Patents Examined by Olga Asinovsky
  • Binder resin solution composition, coatings, inks, adhesives and primers
    Patent number: 7019080
    Abstract: The present invention provides a binder resin solution composition, and a coating, ink, and adhesive containing the composition as an active ingredient, the binder resin solution composition having a solid content of 10 to 50 wt. % and comprising (a) a chlorinated polyolefin prepared by chlorinating an isotactic polypropylene polymer having a molecular weight distribution of no more than 3 and a melting point measured by a differential scanning calorimeter of 110 to 140° C. to a chlorine content of 10 to 40 wt. % and, (b) an organic solvent.
    Type: Grant
    Filed: June 26, 2002
    Date of Patent: March 28, 2006
    Assignees: Toyo Kasei Kogyo Company Limited, Mitsui Chemicals, Inc.
    Inventors: Kenji Kashihara, Tetsuji Nishioka, Tatsuo Tsuneka, Shoji Maekawa, Isao Wada
  • Alkali-stable hydrophilic sorbents for ion-exchange chromatography
    Patent number: 7015281
    Abstract: The invention concerns alkali-stable hydrophilic sorbents for ion-exchange chromatography. The invention is characterized in that it consists in using as base material a crosslinked vinyl polymerconsisting of vinyl monomers containing diol groups and crosslinking monomers whereof the polymerizable groups are bound by carbonamide-containing chains. Monomers containing ionic groups are grafted on said base material using cerium (IV) salts.
    Type: Grant
    Filed: September 9, 2002
    Date of Patent: March 21, 2006
    Assignee: Merck Patent GmbH
    Inventors: Lothar Britsch, Karl-Heinz Derwenskus
  • Cleaving and replacing thio control agent moieties from polymers made by living-type free radical polymerization
    Patent number: 7012119
    Abstract: A method of free radical polymerization and for cleaving a thio group from the resulting polymer is provided. The method comprises forming a mixture of one or more monomers, at least one free radical source and a control agent, wherein the control agent comprises a thio moiety. The mixture is polymerized, and the resulting polymer is mixed with a free radical source, and optionally an addition fragmentation agent under cleavage conditions. The thio moiety on the polymer is replaced with a group of interest.
    Type: Grant
    Filed: April 3, 2003
    Date of Patent: March 14, 2006
    Assignee: Symyx Technologies, Inc.
    Inventors: Dominique Charmot, Han Ting Chang, Wenyue Wang, Marcelo Piotti
  • Photopolymerizable compositions and flexographic plates prepared from controlled distribution block copolymers
    Patent number: 7012118
    Abstract: The present invention relates to a photopolymerizable composition, which comprises: (a) a block copolymer component comprising an unhydrogenated styrene diene block copolymer and a hydrogenated controlled distribution styrene diene block copolymer (b) one or more photopolymerizable ethylenically unsaturated low molecular weight compounds, (c) one or more polymerization initiators, and optionally (d) from 0 to 40% by weight, based on the total photopolymerizable compositions, of one or more auxiliaries. The invention also includes flexographic printing plates derived from said photopolymerizable compositions, and flexographic printing relief forms prepared from said plates.
    Type: Grant
    Filed: October 8, 2003
    Date of Patent: March 14, 2006
    Assignee: KRATON Polymers U.S. LLC
    Inventors: David Romme Hansen, David John St. Clair, Donn Anthony Dubois, Dale Lee Handlin, Jr., Carl Lesley Willis
  • Coupled styrenic block copolymers and process for preparing same
    Patent number: 7009000
    Abstract: Disclosed is an improvement to a process for preparing coupled styrenic block copolymers wherein adding from about 0.01 to about 1.5 equivalents of a metal alkyl compound per equivalent of living polymer chain ends to the cement, during or after polymerization, improves coupling efficiencies. The resultant radial styrenic block copolymers have reduced amounts of 5+ arm oligomers which can be very desirable is certain applications, such as the modification of bitumen.
    Type: Grant
    Filed: July 11, 2003
    Date of Patent: March 7, 2006
    Assignee: Kraton Polymers U.S. LLC
    Inventors: Robert Bening, Harvey Atwood, Marinus Pieter van Dijk, Adriana Maria Petronella Ros, Barry Moore, Carl Willis, Nikolaas Jan van Dijk
  • Aqueous dispersions of comb copolymers and coatings produced therefrom
    Patent number: 7001949
    Abstract: An aqueous coating composition comprising a comb copolymer is disclosed. A method of forming a coating from the aqueous coating composition, and a coating formed by that method are also disclosed, as is a method of forming the comb copolymer. The comb copolymer is characterized in that aqueous dispersions of the comb copolymer have a Hard/Soft Balance Advantage value of at least 25%. The aqueous coating composition is capable of producing coatings having an excellent balance of hard and soft properties.
    Type: Grant
    Filed: September 13, 2001
    Date of Patent: February 21, 2006
    Assignee: Rohm and Haas Company
    Inventors: David M. Fasano, Karl A. Bromm, Willie Lau, Jack C. Thibeault, David A. Larson, Paul R. Van Rheenen
  • Ophthalmic lenses and compositions and methods for producing same
    Patent number: 6992118
    Abstract: Ophthalmic lenses, such as corneal contact lenses, include a lens body made of a composition including a lens body made of a composition including a first crosslinked polymer material which is water swellable, and a second polymeric material, other than the first material, selected from water soluble polymeric materials, water swellable polymeric materials and mixtures thereof. The second material is physically immobilized by the first material. Such lenses provide increased water retention and/or increased water content and/or increased modulus and/or reduced friction which increases lens wearer comfort. Compositions and methods for providing such lenses and compositions are also provided.
    Type: Grant
    Filed: September 8, 2003
    Date of Patent: January 31, 2006
    Assignee: Cooper Vision Inc.
    Inventors: Jiri Sulc, Zuzana Krcova
  • Curable unsaturated resin composition
    Patent number: 6992140
    Abstract: The present invention provides a curable unsaturated resin composition, which has less odor characteristics and high safety and is also superior in thin film coating characteristics in a coating film. The curable unsaturated resin composition contains a polymerizable unsaturated resin (A) having two or more polymerizable unsaturated double bonds in a molecule, a hydroxyalkyl (meth)acrylate (B), and an unsaturated compound (C) having one or more cyclohexene rings and two or more allyl ether groups in a molecule, which is liquid at normal temperature.
    Type: Grant
    Filed: May 17, 2002
    Date of Patent: January 31, 2006
    Assignee: Dainippon Ink and Chemicals, Inc.
    Inventors: Makoto Kosono, Katsuhiro Doi, Koji Kirisawa, Youko Kawasaki
  • Transparent block copolymers and production thereof
    Patent number: 6992136
    Abstract: The invention relates to a novel transparent block copolymer and its process for the manufacture. The process comprises a first partial killing of at least the living copolymeric species R-S1-B1-M with a multi-functional deactivation agent where S1 is a monovinyl-substituted aromatic homopolymer, B1, is a conjugated diene homopolymer, M is an alkali metal and R is an alkyl (RM being an initiator) and further comprises a second total deactivation of at least the living tapered block copolymeric species R-S1-B1-B2/S2-M (obtained by adding a feed B2/S2 to the reaction medium) by a mono-functional deactivation agent (the terminating agent).
    Type: Grant
    Filed: October 9, 2003
    Date of Patent: January 31, 2006
    Assignee: Atofina Research
    Inventors: Thierry Coupin, Jean Philippe Hallet
  • Low dielectric constant materials with improved thermo-mechanical strength and processability
    Patent number: 6987147
    Abstract: A polymeric network comprises a plurality of monomers that include a cage compound with at least three arms, wherein at least one of the arms has two or more branches, and wherein each of the branches further comprises a reactive group. Monomers in contemplated polymeric networks are covalently coupled to each other via the reactive groups. Particularly contemplated cage compounds include adamantane and diamantane, and especially contemplated branched arms comprise ortho-bis(phenylethynyl)phenyl. Especially contemplated polymeric networks have a dielectric constant of no more than 3.0, and are formed on the surface of a substrate.
    Type: Grant
    Filed: October 1, 2002
    Date of Patent: January 17, 2006
    Assignee: Honeywell International Inc.
    Inventors: Kreisler Lau, Bo Li, Boris Korolev, Edward Sullivan, Ruslan Zherebin
  • Hetero-branched radial polystyrene-polyisoprene block copolymer composition and preparation method thereof
    Patent number: 6987145
    Abstract: Disclosed is a hetero-branched radial block copolymer suitable as a base polymer of pressure-sensitive adhesives, the hetero-branched radial block having a hetero-branched structure comprised of polystyrene, polyisoprene, and polybutadiene blocks and being represented by (pS-pI)3X-(pB-pI-pS) wherein pS is polystyrene; pI is polyisoprene; pB is polybutadiene; and X is a residue of a tetravalent coupling agent.
    Type: Grant
    Filed: December 15, 2003
    Date of Patent: January 17, 2006
    Assignee: Korea Kumho Petrochemical Co., Ltd.
    Inventors: Sam-Min Kim, Dai-Seung Choi, Jong-Geun Kim, Hak-Kyung Kim, Tae-Yi Kang
  • Cure system for polyisoprene rubber
    Patent number: 6972309
    Abstract: The present invention is based upon the unexpected finding that polyisoprene rubber which is clear and of high purity can be cured utilizing the curative system of this invention to attain an elongation at break of greater than 1200% without compromising the clarity or purity of the rubber. The curative system of this invention is comprised of a carbonyl inhibited platinum catalyst, and a branched crosslinking agent having at least 2 hydrosilyl groups per molecule. The curative system of this invention can be used to cure solid polyisoprene rubber that is used in a wide variety of application and is a particular value in curing polyisoprene rubber used in manufacturing sporting goods, healthcare, and medical products.
    Type: Grant
    Filed: June 17, 2004
    Date of Patent: December 6, 2005
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Lawson Gibson Wideman, Vanessa Marika Guscoff, Michael Joseph Rachita
  • Stable free radical polymers
    Patent number: 6967228
    Abstract: A functional polymer having at least one substituent capable of forming a stable free radical is formed by polymerizing a diene monomer, such as butadiene, to form a first polymer block of the functional polymer. The first polymer block has a weight average molecular weight of less than 150,000. A vinyl aromatic monomer, such as styrene, is polymerized to form at least a second polymer block of the functional polymer. The copolymer is contacted with a stable free radical providing compound to form the functional polymer. By adding sufficient vinyl aromatic monomer, a low molecular weight functional rubber polymer can be rendered processable at ambient temperatures, while maintaining a solution viscosity which is suited to subsequent free radical catalyzation of vinyl aromatic monomers.
    Type: Grant
    Filed: May 1, 2003
    Date of Patent: November 22, 2005
    Assignee: Firestone Polymers, LLC
    Inventors: Mark N. DeDecker, Daniel F. Graves
  • Pentablock copolymer and manufacturing method of the same
    Patent number: 6964996
    Abstract: The present invention relates to a ternary copolymer represented by the following formula (1) of the penta-block structure, wherein the molecular weight is 50, 000 to 400,000, pB is more than 70% of 1,4 structure, the content of pS is in range of 5% to 50%, and pB and pI are in a weight ratio of pB/pI?1. pS-pI-pB-pI-pS??(1) Wherein, pS is vinyl aromatic polymer, pB is polybutadiene and pI is polyisoprene. The block copolymer in the present invention with the structure, in which polyisoprene block is inserted between vinyl aromatic polymer block and polybutadiene block, has high mechanical properties such as tensile strength. The manufacturing method of the ternary block copolymer with penta-block structure is also provided.
    Type: Grant
    Filed: July 22, 2003
    Date of Patent: November 15, 2005
    Assignee: Korea Kumho Petrochemical Co., Ltd.
    Inventors: Kwanyoung Lee, Young Jin Kim, Jong Kim
  • Single ion conductor cross-linked polymeric networks
    Patent number: 6956083
    Abstract: Single ion conductors comprising polymer electrolytes prepared by grafting a salt compound onto a comb-branch polymer or dendrimer are disclosed having superior properties.
    Type: Grant
    Filed: May 31, 2002
    Date of Patent: October 18, 2005
    Assignee: The Regents of the University of California
    Inventors: John Borland Kerr, Shanger Wang, Yong Bong Han, Gao Liu, Jun Hou, Steven Edward Sloop
  • ABS compositions with improved property combinations
    Patent number: 6951903
    Abstract: A thermoplastic molding composition that features a combination of extremely good toughness, good processability, adjustable surface gloss, good inherent color and reduced opacity is disclosed. The composition contains A) a graft rubber that is the product of free-radical emulsion polymerization using a peroxodisulfate initiator, B) a graft rubber that is the product of free-radical emulsion polymerization using an azo compound initiator and C) a graft polymer that is the product of solution, bulk or suspension polymerization.
    Type: Grant
    Filed: September 13, 2002
    Date of Patent: October 4, 2005
    Assignee: Bayer Aktiengesellschaft
    Inventor: Herbert Eichenauer
  • Thermoplastic resin composition and its molded articles
    Patent number: 6949607
    Abstract: Thermoplastic resin compositions containing a rubber-reinforced thermoplastic resin (A) obtained by graft polymerizing a monomeric mixture (b) in the presence of a rubber-like polymer (a), and a copolymer (B) obtained by polymerizing an aromatic vinyl compound, a vinyl cyanide compound and optionally other copolymerizable monomeric compound(s), which copolymer (B) being a mixture of a copolymer (B1) having Mw of 50,000 to 110,000 and a copolymer (B2) having Mw of 115,000 to 400,000. The content of the rubber-like polymer (a) content in the rubber-reinforced thermoplastic resin (A) is 10 to 25% by weight, the vinyl cyanide monomeric unit in the acetone soluble matter is 15 to 40% by weight, and the ratios of Mw to Mn and MZ to Mn of the acetone soluble matter being 2 to 5 and 5 to 11, respectively.
    Type: Grant
    Filed: May 13, 2003
    Date of Patent: September 27, 2005
    Assignee: Techno Polymer Co., Ltd.
    Inventors: Tadashi Nagahara, Masanori Suzuki, Kazuki Iwai
  • Heterobifunctional monomers and uses therefor
    Patent number: 6946523
    Abstract: In accordance with the present invention, there are provided novel heterobifunctional monomers and users for the same. Invention compounds have many of the properties required by the microelectronics industry, such as, for example, hydrophobicity, high Tg values, low dielectric constant, ionic purity, low coefficient of thermal expansion (CTE), and the like. These properties result in a thermoset that is particularly well suited to high performance applications where typical operating temperatures are often significantly higher than those at which prior art materials were suitable. Invention compounds are particularly ideal for use in the manufacture of electronic components, such as, for example, printed circuit boards, and the like.
    Type: Grant
    Filed: July 1, 2003
    Date of Patent: September 20, 2005
    Assignee: Henkel Corporation
    Inventors: Stephen M. Dershem, Kevin J. Forrestal, Puwei Liu
  • Star block copolymers comprising polyisobutylene-B-polyacrylonitrile arms radiating from an aromatic core
    Patent number: 6930151
    Abstract: Block copolymers and star polymers having copolymer arms of PIB-PAN have been synthesized via living carbocationic polymerization and atom transfer radical polymerization in a methylene chloride/cyclohexanone solvent system.
    Type: Grant
    Filed: April 3, 2003
    Date of Patent: August 16, 2005
    Assignee: University of Akron
    Inventors: Joseph P. Kennedy, Zheng Fang, Ahmed F. Moustafa
  • Production of maleic anhydride modified butyl rubber and use thereof
    Patent number: 6930153
    Abstract: A method for producing maleic anhydride modified butyl rubber comprising reacting a halogenated butyl rubber with maleic anhydride in the presence of (i) an acid acceptor and (ii) a monofunctional hindered amine and/or monofunctional hindered phenol; which is useful for further, modifying by a nitrogen-containing heterocyclic compound to form the modified butyl rubber having the improved processability.
    Type: Grant
    Filed: June 19, 2003
    Date of Patent: August 16, 2005
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventor: Makoto Ashiura