Patents Examined by Jeffrey S Lenihan
  • Patent number: 10414928
    Abstract: An ink composition includes water, a co-solvent, a colorant, and a modified polymer or copolymer additive. The modified polymer or copolymer additive is selected from the group consisting of i) a hydrolyzed poly(isobutylene-alt-maleic anhydride), ii) a hydrolyzed poly(maleic anhydride-alt-1-octadecene), and iii) a modified polymer or copolymer. The modified polymer or copolymer includes a repeating unit of a backbone chain, and a long chain pendant group attached to a carbon atom of the repeating unit. In the backbone chain, the long chain pendant group of the repeating unit is separated by fewer than 8 spacer carbon atoms from another long chain pendant group of an adjacent repeating unit.
    Type: Grant
    Filed: January 30, 2015
    Date of Patent: September 17, 2019
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Sundar Vasudevan, Natalie Harvey, Richard J. McManus, Vladimir Jakubek
  • Patent number: 10414876
    Abstract: Disclosed are a method of preparing a superabsorbent polymer that includes a fine-powder regranulate and has improved properties owing to the use of an additive, and a superabsorbent polymer prepared thereby, wherein the superabsorbent polymer can exhibit improved properties, including high centrifugal retention capacity (CRC) and fine-powder agglomeration strength, without decreasing absorption under pressure (AUP) or permeability, compared to when no additive is used during the formation of a fine-powder regranulate, and furthermore, the fine powder is recycled, thus reducing processing costs, thereby generating economic benefits.
    Type: Grant
    Filed: April 12, 2016
    Date of Patent: September 17, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Min-Seok Jang, Young Sam Kim
  • Patent number: 10400056
    Abstract: A method for the preparation of block copolymers including at least one high vinyl segment, the method comprising (i) charging into a reactor a diene monomer in a hydrocarbon solvent, a catalytically effective amount of anionic initiator, and an oligomeric oxolanyl propane, whereby the reactor is optionally cooled; (ii) allowing the diene monomer to polymerize at a peak polymerization temperature of at least about 18° C. and less than about 60° C. to form a first block where the vinyl content is at least about 50 percent by weight; (iii) after step (ii), charging into the reactor a vinyl aromatic monomer, whereby the reactor is optionally heated to a temperature up to about 60° C.; (iv) allowing the vinyl aromatic monomer to polymerize to form a second block; and (v) optionally charging into the reactor a quenching agent.
    Type: Grant
    Filed: June 14, 2018
    Date of Patent: September 3, 2019
    Assignee: Firestone Polymers, LLC
    Inventors: Christine M. Rademacher, Daniel F. Graves
  • Patent number: 10392460
    Abstract: The present invention provides a process of producing a modified polymer composition, which composition comprises a free-radical polymeriseable monomer grafted to a polyolefin backbone. The process comprises contacting, in an extruder, an olefin polymer and the free-radical polymeriseable monomer in the presence of a stable radical in an extruder and extruding the composition.
    Type: Grant
    Filed: September 11, 2015
    Date of Patent: August 27, 2019
    Assignee: BOREALIS AG
    Inventors: Ricardo Godoy-Lopez, Floran Prades, Anh Tuan Tran
  • Patent number: 10392541
    Abstract: The present invention provides a hot melt adhesive which is excellent in environmental friendliness, thermal stability, adhesion to a polyolefin substrate and a polyester substrate, and heat resistance. The present invention relates to a hot melt adhesive comprising (A) a polar functional group-modified conjugated diene-based polymer, (B) an aliphatic polyester-based resin, (C) an amorphous olefin-based polymer, (D) a crystalline polypropylene resin, and (E) a tackifier resin.
    Type: Grant
    Filed: April 22, 2016
    Date of Patent: August 27, 2019
    Assignee: Henkel AG & Co. KGaA
    Inventors: Makoto Takenaka, Tadashi Hayakawa
  • Patent number: 10385201
    Abstract: A resin composite that excels in weatherability and transparency and experiences less bleed out and whitening at a high temperature, and a method for producing the resin composite, and the like are provided. Specifically, the resin composite includes: a methacrylic resin (A) that contains a structural unit derived from methyl methacrylate and that has a melt viscosity ?(A) of 1,500 to 3,500 Pa·s; and a block copolymer (B) in which a methacrylic acid ester polymer block (b2) is coupled to an acrylic acid ester polymer block (b1). The block copolymer (B) has a melt viscosity ?(B) of 75 to 1,500 Pa·s. A ratio ?(A)/?(B) is from 1 to 20. 0.1 to 3 parts by mass of a hydroxy phenyl triazine-based UV absorber is contained in 100 parts by mass of the total of the methacrylic resin (A) and the block copolymer (B).
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: August 20, 2019
    Assignee: KURARAY CO., LTD.
    Inventors: Jumpei Kodera, Kaori Maeda, Noboru Higashida
  • Patent number: 10370482
    Abstract: A lactam-functionalized polymer is disclosed. The lactam-functionalized polymer includes lactam-functionalized polyacetal polyether, polyhemiaminal polyether or polyaminal polyether. The applications of the lactam-functionalized polymer are also disclosed.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: August 6, 2019
    Assignee: HERCULES LLC
    Inventors: Kelly A. Brush, Todd A. Brugel
  • Patent number: 10364380
    Abstract: The present invention provides an adhesive composition for optical use, which includes rubber and may be chemically cross-linked through an appropriate curing process, and as a result, may secure excellent long-term durability, water vapor transmission resistance, and chemical resistance, and includes an isobutylene-isoprene rubber having an acrylic acid ester-based functional group in a main chain thereof, a photoinitiator, and a tackifier in order to provide optical characteristics sufficient to be used for optical use. The present invention provides a method for preparing the adhesive composition for optical use, and it is possible to obtain the adhesive composition for optical use, which includes a chemically cross-linkable rubber by the method. Further, the present invention provides an adhesive film for optical use, and excellent long-term durability and optical characteristics may be implemented by applying the adhesive film for optical use to a wide range of electronic devices.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: July 30, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Kwang Su Seo, Eun Kyung Park, Seung Won Lee, Jang Soon Kim, Won Gu Choi, Tae Yi Choi
  • Patent number: 10358574
    Abstract: An aqueous coating composition comprising at least 0.5 wt % of a lactam-functionalized polymer is disclosed. The lactam-functionalized polymer includes lactam-functionalized polyacetal polyether, polyhemiaminal polyether or polyaminal polyether. The aqueous coating composition can increase an open time of a water-borne latex paint. A method of increasing an open time for an aqueous coating composition of a water-borne latex paint using the lactam-functionalized polymer is also disclosed.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: July 23, 2019
    Assignee: HERCULES LLC
    Inventors: Kelly A. Brush, Zeena Kottukapally Cherian, Venkataram Krishnan, Sowmitri Tarimala
  • Patent number: 10351475
    Abstract: The asphalt composition of the present invention is an asphalt composition comprising 1% to 15% by mass of a block copolymer (a) and an asphalt (c), wherein the block copolymer (a) comprises a specific block copolymer (a-1) and a specific block copolymer (a-2) in specific amounts, wherein the content of a vinyl aromatic monomer unit in the block copolymer (a) is 34% by mass or more and 55% by mass or less, the number average molecular weight of the block copolymer (a-1) is in the range of 20,000 to 73,000, and the number average molecular weight of the block copolymer (a-2) is 1.5 to 5.0 times higher than the number average molecular weight of the block copolymer (a-1).
    Type: Grant
    Filed: May 27, 2015
    Date of Patent: July 16, 2019
    Assignee: Asahi Kasei Kabushiki Kaisha
    Inventor: Yoshifumi Araki
  • Patent number: 10342808
    Abstract: A rocuronium bromide injection solution-prefilled syringe of the present invention includes a syringe comprising an outer cylinder made of synthetic resin, a gasket which is accommodated inside the outer cylinder and liquid-tightly slidable inside the outer cylinder, and a seal member for sealing a distal end opening of the outer cylinder; and a rocuronium bromide injection solution filled inside the syringe. The gasket is formed by vulcanized chlorinated butyl rubber added calcined clay, and said calcined clay is only added as an inorganic filler classified as an inorganic reinforcing agent and an inorganic filling agent.
    Type: Grant
    Filed: September 29, 2016
    Date of Patent: July 9, 2019
    Assignee: TERUMO KABUSHIKI KAISHA
    Inventors: Akira Yoshida, Yuki Watanabe, Aiko Horiuchi, Hiroki Yoshikawa
  • Patent number: 10323141
    Abstract: Propylene polymer compositions comprising: A) from 70 wt % to 95 wt %, of a random copolymer of propylene with ethylene, containing from 3.5 wt % to 8.5 wt %, of ethylene derived units, having a content of fraction soluble in xylene at 25° C. comprised between 7.1 wt % and 15.2 wt % and having a melting point higher than 142.0° C.; B) from 5 wt % to 35 wt %, of a copolymer of propylene with ethylene, containing from 8.5 wt % to 17.0 wt % of ethylene derived units; the sum A+B being 100; the melt flow rate, MFR (ISO 1133 (230° C., 2.16 kg).) from 0.6 g/10 min to 20.2 g/10 min.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: June 18, 2019
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Mara Destro, Marco Ciarafoni, Paola Massari, Stefano Squarzoni
  • Patent number: 10316179
    Abstract: The present invention relates to a transparent thermoplastic resin. More particularly, the present invention relates to a transparent thermoplastic resin, including a random copolymerization block prepared by polymerizing 50 to 80% by weight of an aromatic vinyl compound, 10 to 30% by weight of a vinyl cyanide compound, and 0 to 15% by weight of (meth)acrylic acid alkyl ester; and an aromatic vinyl compound block prepared by polymerizing 1 to 10% by weight of an aromatic vinyl compound, a transparent thermoplastic resin composition including the transparent thermoplastic resin, and methods of preparing the aromatic vinyl compound and transparent thermoplastic resin.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: June 11, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Roo Da Lee, Jeong Su Choi, Keun Hoon Yoo, Won Seok Lee, Seok Goo Jang, Sang Hoo Park, Ho Hoon Kim, Hyung Seop Shim
  • Patent number: 10316126
    Abstract: An impact modifier composition comprising one or more core/shell polymers which comprise a crosslinked core having from 98 to 99.9 wt % units derived from one or more acrylate monomers and from 0.1 to 2 wt % units derived from a crosslinker containing a vinylically unsaturated moiety with an acrylate free radical reactivity ratio from 0.8 to 1.2 and one or more non-acrylate vinylically unsaturated moiety(ies) with an acrylate free radical reactivity ratio(s) greater than 1, wherein the crosslinked core has a swell ratio in THF between 7 and 15 and a Tg equal to less than 10° C.; and a shell having from 20 to 100 wt % units derived from one or more (meth)acrylate monomers and having a Tg of greater than 20° C. is provided. Also provided is a polymer composition comprising the impact modifier composition and a base structural polymer.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: June 11, 2019
    Assignee: Rohm and Haas Company
    Inventors: Michael T. Petr, Carlos A. Cruz
  • Patent number: 10287384
    Abstract: Polymeric compositions obtainable by free-radical polymerization of at least two different alkyl (meth)acrylates in the presence of at least one ethylene-vinyl ester copolymer, the alkyl (meth)acrylates used being a mixture comprising alkyl (meth)acrylates having linear C12- to C60-alkyl radicals and different alkyl (meth)acrylates having linear C1- to C11-alkyl radicals and/or branched C4- to C60-alkyl radicals and/or cyclic C5- to C20-alkyl radicals. The use of such polymeric compositions as pour point depressants for crude oils, mineral oils or mineral oil products.
    Type: Grant
    Filed: September 17, 2015
    Date of Patent: May 14, 2019
    Assignee: BASF SE
    Inventors: Ivette Garcia Castro, Kai Gumlich, Stefan Frenzel, Maria Heuken, Rouven Konrad, Karin Neubecker
  • Patent number: 10287379
    Abstract: The present invention relates to a water-absorbing polymer and to a process for preparation, including finishing the water-absorbing polymer, with 0.0001 to 3% by weight, of a peroxo compound, based on the acrylic acid, after the polymerization is treated, and to a process for producing a hydrogel polymer, to the product of the process and to use.
    Type: Grant
    Filed: March 5, 2015
    Date of Patent: May 14, 2019
    Assignee: Evonik Degussa GmbH
    Inventors: Christoph Loick, Scott J. Smith
  • Patent number: 10280291
    Abstract: A latex for dip forming and a sulfur-based crosslinking agent, and has a pH of 9.5-11, the latex containing a copolymer having 40-80% by weight of conjugated diene monomer units (A) that contain a butadiene unit and an isoprene unit, 10-45% by weight of ethylenically unsaturated nitrile monomer units (B), and 2-15% by weight of ethylenically unsaturated acid monomer units (C), the ratio between the butadiene unit content and the isoprene unit content being 40:60 to 95:5 expressed in terms of weight.
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: May 7, 2019
    Assignee: ZEON CORPORATION
    Inventor: Shinji Kato
  • Patent number: 10280253
    Abstract: The present invention is a hydrogenated cycloolefin ring-opening polymer comprising a repeating unit derived from tetracyclododecene, and a repeating unit derived from an additional norbornene-based monomer, the hydrogenated cycloolefin ring-opening polymer having a racemo diad ratio of 65% or more with respect to the repeating unit derived from tetracyclododecene, the hydrogenated cycloolefin ring-opening polymer having a weight average molecular weight (Mw) of 10,000 to 40,000, and a resin formed article obtained by forming the hydrogenated cycloolefin ring-opening polymer having a glass transition temperature of 140 to 165° C., a melt flow rate of 8 g/10 min or more as measured at a temperature of 280° C. under a load of 21.18 N, and a flexural strength of 60 MPa or more as measured by a flexural test at a test speed of 2 mm/min, and a resin formed article, and an optical member.
    Type: Grant
    Filed: September 24, 2015
    Date of Patent: May 7, 2019
    Assignee: Zeon Corporation
    Inventors: Akira Furuko, Takashi Houkawa, Ayumi Sato, Kenji Umeda
  • Patent number: 10266632
    Abstract: Polymers having ordered architectures and one or more reactive functional groups incorporated in select blocks or regions of the polymer in particular proportions relative to other regions in the polymer, are described. The polymers are well suited for use in adhesive compositions, and particularly for pressure sensitive adhesive compositions. In addition, various methods for forming the noted polymers and adhesive compositions utilizing the ordered polymers are disclosed.
    Type: Grant
    Filed: February 10, 2017
    Date of Patent: April 23, 2019
    Assignee: Avery Dennison Corporation
    Inventors: Brandon S. Miller, Kyle R. Heimbach, William L. Bottorf, Christopher L. Lester, Eric L. Bartholomew
  • Patent number: 10265916
    Abstract: The present invention relates to a method of manufacturing a contact lens including the steps of: (i) adding reactive components to a mold, wherein the reactive components comprise (a) at least one hydroxy-containing silicone component having a weight average molecular weight from about 200 to about 15,000 g/mole and (b) at least one mono-ether terminated, mono-methacrylate terminated polyethylene glycol having a weight average molecular weight from about 200 to about 10,000 g/mole; (ii) curing the reactive components within the mold to form the contact lens; and (iii) removing the contact lens from said mold.
    Type: Grant
    Filed: May 4, 2018
    Date of Patent: April 23, 2019
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Azaam Alli, Shivkumar Mahadevan