Patents Examined by Mark Kaucher
  • Method for producing acrylic polymer, acrylic polymer, and plastisol composition
    Patent number: 9738743
    Abstract: Disclosed is a method for producing a plastisol acrylic polymer which can have a satisfactory adhesion property even when the heating time is short and the heating temperature is low, and which has excellent storage stability. The method comprises (1) a step of polymerizing an acrylic monomer mixture (a) to produce a polymer (A) and (2) a step of polymerizing an acrylic monomer mixture (b) in a dispersion containing the polymer (A), wherein a monomer having a hydroxy group is contained in the acrylic monomer mixture (a), a monomer having an acetoacetyl group or a block isocyanate group is contained in the acrylic monomer mixture (b), and the dissolution parameter (SA) for the polymer (A) and the dissolution parameter (SB) for a polymer (B) produced by the polymerization of the acrylic monomer mixture (b) are different from each other.
    Type: Grant
    Filed: June 6, 2016
    Date of Patent: August 22, 2017
    Assignee: Mitsubishi Chemical Corporation
    Inventor: Toru Kondo
  • Polyimide precursor, polyimide, and coating solution for under layer film for image formation
    Patent number: 9732253
    Abstract: There is provided a polyimide precursor which can alter the hydrophilicity/hydrophobicity of the surface of a cured film formed readily even by a low level of ultraviolet ray irradiation; and a polyimide produced from the polyimide precursor. The polyimide precursor having a structure represented by the following formula (1): where A represents a tetravalent organic group; B represents a bivalent organic group having a thiol ester bond in its main chain; R1 and R2 independently represent a hydrogen atom or a univalent organic group; and n represents a natural number.
    Type: Grant
    Filed: February 7, 2014
    Date of Patent: August 15, 2017
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Shinichi Maeda, Yosuke Iinuma
  • PTFE material having an anti-corona effect
    Patent number: 9728299
    Abstract: The present invention provides a material based on high density polytetrafluoroethylene (PTFE) and its applications, such as in the production of electric cable. The PTFE material of the invention includes PTFE, a metal oxide, a lubricant and a wetting agent.
    Type: Grant
    Filed: June 30, 2011
    Date of Patent: August 8, 2017
    Assignee: PRODUITS PLASTIQUES PERFORMANTS HOLDING—3P HOLDING
    Inventors: David Cade, Emmanuel Garraud
  • Durable fuel cell membrane electrode assembly with combined additives
    Patent number: 9728801
    Abstract: A fuel cell membrane electrode assembly is provided comprising a polymer electrolyte membrane comprising a first polymer electrolyte and at least one manganese compound; and one or more electrode layers comprising a catalyst and at least one cerium compound. The membrane electrode assembly demonstrates an unexpected combination of durability and performance.
    Type: Grant
    Filed: April 13, 2015
    Date of Patent: August 8, 2017
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Daniel M. Pierpont, Steven J. Hamrock, Matthew H. Frey
  • Hexafluoropropylene oxide polymer compositions and a preparing method of hexafluoropropylene oxide polymer using hexafluoropropylene oligomer
    Patent number: 9725543
    Abstract: The present invention relates to hexafluoropropylene oxide polymer composition and a process of preparing ofhexafluoropropylene oxide polymer by an anionic polymerization, and in particular the hexafluoropropylene oxide polymer composition comprises an anionic initiator, a polar solvent, hexafluoropropylene and hexafluoropropylene oxide. The hexafluoropropylene oxide polymer is prepared under particular reaction conditions by using the composition, hexafluoropropylene oxide poylymer prepared by using the composition according to a preparation process herein has a weight average molecular weight (Mw) of 1,500-4,000 at ?10 to 20° C.
    Type: Grant
    Filed: November 13, 2014
    Date of Patent: August 8, 2017
    Assignee: Korea Research Institute of Chemical Technology
    Inventors: Soo-Bok Lee, In Jun Park, Jong-Wook Ha, Kwang Won Lee, Sang Goo Lee
  • Process for producing polytetrafluoroethylene molding powder and process for producing polytetrafluoroethylene agglomerated product
    Patent number: 9718930
    Abstract: To provide a process for producing a PTFE molding powder having a high bulk density from granular polymer particles without using an emulsifying agent having problems of bioaccumulation and toxicity. A process for producing a polytetrafluoroethylene molding powder, which comprises a step of suspension-polymerizing a monomer containing at least 99.8 mass % of tetrafluoroethylene in an aqueous medium to produce granular polymer particles and a step of milling the granular polymer particles, wherein the aqueous medium contains a compound represented by RF(OCF(X1)CF2)k-1OCF(X2)COO?M+, at a concentration of from 0.5 to 2,000 ppm. RF is a perfluorinated C1-10 monovalent organic group, X1 and X2 are fluorine atoms, etc., and M+ is an ammonium ion or the like.
    Type: Grant
    Filed: July 13, 2015
    Date of Patent: August 1, 2017
    Assignee: Asahi Glass Company, Limited
    Inventors: Shinya Higuchi, Masahiro Takazawa, Hiroki Nagai
  • Physically crosslinkable adhesive copolymer
    Patent number: 9714369
    Abstract: A polymerizable composition comprising a (meth)acrylate copolymer having pendent photoinitiator groups and a high Tg monomer or macromer is described. The resulting copolymer is physically crosslinking and is of the formula I: (I).
    Type: Grant
    Filed: April 17, 2015
    Date of Patent: July 25, 2017
    Assignee: 3M Innovative Properties Company
    Inventors: Hae-Seung Lee, Stefan H. Gryska, Babu N. Gaddam
  • Method for producing fluorinated copolymer latex, fluorinated copolymer latex, binder for producing electrode, electrode mixture for storage battery device, and electrode for storage battery device
    Patent number: 9714336
    Abstract: To produce a method for producing a fluorinated copolymer latex with a low content of metal components and with favorable stability of the latex even with a low content of an organic solvent. A method for producing a fluorinated copolymer latex, which comprises emulsion-polymerizing a monomer mixture containing tetrafluoroethylene and propylene in the presence of an aqueous medium, an anionic emulsifying agent and a thermally decomposable radical polymerization initiator at a polymerization temperature within a range of from 50° C. to 100° C., wherein the aqueous medium comprises water alone, or water and a water-soluble organic solvent, and the content of the water-soluble organic solvent is less than 1 part by mass per 100 parts by mass of water; and the amount of use of the anionic emulsifying agent is from 1.5 to 5.0 parts by mass per 100 parts by mass of the fluorinated copolymer to be formed.
    Type: Grant
    Filed: May 20, 2016
    Date of Patent: July 25, 2017
    Assignee: Asahi Glass Company, Limited
    Inventors: Mizuna Narumi, Takehiro Kose, Hiroki Nagai
  • Superacid functional compounds
    Patent number: 9708254
    Abstract: The invention relates to a novel synthesis method for forming superacid functional molecules that include monomers, as well as new polymers and copolymers formed from the monomers, and uses for these superacid molecules, polymers, and copolymers. The superacid molecules have an alpha, alpha-difluorosulfonic acid functionality that can be obtained by a reaction between various Grignard reagents and an alkyl(2-fluorosulfonyl)-1,1-difluoroacetate, such as methyl (2-fluorosulfonyl-1,1-difluoroacetate. The molecules, polymers and copolymers would be expected to have enhanced ion conductivity, and would be useful in a variety of applications, including as ion-conductive materials, surfactants, and ion exchange resins.
    Type: Grant
    Filed: August 1, 2011
    Date of Patent: July 18, 2017
    Assignee: Arkema Inc.
    Inventors: James T. Goldbach, Xiaobo Wan, David A. Mountz
  • Heterogeneous catalysts for NMR/MRI enhancement via signal amplification by reversible exchange (SABRE)
    Patent number: 9707550
    Abstract: Heterogeneous iridium catalysts for nuclear spin polarization enhancement in solution via signal amplification by reversible exchange are provided. Also provided are methods for preparing heterogeneous iridium catalysts, and methods of using heterogeneous iridium catalysts for nuclear spin polarization enhancement in solution via signal amplification by reversible exchange.
    Type: Grant
    Filed: July 16, 2015
    Date of Patent: July 18, 2017
    Assignees: Vanderbilt University, Board of Trustees of Southern Illinois Univeristy
    Inventors: Boyd M. Goodson, Eduard Y. Chekmenev, Fan Shi, Aaron M. Coffey
  • Tie-layer adhesives for styrene polymers and articles
    Patent number: 9708512
    Abstract: Adhesive compositions for styrene polymers are provided. The adhesives are suitable for use as tie-layers in multi-layer films and sheets and comprise a polyolefin base resin, a functionalized polyolefin and a combination of styrene triblock copolymers.
    Type: Grant
    Filed: April 7, 2016
    Date of Patent: July 18, 2017
    Assignee: Equistar Chemicals, LP
    Inventor: Maged G Botros
  • Low equivalent weight polymers
    Patent number: 9711816
    Abstract: Described herein is a composition comprising: a polymer derived from (a) a fluorinated olefin monomer; (b) a highly fluorinated sulfur-containing monomer of the formula: CX1X2?CX3[(CX4X5)w—O—R1—SO2Y] where X1, X2, X3, X4, and X5 are independently selected from H, Cl, or F; w is 0 or 1; R1 is a non-fluorinated or fluorinated alkylene group; and Y is selected from F, Cl, Br, I, or OM, where M is a cation; and (c) a polyfunctional monomer comprising at least two functional groups, wherein the functional groups are selected from the group consisting of: (i) a fluorovinyl ether group, (ii) a fluoroallyl ether group, (iii) a fluorinated olefinic group, and (iv) combinations thereof; articles thereof; and a method of making such polymers.
    Type: Grant
    Filed: July 27, 2012
    Date of Patent: July 18, 2017
    Assignee: 3M Innovative Properties Company
    Inventors: Kai H. Lochhaas, Steven J. Hamrock, Klaus Hintzer
  • Water flux polymer membranes
    Patent number: 9707524
    Abstract: The invention relates to a polymer membrane composition having improved water flux and stable pore size. The water flux is improved by increasing the hydrophilicity of the membrane using a matrix polymer blended with controlled architecture amphiphilic block copolymers. Preferred membranes are those having a fluoropolymer matrix and acrylic amphiphilic block copolymers. The addition of the amphiphilic block copolymers are especially useful in microfiltration and ultra filtration membranes when used in water filtration.
    Type: Grant
    Filed: October 9, 2009
    Date of Patent: July 18, 2017
    Assignee: Arkema Inc.
    Inventors: Walter Kosar, Noah E. Macy, Scott C. Schmidt, Jason S. Ness, Jennifer Biscarat
  • Phenol crosslink for sensor membrane
    Patent number: 9700851
    Abstract: Embodiments herein provide a membrane that is a product of a phenol crosslinked with one or more compounds containing an allyl group. The phenol may be electropolymerized with the allyl-containing compounds to form the crosslinked polymer. Suitable allyl-containing compounds include allylphenol, allylalcohol, allylamine, and allylcarbamide. A membrane may have one type of allyl-containing compound, or, alternatively, two or more types of compounds. As used in an analyte sensing device, a membrane formed from a crosslinked phenol may provide improved interference exclusion, peroxide response, stability, and/or solvent resistance.
    Type: Grant
    Filed: May 13, 2011
    Date of Patent: July 11, 2017
    Assignee: Waveform Technologies, Inc.
    Inventors: Yuan Wang, Raeanne Gifford
  • Hydrophobic nanostructured thin films
    Patent number: 9701865
    Abstract: Provided herein are the polymers shown below. The value n is a positive integer. R1 is an organic group, and each R2 is H or a chemisorbed group, with at least one R2 being a chemisorbed group. The polymer may be a nanostructured film. Also provided herein is a method of: converting a di-p-xylylene paracyclophane dimer to a reactive vapor of monomers; depositing the reactive vapor onto a substrate held at an angle relative to the vapor flux to form nanostructured poly(p-xylylene) film; reacting the film with an agent to form hydrogen atoms that are reactive with a precursor of a chemisorbed group, if the film does not contain the hydrogen atoms; and reacting the hydrogen atoms with the precursor. Also provided herein is a device having a nanostructured poly(p-xylylene) film on a pivotable substrate. The film has directional hydrophobic or oleophobic properties and directional adhesive properties.
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: July 11, 2017
    Assignee: The United States of America, as represented by the Secretary of the Navy
    Inventors: Walter J. Dressick, Melik C. Demirel
  • Toughness modifier for curable resin, and curable resin composition
    Patent number: 9701822
    Abstract: Provided are a toughness modifier for a curable resin which has good dispersibility in a curable resin containing a thermoplastic resin as well as in a cured product formed from a curable resin composition, and also has an excellent toughness-improving effect; and a curable resin composition containing the toughness modifier. The toughness modifier for a curable resin (D) is obtained by emulsion-polymerizing 5 to 50% by mass of a vinyl monomer (B) in the presence of 50 to 95% by mass of a rubber polymer (A) latex (calculated as the rubber polymer component) using 0.5 to 15 parts by mass of a nonionic reactive surfactant (C) (relative to 100 parts by mass of a total of (A) and (B)).
    Type: Grant
    Filed: February 5, 2013
    Date of Patent: July 11, 2017
    Assignee: KANEKA CORPORATION
    Inventors: Shuji Taketani, Yoshio Furukawa
  • Amide-linked perfluoropolyether thiol compounds and processes for their preparation and use
    Patent number: 9688649
    Abstract: A perfluoropolyether thiol compound comprises a perfluoropolyether segment, at least one mercapto group (—SH), and at least one intervening divalent carbonylimino moiety (—C(?O)—NR—, wherein R is hydrogen or alkyl). The compound can be produced, for example, by a ring-opening reaction of thiolactones with perfluoropolyether-substituted, primary or secondary amines. The compound can be used, for example, as a polymerization chain transfer agent, as an intermediate for the preparation of functional group-containing fluorochemical derivatives such as disulfides, and as a fluorinated surface treatment.
    Type: Grant
    Filed: October 30, 2014
    Date of Patent: June 27, 2017
    Assignee: 3M Innovative Properties Company
    Inventors: Suresh S. Iyer, Mark J. Pellerite, Chetan P. Jariwala
  • Devices having dielectric layers with thiosulfate-containing polymers
    Patent number: 9691997
    Abstract: A semiconductor device can be prepared with a gate dielectric layer that comprises: (1) a photochemically or thermally crosslinked product of a photocurable or thermally curable thiosulfate-containing polymer that has a Tg of at least 50° C. and that comprises: an organic polymer backbone comprising (a) recurring units comprising pendant thiosulfate groups; and further comprises charge balancing cations, and (2) optionally, an electron-accepting photosensitizer component.
    Type: Grant
    Filed: June 11, 2014
    Date of Patent: June 27, 2017
    Assignee: EASTMAN KODAK COMPANY
    Inventors: Deepak Shukla, Kevin M. Donovan
  • Hyperbranched fluoroelastomer additive
    Patent number: 9688786
    Abstract: The invention pertains to a hyperbranched (per)fluoroelastomer [fluoroelastomer (B)] comprising recurring units derived from a bis-olefin [bis-olefin (OF)] having general formula (I): wherein R1, R2, R3, R4, R5 and R6, equal or different from each other, are H or C1-C5 alkyl; Z is a linear or branched C1-C18 alkylene or cycloalkylene radical, optionally containing oxygen atoms, preferably at least partially fluorinated, or a (per)fluoropolyoxyalkylene radical, said fluoroelastomer (B) having a slope in G? curve such that the ratio: G?100/G?0.01 is of less than 10, when determined at 260° C. according to ASTM D4440 standard, wherein G?100 is the storage modulus at a shear rate of 100 rad/sec and G?0.01 is the storage modulus at a shear rate of 0.01 rad/sec, to compositions comprising the same, and to a process for their manufacture.
    Type: Grant
    Filed: June 7, 2012
    Date of Patent: June 27, 2017
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Matteo Fantoni, Giovanni Comino, Marco Apostolo
  • High melting PTFE polymers for melt-processing
    Patent number: 9688796
    Abstract: Provided are a tetrafluoroethylene copolymers having a melting point of at least 317° C., a melt flow index (MFI) at 372° C. and a 5 kg load (MFI 372/5) of from about 0.60 g/10 min up to about 15 g/10 min. Also provided are methods of forming a shaped article using the copolymers described above, shaped articles made with those copolymers and compositions containing such copolymers.
    Type: Grant
    Filed: October 20, 2015
    Date of Patent: June 27, 2017
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Klaus Hintzer, Harald Kaspar, Ludwig Mayer, Tilman C. Zipplies