Patents Examined by Karuna P Reddy
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Patent number: 11639425Abstract: A method of producing a nanocomposite film includes generating a bilayer film including at least a first layer of at least one nanoparticle and a second layer of at least one material and annealing the bilayer film. A uniform nanocomposite film includes a plurality of nanoparticles dispersed in a polymer matrix, wherein the plurality of nanoparticles form at least 60% by volume of the polymer nanocomposite film.Type: GrantFiled: May 12, 2015Date of Patent: May 2, 2023Assignee: The Trustees of the University of PennsylvaniaInventors: Daeyeon Lee, Yun-Ru Huang, Shu Yang, Dengteng Ge
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Patent number: 11623973Abstract: The present invention relates to packaging material comprising a plastic substrate comprising at least one surface, and a barrier layer for hydrophobic substances, wherein the barrier layer is in contact with the at least one surface of the plastic substrate, wherein the barrier layer comprises a copolymer, a surface-reacted calcium carbonate, and a mineral material selected from natural ground calcium carbonate and/or precipitated calcium carbonate, as well as a method for producing the same and its use.Type: GrantFiled: February 16, 2018Date of Patent: April 11, 2023Assignee: Omya International AGInventor: Ramon Rohé
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Patent number: 11624014Abstract: A moisture-curable adhesive composition comprises a polymer component selected from a silane-terminated polyalkylene oxide and/or a polyurethane; a plurality of amino-silane modified wollastonite fibers having an average aspect ratio of from about 1.5:1 to about 12:1 and an average fiber length of from about 6 ?m to about 825 ?m; at least two fillers, wherein one of said fillers is untreated and a second of said fillers is treated with a modifier selected from the group consisting of a fatty acid derivative, a silane, a titanate, and mixtures thereof wherein at least one of said fillers is irregularly shaped; and a rheology modifier. The composition preferably further comprises a plurality of irregularly-shaped crumb rubber particles having an average particle size of between about 0.5 to 1.5 mm. The composition is useful for adhering tiles to surfaces, especially large format tiles to substantially vertically-extending wall surfaces.Type: GrantFiled: February 5, 2018Date of Patent: April 11, 2023Assignee: Bistik, Inc.Inventors: Todd V. Porter, Chad P. Bulen, Serhan Oztemiz, Liam P. Devlin
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Patent number: 11613616Abstract: Disclosed a preparation method of a green, biodegradable, and multifunctional collagen-based nanocomposite film, and overcomes the problems of difficult biodegradation, poor barrier property, and single function of food packaging materials in the existing technologies. The present invention includes the following steps: adding silicate nanosheet into deionized water for ultrasonic dispersion; then adding polyphenolic acid into the mixture, wherein a mass ratio of the polyphenolic acid to the silicate nanosheet is 1:(0.2˜1); and adjusting the pH value to 3.0˜4.0 to obtain a solution A; adding collagen with a concentration of 5 g/L into an acetic acid solution, and fully dissolving the collagen to obtain a solution B; isovolumetrically mixing the solution A with the solution B, stirring at room temperature, and adjusting the pH value to 4.5˜5.5 to obtain a casting solution; and pouring the casting solution into a polytetrafluoroethylene mold, and naturally drying to obtain a nanocomposite film.Type: GrantFiled: June 15, 2021Date of Patent: March 28, 2023Assignee: Shaanxi University of Science & TechnologyInventors: Jiabo Shi, Ruizhen Zhang, Siqi Lv, Yu Cui, Wenying Cao, Jianzhong Ma
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Patent number: 11608447Abstract: Disclosed are a cell culture substrate that can be modified from its cell-inadhesibleness to make it cell-adhesible, by a convenient and low-cost treatment, and particularly, a substrate that allows position-specific culture of one or more kinds of cells. The substrate has on its surface a layer made of a photomodifiable polymer that comprises a monomer, as component (A), represented by Formula (1): wherein R1 denotes hydrogen or a methyl group, and R2 denotes an alkyl group having 1-22 carbon atoms, respectively, and n denotes an integer of 1-30, and a component (B) having a trialkoxysilyl group, which forms a layer.Type: GrantFiled: November 9, 2017Date of Patent: March 21, 2023Assignees: THE UNIVERSITY OF TOYAMA, OSAKA ORGANIC CHEMICAL INDUSTRY CO., LTD.Inventors: Hiromi Kitano, Tadashi Nakaji, Yoshiyuki Saruwatari, Kazuyoshi Matsuoka
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Patent number: 11597787Abstract: Provided is a particle suitable for a specimen test, which has high sensitization efficiency in a reaction with an antibody, shows high detection sensitivity as a latex reagent, hardly agglutinates during its storage, and hardly causes nonspecific adsorption even when not post-coated. The particle is a particle including a copolymer containing a monomer unit derived from a styrene-based monomer and a monomer unit derived from a glycidyl group-containing monomer, the particle being represented by the following general formula (1): in the general formula (1), L1 represents a copolymer moiety containing the monomer unit derived from the styrene-based monomer and the monomer unit derived from the glycidyl group-containing monomer, “n” represents from 4 to 11, and R1 and R2 each represent a hydrogen atom, an alkyl group, or a halogen.Type: GrantFiled: October 19, 2020Date of Patent: March 7, 2023Assignees: CANON KABUSHIKI KAISHA, CANON MEDICAL SYSTEMS CORPORATIONInventors: Takeshi Sekiguchi, Kengo Kanazaki
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Patent number: 11577221Abstract: A superabsorbent polymer composition includes superabsorbent polymer particles, a chelating agent and a mixture of an organic acid and a silicate-based salt. The superabsorbent polymer particles include crosslinked polymer of water-soluble ethylenically unsaturated monomers including acid groups, of which at least a part are neutralized, and the chelating agent includes EDTA or an alkali metal salt thereof, exhibiting improved antimicrobial and deodorizing properties without deterioration of the superabsorbent polymer properties such as centrifugal retention capacity.Type: GrantFiled: October 19, 2018Date of Patent: February 14, 2023Inventors: Jin Woo Lee, Young Sam Kim
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Patent number: 11566106Abstract: A curable composition containing more than 80% by weight of a blend of benzoxazines, wherein the blend includes (A) one or more multifunctional benzoxazines and (B) a liquid, non-halogenated monofunctional benzoxazine. This composition has been found to be stable at high temperatures, e.g. 180° C.-250° C., and suitable for making composite materials using conventional techniques such as prepregging and liquid resin infusion.Type: GrantFiled: June 2, 2020Date of Patent: January 31, 2023Assignee: Cytec Industries Inc.Inventors: Mark Edward Harriman, Paul Mark Cross, Ram B. Gupta
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Patent number: 11555096Abstract: A protective window includes a flexible base film and a hard coating layer disposed on the flexible base film. The hard coating layer includes a silicone leveling agent and an inorganic antistatic agent. The coating layer includes an upper area and a lower area disposed between the upper area and the flexible base film, and a density of the inorganic antistatic agent in the lower area is greater than a density of the inorganic antistatic agent in the upper area.Type: GrantFiled: March 4, 2020Date of Patent: January 17, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Young-Sang Park, Young Moon Kim, Kicheol Song, Hung Kun Ahn, Kyou Jong Park, Sung Guk An, Jang Doo Lee, Jeong Chul Ho
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Patent number: 11512224Abstract: A water-based coating composition including: a polyol; a polyisocyanate; a hydrophobic curing catalyst which is made of an organometallic compound containing at least one metal atom selected from the group consisting of Sn, Bi, Zr, Ti, and Al and of which solubility in water under conditions of atmospheric pressure at 20° C. is 1 g/100 ml or less; and a nonionic surfactant of which an HLB value determined by a Griffin method is 10 to 15.Type: GrantFiled: October 18, 2019Date of Patent: November 29, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shuji Yomo, Keiji Ambo
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Patent number: 11504448Abstract: The subject matter of the invention is an autopolymerisable 2-component prosthetic base material, a kit containing the material as well as a method for its production comprising at least one liquid monomer component (A), and at least one powdered component (B), wherein the prosthetic material in component (A) besides methylmethacrylate contains at least one N-alkyl-substituted acryloyloxy carbamate having a molecular mass of less than or equal to 250 g/mol, optionally at least one at least di-functional urethane (meth)acrylate, a di-, tri-, tetra- or multi-functional monomer not being urethane (meth)acrylate, and optionally polymeric particles having a primary particle size of less than 800 nm, and the powdered component (B) comprises polymeric particles having at least three different particle size fractions, and both (A) and (B) contains at least one initiator or at least one component of an initiator system for autopolymerisation.Type: GrantFiled: November 11, 2016Date of Patent: November 22, 2022Assignee: KULZER GMBHInventors: Alfred Hohmann, Susanne Busch
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Patent number: 11505705Abstract: The invention relates to a method for coating surfaces, to a corresponding coating, and to the use of the objects coated in accordance with said method. The invention relates to a method for coating metal surfaces of substrates, comprising or consisting of the following steps: I. providing a substrate having a cleaned metal surface, II. contacting and coating metal surfaces with an aqueous composition in the form of a dispersion and/or suspension, IX. optionally rinsing the organic coating, and X. drying and/or baking the organic coating or XI. optionally drying the organic coating and coating with a coating composition of the same type or a further coating composition before a drying process and/or baking process, wherein in step II the coating is performed with an aqueous composition in the form of a dispersion and/or suspension containing 2.5 to 45 wt % of at least one non-ionic stabilized binder and 0.1 to 2.0 wt % of a gelling agent, wherein the aqueous composition has a pH value in the range of 0.Type: GrantFiled: August 31, 2018Date of Patent: November 22, 2022Assignee: CHEMETALL GMBHInventors: Daniel Wasserfallen, Michael Schwamb, Aliaksandr Frenkel, Vera Sotke, Wolfgang Bremser, Martin Droll, Oliver Seewald, Ron Eilinghoff, Stephanie Gerold, Evgenija Niesen, Lars Schachtsiek, Manuel Traut
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Patent number: 11505636Abstract: The present disclosure relates to compositions comprising a copolymer derived from a vinyl aromatic monomer, a (meth)acrylate monomer, an acid monomer, and a copolymerizable surfactant and compositions comprising the same. The (meth)acrylate monomer can be selected from a monomer having a theoretical glass transition temperature (Tg) for its corresponding homopolymer of 0° C. or less or a hydrophobic (meth)acrylate monomer. In some embodiments, the copolymer is further derived from an organosilane. The copolymers can have a theoretical glass transition temperature (Tg) from ?60° C. to 80° C. and a number average particle size of 250 nm or less. The compositions can be used to prepare compositions such as coatings that have improved water resistance, blush resistance, and/or resistance to hydrostatic pressures. Methods of making the copolymers are also provided.Type: GrantFiled: November 21, 2017Date of Patent: November 22, 2022Assignee: BASF SEInventors: Kostas S. Avramidis, Armin A. Burghart, Don M. Cho, Luke S. Egan, Vanessa Adams
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Patent number: 11497689Abstract: Disclosed is a self-invertible inverse latex including, as an inverting agent, surfactant species of the polyglycerol ester family; the use thereof as a thickening and/or emulsifying and/or stabilising agent for a cosmetic, dermopharmaceutical or pharmaceutical topical composition, and cosmetic, dermopharmaceutical or pharmaceutical topical compositions containing same. Also disclosed is a new surfactant composition containing polyglycerol esters.Type: GrantFiled: February 27, 2019Date of Patent: November 15, 2022Assignee: SOCIETE D'EXPLOITATION DE PRODUITS POUR LES INDUSTRIES CHIMIQUES SEPPICInventors: Miruna Bodoc, Jérôme Guilbot, Georges Da Costa, Aurélie Colas
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Patent number: 11492482Abstract: An acrylic rubber contains a copolymer of a monomer mixture of: 25 to 46 wt. % of alkoxyalkyl acrylate, 23 to 37 wt. % of 2-ethylhexyl acrylate, 9 to 17 wt. % of alkyl methacrylate, 1 to 3 wt. % of monoalkyl fumarate and the remaining amount is ethyl acrylate. This acrylic rubber improves hydrolysis resistance by introducing a specific alkyl acrylic monomer with extremely low hydrolysis property i.e. low hydrophilicity, and at the same time satisfies all of oil resistance, cold resistance, and hydrolysis resistance in a well-balanced manner.Type: GrantFiled: October 24, 2018Date of Patent: November 8, 2022Assignee: UNIMATEC CO., LTD.Inventors: Daichi Toge, Daiki Watanabe
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Patent number: 11497152Abstract: An electromagnetic wave shield film in which peeling off between a metal thin film and an adhesive layer is prevented and a printed wiring board employing the electromagnetic wave shield are provided. An electromagnetic wave shield film is formed by laminating at least a metal thin film and an adhesive layer in order, and the water vapor permeability of the electromagnetic wave shield film according to JISK7129 is 0.5 g/m2 per 24 hours or higher at a temperature of 80 degrees centigrade, a moisture of 95% RH, and a pressure difference of 1 atm.Type: GrantFiled: July 15, 2020Date of Patent: November 8, 2022Assignee: TATSUTA ELECTRIC WIRE & CABLE CO., LTD.Inventor: Masahiro Watanabe
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Patent number: 11479619Abstract: Phosphorus-containing aqueous polymer dispersions and the use thereof as binders in coating formulations.Type: GrantFiled: November 5, 2018Date of Patent: October 25, 2022Inventors: Quirin Maximilian Kainz, Ulrich Tromsdorf, Manfred Dargatz
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Patent number: 11479688Abstract: The presently claimed invention relates to polymer with branched structure, in particular, hydrophobically modified alkali-soluble (or alkali-swellable) emulsion (HASE) copolymers which are effective thickeners at high shear rates and at the same time offer a Newtonian rheology profile and their use in aqueous compositions, particularly in aqueous coating formulations as well as a method for preparing hydrophobically modified alkali-soluble (or alkali-swellable) emulsion copolymers.Type: GrantFiled: March 28, 2018Date of Patent: October 25, 2022Inventors: Matthias Maier, Clemens Auschra, Huiguang Kou
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Patent number: 11479920Abstract: A method for maintenance of railroad wood ties is presented herein. The wood filler composition used in the method is applicable for filling holes or gaps in wood to stabilize wood structures. The composition comprises at least unintahite, also known as asphaltum or Gilsonite, and sand. The composition may further comprise a water repellant and a wood preservative. The composition is non-carcinogenic. The method comprises filling a hole with the dry composition described herein. The wood member may be a railroad tie and using an appropriate filling device, at least two holes, or at least four holes may be filled at one time.Type: GrantFiled: June 27, 2022Date of Patent: October 25, 2022Assignee: Railroad Solutions, Inc.Inventors: Walter Vizcaino, Michael Raab
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Patent number: 11459418Abstract: A quadripolymer based on host-guest interaction and prepared in the steps including (1) weigh maleic anhydride and dissolve in dichloromethane, add ?-phenethylamine dropwise, stir to react for 1 to 3 hours, perform extraction filtration and washing, to obtain N-phenethylmaleamic acid; (2) weigh mono 6-ethylenediamine ?-cyclodextrin and maleic anhydride, dissolve in N, N-dimethylformamide, and place at 40° C. for reaction for 3 to 6 hours, the product is precipitated with chloroform, washed and dried under vacuum to obtain maleic anhydride modified mono 6-ethylenediamine ?-cyclodextrin; (3) Add acrylamide, acrylic acid, maleic anhydride modified mono 6-ethylenediamine ?-cyclodextrin, N-phenethylmaleamic acid, adjust the pH of the solution to 7; introduce nitrogen, add a photoinitiator and place to a photo-initiating device to react 3˜5 hours at a temperature of 10˜30° C. The quadripolymer has good temperature and salt resistance, shear resistance. The raw materials are cheap and easily available.Type: GrantFiled: November 20, 2018Date of Patent: October 4, 2022Assignee: SOUTHWEST PETROLEUM UNIVERSITYInventors: Qiang Ren, Yongming Li, Youshi Jiang