Patents Examined by K. Boyle
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Patent number: 11976177Abstract: A polymer composition for producing gel extruded articles is described. The polymer composition contains polyethylene particles combined with a plasticizer and one or more strength enhancing additives. Polymer articles made in accordance with the present disclosure have enhanced strength properties. In one embodiment, the polymer composition is used to form a porous membrane for use as a separator in electronic devices.Type: GrantFiled: June 30, 2021Date of Patent: May 7, 2024Assignee: CELANESE INTERNATIONAL CORPORATIONInventors: Christian Ohm, Fangfang Tao, Man Cheng Li
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Patent number: 11965084Abstract: A method for producing a polypropylene-based resin foamed molded article by blow molding a foamed parison formed of a base resin, in which: the base resin contains, in specific mixing proportions, a branched polypropylene-based resin (A), a linear polypropylene-based resin (B) and a recovered raw material (C) that is recovered in the course of production of the polypropylene-based resin foamed molded article. Each of the resin (A), resin (B) and the recovered raw material (C), has a specific range of a melt tension and a melt flow rate. A difference in melting point between the resin (A) and resin (B) is within a specific range. A difference in crystallization temperature between the resin (A) and resin (B) is within a specific range.Type: GrantFiled: September 21, 2018Date of Patent: April 23, 2024Assignee: JSP CORPORATIONInventors: Masahiro Gomibuchi, Jinichiro Noro
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Patent number: 11959162Abstract: An object to be achieved by the present invention is to provide a gas barrier film having excellent acid resistance, transparency, and gas barrier properties. The gas barrier laminated body of the present invention is a laminate, in which an inorganic thin-film layer is laminated onto at least one of surfaces of a polymer substrate, and the inorganic thin-film layer mainly contains Al and Si, and a ratio of an Al content amount between before and after treatment of immersing the laminate into aqueous solution of hydrochloric acid that has concentration of 1 mol/L for one hour satisfies a formula of (Al Content Amount After Treatment)/(Al Content Amount Before Treatment)×100?75.Type: GrantFiled: July 26, 2018Date of Patent: April 16, 2024Assignee: TOYOBO CO., LTD.Inventors: Mitsuhiro Kashiwa, Yukihiro Numata, Kiyoshi Iseki
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Patent number: 11952441Abstract: A method for producing polytetrafluoroethylene, which includes polymerizing tetrafluoroethylene in an aqueous medium in the presence of a nucleating agent and a hydrocarbon anionic surfactant to obtain polytetrafluoroethylene. A total amount of the nucleating agent and the hydrocarbon anionic surfactant at the initiation of polymerization is more than 50 ppm based on the aqueous medium.Type: GrantFiled: October 3, 2019Date of Patent: April 9, 2024Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Taketo Kato, Yohei Fujimoto, Kenji Ichikawa, Hiroyuki Sato, Yoshinori Nanba, Hirotoshi Yoshida, Kengo Ito, Chiaki Okui, Masamichi Sukegawa, Taku Yamanaka
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Patent number: 11952719Abstract: A foldable paper-based substrate coated with primer coat and top coat. Primer coat includes a wax-free aqueous dispersion wherein a dry film thereof has a flexibility of at least 1100% for a film thickness from about 1.0 to about 2.5 mm. Top coat is blocking resistant and includes an aqueous dispersion of a polymer providing water resistance, grease or oil resistance, heat resistance, odor barrier, moisture barrier and/or heat sealability to the paper-based product. The top coat aqueous dispersion is characterized in that a dry film thereof has a flexibility of at least 570% for a film thickness from about 1.5 to about 2.5 mm. A process for preparing the coated foldable paper-based substrate includes applying the primer coat to the surface of the paper-based substrate, applying the top coat and drying the coats. The primer coat may be dried before application of the top coat.Type: GrantFiled: October 1, 2020Date of Patent: April 9, 2024Assignee: Cascades Sonoco Inc.Inventor: Yvon Mongrain
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Patent number: 11939445Abstract: A masterbatch composition suitable for use as a flame retardant in extruded polymer foams, and process for manufacturing the same, and extruded foams containing same; the composition comprising: (a) 20 to 40 parts by weight base resin comprising styrene homopolymer or copolymer; (b) 1 to 16 parts by weight acid scavenger comprising an epoxy-based compound; (c) 2 to 6 parts by weight antioxidant comprising an alkyl or aryl phosphite; and (d) 45 to 60 parts by weight flame retardant comprising a non-hexabromocyclododecane (HBCD) brominated polymer or copolymer, wherein the amounts of (a), (b), (c), and (d) total 100 parts by weight; and (e) 0.6 to 10 parts by weight of pH moderator, based on 100 parts of (a) base resin plus (e) water soluble pH moderator.Type: GrantFiled: November 1, 2021Date of Patent: March 26, 2024Assignee: DDP SPECIALTY ELECTRONIC MATERIALS US, LLCInventors: Wenyi Huang, Shari Kram, Mark Rickard, Ravi B Shankar
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Patent number: 11939423Abstract: A breathable biodegradable volatile corrosion inhibitor polyester composition comprises one or more biodegradable homopolymer polyesters and/or one or more biodegradable random copolymer polyesters, one or more volatile corrosion inhibitors (VCI), and one or more fillers wherein said composition has a higher water-vapor transmission rate than polyethylene.Type: GrantFiled: June 30, 2020Date of Patent: March 26, 2024Assignee: Northern Technologies International CorporationInventors: Mahin Shahlari, Ik-Hau Ng
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Patent number: 11926754Abstract: Provided is a coating film having excellent durability and wear resistance, and utility as mold surface release coating. The coating film has excellent releasability (non-adhesiveness) over a long period of time. Further provided is a coating composition capable of forming such a coating film, the coating composition containing a fluoropolymer and an oil that is a liquid at 25° C., wherein the decomposition temperature of the oil is higher than the melting point of the fluoropolymer.Type: GrantFiled: May 20, 2019Date of Patent: March 12, 2024Assignees: THE CHEMOURS COMPANY FC, LLC, CHEMOURS-MITSUI FLUOROPRODUCTS CO., LTD.Inventors: Hoai-Nam Pham, Daisaku Shinohara, Takumi Terao, Akihiro Matsui
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Patent number: 11920033Abstract: A thermoset non-isocyanate polyurethane foam (NIPU) composition includes a reaction product of a polycyclic carbonate, a polyamine; and a foaming ingredient including a carbonate-based chemical foaming agent. The reaction product is configured to form a urethane bond. The polycyclic carbonate and the polyamine can be bio-derived. A process for making the NIPU foam includes the steps of: (a) selecting a polycyclic carbonate and a polyamine; (b) mixing the polycyclic carbonate and the polyamine to form a reactant product including a partially cured gel matrix; (c) adding a foaming ingredient comprising a blowing agent including a carbonate; (d) curing the mixture to form the NIPU foam. Optionally, a first catalyst can be added to step (b); and additional foaming ingredients selected from the group consisting of an accelerant, a surfactant, and a combination thereof can be added prior to step (d).Type: GrantFiled: October 16, 2020Date of Patent: March 5, 2024Assignee: 62911255Inventors: Mark Ashton Zeller, Patrick Lewis Carter
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Patent number: 11912841Abstract: The disclosure relates to the technical field of new foaming materials, in particular to a preparation method of a microporous foam material with oriented cells, which comprises the following steps: (1) melting and mixing raw materials for preparing a polymer composite material, and then carrying out hot stretching to obtain polymer composite fibers; the raw materials comprise a polymer matrix, a fiber-forming phase substance and a processing aid; (2) arranging the polymer composite fibers prepared in the step (1) in the same direction, and performing hot pressing to obtain a polymer composite board with oriented fibers; and (3) carrying out supercritical fluid foaming on the polymer composite board prepared in the step (2) to obtain the microporous foam material with oriented cells.Type: GrantFiled: July 26, 2023Date of Patent: February 27, 2024Assignee: Zhengzhou UniversityInventors: Xiaofeng Wang, Yufan Jiang, Jing Jiang, Lian Yang, Yangyang Li, Qian Li
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Patent number: 11912843Abstract: A process for producing a flexible foam includes introducing a masterbatch material into an extruder, the masterbatch material consisting essentially of one or more thermoplastic polymers that are recycled, recyclable, biodegradable, and/or compostable, mixing an inert gas with the masterbatch material, extruding the masterbatch material through the extruder to form a polymer melt, passing the polymer melt through a die to form an extrudate, and allowing the extrudate to expand into a foam.Type: GrantFiled: December 19, 2022Date of Patent: February 27, 2024Assignee: O2 PARTNERS, LLCInventor: Robert Falken
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Patent number: 11905399Abstract: A resin formed body obtained from a resin composition that contains a polypropylene resin and a cellulose fiber, the polypropylene resin partially containing an acid modified polypropylene resin, wherein the resin formed body has a diffraction peak derived from a polypropylene ?-crystal (040) plane at a position of a scattering vector s of 1.92±0.1 nm?1, a diffraction peak derived from a polypropylene ?-crystal (300) plane at a position of a scattering vector s of 1.83±0.1 nm?1, and a diffraction peak derived from a cellulose I? type crystal (004) plane at a position of a scattering vector s of 3.86±0.1 nm?1, observed in a wide-angle X-ray diffraction measurement, and wherein an orientation degree of the cellulose fiber in the resin formed body is larger than 0.1 and less than 0.8.Type: GrantFiled: March 15, 2021Date of Patent: February 20, 2024Assignee: FURUKAWA ELECTRIC CO., LTD.Inventors: Yukihiro Ikura, Suzune Ito, Yasuo Nakajima, Kenichi Suyama, Jae Kyung Kim, Hiroki Tanaka, Isao Tomomatsu
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Patent number: 11884599Abstract: A slurry for manufacturing gypsum board is disclosed. The slurry comprises calcined gypsum, water, a foaming agent, and a thickening agent. The thickening agent of the present disclosure acts to improve the cohesiveness of the slurry without adversely affecting the setting time of the slurry, the paper-to-core bond (wet and dry), or the head of the slurry by acting as a defoaming agent or coalescing agent. Examples of suitable thickening agents include cellulose ether and co-polymers containing varying degrees of polyacrylamide and acrylic acid. A gypsum board and method of forming the slurry and the gypsum board are also disclosed. The gypsum board comprises a gypsum layer formed from the slurry.Type: GrantFiled: March 11, 2022Date of Patent: January 30, 2024Assignee: Gold Bond Building Products, LLCInventors: Eli Stav, Gopalakrisnan Sethuraman, Ma-Ikay Miatudila, Karen Fey, Joseph J. Bailey
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Patent number: 11884764Abstract: The invention concerns the field of polymer chemistry and relates to membranes, such as those that can be used, for example, for the preparation of aqueous solutions using microfiltration or ultrafiltration. The object of the present invention is to specify membranes which have improved anti-fouling properties and sliding friction properties. The object is attained with membranes comprised at least predominantly of multiblock copolymers of the general formula (1) where X=connection point E=C2 to C4 alkyl ether A=other block component not containing silicone R=C1 to C4 alkyl radical and/or phenyl radical m=1<m<500 n=0?n<100 o=1<o<10 p=1<p<10 z=1<z<25, the molar ratio of the silicone-containing block component and the other block component A in the multiblock copolymer is between 5:1 and 1:5, and wherein the silicon-containing block components are predominantly arranged at the surface of the membranes.Type: GrantFiled: November 20, 2020Date of Patent: January 30, 2024Assignee: LEIBNIZ-INSTITUT FUER POLYMERFORSCHUNG DRESDEN E.V.Inventors: Jochen Meier-Haack, Wladimir Butwilowski, Tim Oddoy, Kornelia Schlenstedt
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Patent number: 11879045Abstract: A polymer-based sensor for detecting agricultural analytes is disclosed, including stable polymer-based sensing films such as molecular imprinted polymers (MIPs) that can be incorporated in sensors for detecting herbicides and pesticides, as well as methods of making the sensing films.Type: GrantFiled: December 17, 2020Date of Patent: January 23, 2024Assignee: GEORGIA TECH RESEARCH CORPORATIONInventors: Jie Xu, Douglas Britton
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Patent number: 11879038Abstract: The present invention relates to a polymer foam, said polymer foam comprising pores forming an open-cell polymer foam, said polymer foam comprising a supramolecular gel inside pores, and said polymer foam comprising at least one enzyme. The present invention relates to a supramolecular gel; its preparation and its applications, notably in chemical synthesis and kinetic resolution, in particular of organic compounds. The present invention also relates to flow chemistry.Type: GrantFiled: September 9, 2020Date of Patent: January 23, 2024Assignees: UNIVERSITE DE STRASBOURG, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS), INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALEInventors: Loïc Jierry, Christophe Serra, Pierre Schaaf, Jennifer Rodon Fores, Fouzia Boulmedais
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Patent number: 11879044Abstract: A polyurethane foam of the present disclosure is obtained from a polyurethane raw material containing a polyol component and a polyisocyanate component, and a gas for foaming. The polyurethane raw material contains a hydrophobic silica as a foam retention agent for retaining a foam and a light calcium carbonate, and a blending amount of the light calcium carbonate is 10 parts by weight or more based on 100 parts by weight of the polyol component.Type: GrantFiled: November 7, 2019Date of Patent: January 23, 2024Assignees: ROGERS INOAC CORPORATION, INOAC CORPORATIONInventors: Ayaka Orikasa, Takuya Kiriyama
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Patent number: 11873379Abstract: Thermally treated aerogel compositions that include polyamic amides in an amount less than the aerogel compositions that include polyamic amides prior to thermal treatment, and articles of manufacture that include or are manufactured from the aerogel compositions are described.Type: GrantFiled: September 7, 2021Date of Patent: January 16, 2024Assignee: BLUESHIFT MATERIALS, INC.Inventors: Alan D. Sakaguchi, Garrett D. Poe, David J. Irvin, Alysa M. Joaquin, Janae D. Manning
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Patent number: 11859073Abstract: A foamable composition including a polypropylene-based copolymer and a polyolefin is disclosed. The composition can be used to make a stiff foam with a high closed-cell content. Methods for producing the composition and the foam are provided.Type: GrantFiled: February 1, 2023Date of Patent: January 2, 2024Assignee: BRASKEM AMERICA, INC.Inventors: Kimberly Miller McLoughlin, Kevin Herrington
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Patent number: 11859066Abstract: The invention relates to the use of a mineral having perovskite structure in vinyl aromatic polymer foam, i) for decreasing the thermal conductivity, ii) for increasing the mechanical properties (namely compressive strength and bending strength), or iii) for improving the self-extinguishing properties of the foam. The polymer foam further comprises one or more athermanous additives selected from a) powder inorganic additive selected from powders of silica and calcium phosphate, b) powder carbonaceous additive selected from powders of graphite, carbon black, petroleum coke, graphitized carbon black, graphite oxides, and graphene, and c) powder geopolymer and powder geopolymer composite.Type: GrantFiled: January 14, 2016Date of Patent: January 2, 2024Assignee: SYNTHOS S.A.Inventors: Filip Lukasz Kondratowicz, Piotr Rojek, Marzena Mikoszek-Operchalska, Kamil Utrata