Patents Examined by Henry Hu
  • Patent number: 10301516
    Abstract: A method for preparation of a high-viscosity polyester hot-melt adhesive with a partially sensitive viscosity-temperature property is disclosed, including the steps of: i) subjecting terephthalic acid, isophthalic acid, dodecanedioic acid, adipic acid, butanediol, dipropylene glycol and hexanediol to an esterification reaction in the presence of tetrabutyl titanate serving as a catalyst; and ii) adding an antioxidant to a product resulting from step i) to conduct a polycondensation reaction under a reduced pressure so as to obtain the high-viscosity polyester hot-melt adhesive which has a low melting point of 130° C.-135° C. and a partially sensitive viscosity-temperature property.
    Type: Grant
    Filed: July 20, 2015
    Date of Patent: May 28, 2019
    Inventors: Zhelong Li, Wanyu Zhu, Heji Lei, Fangqun Wu, Zuoxiang Zeng
  • Patent number: 10227457
    Abstract: It is an object to provide a compound that can provide a molded article and a coating film excellent not only in solubility in an organic solvent, but also in miscibility with/dispersibility in a matrix resin, causing no aggregation in a matrix resin, excellent in surface modification property, and having high transparency. A fluorine-containing highly branched polymer obtained by polymerizing a monomer A having two or more radical polymerizable double bonds in the molecule thereof with a monomer B having a fluoroalkyl group and at least one radical polymerizable double bond in the molecule thereof in the presence of a polymerization initiator C in a content of 5% by mol or more and 200% by mol or less, based on the total molar amount of the monomer A and the monomer B; and a resin composition comprising the polymer.
    Type: Grant
    Filed: May 23, 2016
    Date of Patent: March 12, 2019
    Inventors: Masayuki Haraguchi, Motonobu Matsuyama, Masaaki Ozawa, Misao Miyamoto
  • Patent number: 10214599
    Abstract: The invention relates to a novel method for the continuous production of anionic polymers by radical polymerization. The polymers produced by said method have a controlled molecular weight.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: February 26, 2019
    Assignee: COATEX
    Inventors: Jean-Marc Suau, Yves Matter, Dominique Peycelon, Jean-Luc Dubois
  • Patent number: 10218023
    Abstract: To provide a process for forming a polymer electrolyte membrane having good durability and few wrinkles, a polymer electrolyte membrane capable of forming a catalyst layer, or a catalyst layer; a process for producing a fluorinated ion exchange resin fluid, or a paste for forming a catalyst layer, which can be used for such a forming process; and a process for producing a membrane/electrode assembly for a polymer electrolyte fuel cell having good durability and power generation properties. A fluorinated ion exchange resin fluid obtained by subjecting a powder or pellets of a fluorinated ion exchange resin having cation exchange groups to hydrogen peroxide treatment, followed by mixing with a solvent, is used.
    Type: Grant
    Filed: October 18, 2016
    Date of Patent: February 26, 2019
    Assignee: AGC Inc.
    Inventors: Hirokazu Wakabayashi, Satoru Hommura, Takashi Saeki, Tetsuji Shimohira
  • Patent number: 10208147
    Abstract: This invention pertains to fluoroallylsulfonyl azide compounds of formula: CF2?CF—CF2—Rf—SO2N3 formula (I) wherein Rf is a divalent (per)fluorinated group, optionally comprising one or more than one ethereal oxygen atom [monomer (Az)], which are useful as functional monomers in fluoropolymers, to the fluoropolymers which comprise recurring units derived from such fluoroallylsulfonyl azide compounds, to a process for their manufacture, to a curable compound comprising the same and to a method for crosslinking the same.
    Type: Grant
    Filed: December 6, 2012
    Date of Patent: February 19, 2019
    Assignee: Solvay Specialty Polymers Italy S.P.A.
    Inventors: Ivan Wlassics, Vito Tortelli, Alessio Marrani
  • Patent number: 10202496
    Abstract: A production method of polyvinylidene fluoride resin particles comprising: (Process a1) a process to precipitate the polyvinylidene fluoride resin particles by adding a 100 mass % solution in total consisting of 75 to 99 mass % organic solvent, 1 to 25 mass % water and 0.5 to 15 mass % polyvinylidene fluoride resin to a poor solvent of the polyvinylidene fluoride resin; or (Process a2) a process to precipitate polyvinylidene fluoride resin particles by performing a flash-crystallization of the solution. With such a configuration, PVDF resin particles can be industrially produced by simple operations without using surfactant agent.
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: February 12, 2019
    Inventors: Toshiya Takahashi, Kei Makita, Naoki Matsuda, Koya Ito, Yoshinori Kondo, Yuji Echigo
  • Patent number: 10189926
    Abstract: The invention relates to a method for preparation of a polymer from monomers comprising polyvinylidene fluoride, trifluoroethylene and a third monomer, the method successively comprising: injection of all the monomers to react into a reactor; initiation of a polymerization of the monomers; a continuation step (a) of the polymerization of the monomers, during which a drop in pressure in the reactor is compensated.
    Type: Grant
    Filed: September 21, 2015
    Date of Patent: January 29, 2019
    Assignee: ARKEMA FRANCE
    Inventors: Fabrice Domingues Dos Santos, Thierry Lannuzel
  • Patent number: 10155857
    Abstract: The invention pertains to a thermoplastic fluoropolymer composition comprising: —at least one semi-crystalline polymer comprising recurring units derived from ethylene and at least one of chlorotrifluoroethylene (CTFE) and tetrafluoroethylene (TFE), said polymer having a heat of fusion of at most 35 J/g [polymer (A)]; and —from 0.05 to 5% by weight, based on weight of polymer (A), of particles of at least one inorganic UV blocker compound, said particles having an average particle size of 1 to 150 nm, said composition being suitable for manufacturing UV-opaque films having outstanding transparency and haze properties.
    Type: Grant
    Filed: September 12, 2016
    Date of Patent: December 18, 2018
    Inventors: Serena Carella, Mattia Bassi, Paolo Toniolo, Julio A. Abusleme, Stefano Mortara
  • Patent number: 10150113
    Abstract: A polymer and a method for preparing the same are provided. The polymer includes a first repeat unit and a second repeat unit. In particular, the first repeat unit is and, the second repeat unit is wherein R+ is A? is F?, Cl?, Br?, I?, OH?, HCO3?, HSO4?, SbF6?, BF4?, H2PO4?, H2PO3?, or H2PO2?; X is i and j are independently 0, or an integer from 1 to 4; Y is —O—, —S—, —CH2—, or —NH—; R1 is independently C1-8 alkyl group; and, R2 and R3 are hydrogen, or independently C1-8 alkyl group.
    Type: Grant
    Filed: April 22, 2016
    Date of Patent: December 11, 2018
    Inventors: Chiu-Tung Wang, Li-Duan Tsai, Cheng-Hsiu Tsai, Chiu-Hun Su, Ming-Chou Chen
  • Patent number: 10153506
    Abstract: An electrolyte membrane is prepared from a liquid composition comprising at least one member selected from the group consisting of trivalent cerium, tetravalent cerium, bivalent manganese and trivalent manganese; and a polymer with a cation-exchange group. The liquid composition is preferably one containing water, a carbonate of cerium or manganese, and a polymer with a cation-exchange group, and a cast film thereof is used as an electrolyte membrane to prepare a membrane-electrode assembly. The present invention successfully provides a membrane-electrode assembly for polymer electrolyte fuel cells being capable of generating the electric power in high energy efficiency, having high power generation performance regardless of the dew point of the feed gas, and being capable of stably generating the electric power over a long period of time.
    Type: Grant
    Filed: March 16, 2016
    Date of Patent: December 11, 2018
    Assignee: AGC INC.
    Inventors: Hisao Kawazoe, Eiji Endoh, Hideki Nakagawa, Shinji Terazono
  • Patent number: 10138312
    Abstract: To provide an inhibitor for inhibiting protein adhesion capable of easily forming a coating layer which is excellent in water resistance, from which coating components are less likely to be eluted, on which protein is less likely to be adsorbed and which is excellent in biocompatibility; a coating solution; a medical device having a coating layer employing this inhibitor for inhibiting protein adhesion; a method for producing the same; and a fluoropolymer to be used in this inhibitor for inhibiting protein adhesion. A compound for inhibiting protein adhesion comprising a fluoropolymer that has units having a biocompatible group, a fluorine atom content of from 5 to 60 mass % and a proportion P represented by the following formula of from 0.1 to 4.5%. (Proportion P)=((proportion (mass %) of units having a biocompatible group to all units of the fluoropolymer))/(fluorine atom content (mass %) of the fluoropolymer))×100.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: November 27, 2018
    Assignee: AGC Inc.
    Inventors: Ryohei Koguchi, Kyoko Yamamoto, Yuriko Kaida, Tohru Itoh, Aya Wada, Hajime Eguchi
  • Patent number: 10138311
    Abstract: Provided are a vinyl chloride-based copolymer, as a secondary particle in which primary particles are assembled, which may exhibit excellent mechanical properties and transparency as well as excellent plasticity by having an average pore diameter of 100 nm or less and a porosity of 40 vol % or less, including 65 wt % to 97 wt % of a vinyl chloride-based monomer-derived repeating unit; and 3 wt % to 35 wt % of cis and trans isomers of an unsaturated fatty acid ester-derived repeating units, and including the repeating units respectively derived from the cis and trans isomers of the unsaturated fatty acid ester in a weight ratio of 60:40 to 99:1, and a method of preparing the same.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: November 27, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Seong Yong Ahn, Kun Ji Kim, Se Woong Lee
  • Patent number: 10131843
    Abstract: The present invention relates to a vertical alignment layer including a cyclic olefin copolymer, and more specifically, the present invention relates to a vertical alignment layer capable of having alignment even in a low temperature process, and exhibiting excellent liquid crystal vertical alignment by including a cyclic olefin copolymer having a specific substituent.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: November 20, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Eun Seok Park, Jung Ha Park, Dai Seung Choi, Seung Yeon Hwang, Min Hyung Lee
  • Patent number: 10113023
    Abstract: Antistatic polymers include divalent segments having the formulas (I) and (II) and wherein R1 represents an alkyl group having from 1 to 18 carbon atoms, R2 and R3 represent alkyl groups having from 1 to 4 carbon atoms, R4 represents an alkylene group having from 2 to 8 carbon atoms, and R5 independently represents H or methyl. Methods of making antistatic polymers are also disclosed.
    Type: Grant
    Filed: December 8, 2015
    Date of Patent: October 30, 2018
    Assignee: 3M Innovative Properties Company
    Inventors: Yu Yang, Jason M. Kehren, Suresh S. Iyer, William M. Lamanna, Thomas P. Klun, Jeffrey A. Peterson
  • Patent number: 10106670
    Abstract: The present invention relates to a polymer resin composition including: a vinylidene fluoride-based polymer resin; and one or more types of nucleating agents selected from the group consisting of an organic phosphate and a C5-C15 bicycloalkane substituted with one or more carboxylic acid metal salt functional groups, and a polymer resin molded product prepared using the polymer resin composition.
    Type: Grant
    Filed: November 24, 2014
    Date of Patent: October 23, 2018
    Inventors: Jin Won Lee, Bum Jin Park
  • Patent number: 10106916
    Abstract: A fluoropolymer fiber exhibiting improved wear properties prepared from a blend of fluoropolymer particles and aluminum oxide particles. The concentration of aluminum oxide particles in the blend ranges from between about 0.1% to about 5%, with a specific concentration of 0.1% to 1.0%. The fluoropolymer fibers may be dispersion spun, melt spun or paste extruded.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: October 23, 2018
    Inventors: Chester Darryl Moon, Arthur Russell Nelson, Trevor Guldstrand, Matt Hutto
  • Patent number: 10096809
    Abstract: A method for manufacturing, a secondary battery separator including a porous resin film in which pores have three-dimensionally ordered structure and are in mutual communication via through-holes. The method includes: uniformly dispersing spherical microparticles having narrow particle size distribution in a dispersion medium to prepare a microparticles-dispersed slurry; drying slurry to obtain a spherical microparticles-dispersed film; heat-treating the film to form a microparticles-resin film in which the microparticles are regularly arrayed in three-dimensions in a resin matrix; and contacting the microparticles-resin film with an organic acid, water, an alkaline solution or an inorganic acid other than hydrofluoric acid to dissolve and remove the microparticles, or heating the microparticles-resin film to remove the microparticles, to form pores which are in mutual communication and regularly arrayed in the resin matrix.
    Type: Grant
    Filed: June 4, 2014
    Date of Patent: October 9, 2018
    Inventors: Kiyoshi Kanamura, Hirokazu Munakata, Kazuhiro Imazawa, Hiroyoshi Sago
  • Patent number: 10087307
    Abstract: Described are methods of making a curable fluoropolymer having repeating units derived from vinylidenfluoride (VDF) and at least one perfluorinated monomer selected from hexafluoropropene (HFP), tetrafluoroethene (TFE), a perfluorovinyl ether (PAVE), a perfluoroallylether (PAAVE) or a combination thereof. The method includes polymerizing the monomers in an aqueous medium in a radical reaction containing one or more reaction initiators, one or more chain transfer agent containing one or more halogens selected from iodine, bromine or a combination thereof and one or more non-fluorinated aliphatic polyhydroxy emulsifiers. The polymerization is carried out without adding a fluorinated emulsifier. Also provided are curable fluoropolymers obtainable by such methods and cured fluoropolymers obtainable by curing the curable fluoropolymers, and their applications.
    Type: Grant
    Filed: October 29, 2014
    Date of Patent: October 2, 2018
    Inventors: Kai Helmut Lochhaas, Klaus Hintzer, Tilman C. Zipplies, Harald Kaspar, Florian D. Jochum, Helmut Traunspurger, Arnd Kruz, Peter Bissinger
  • Patent number: 10087263
    Abstract: There is provided a curable composition including a water-soluble acrylamide monomer represented by the following General Formula (1-1) or (1-2), a polymer functional cured product, a water-soluble acrylamide compound, and a method for manufacturing the same. In General Formulas (1-1) and (1-2), m represents an integer of 2 or greater, and L represents an m-valent group or a single bond. Here, in a case where L is a single bond, m is 2. L1 and L2 each represent a single bond or a divalent linking group. R1 to R5 each represent a hydrogen atom or a substituent, and may be bonded to each other to form a ring, and may be bonded to L, L1, or L2 to form a ring. Either one of RA and RB represents a group represented by General Formula (a), and the other represents a group represented by General Formula (b).
    Type: Grant
    Filed: August 31, 2016
    Date of Patent: October 2, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Keisuke Kodama, Kuniyuki Kaminaga
  • Patent number: 10081744
    Abstract: Disclosed herein is an adhesive composition for an insulator, the adhesive composition including a copolymer formed by using at least one type of phenol-based monomer; at least one type of monomer that is polymerizable by an alkali salt; and at least one type of monomer that is polymerizable by a bisulfate.
    Type: Grant
    Filed: October 28, 2014
    Date of Patent: September 25, 2018
    Assignee: LG HAUSYS, LTD.
    Inventors: Ji-Mun Kim, Eung-Kee Lee, Chul-June Choi, Myeong-Hee Kim, Seung-Wook Ji, Byung-Joo Jeon