Patents Examined by Thomas A Mangohig
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Patent number: 11072671Abstract: Described herein is a process for making PTFE having a standard specific gravity of less than 2.160 g/cm3 comprising: polymerizing a tetrafluoroethylene monomer in an aqueous medium comprising an emulsifier and an initiator in a reaction vessel and contacting the aqueous medium with a fluorinated polyether. Also described herein are the polymerizable compositions and articles thereof.Type: GrantFiled: April 28, 2011Date of Patent: July 27, 2021Assignee: 3M Innovative Properties CompanyInventors: Oliver Frey, Klaus Hintzer, Wolfgang Neumann, André Streiter
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Patent number: 11034777Abstract: This disclosure relates to carboxylated spherical crystalline chitin nanoparticles (SChNPs) having an average diameter of about 18-20 nm or less; and a process for producing same from the chitinous material, comprising contacting a chitinous material with an Oxone monopersulfate reagent (Formula (II)).Type: GrantFiled: October 17, 2017Date of Patent: June 15, 2021Assignee: 9802622 CANADA INC.Inventor: John Ha-Thanh Luong
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Patent number: 10961416Abstract: Disclosed is a semi-hardened pressure sensitive adhesive film to be used in the semi-hardened state and having excellent printing step absorption properties. The adhesive film according to the present invention contains a radial polymer composition and a cationic polymer composition, and the radial polymer composition is primarily cross-linked to maintain the semi-hardened state. When applied onto a substrate through a printing step, the present invention has excellent step absorption properties and adhesion properties and excellent durability even under high-temperature and high-humidity conditions.Type: GrantFiled: April 8, 2013Date of Patent: March 30, 2021Inventors: Min-Seok Song, Chan-Oh Yoon, Eun-Kyung Park, Bu-Gi Jung, Jang-Soon Kim
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Patent number: 10696880Abstract: Provided are a polyester-based pressure-sensitive adhesive composition having high wetting ability and superior adherability and light peelability, and a pressure-sensitive adhesive sheet produced with such a pressure-sensitive adhesive composition. The polyester-based pressure-sensitive adhesive composition includes a polyester obtained by polycondensation of a difunctional or polyfunctional carboxylic acid and a diol; a fatty acid ester; and a crosslinking agent, wherein the polyester has a weight average molecular weight of 8,500 to 50,000, and the fatty acid ester has no additional functional group and has a molecular weight of 200 to 700. The polyester-based pressure-sensitive adhesive composition contains 10 to 150 parts by weight of the fatty acid ester based on 100 parts by weight of the polyester.Type: GrantFiled: January 16, 2015Date of Patent: June 30, 2020Assignee: NITTO DENKO CORPORATIONInventors: Satomi Yoshie, Shigeki Ishiguro, Akiko Tanaka
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Patent number: 10633520Abstract: A dry liquid, comprising at least one additive having a molar mass greater than 20 g/mol, a melting temperature less than 500° C., and a boiling point, measured at 101325 Pa, greater than 100° C. and at least one calcium carbonate as a carrier material, wherein the calcium carbonate is precipitated calcium carbonate. The dry liquid is suitable in particular for introducing at least one preferably fluid additive into a chemical composition.Type: GrantFiled: July 28, 2011Date of Patent: April 28, 2020Assignee: Schaefer Kalk GmbH & Co. KGInventors: Roland Vogel, Marijan Vucak, Christoph Nover
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Patent number: 10629339Abstract: Size-controlled ultra-small iron-based metal oxide nanoparticles, nanocolloids comprising the nanoparticles, and methods of making the nanoparticles. The method for making the iron-based nanoparticles include sequential mixing of an iron(III) salt, a metal (II) salt, a carboxylic acid, an amine, and an inorganic base in water at temperatures ranging from 25-80° C. Nanoparticles in the size ranging from 2 nm to 10 nm with a narrow size distribution are obtained with the method. The nanoparticles have an iron-based core surrounded by molecules such as a panel of different carboxylates, polycarboxylates, and amines. Depending on the hydrophilicity of the carboxylates used, the functional nanoparticulate colloid can be dispersed in either organic or aqueous solvents. The nanocolloids comprise the nanoparticles in a concentration ranging from 1-10 mg/ml, and are stable for at least several months.Type: GrantFiled: October 19, 2015Date of Patent: April 21, 2020Assignees: National Guard Health Affairs, King Saud bin Abdulaziz University for Health Sciences, King Abdullah International Medical Research CenterInventor: Kheireddine El-Boubbou
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Patent number: 10619039Abstract: A polypropylene resin composition including 100 parts by weight of basic components including a polypropylene resin (A) with a propylene polymer, the propylene polymer having a MFR of 10 to 300 g/10 min and containing 98 mol % or more of structural units derived from propylene, an ethylene.?-olefin copolymer (B) having an ethylene content of 65 to 90 mol %, and optionally an inorganic filler (E); 0.2 to 1 part by weight of a fatty acid amide (C); and 0.2 to 1 part by weight of a surfactant (D).Type: GrantFiled: September 17, 2013Date of Patent: April 14, 2020Assignees: PRIME POLYMER CO., LTD., HONDA MOTOR CO., LTD.Inventors: Yusuke Fukuda, Kenichi Hayakawa, Yoshinobu Hatano
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Patent number: 10611933Abstract: Disclosed are a removal aqueous emulsion adhesive, as an aqueous adhesive, which is environmental-friendly, exhibits superior adhesive strength and heat resistance, and low removal noise and is free of ghosts, as compared to rubber-soluble adhesives, and is thus applicable to a variety of commercial labels including labels for cosmetics, medicine, foods, chemical products and promotion, as well as to adhesive sheets such as adhesive labels used for electric and electrical products that require heat resistance and absence of ghosts, and a method for preparing the same.Type: GrantFiled: August 19, 2011Date of Patent: April 7, 2020Assignee: LG CHEM, LTD.Inventors: Kong-Ju Song, Young-Min Kim, Jae-Woung Ha, Kum-Hyung Lee
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Patent number: 10550293Abstract: A label having a silicone-free (water-based) release coating and compatible adhesive patch is provided. The label includes a thermally coated substrate having a silicone-free substrate overlaid thereon of a first surface. A second surface includes a microsphere adhesive layer.Type: GrantFiled: June 16, 2014Date of Patent: February 4, 2020Assignee: Iconex LLCInventors: Martha Patricia Wild, Marcus Eugene Wilker, Tuan Anh Nguyen Le, Jessica Darlene Watkins
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Patent number: 10508035Abstract: Aluminum nitride crystal particles, aluminum nitride powders containing the same, production processes for both of them, an organic polymer composition comprising the aluminum nitride crystal particles and a sintered body. Each of the aluminum nitride crystal particles has a flat octahedral shape in a direction where hexagonal faces are opposed to each other, which is composed of two opposed hexagonal faces and 6 rectangular faces, in which the average distance “D” between two opposed corners of each of the hexagonal faces is 3 to 110 ?m, the length “L” of the short side of each of the rectangular faces is 2 to 45 ?m, and L/D is 0.05 to 0.8; each of the hexagonal faces and each of the rectangular faces cross each other to form a curve without forming a single ridge; and the true destiny is 3.20 to 3.26 g/cm3.Type: GrantFiled: February 6, 2014Date of Patent: December 17, 2019Assignee: TOKUYAMA CORPORATIONInventors: Yutaka Fukunaga, Yukihiro Kanechika, Meng Wang, Ken Sugawara
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Patent number: 10450471Abstract: There is provided a method for producing a heat-ray shielding dispersion body in which heat-ray shielding particles having an excellent hygrothermal resistance are dispersed in a medium, a heat-ray shielding body, and a method for producing them. The heat-ray shielding dispersion body and the heat shielding body are produced by mixing and dispersing zinc hydroxide particles and composite tungsten oxide particles expressed by a general formula MYWOZ and having a hexagonal crystal structure, and molding and solidifying such a dispersion.Type: GrantFiled: July 11, 2013Date of Patent: October 22, 2019Assignee: SUMITOMO METAL MINING CO., LTD.Inventors: Kayo Yabuki, Atsushi Tofuku
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Patent number: 10435592Abstract: An object of the present invention is to provide a primer composition for application between the base film and the adhesive layer of an adhesive tape that can improve the adhesion between the base film and the adhesive layer of the adhesive tape and an adhesive tape prepared by using the primer composition. A primer composition, comprising 100 parts by mass (as solid matter) of a graft polymer of a natural rubber graft-polymerized with 15 to 65 mass % of methyl methacrylate and 25 to 300 parts by mass of a carboxyl group-modified acrylonitrile butadiene rubber.Type: GrantFiled: December 15, 2017Date of Patent: October 8, 2019Assignee: DENKA COMPANY LIMITEDInventors: Kohji Kubo, Mizuki Hasumi
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Patent number: 10435513Abstract: An object of the present invention is to provide a composite of silicon oxide nanoparticles and a silsesquioxane polymer, from which a cured film having a low refractive index can be formed inexpensively. Provided are a method of producing a composite of silicon oxide nanoparticles and a silsesquioxane polymer, the method comprising reacting a silsesquioxane polymer having a silanol group at a terminal or a silane monomer with silicon oxide nanoparticles having a hydroxyl group or an alkoxy group on the surface in a mixed solvent of an aqueous solvent and an organic solvent in the presence of a phase transfer catalyst, and a composite produced by the method.Type: GrantFiled: December 19, 2013Date of Patent: October 8, 2019Assignee: Ridgefield AcquisitionInventors: Naofumi Yoshida, Yuji Tashiro, Daishi Yokoyama, Toshiaki Nonaka
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Patent number: 10370507Abstract: Provided are a carbon fiber thermoplastic resin prepreg which is a carbon fiber prepreg obtained by impregnating a PAN-based carbon fiber in which the average fiber fineness of a single fiber is 1.0 dtex to 2.4 dtex with a thermoplastic resin, wherein the thermoplastic resin satisfies 20?(FM/FS)?40 (where FM: flexural modulus (MPa) of a resin sheet comprising only the thermoplastic resin, and FS: flexural strength (MPa) of the resin sheet), a method for manufacturing the same, and a carbon fiber composite material employing the carbon fiber prepreg.Type: GrantFiled: April 27, 2017Date of Patent: August 6, 2019Assignee: Mistubishi Chemical CorporationInventors: Masao Tomioka, Takahiro Hayashi, Saki Fujita, Takeshi Ishikawa, Keigo Yoshida, Takuya Teranishi, Atsushi Takahashi, Kenichi Watanabe, Morio Katagiri, Akinobu Sasaki, Masahiro Oosuka, Hiroshi Tategaki, Takayuki Kobayashi
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Patent number: 10370506Abstract: Provided are a carbon fiber thermoplastic resin prepreg which is a carbon fiber prepreg obtained by impregnating a PAN-based carbon fiber in which the average fiber fineness of a single fiber is 1.0 dtex to 2.4 dtex with a thermoplastic resin, wherein the thermoplastic resin satisfies 20?(FM/FS)?40 (where FM: flexural modulus (MPa) of a resin sheet comprising only the thermoplastic resin, and FS: flexural strength (MPa) of the resin sheet), a method for manufacturing the same, and a carbon fiber composite material employing the carbon fiber prepreg.Type: GrantFiled: March 29, 2013Date of Patent: August 6, 2019Assignee: MITSUBISHI CHEMICAL CORPORATIONInventors: Masao Tomioka, Takahiro Hayashi, Saki Fujita, Takeshi Ishikawa, Keigo Yoshida, Takuya Teranishi, Atsushi Takahashi, Kenichi Watanabe, Morio Katagiri, Akinobu Sasaki, Masahiro Oosuka, Hiroshi Tategaki, Takayuki Kobayashi
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Patent number: 10184070Abstract: A thermosettable pressure sensitive adhesive tape comprising at least first and second adhesive layers bonded together. Each of the adhesive layers comprises a thermosettable pressure sensitive adhesive, which is the photo-polymerization reaction product of starting materials. The starting materials for each adhesive layer comprises at least a photo-polymerizable acrylic component and a thermosettable epoxy component. The thermosettable pressure sensitive adhesive, used for either of the two adhesive layers, is not black when fully cured without the presence of a black coloring pigment. The first adhesive layer is made from a layer of starting materials that is thin enough to allow substantial photo-polymerization of the starting materials, even with the starting materials containing a sufficient amount of a black coloring pigment to cause the first adhesive to have a black color after the first adhesive is substantially cured.Type: GrantFiled: August 16, 2013Date of Patent: January 22, 2019Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventor: Peter T. Dietz
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Patent number: 10174224Abstract: Provided is a urethane adhesive composition for a touch panel having a glass transition temperature between ?20° C. to ?50° C., and which, as a cured composition, has an elasticity of 50,000 Pa to 70,000 Pa at 60° C. to 80° C.Type: GrantFiled: August 7, 2013Date of Patent: January 8, 2019Assignee: LG Chem, Ltd.Inventors: Chan Oh Yoon, Eun Kyung Park, Jaegwan Lee, Jang Soon Kim, Bu Gi Jung, Sung Chan Park, Won Ho Kim
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Patent number: 10087082Abstract: A nanoparticle has at least one dimension less than 500 nm and comprises a silica surface and a plurality of zwitterionic functional groups covalently bound to the silica surface. Such nanoparticles and dispersions contain such nanoparticle are prepared and used for a variety of purposes.Type: GrantFiled: June 5, 2007Date of Patent: October 2, 2018Assignee: FLORIDA STATE UNIVERSITY RESEARCH FOUNDATION, INC.Inventor: Joseph B. Schlenoff
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Patent number: 10087330Abstract: The invention is directed to processes for increasing the surface area of a carbon black starting material and for forming mesoporous carbon black. The process includes the step of contacting a carbon black starting material having a first BET nitrogen surface area with an oxidant in a fluidized bed under conditions effective to form a carbon black product having a second BET nitrogen surface area greater than the first BET nitrogen surface area. The invention is also directed to carbon black product formed by this process.Type: GrantFiled: February 12, 2009Date of Patent: October 2, 2018Assignee: Cabot CorporationInventors: Martin C. Green, Roscoe Taylor, Geoffrey D. Moeser, Agathagelos Kyrlidis, Raymond M. Sawka
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Patent number: 9976056Abstract: A waterproof sheet comprising a rubber base and a pressure-sensitive adhesive layer of silicone resin or gel thereon is applicable to the boundary between an outdoor tank and a concrete pedestal. The waterproof sheet maintains waterproofness over a long period of time and is in long-term service without degradation of physical properties.Type: GrantFiled: March 30, 2012Date of Patent: May 22, 2018Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Takeshi Nakajima, Takashi Hagiwara, Hisaharu Yamaguchi, Masahiro Yoda, Mitsuru Tomaru