methyl phenyl) cyclohexane (DMBPC); 4-[1-(4-hydroxyphenyl)cyclododecyl]phenol (Red Cross), bisphenol based on cyclooctadiene, bisphenol based on isophorone nitrile, and combinations thereof.
    Type: Grant
    Filed: January 17, 2020
    Date of Patent: February 27, 2024
    Assignee: SHPP Global Technologies B.V.
    Inventors: Christopher Ryan Ziegler, Peter Vollenberg
  • Patent number: 11912825
    Abstract: Disclosed are compositions derived from 2,2?bisimidazoles building blocks and methods of making the same. The disclosed compositions are capable of withstanding temperatures up to 600° C. and substantially flame resistant.
    Type: Grant
    Filed: January 21, 2021
    Date of Patent: February 27, 2024
    Assignee: The Board of Trustees of The University of Alabama
    Inventors: Jason E. Bara, Kathryn E. O'Harra, Irshad Kammakakam
  • Patent number: 11905369
    Abstract: The present invention relates to a strong base-initiated N-carboxyanhydride rapid ring-opening polymerisation method. Specifically, the method comprises steps of: performing a polymerisation reaction with one or more amino acid N-carboxyanhydride monomers in an organic solvent in the presence of an initiator, so as to form an amino acid polymer, wherein the initiator is selected from the following group: LiHMDS, NaHMDS, KHMDS, or a combination thereof. The method significantly increases the speed of traditional NCA polymerisation and prepares a long-chain polymer, and the prepared amino acid polymer may be used as an anti-bacterial material, an anti-tumour material, a tissue engineering scaffold or a self-assembling material.
    Type: Grant
    Filed: June 13, 2019
    Date of Patent: February 20, 2024
    Assignee: East China University of Science and Technology
    Inventors: Runhui Liu, Yueming Wu
  • Patent number: 11891509
    Abstract: The polycarbonate resin composition according to the present invention includes: 50 to 90% by mass of polycarbonate resin (A); 2.0 to 20% by mass of olefin polymer (B); 5 to 40% by mass of basic magnesium sulfate (C) selected from fibrous basic magnesium sulfate (C-1) and fan-shaped basic magnesium sulfate (C-2); 0.1 to 8% by mass of at least one (D) selected from a fatty acid metal salt and a fatty acid; and 1 to 20% by mass of elastomer (E).
    Type: Grant
    Filed: December 25, 2019
    Date of Patent: February 6, 2024
    Assignees: UBE MATERIAL INDUSTRIES, LTD., NATIONAL UNIVERSITY CORPORATION YAMAGATA UNIVERSITY
    Inventors: Tetsuo Takayama, Yuzo Kato, Toru Inagaki
  • Patent number: 11884822
    Abstract: A foamable poly carbonate composition comprising 5 to 95 wt % of a poly(siloxane) block copolymer comprising a poly(carbonate-siloxane) comprising 50 to 99 wt % of bisphenol A carbonate units and 1 to 50 wt % of dimethylsiloxane units, each based on the weight of the poly(carbonate-siloxane), a poly(ester-carbonate-siloxane) comprising bisphenol A carbonate units, isophthalate-terephthalate-bisphenol A ester units, and 5 to 200 dimethyl siloxane units, or a combination thereof; 5 to 95 wt % of an auxiliary component comprising a poly(alkylene ester), a poly(ester-carbonate), or a combination thereof, and optionally, a homopolycarbonate; optionally, up to 10 wt % of an additive composition, wherein the composition has a glass transition temperature of 140° C. and below measured using differential scanning calorimetry, and wherein a foamed sample of the composition has an average cell size of 10 nanometers to 20 micrometers.
    Type: Grant
    Filed: August 31, 2020
    Date of Patent: January 30, 2024
    Assignee: SHPP GLOBAL TECHNOLOGIES B.V.
    Inventors: Bart Vandormael, Arno C. Hagenaars, Johannes Gerardus Petrus Goossens, Johannes De Brouwer, Pieter Jan Antoon Janssen
  • Patent number: 11879035
    Abstract: The present invention relates to an aromatic polycarbonate obtained via the melt transesterification of a diaryl carbonate, a bisphenol and an endcapping agent selected from paracumyl phenol, dicumyl phenol, p-tert-butyl phenol and mixtures of at least two of said endcapping agents, said polycarbonate having a melt volume rate of at least 20 cm3/10 min (ISO 1133, 300° C., 1.2 kg), a terminal hydroxyl group content of at most 800 ppm by weight, a Fries branching content of at most 1300 ppm by weight and a content of bulky end groups of at least 20 mol % defined as the sum of the mol % of end-groups based on said bisphenol and the mol % of end-groups based on said endcapping agent.
    Type: Grant
    Filed: September 12, 2019
    Date of Patent: January 23, 2024
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Ignacio Vic Fernandez, David Del Agua Hernandez, Helena Varela Rizo
  • Patent number: 11873375
    Abstract: A reinforced polycarbonate composition includes 30-60 wt % of a homopolycarbonate; 5-30 wt % of a poly(carbonate-siloxane); 10-40 wt % of a high heat polycarbonate having a glass transition temperature of 170° C. or higher determined per ASTM D3418 with a 20° C./min heating rate; 1-10 wt % of a phosphorous-containing flame retardant present in amount effective to provide 0.1-1.5 wt % phosphorous; 0.01-0.5 wt % of an anti-drip agent; 5-30 wt % of a reinforcing fiber; and optionally, up to 10 wt % of an additive composition, wherein each amount is based on the total weight of the reinforced polycarbonate composition, which sums to 100 wt %. A molded sample of the polycarbonate composition has a heat deflection temperature greater than 115° C., preferably greater than 125° C., more preferably greater than 130° C., or a flame test rating of V1, preferably V0 as measured according to UL-94 at a thickness of 0.8 millimeter, or at a thickness of 0.6 mm, or at a thickness of 0.4 mm.
    Type: Grant
    Filed: June 25, 2020
    Date of Patent: January 16, 2024
    Assignee: SHPP GLOBAL TECHNOLOGIES B.V.
    Inventors: Erik Schwartz, Sascha Jan ter Horst, Mark Adrianus Johannes van der Mee, Johannes Martinus Dina Goossens, Robert Dirk van de Grampel, Tony Farrell
  • Patent number: 11872451
    Abstract: An object of the present invention is to provide a golf ball having excellent spin performance on approach shots under a wet condition and excellent spin performance on approach shots under a condition that there is grass between the golf ball and the dub face.
    Type: Grant
    Filed: October 20, 2021
    Date of Patent: January 16, 2024
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Kuniyasu Horiuchi, Toshiyuki Tarao, Hidetaka Inoue, Kazuya Kamino
  • Patent number: 11873416
    Abstract: An object of the present invention is to provide a golf ball having excellent spin performance on approach shots under a wet condition and excellent spin performance on approach shots under a condition that there is grass between the golf ball and the club face. The present invention provides a golf ball comprising a golf ball body and a paint film composed of at least one layer and formed on a surface of the golf ball body, wherein an outermost layer of the paint film located at the outermost layer of the golf ball contains a base resin and a porous filler, the base resin contains a polyurethane obtained by a reaction between a polyisocyanate composition and a polyol composition, and the porous filler contains SiO2 in an amount of 50 mass % or more as a constituent component.
    Type: Grant
    Filed: October 20, 2021
    Date of Patent: January 16, 2024
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Kuniyasu Horiuchi, Toshiyuki Tarao, Kazuya Kamino, Hidetaka Inoue