Patents Examined by David J. Buttner
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Patent number: 11965057Abstract: As a thermoplastic resin used as a matrix resin for a fiber-reinforced composite material, a thermoplastic resin having a high glass transition temperature in spite of having a low resin viscosity during molding is provided. Provided are a two-liquid curable composition for forming a thermoplastic matrix resin, the two-liquid curable composition containing an active hydrogen component containing an alkylthio group-containing aromatic diamine (A) and a diisocyanate component containing at least one kind of diisocyanate (B) selected from the group consisting of aliphatic diisocyanates, alicyclic diisocyanates, and modified forms of aliphatic diisocyanates and alicyclic diisocyanates, a matrix resin for a fiber-reinforced composite material, the matrix resin being a thermoplastic resin containing a reaction product of the active hydrogen component and the diisocyanate component, and a fiber-reinforced composite material containing the matrix resin and reinforcing fiber.Type: GrantFiled: April 9, 2019Date of Patent: April 23, 2024Assignee: DAI-ICHI KOGYO SEIYAKU CO., LTD.Inventors: Yoshinori Yamada, Takuma Nishimura, Kei Oikawa
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Patent number: 11945908Abstract: 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: GrantFiled: December 27, 2018Date of Patent: April 2, 2024Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Kazushige Ideta, Hirotoshi Ishii, Yasuhiro Ishikawa
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Patent number: 11945941Abstract: 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: GrantFiled: April 19, 2022Date of Patent: April 2, 2024Assignee: ELITE MATERIAL CO., LTD.Inventor: Chen-Yu Hsieh
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Patent number: 11939429Abstract: 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: GrantFiled: May 30, 2019Date of Patent: March 26, 2024Assignee: HRL Laboratories, LLCInventors: Adam F. Gross, Ashley M. Dustin, Andrew P. Nowak, April R. Rodriguez
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Patent number: 11930818Abstract: 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: GrantFiled: January 9, 2020Date of Patent: March 19, 2024Assignees: INTERNATIONAL BUSINESS MACHINES CORPORATION, AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCHInventors: Victoria A. Piunova, Noah Frederick Fine Nathel, James L. Hedrick, Yi Yan Yang, Willy Chin, Zhi Xiang Voo
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Patent number: 11932758Abstract: 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: GrantFiled: February 12, 2020Date of Patent: March 19, 2024Assignee: UNITIKA LTD.Inventors: Toshiki Nagahata, Takatoshi Murakami
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Patent number: 11926735Abstract: 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: GrantFiled: November 10, 2021Date of Patent: March 12, 2024Assignee: The United States of America, as represented by the Secretary of the NavyInventors: Benjamin G. Harvey, Michael D. Garrison
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Patent number: 11926702Abstract: 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: GrantFiled: April 2, 2019Date of Patent: March 12, 2024Assignee: LG CHEM, LTD.Inventors: Bi Oh Ryu, Soonyong Park, Youngseok Park, Kwanyeol Paek, Young Ji Tae, Il Hwan Choi
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Patent number: 11926717Abstract: 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: GrantFiled: October 8, 2020Date of Patent: March 12, 2024Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Derek J. Dehn, Clinton P. Waller, Jr., Bharat R. Acharya
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Patent number: 11924979Abstract: 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: GrantFiled: April 24, 2019Date of Patent: March 5, 2024Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.Inventors: Masashi Okaniwa, Takenori Takiguchi, Kohei Higashiguchi, Tsuyoshi Kida
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Patent number: 11919850Abstract: 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: GrantFiled: February 20, 2019Date of Patent: March 5, 2024Assignee: Maruzen Petrochemical Co., Ltd.Inventors: Satoshi Kakuta, Hiromitsu Baba, Teruyo Ikeda, Ryo Fujisawa, Kazuhiko Haba
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Patent number: 11912864Abstract: 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: GrantFiled: January 17, 2020Date of Patent: February 27, 2024Assignee: SHPP Global Technologies B.V.Inventors: Christopher Ryan Ziegler, Peter Vollenberg
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Patent number: 11912865Abstract: 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: GrantFiled: April 9, 2020Date of Patent: February 27, 2024Assignee: Covestro Intellectual Property GmbH & Co. KGInventors: Christopher Schirwitz, Tim Hungerland, Tanja Grueter-Reetz, Helmut Kruells
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Patent number: 11912825Abstract: 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: GrantFiled: January 21, 2021Date of Patent: February 27, 2024Assignee: The Board of Trustees of The University of AlabamaInventors: Jason E. Bara, Kathryn E. O'Harra, Irshad Kammakakam
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Patent number: 11905369Abstract: 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: GrantFiled: June 13, 2019Date of Patent: February 20, 2024Assignee: East China University of Science and TechnologyInventors: Runhui Liu, Yueming Wu
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Patent number: 11891509Abstract: 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: GrantFiled: December 25, 2019Date of Patent: February 6, 2024Assignees: UBE MATERIAL INDUSTRIES, LTD., NATIONAL UNIVERSITY CORPORATION YAMAGATA UNIVERSITYInventors: Tetsuo Takayama, Yuzo Kato, Toru Inagaki
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Patent number: 11884822Abstract: 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: GrantFiled: August 31, 2020Date of Patent: January 30, 2024Assignee: SHPP GLOBAL TECHNOLOGIES B.V.Inventors: Bart Vandormael, Arno C. Hagenaars, Johannes Gerardus Petrus Goossens, Johannes De Brouwer, Pieter Jan Antoon Janssen
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Patent number: 11879035Abstract: 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: GrantFiled: September 12, 2019Date of Patent: January 23, 2024Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Ignacio Vic Fernandez, David Del Agua Hernandez, Helena Varela Rizo
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Patent number: 11872451Abstract: 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: GrantFiled: October 20, 2021Date of Patent: January 16, 2024Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Kuniyasu Horiuchi, Toshiyuki Tarao, Hidetaka Inoue, Kazuya Kamino
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Patent number: 11873375Abstract: 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: GrantFiled: June 25, 2020Date of Patent: January 16, 2024Assignee: 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