Patents Examined by Kelechi C. Egwim
  • Patent number: 11365314
    Abstract: The present invention provides an aqueous polymer composition and an aqueous coating composition comprising such aqueous polymer composition that shows balanced stain resistance, freeze-thaw stability, and anti-clogging properties.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: June 21, 2022
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Zhen Qian, Wei Cui, Jinfei Wang, Jianming Xu, Jintao Liu, Ling Li, Jingchao Zhang
  • Patent number: 11352489
    Abstract: A thermoplastic acrylic resin is provided. The thermoplastic acrylic resin is a graft copolymer in which a stem polymer is an acrylic resin containing acrylonitrile and another ethylenically unsaturated monomer, and a branch polymer is a polymer composed of an ethylenically unsaturated monomer. The acrylonitrile is contained in an amount of 35 mass % or more and 84.5 mass % or less, the other ethylenically unsaturated monomer is contained in an amount of 15 mass % or more and 64.5 mass % or less, and the polymer composed of an ethylenically unsaturated monomer is contained in an amount of 0.5 mass % or more and 40 mass % or less. Thus, provided are a thermoplastic acrylic resin having improved melt-processability without compromising heat resistance, a method for producing the thermoplastic acrylic resin, a thermoplastic acrylic resin composition, a molded body, an acrylic fiber, and a method for producing the acrylic fiber.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: June 7, 2022
    Inventors: Sota Okumura, Yusuke Hirai, Takamasa Soejima
  • Patent number: 11345798
    Abstract: A dual reactor solution process gives high density polyethylene compositions containing a first ethylene copolymer and a second ethylene copolymer and which have good processability, stiffness, and environmental stress crack resistance. The polyethylene compositions are suitable for compression molding or injection molding applications and are particularly useful in the manufacture of caps and closures for bottles.
    Type: Grant
    Filed: November 12, 2019
    Date of Patent: May 31, 2022
    Assignee: NOVA Chemicals (International) S.A.
    Inventor: XiaoChuan Wang
  • Patent number: 11345769
    Abstract: Disclosed herein is an additive for a paint or stain composition or for a colorant composition. The additive is polymerized from at least one acrylate monomer and a chain transfer agent. The additive has a weight molecular weight from about 2,000 Daltons to about 5,000 Daltons, and the chain transfer agent comprises a hydrogen-sulfur functionality and is present from about 8 to about 20 parts per hundred parts of monomers. The additive's glass transition temperature ranges from about ?50° C. to about ?10° C. and the additive is hydrophobic. The additive is added to the colorant composition to minimize tip drying at the colorant canisters, and is added to paint or stain composition as an open time extender.
    Type: Grant
    Filed: July 8, 2020
    Date of Patent: May 31, 2022
    Assignee: Columbia Insurance Company
    Inventors: Gianna Pastena, Brian Munoz, Hrire Gharapetian, Thomas Penny
  • Patent number: 11339291
    Abstract: Viscosity peaking during initial formulation of condensation curing compositions employing silanol-functional organopolysiloxanes and alkoxysilanes is avoided by employing specific titanium compounds. A curing catalyst which may be a titanium compound or a tin compound may be added following disappearance of silanol functionality.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: May 24, 2022
    Assignee: Wacker Chemie AG
    Inventors: Jian Nie, Lei Yang
  • Patent number: 11339238
    Abstract: A modified conjugated diene-based polymer, and more particularly, a modified conjugated diene-based polymer having a unimodal molecular weight distribution curve measured by gel permeation chromatography (GPC), molecular weight distribution (PDI; MWD) of less than 1.7, and a Si content of 100 ppm or more based on weight, and a rubber composition including the same.
    Type: Grant
    Filed: December 8, 2017
    Date of Patent: May 24, 2022
    Inventors: Ho Young Lee, Ki Seok Son, Da Won Chai, No Ma Kim, Sun Keun Kim, Youk Reol Na, Hyoung Woo Lee, Heung Yeal Choi
  • Patent number: 11332606
    Abstract: A clear binder, in divided form, that is solid when cold, and to the different ways in which it is formed. Also, the method for transporting and/or storing and/or handling the binder, as well as to the uses of the binder for road and/or industrial applications.
    Type: Grant
    Filed: September 5, 2017
    Date of Patent: May 17, 2022
    Inventor: Laurence Lapalu
  • Patent number: 11326073
    Abstract: The present invention provides: a composition which has a low viscosity, a high refractive index when being cured, and in which the precipitation of crystals is suppressed for a long time when stored at a low temperature; and a paint comprising the same. According to one embodiment of the present invention, provided is a composition which includes: a (meth)acrylate represented by general formula (1); and a compound represented by general formula (2), wherein the mass percentage of the content of the (meth)acrylate to the content of the compound represented by general formula (2) is 60:40 to 90:10 (exclusive of 60:40 and 90:10).
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: May 10, 2022
    Inventors: Kazuki Kouno, Yasuo Kusube, Kazunori Taniguchi, Shohei Nishida
  • Patent number: 11312825
    Abstract: Provided is a structure having excellent flexibility represented by elastic restoring from compression or tensile elongation at break, and excellent lightness. A structure according to the present invention includes reinforced fibers, first plastic, and second plastic that exhibits rubber elasticity at room temperature, the reinforced fibers being discontinuous fibers, and the first plastic and/or the second plastic coating a crossing point between the reinforced fibers in contact with each other.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: April 26, 2022
    Inventors: Yoshiki Takebe, Takashi Fujioka, Masato Honma
  • Patent number: 11306219
    Abstract: It is provided a coating composition comprising an ionic liquid, and a crosslinked polymeric ionic liquid, wherein the crosslinked polymeric ionic liquid and the ionic liquid are not linked through covalent bonds, and wherein the crosslinked polymeric ionic liquid is linked to a substrate surface. It is also provided a process for its preparation, as well as an article of manufacture at least in part coated with the coating composition as defined above.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: April 19, 2022
    Inventors: Eneko Azaceta Muñoz, Jesús Palenzuela Conde, Ramón Tena Zaera, Estibaliz Medina
  • Patent number: 11292906
    Abstract: Aqueous silicone polymer emulsion The presently claimed invention relates to a composition in form of an emulsion of water incompatible silicone oil comprising droplets of silicone oil dispersed in a continuous aqueous phase. The composition provides better slip and mar resistance, anti-blocking properties and optical properties to the coating formulations, printing ink, personal care product compositions, textiles, leather and indirect food contact applications.
    Type: Grant
    Filed: October 16, 2018
    Date of Patent: April 5, 2022
    Inventors: Andreas Gernandt, Clemens Auschra, Ralf Knischka
  • Patent number: 11292862
    Abstract: A modified conjugated diene-based polymer having a weight average molecular weight of 20×104 or more and 300×104 or less, and having a molecular weight distribution Mw/Mn of 1.6 or more and 4.0 or less, wherein a modification ratio with respect to a total amount of the conjugated diene-based polymer is 50% by mass or more, a modification ratio of a component having a molecular weight which is ½ of a molecular weight at a peak top, or a peak top of the minimum molecular weight when a plurality of the peak tops of molecular weights is present, in a gel permeation chromatography curve is ½ or more of the modification ratio with respect to the total amount of the conjugated diene-based polymer, and a content of nitrogen contained in the modified conjugated diene-based polymer is 3 mass ppm or more and 70 mass ppm or less.
    Type: Grant
    Filed: March 5, 2018
    Date of Patent: April 5, 2022
    Assignee: Asahi Kasei Kabushiki Kaisha
    Inventors: Koichi Hasebe, Ryo Suzuki, Hiromi Nakafutami
  • Patent number: 11286314
    Abstract: Provided are a method for preparing a conjugated diene-based polymer and a method for preparing a graft copolymer including the same. The method for preparing a conjugated diene-based polymer includes enlarging a first conjugated diene-based polymer in multiple stages to prepare a second conjugated diene-based polymer, wherein the multi-stage enlargement includes a primary enlargement stage and a secondary enlargement stage, and a weight ratio of acids added in the primary enlargement stage and the secondary enlargement stage is 70:30 to 90:10. A graft copolymer prepared by the above-described method can be used to form a thermoplastic resin molded article excellent in all of plating characteristics, mechanical properties, surface characteristics, colorability, and processability.
    Type: Grant
    Filed: April 15, 2019
    Date of Patent: March 29, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Joo Byung Chai, Yu Sung Jung, Jong Beom Kim, Chang Sull Kim, Eun Seon Park, Tae Young Jeon
  • Patent number: 11286339
    Abstract: A cyclopentene ring-opening copolymer having a branch structure contains a structure in which at least four cyclopentene ring-opening polymer chains are linked via a branch-structural unit. At least part of the cyclopentene ring-opening polymer chains is terminally modified.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: March 29, 2022
    Inventors: Hiroyuki Nitadori, Shingo Okuno, Yasuo Tsunogae
  • Patent number: 11279837
    Abstract: A composition comprising a colored synthetic gel useful for the preparation of waterborne multicolor paints.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: March 22, 2022
    Assignee: Dow Global Technologies LLC
    Inventors: Minbiao Hu, Shiling Zhang, Wei Li, Dong Yun, Huan Chen, Yasmin N. Srivastava
  • Patent number: 11274176
    Abstract: A composite including a plurality of block copolymer chains dispersed in a base polymer, the block copolymer chains including a polymer block (A) and a polymer block (B) having lower affinity for the base polymer than that of the polymer block (A), wherein each of the block copolymer chains has the polymer block (A) at two or more locations of the block copolymer chain, and in at least some of the block copolymer chains, the polymer blocks (A) are at least partially located in the base polymer and the polymer blocks (B) are at least partially exposed from the base polymer.
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: March 15, 2022
    Inventors: Takaya Sato, Hiroyuki Arafune, Takashi Morinaga, Saika Honma, Toshio Kamijo, Ken Nakano, Yoshinobu Tsujii
  • Patent number: 11267976
    Abstract: A composition contains a polyorganosiloxane dispersed in a combination of a condensation product of a polysiloxane resin and a polyoxyalkylene polymer, and a non-aqueous fluid carrier; wherein the weight-ratio of non-aqueous fluid carrier to condensation product is 0.5 or more and 10 or less; the weight-ratio of the combination of condensation product and non-aqueous fluid carrier to polyorganosiloxane is 0.01 or more and 0.50 or less; and wherein the composition contains less than one weight-part aromatic solvent per million weight parts composition.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: March 8, 2022
    Assignee: Dow Silicones Corporation
    Inventors: Patrick J. Fryfogle, Yihan Liu, Timothy P. Mitchell, Jennifer A. Reil, Michael R. Reiter, John Roberts, Gary M. Wieber, Brett L. Zimmerman
  • Patent number: 11267999
    Abstract: Methods of forming acrylate polymers using emulsion polymerization techniques are described. The resulting acrylate polymers exhibit characteristics enabling their use in adhesives and replacing acrylic polymers formed by solvent-based polymerization methods. Various polymers and adhesives utilizing such polymers are also described.
    Type: Grant
    Filed: January 31, 2019
    Date of Patent: March 8, 2022
    Assignee: Avery Dennison Corporation
    Inventors: Mark D. Gower, Eric L. Bartholomew, Qiang Luo, Charles R. Williams, Jr.
  • Patent number: 11261302
    Abstract: The present invention aims to provide a rubber composition having sufficient reinforcement and fatigue resistance even when a large strain is applied thereto, and the present invention is to provide a substituted carboxy group-containing modified cellulose nanofiber wherein at least part thereof has at least any one of a substituent represented by Formula (a): —CONH—R1 and a substituent represented by Formula (b): —COO—R1 (in Formulae (a) and (b), R1 is independently a C3-30 hydrocarbon having at least one unsaturated bond), and a rubber composition including the same.
    Type: Grant
    Filed: July 5, 2017
    Date of Patent: March 1, 2022
    Inventors: Kotaro Ito, Shinichi Onogi, Yusuke Yasukawa, Masahiro Morita
  • Patent number: 11254693
    Abstract: The invention relates to benzothiazole-containing silanes of the formula I which are prepared by reacting benzothiazole-containing silanes of the formula II with a compound of formula III R2—H??(III). The benzothiazole-containing silanes of the formula I can be used in rubber mixtures.
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: February 22, 2022
    Assignee: Evonik Operations GmbH
    Inventors: Alexander Koepfer, Oliver Klockmann, Olga Kufelt, Stefanie Mayer, Caren Roeben, Sebastian Rosenstingl, Andre Wehmeier