Patents Examined by Vivian Chen
  • Patent number: 11560457
    Abstract: The present invention relates to an MDO heat-shrinkable film of a copolymer polyester having excellent thermal resistance. In particular, the present invention provides a copolymer polyester MDO (machine direction orientation) thermoresistant heat-shrinkable film that consists of a copolymer polyester resin including isosorbide and 1,4-cyclohexanedimethanol at an optimized content ratio as a diol component copolymerized with an acid component including terephthalic acid, and having a number average molecular weight of 18,000 g/mol or more, and can be used for labels, cap seals, direct packaging, etc. of various containers due to the high shrink initiation temperature.
    Type: Grant
    Filed: November 24, 2017
    Date of Patent: January 24, 2023
    Inventors: Seol-Hee Lim, Sung-Gi Kim, So-Yeon Kim
  • Patent number: 11548269
    Abstract: A degradable EVOH high-barrier composite film, characterized in that the materials of various layers in the composite film all obtain approximately-consistent biodegradability by introducing biomass, and the additive amount of the additive master batch in the materials of each layer is controlled within the range of 0.3-15% of the total mass of the materials of the corresponding layer; the hydrophilic activity of the hydrophilic groups in the additive master batch should be greater than or equal to that of the hydrophilic groups in the materials of each layer; by adding the additive master batch, the mole ratios of the hydrophilic groups to carbon atoms of the materials of various layers tend to be consistent, namely, the bioactivities tend to be consistent, so that the degradation rates of the materials of various layers in the composite film tend to be consistent.
    Type: Grant
    Filed: December 5, 2020
    Date of Patent: January 10, 2023
    Inventors: Jialiang Xia, Xuewen Gao, Yu Xia, Minyan Tang, Xiaoqin Yu
  • Patent number: 11535018
    Abstract: The invention relates to a sealant antifog composition for polyester films comprising anionic and non-ionic surfactants in a mixture of amorphous and (semi)crystalline polyesters. The invention also relates to a multi-layer film comprising a sealant layer having the above composition, to the use of said films in food packaging and to the packages obtained therefrom.
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: December 27, 2022
    Assignee: Cryovac, LLC
    Inventors: Roberto Forloni, Aida Haxhi
  • Patent number: 11535437
    Abstract: A gas barrier film that includes at least a film base material including a polyester resin having a butylene terephthalate unit as a main constituent unit, and one or more metal oxide layers wherein the gas barrier film has a heat shrinkage rate in the machine direction (MD direction) after heating for 30 minutes at 150° C. of 0.6% or more but less than 3.0%, the heat shrinkage rate being represented by the following formula: Heat shrinkage rate={(Length before heating?Length after heating)/Length before heating}×100(%).
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: December 27, 2022
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Ryoji Ishii, Takeshi Nishikawa, Tadashi Hongo
  • Patent number: 11530322
    Abstract: The present invention relates to the preparation of a thermoplastic fluoropolymer blend composition exhibiting improved mechanical properties upon fabrication. The fluoropolymer blend composite on is produced by blending an emulsion latex of fluoropolymer (A) with an emulsion latex of fluorinated copolymer (B). Copolymer (B) emulsion has a small particle size, super high MW, and a low degree of crystallinity. The blending of the latex emulsions results in a morphology with small particles of copolymer (B) uniformly distributed within a matrix of fluoropolymer (A) in a manner that could not be achieved by a mere melt blending of the tow components.
    Type: Grant
    Filed: August 28, 2014
    Date of Patent: December 20, 2022
    Assignee: ARKEMA INC.
    Inventors: Ramin Amin-Sanayei, Gregory S. O'Brien, Saeid Zerafati
  • Patent number: 11518919
    Abstract: An optical laminate includes two substrates each of which has a tensile modulus in a range from 2,000 MPa to 7,500 MPa, and an adhesive layer interposed between the substrates. A storage modulus at 25° C. of the adhesive layer is 100 kPa or less, and a storage modulus at ?20° C. of the adhesive layer is equal to or less than three times the storage modulus at 25° C. of the adhesive layer. The optical laminate and an image display device including the optical laminate may have an improved flexible property at various temperature ranges and may be capable of minimizing cracks when being bent.
    Type: Grant
    Filed: May 8, 2018
    Date of Patent: December 6, 2022
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: In Kyu Song, HeeBong Kim, Min Ho Lim, Jun Hee Sung, Byung Hoon Song
  • Patent number: 11512198
    Abstract: This disclosure pertains to novel polyvinyl chloride compositions containing polyvinyl chloride resins and copolyesters. More particularly, the present disclosure pertains to polyvinyl chloride compositions including high glass transition temperature (Tg) copolyesters to increase the Tg and the heat distortion temperature under load (HDTUL) of the polyvinyl chloride compositions.
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: November 29, 2022
    Assignee: Eastman Chemical Company
    Inventor: Robert Erik Young
  • Patent number: 11479690
    Abstract: A branched carboxylic acid functional polyester resin P is described herein along with thermosetting powder coating compositions (PCC A) comprising a binder K, the binder K comprising the polyester resin P and a crosslinker X. The invention further relates to a cured PCC A. In addition, processes for making said PCC A and processes for coating an article with said PCC A are described as well as articles having coated thereon the PCC A and an articles having coated and cured thereon the PCC A.
    Type: Grant
    Filed: March 9, 2021
    Date of Patent: October 25, 2022
    Assignee: COVESTRO (NETHERLANDS) B.V.
    Inventors: Matthias Johannes Cornelis Bos, Paulus Franciscus Anna Buijsen, Johannes Albertus Hettinga
  • Patent number: 11456229
    Abstract: A thermally conductive sheet according to the present invention is a thermally conductive sheet comprising a thermally conductive filler, the thermally conductive sheet having a thermal conductivity of 7 W/m·K or more, a 30% compression strength of 1500 kPa or less, and a tensile strength of 0.08 MPa or more. According to the present invention, a thermally conductive sheet having excellent thermally conductive properties, flexibility, and handling properties can be provided.
    Type: Grant
    Filed: July 24, 2018
    Date of Patent: September 27, 2022
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventor: Masahiro Hamada
  • Patent number: 11446902
    Abstract: Provided is a molding packaging material capable of sealing without causing sealing failure, significantly reducing cleaning frequency of a seal bar to improve productivity, and preventing occurrence of delamination. The molding packaging material includes a PBT terephthalate (PBT) layer 2, a heat fusible resin layer 3, and a metal foil layer 4 between the two layers. The PBT layer 2 and the metal foil layer 4 are bonded via an outer adhesive layer 5. The outer adhesive layer 5 is formed of a urethane adhesive cured film composed of a polyester polyol, a polyfunctional isocyanate compound, and polyhydric alcohol. The polyester polyol contains a dicarboxylic acid component, the dicarboxylic acid component includes an aromatic dicarboxylic acid. The dicarboxylic acid component contains an aromatic dicarboxylic acid. The content rate of the aromatic dicarboxylic acid in the dicarboxylic acid component is 40 mol % to 80 mol %. The Young's modulus of the cured film of the urethane adhesive is 70 MPa to 400 MPa.
    Type: Grant
    Filed: June 28, 2018
    Date of Patent: September 20, 2022
    Assignee: SHOWA DENKO PACKAGING CO., LTD.
    Inventors: Kenji Yoshino, Yuji Minamibori, Katsumi Tanaka
  • Patent number: 11434605
    Abstract: A biodegradable packaging material, a method of manufacturing the same, as well as products made of the material wherein the manufacture comprises extrusion onto a fibrous substrate one or more polymer coating layers including at least one layer of a polymer blend consisting of (i) 20-95 wt-% of polylactide having a high melt index of more than 35 g/10 min (210° C.; 2.16 kg), (ii) 5-80 wt-% of polybutylene succinate (PBS) or a biodegradable derivate thereof, and (iii) 0-5 wt-% of one or more polymeric additives. The components of the blend are melted and blended in connection with the extrusion step. The goal is to improve extrudability, increase machine speed in extrusion and maintaining good adhesiveness to the substrate and good heat-sealability of the coating. The products include disposable drinking cups and board trays, as well as sealed carton packages for solids and liquids.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: September 6, 2022
    Assignee: STORA ENSO OYJ
    Inventors: Kimmo Nevalainen, Ville Ribu
  • Patent number: 11427688
    Abstract: Polyester-based films contain certain copolyesters (A) and polyester plasticizers (B). The copolyesters (A) may be selected from those in which the force required to stretch a film of the copolyester (A) by itself, from 2× to 5×, increases by less than 200%. The polyester plasticizers (B) have a weight-average molecular weight of 900 to 12,000 g/mol, and contain (i) a diol component comprising residues of diols having 2 to 8 carbon atoms, and (ii) a diacid component comprising residues of dicarboxylic acids having 4 to 12 carbon atoms. These polyester-based films are particularly useful for preparing ultra-thin LCD or OLED polarizers, because they can be stretched very thin with a high stretch ratio at lower temperatures.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: August 30, 2022
    Assignee: Eastman Chemical Company
    Inventors: Wayne Ken Shih, Kimberley Carmenia Carico
  • Patent number: 11420426
    Abstract: A photochromic polyurethane laminate that is constructed to solve certain manufacturing difficulties involved in the production of plastic photochromic lenses is disclosed. The photochromic laminate includes at least two layers of a resinous material and a photochromic polyurethane layer that is interspersed between the two resinous layers and which contains photochromic compounds. The polyurethane layer is formed by curing a mixture of a solid thermoplastic polyurethane, at least one isocyanate prepolymer, at least one photochromic compound, and a stabilizing system.
    Type: Grant
    Filed: September 2, 2016
    Date of Patent: August 23, 2022
    Assignee: HOYA Optical Labs of America, Inc.
    Inventors: Xuzhi Qin, Hideyo Sugimura, Michael Boulineau
  • Patent number: 11421088
    Abstract: A method of preparing thermoplastic polyester elastomer membrane with high binding strength includes the following steps: (a) Adding a reaction solvent to TPEE powder or granules to prepare a solvent mixture. (b) Adding a modifier to the solvent mixture, and mixing uniformly to prepare a first mixture, the modifier including at least one of o-xylylenediamine, m-xylylenediamine, alpha,alpha?-diamino-p-xylene, 2,3,5,6-Tetrachloro-p-xylene-alpha,alpha?-diamine, and 1,3,5,7-Tetraazatricyclodecane. (c) Adding an initiator to the first mixture, and mixing uniformly to prepare a second mixture. (d) Obtaining a finished product by passing the second mixture through an injection laminating process.
    Type: Grant
    Filed: May 27, 2020
    Date of Patent: August 23, 2022
    Assignee: TAIWAN TEXTILE FEDERATION, R.O.C.
    Inventors: Shu-Hui Huang, Sheng-Jen Lin, Yao-Hung Kuo, Jian-Fan Chen, Yun-Chin Kuo, Yu-Chuan Lin
  • Patent number: 11420801
    Abstract: A metal sheet for containers includes a metal sheet and a polyester film which is laminated on a surface of the metal sheet to be an inner surface side of containers. The polyester film contains a wax in an amount of 0.010 to 2.000 mass %, and has a dipole-dipole force of 40 mN/m or less.
    Type: Grant
    Filed: March 10, 2017
    Date of Patent: August 23, 2022
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Yoichiro Mori, Nobuo Kadowaki, Tadaaki Ochiai, Akihiko Hirata, Tomohiro Mizutani
  • Patent number: 11421112
    Abstract: The instant invention provides an aqueous dispersion, a coating composition, coating layers and coated article made therefrom.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: August 23, 2022
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Charles F. Diehl, Bernhard Kainz, Timothy J. Young, David L. Malotky, Denise Lindenmuth
  • Patent number: 11419210
    Abstract: An object of the present invention is to provide a resin composition which enables formation of a resin layer having excellent electrical performance including high frequency performance and appropriate solubility with desmear solution required on a material used in manufacturing of a printed wiring board. To achieve the object, the resin composition used for constituting a resin layer on a metal layer surface of a laminate includes a polyphenylene ether compound and 10 parts by mass to 100 parts by mass of a styrene-butadiene block copolymer and 0.1 parts by mass to 100 parts by mass of a component promoting solubility with desmear solution against 100 parts by mass of the polyphenylene ether compound.
    Type: Grant
    Filed: April 24, 2013
    Date of Patent: August 16, 2022
    Assignee: MITSUI MINING & SMELTING CO., LTD.
    Inventors: Toshifumi Matsushima, Tetsuro Sato
  • Patent number: 11407212
    Abstract: The present invention provides a packaging material for a patch, the packaging material comprising: an inner layer film made of a polyethylene terephthalate-based resin having heat sealing properties; and a substrate film, wherein a heat-sealing surface of the inner layer film comprises an isophthalic acid-modified polyethylene terephthalate resin having a copolymerization ratio of isophthalic acid component of 10 mol % to 20 mol %. More preferably, the inner layer film made of the polyethylene terephthalate-based resin having heat sealing properties is a multi-layer film comprising at least two layers including a heat sealing surface side layer made of an isophthalic acid-modified polyethylene terephthalate resin having a copolymerization ratio of isophthalic acid component of 10 mol % to 20 mol % and a layer made of an isophthalic acid-modified polyethylene terephthalate resin having a copolymerization ratio of isophthalic acid component of 0 mol % to 5 mol %.
    Type: Grant
    Filed: September 24, 2013
    Date of Patent: August 9, 2022
    Assignee: Toyo Seikan Group Holdings, Ltd.
    Inventors: Yoichi Ishizaki, Yoshihiro Ohta
  • Patent number: 11401444
    Abstract: A member for use in undersea applications comprising a plurality of conduits assembled into a bundle; the bundle being wrapped with a pressure-sensitive tape comprising a backing, a layer of corrosion-resistant filaments on one surface of the backing, and pressure-sensitive adhesive layer that coats the filaments and binds them to the backing.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: August 2, 2022
    Assignee: INTERTAPE POLYMER CORP.
    Inventors: John K. Tynan, Jr., Deborah A. Chrzanowski, Mark A. Lewandowski
  • Patent number: 11401445
    Abstract: A member for use in undersea applications comprising a plurality of conduits assembled into a bundle; the bundle being wrapped with a pressure-sensitive tape comprising a backing, a layer of corrosion-resistant yarns on one surface of the backing, and pressure-sensitive adhesive layer that coats the corrosion-resistant yarns and binds them to the backing.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: August 2, 2022
    Assignee: INTERTAPE POLYMER CORP.
    Inventors: John K. Tynan, Jr., Deborah A. Chrzanowski, Mark A. Lewandowski