Patents Examined by Tri V. Nguyen
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Patent number: 11827778Abstract: A composition including: a PF polymer including units derived from vinylidene fluoride; and a PA polymer including units derived from a (meth)acrylic monomer and units including at least one associative group chosen among imidazolidonyl, triazolyl, triazinyl, bis-ureyl and ureido-pyrimidyl groups; in solution in a solvent. Also, the use of this composition for the production of electronic devices.Type: GrantFiled: June 13, 2018Date of Patent: November 28, 2023Assignee: ARKEMA FRANCEInventors: Marie-France Delamotte, Stéphane Dornier, Manuel Hidalgo, Thibaut Soulestin
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Patent number: 11827866Abstract: The invention relates to the stabilization during storage of enzymes comprised in liquid detergent compositions.Type: GrantFiled: February 12, 2020Date of Patent: November 28, 2023Assignee: Novozymes A/SInventor: Kim Bruno Andersen
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Patent number: 11818942Abstract: Liquid formulation comprising a solute for fabricating an electronic device and a partially or fully deuterated solvent is disclosed. The liquid formulation can be used in the solution process of electronic devices, and can greatly enhance the device performance of solution processed OLEDs, especially lifetime. Also disclosed is a method of making an electronic device.Type: GrantFiled: December 7, 2020Date of Patent: November 14, 2023Assignee: BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.Inventor: Chuanjun Xia
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Patent number: 11817232Abstract: An electrically conductive, flexible, strain resilient product is produced by mixing metal coated carbon nanotube networks with a liquid polymeric resin to produce a liquid mixture, and the mixture is cured to produce the product. The networks may include welded junctions between nanotubes formed by depositing and melting metal nanoparticles on the nanotubes to form the metal coating. After the mixing step the liquid mixture may be deposited on a flexible substrate in the form of an electrical circuit. The mixing step may further include mixing the composite with a volatile solvent to produce a selected viscosity. Then, a three-dimensional printer may be used to print the product, such as an electrical circuit, on a substrate. The product is cured in an atmosphere that absorbs the solvent. The conductivity of the mixture may be adjusted by adjusting the weight percentage of the metal coated carbon nanotube networks from 50% to 90%, but a preferred range is between 75% and 85%.Type: GrantFiled: March 15, 2022Date of Patent: November 14, 2023Assignee: United States of America as represented by the Secretary of the Air ForceInventors: Sabyasachi Ganguli, Ajit K Roy, Chenggang Chen
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Patent number: 11795336Abstract: This oil-based ink composition for writing implements contains a colorant, a resin, an organic solvent, and fluorine-based resin particles, the average particle size of the fluorine-based resin particles being at least 0.1 ?m and less than 1.0 ?m when measured by a dynamic light scattering method.Type: GrantFiled: March 12, 2018Date of Patent: October 24, 2023Assignee: Mitsubishi Pencil Company, LimitedInventor: Yumiko Haruhara
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Patent number: 11780731Abstract: The present disclosure relates to a carbon nanotube wire includes a carbon nanotube aggregate constituted of a plurality of carbon nanotubes. In the plurality of carbon nanotubes, a mean length of the plurality of carbon nanotubes is not larger than 150 ?m, a CV value of the mean length is not smaller than 0.40, a mean diameter of the plurality of carbon nanotubes is smaller than 4 nm, a CV value of the mean diameter is not smaller than 0.18, and a proportion of carbon nanotubes with lengths not smaller than 3 ?m is not less than 60%.Type: GrantFiled: September 29, 2020Date of Patent: October 10, 2023Assignee: Furukawa Electric Co., Ltd.Inventor: Sawa Sakai
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Patent number: 11773014Abstract: In some implementations, a carbon-containing glass material includes a surface-to-air interface and an interphase region extending from the surface-to-air interface along a direction to a depth within the carbon-containing glass material. The surface-to-air interface may be exposed to ambient air, and the interphase region may include a plurality of few layer graphene (FLG) nanoplatelets formed in response to recombination and/or self-nucleation of a plurality of carbon-containing radicals implanted within the interphase region. The FLG nanoplatelets have a non-periodic orientation configured to at least partially inhibit formation or propagation of microcracks and/or micro-voids in the carbon-containing glass material.Type: GrantFiled: December 30, 2020Date of Patent: October 3, 2023Assignee: Lyten, Inc.Inventors: Michael W. Stowell, Bruce Lanning
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Patent number: 11767439Abstract: Cellulose-based composite material comprising an electrically conductive material dispersed in a matrix comprising at least one plant-derived protein and a polymer of aleuritic acid, said composite material being obtainable by a process comprising the steps of dissolving at least one plant-derived protein and aleuritic acid in a dissolving solution to achieve a first mixture, dispersing an electrically conductive material in said first mixture to achieve a conductive ink, distributing said conductive ink on at least one side of a cellulose substrate to achieve a coated cellulose substrate, hot-pressing said coated cellulose substrate to obtain i) impregnation of the cellulose substrate with said conductive ink and ii) polymerization of aleuritic acid.Type: GrantFiled: July 19, 2019Date of Patent: September 26, 2023Assignee: Fondazione Istituto Italiano di TecnologiaInventors: Ilker S. Bayer, Pietro Cataldi, Athanasia Athanasiou
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Patent number: 11760639Abstract: A method of exfoliating layered, shearable material is described. Examples are provided including exfoliation of graphite to form graphene nanoplatelets. Also described is a machine for preparing nanoplatelets that includes a chamber whose volume can be increased by pressure exerted by the exfoliated product. Composites of graphene nanoplatelets and polyamide exhibited improved flexural modulus compared to that of graphite composites while impact strength was unaffected.Type: GrantFiled: February 4, 2019Date of Patent: September 19, 2023Assignee: Queen's University at KingstonInventors: Osayuki Osazuwa, Marianna Kontopoulou
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Patent number: 11760895Abstract: In the present invention, a conductive film having low resistance is formed on a substrate, said film having excellent storage stability and high dispersion stability as an ink. A copper oxide ink (1) contains a copper oxide (2), a dispersant (3), and a reducing agent. The content of the reducing agent is in the range of formula (1), and the content of the dispersant is in the range of formula (2). (1) 0.00010?(reducing agent mass/copper oxide mass)?0.10 (2) 0.0050?(dispersant mass/copper oxide mass)?0.30 The reducing agent content promotes the reduction of copper oxide to copper during firing, and promotes the sintering of copper.Type: GrantFiled: July 27, 2018Date of Patent: September 19, 2023Assignee: Asahi Kasei Kabushiki KaishaInventors: Masanori Tsuruta, Toru Yumoto
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Patent number: 11763968Abstract: A polymeric positive temperature coefficient (PPTC) device including a PPTC body, a first electrode disposed on a first side of the PPTC body, and a second electrode disposed on a second side of the PPTC body, wherein the PPTC body is formed of a PPTC material that includes a polymer matrix and a conductive filler, wherein the conductive filler defines 20%-39% by volume of the PPTC material.Type: GrantFiled: October 9, 2020Date of Patent: September 19, 2023Assignee: Littelfuse, Inc.Inventors: Jianhua Chen, Chun Kwan Tsang
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Patent number: 11753491Abstract: A low-reflectivity black film according includes porous black pigment having a porosity of 50% or larger and a binder component at a volume ratio of 50:50-100:0, in which, with regard to surface roughness parameters Rt and Ra, Rt is 0.15-5 ?m and Ra is 0.01-0.5 ?m, an L* value is equal to or smaller than 20, and in a range of 400-700 nm, the maximum value of regular reflectivity is equal to or smaller than 0.8%, the maximum value of scattering reflectivity is equal to or smaller than 2%, and the maximum value of light transmittance is equal to or smaller than 5%.Type: GrantFiled: December 6, 2018Date of Patent: September 12, 2023Assignees: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTDInventor: Naohiro Tanaka
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Patent number: 11753303Abstract: A carbon nanotube array constituted by large numbers of carbon nanotubes vertically aligned on a substrate is produced by supplying a carbon source gas into a reaction vessel having a hydrogen gas atmosphere, in which a substrate on which a reaction catalyst comprising fine metal particles is formed is placed; forming large numbers of vertically aligned carbon nanotubes on the substrate by keeping a reaction temperature of 500-1100° C. for 0.5-30 minutes; and heat-treating the carbon nanotubes by stopping the supply of the carbon source gas and keeping 400-1100° C. for 0.5-180 minutes in a non-oxidizing atmosphere.Type: GrantFiled: March 22, 2019Date of Patent: September 12, 2023Assignee: SUGITA DENSEN CO., LTD.Inventors: Kenta Naka, Toru Iijima, Yuichi Sunaga, Akikazu Sugita, Shuji Tsuruoka
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Patent number: 11745189Abstract: A nanocarbon separation device includes a separation tank that is configured to accommodate a dispersion liquid including nanocarbons, a first electrode provided at an upper part in the separation tank, a second electrode provided at a lower part in the separation tank, an evaluation unit that is configured to evaluate a physical state or a chemical state of the dispersion liquid, and a determination unit that is configured to determine a separation state between metallic nanocarbons and semiconducting nanocarbons included in the dispersion liquid from the physical state or the chemical state.Type: GrantFiled: October 26, 2017Date of Patent: September 5, 2023Assignee: NEC CORPORATIONInventor: Kazuki Ihara
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Patent number: 11739228Abstract: The present invention relates to a graphene ink composition including charged chemically modified graphene, a graphene flake, a binder and a solvent, wherein an absolute value of the zeta potential of the charged chemically modified graphene is 25 mV or more.Type: GrantFiled: May 14, 2019Date of Patent: August 29, 2023Assignee: UDUCK Advanced MaterialsInventors: Myeong Gi Kim, Seongmin Chin, Sung Min Hong
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Patent number: 11735705Abstract: Methods of making single walled carbon nanotubes (SWNTs) including a single step for preparing a homogeneous dispersion of SWNTs in a battery electrode powder. The method may comprise providing a reactor in fluid communication with a mixer, wherein an aerosol containing SWNTs is transmitted from the reactor directly to the mixer containing a battery electrode powder.Type: GrantFiled: December 14, 2020Date of Patent: August 22, 2023Assignees: HONDA MOTOR CO., LTD., NANOSYNTHESIS PLUS, LTD.Inventors: Avetik Harutyunyan, Neal Pierce, Elena Mora Pigos
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Patent number: 11732119Abstract: A semiconductive composite material consisting essentially of a polar organic copolymer and an electrical conducting effective amount of an ultra-low-wettability carbon black. Also a method of making the composite material; a crosslinked polyethylene product made by curing the composite material; manufactured articles comprising a shaped form of the inventive composite material or product; and methods of using the inventive composite material, product, or articles.Type: GrantFiled: March 22, 2019Date of Patent: August 22, 2023Assignees: DOW GLOBAL TECHNOLOGIES LLC, ROHM AND HAAS COMPANYInventors: Tian Lan, Xindi Yu, Michael Q. Tran, Paul J. Brigandi, Jeffrey M. Cogen, Timothy J. Person, Yichi Zhang
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Patent number: 11735331Abstract: Various embodiments include an insulation material for an electrical rotating machine comprising: a curable matrix material; a curing agent; and a filler embedded in the matrix material. The filler comprises electrically conductive doped metal oxide particles.Type: GrantFiled: September 18, 2018Date of Patent: August 22, 2023Assignee: SIEMENS AKTIENGESELLSCHAFTInventors: Steffen Lang, Niels Müller, Bastian Plochmann
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Patent number: 11717989Abstract: Preparing hybrid-treated plastic particles from waste plastic includes combining waste plastic particles with bio-oil to yield a mixture, irradiating the mixture with microwave radiation to yield oil-treated plastic particles, and contacting the oil-treated plastic particles with carbon-containing nanoparticles to yield hybrid-treated plastic particles. The hybrid-treated plastic particles have a bio-oil modified surface and a coating comprising carbon-containing nanoparticles on the bio-oil modified surface of the plastic particle. In some examples, a diameter of the plastic particle is in a range between 250 m and 750 m, and a thickness of the coating is in a range of 1 nm to 20 nm. A modified binder includes an asphalt binder or a concrete binder and a multiplicity of the treated plastic particles. The modified binder typically includes 5 wt % to 25 wt % of the hybrid-treated plastic particles.Type: GrantFiled: November 12, 2020Date of Patent: August 8, 2023Assignee: Arizona Board of Regents on behalf of Arizona State UniversityInventors: Elham Fini, Sk Faisal Kabir
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Patent number: 11712871Abstract: A method of fabricating a panel includes laying up a first laminate on a tooling surface, laying a first layer of thermoplastic on an inner surface of the first laminate, laying a large cell carbon core on the first layer of thermoplastic, laying a second layer of thermoplastic across the large cell carbon core, laying a second laminate on the second layer of thermoplastic, creating a sealed core pocket by bonding the edges of the first and second layers of the thermoplastic surrounding a perimeter of the core, increasing pressure within the core pocket, increasing pressure on the outer surface of the second laminate, heating the panel to a desired curing temperature, and maintaining the increased pressures and temperature for a desired curing duration.Type: GrantFiled: December 1, 2020Date of Patent: August 1, 2023Assignee: Textron Innovations Inc.Inventors: James Everett Kooiman, David Carlson, Douglas K. Wolfe, Jonathan Alexander Freeman