Patents Examined by Gregory Listvoyb
  • Modified ethylene vinyl acetate compositions, polymer blends and films made therefrom
    Patent number: 11472950
    Abstract: Compositions may include an EVA copolymer produced from ethylene, vinyl acetate, and one or more polar comonomers, wherein at least one of the one or more polar comonomers include an amine moiety. Methods may include preparing a polymer composition by adding ethylene, vinyl acetate and one or more polar comonomers to a reactor or extruder, wherein at least one of the one or more polar comonomers include an amine moiety; and reacting the ethylene, vinyl acetate and one or more comonomers to produce the polymer composition. Compositions may include an adhesive film composition that include at least one layer including a polymer produced from ethylene, vinyl acetate, and one or more polar comonomers, wherein at least one of the one or more polar comonomers include an amine moiety.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: October 18, 2022
    Assignee: Braskem S.A.
    Inventors: Ana Paula Rodrigues Camilo, Camilo Delfino, Gislene Zehetmeyer, Giancarlos Delevati, Mauro Alfredo Soto Oviedo
  • Display substrate polyimide film
    Patent number: 11466133
    Abstract: The present invention provides a display substrate polyimide film having: remarkably improved insulation characteristics; inner pores, included in the polyimide film, of which the maximum size is 10 nm or less; and a high maximum dielectric breakdown voltage of 350 V/?m or more. The polyimide film according to the present invention has improved insulation characteristics so as to be capable of suppressing the generation of a current fluctuation of TFTs according to the long-term driving of a TFT device in a display such as an OLED, thereby enabling the deterioration of the contrast of a display to be reduced.
    Type: Grant
    Filed: February 7, 2020
    Date of Patent: October 11, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Jinyoung Park, Danbi Choi, Ye Ji Hong
  • Composite film and preparation method thereof
    Patent number: 11459435
    Abstract: The present invention provides a composite film and a preparation method thereof. The composite film includes polyimide and a dense silica layer formed on a surface of the polyimide.
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: October 4, 2022
    Inventor: Linbo Ke
  • Liquid crystal alignment agent, liquid crystal alignment film and liquid crystal display element
    Patent number: 11453826
    Abstract: Provided are a liquid crystal alignment agent, a liquid crystal alignment film and a liquid crystal display element. The liquid crystal alignment agent at least comprises one of a polyamic acid solution and a polyimide solution. The polyamic acid solution is obtained by means of a polymerization reaction of diamine compound component A and dianhydride compound component B in a solvent, and the polyimide solution is obtained from the polyamic acid solution via a dehydration imidization treatment. The diamine component A at least comprises one of the diamine compounds represented by “formula 1”. The obtained liquid crystal alignment agent has a better liquid crystal alignment capability, an excellent effect on image sticking, and the effect that decomposition products resulting from light alignment are easy to remove.
    Type: Grant
    Filed: March 18, 2022
    Date of Patent: September 27, 2022
    Assignee: JIANGSU SUNERA TECHNOLOGY CO., LTD.
    Inventors: Wanlong Xie, Xiaorui Wang, Shidong Li, Mingjiao Wang, Huicai Ren, Hu Sun
  • Fungal textile materials and leather analogs
    Patent number: 11447913
    Abstract: Textile compositions comprising at least one filamentous fungus are disclosed, as are methods for making and using such textile compositions. Embodiments of the textile compositions generally include at least one of a plasticizer, a polymer, and a crosslinker, in addition to the filamentous fungus. The disclosed textile compositions are particularly useful as analogs or substitutes for conventional textile compositions, including but not limited to leather.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: September 20, 2022
    Assignee: The Fynder Group, Inc.
    Inventors: Brendan Allen Stewart, Larry Andrew Alegria, Ryan Jacob Totman, Yuval Charles Avniel
  • Cell culture substrate comprising fluorine-containing polymer on its surface
    Patent number: 11447743
    Abstract: This invention provides a cell culture substrate comprising on its surface a fluorine-containing polymer that enables three-dimensional tissue culture. The cell culture substrate of the invention has a surface at least a part of which is composed of a resin composition comprising a fluorine-containing polymer having one or more fluorine atoms in a repeating unit and exhibits the oxygen gas permeability of 219 cm3 (STP)/(m2·24 h·atm) or higher. Three-dimensional tissue can be formed via cell culture with the use of the cell culture substrate of the invention.
    Type: Grant
    Filed: March 17, 2015
    Date of Patent: September 20, 2022
    Assignee: Nippon Shokubai Co., Ltd.
    Inventors: Tomomi Makino, Hiroshi Horikawa
  • Resin member and sheet using same, method for producing resin member, and heat storage material and heat control sheet using same
    Patent number: 11441022
    Abstract: In one aspect, the present invention is a resin member comprising a copolymer of ethylene and an olefin having 3 or more carbon atoms, a straight-chain saturated hydrocarbon compound, and a gelling agent.
    Type: Grant
    Filed: October 4, 2017
    Date of Patent: September 13, 2022
    Assignee: SHOWA DENKO MATERIALS CO., LTD.
    Inventors: Akira Nagai, Tsuyoshi Morimoto, Teiichi Inada
  • Polyamide-imide film and method for producing same
    Patent number: 11434335
    Abstract: An embodiment can provide a polyamide-imide film and a method for producing same, the film comprising a polyamide-imide polymer formed by polymerizing an aromatic diamine compound, an aromatic dianhydride compound and a dicarbonyl compound, wherein, in an XRD graph with a section in which 2?=8° to 32° as a baseline, the film shows a peak area of 50% or above around 2?=23° with respect to a peak area seen around 2?=15°.
    Type: Grant
    Filed: February 6, 2018
    Date of Patent: September 6, 2022
    Assignee: SKC CO., LTD.
    Inventors: Dae Seong Oh, Dawoo Jeong, Sunhwan Kim, Jin Woo Lee, Dong Jin Lim, Kyungeun Oh
  • Fluoropolymer adhesives and methods thereof
    Patent number: 11421080
    Abstract: Examples of the present disclosure provide fluoropolymers and methods for forming and using such fluoropolymers. Fluoropolymers include polyfluorobenzoxazines and polyfluoroimides. Methods for forming polyphthalonitriles are also provided. The present disclosure is further directed to compositions containing one or more fluoropolymers and one or more metal oxides.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: August 23, 2022
    Assignee: THE BOEING COMPANY
    Inventors: Ashley M. Dustin, Andrew P. Nowak
  • Fungal textile materials and leather analogs
    Patent number: 11414815
    Abstract: Textile compositions comprising at least one filamentous fungus are disclosed, as are methods for making and using such textile compositions. Embodiments of the textile compositions generally include at least one of a plasticizer, a polymer, and a crosslinker, in addition to the filamentous fungus. The disclosed textile compositions are particularly useful as analogs or substitutes for conventional textile compositions, including but not limited to leather.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: August 16, 2022
    Assignee: The Fynder Group, Inc.
    Inventors: Brendan Allen Stewart, Larry Andrew Alegria, Ryan Jacob Totman, Yuval Charles Avniel
  • Foam compositions comprising polylactic acid polymer, polyvinyl acetate polymer and plasticizer, articles, and methods of making and using same
    Patent number: 11407872
    Abstract: Foam compositions are provided including a polylactic acid polymer; second (e.g., polyvinyl acetate) polymer having a glass transition temperature (Tg) of at least 25° C.; and plasticizer. Also described are articles comprising the foam compositions, such as a sheet or hearing protection article. Methods of making and using the foam compositions are further described herein.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: August 9, 2022
    Assignee: 3M Innovative Properties Company
    Inventors: Joshua M. Fishman, Caitlin E. Meree, Ning Zhou, Derek J. Dehn, Jacob D. Young, Jeffrey O. Emslander, Bradley L. Givot, Aaron T. Hedegaard, Justin M. Bolton, Terry R. Hobbs, Mahfuza B. Ali, Robert C. Coffin, Brant U. Kolb, Paul D. Pennington, Jimmie R. Baran, Jr., Duane D. Fansler, Ying Lin
  • Process for synthesizing polyamide PA 6-6
    Patent number: 11401378
    Abstract: A process for synthesizing polyamide PA 6-6, including a first step of reacting, in the presence of water, a compound of R0COO—(CH2)4—COOR?0 in which R0 and R?0, which may be identical or different, represent H or a linear or branched alkyl radical comprising from 1 to 4 carbon atoms, with hexamethylenediamine (HMDA), at a temperature of less than or equal to 160° C., to form a reaction medium, and then a second step of heating the reaction medium to a temperature of greater than or equal to 200° C.; the reaction medium also including a compound of R1—COO—(CH2)n—CH?CH—(CH2)n—COO—R2 and/or a compound of R3—(CH2)m—CH?CH—(CH2)n—COO—R4.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: August 2, 2022
    Assignee: ARKEMA FRANCE
    Inventor: Jean-Luc Dubois
  • Polyamic acid, polyimide film and fabrication method of the polyimide film
    Patent number: 11396582
    Abstract: A polyamic acid according to an embodiment is formed by a polymerization reaction of a dianhydride compound, a first diamine compound represented by the following Formula 1, and a second diamine compound, which is different from the first diamine compound.
    Type: Grant
    Filed: April 21, 2020
    Date of Patent: July 26, 2022
    Assignees: Samsung Display Co., Ltd., University-Industry Cooperation Group of Kyung Hee University
    Inventors: Chaungi Choi, Sang-hyon Paek, Seulgi Kim, Jangju Lee
  • Polyamide terpolymers for manufacture of transparent articles
    Patent number: 11396580
    Abstract: Amorphous polyamide terpolymers with a high level of transparency, transition glass temperature, flexibility, and chemical resistance. In one embodiment, the polyamide terpolymers are polymerized from caprolactam, at least one diamine, and at least one diacid.
    Type: Grant
    Filed: May 8, 2018
    Date of Patent: July 26, 2022
    Assignee: AdvanSix Resins & Chemicals LLC.
    Inventors: Haoyu Liu, John V. Facinelli
  • Diamine compound with Meldrum's acid group and related polymer thereof
    Patent number: 11390598
    Abstract: The present disclosure provides a diamine compound, which includes a structure represented by formula (I). Formula (I) is defined as in the specification. The present disclosure further provides an amide bond-containing polymer, a polyimide, a polybenzoxazine, a thermosetting resin and a copolymerized thermosetting resin prepared by the diamine compound including the structure represented by formula (I).
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: July 19, 2022
    Assignee: National Tsing Hua University
    Inventors: Ying-Ling Liu, Chien-Ho Huang
  • Water-soluble polyamide polymer and use thereof as functional additive
    Patent number: 11384202
    Abstract: A specific polyamide polymer which is obtainable by two specific processes according to the invention. The invention further relates to the use of this polyamide polymer as a functional additive and to detergent compositions, cosmetic compositions, cleaning compositions and adhesive compositions including this polyamide polymer.
    Type: Grant
    Filed: January 24, 2020
    Date of Patent: July 12, 2022
    Assignee: Henkel AG & Co. KGaA
    Inventors: Adrian Brandt, Horst Beck, Luca Mario Marchese, Sebastiano Moscardin, Alexander Schulz, Michael Strotz, Lisa Mareike Noack
  • Polyimide-based block copolymer and polyimide-based film comprising the same
    Patent number: 11377556
    Abstract: The present disclosure relates to a polyimide-based block copolymer and a polyimide-based block copolymer film including the same. The polyimide-based block copolymer according to the present disclosure makes it possible to provide a polyimide-based film having low haze and yellow index value while exhibiting excellent transparency.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: July 5, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Duk Hun Jang, Byung Guk Kim, Young Sik Eom, Sung Yeol Choi, Sang Gon Kim, Jin Sook Ryu, Sun Ok Oh, Hyung Sam Choi
  • Uniform sequence-defined polyurethanes and uses thereof as molecular labels
    Patent number: 11359054
    Abstract: Some embodiments are directed to sequence-defined polyurethanes and methods of making and using same.
    Type: Grant
    Filed: May 11, 2017
    Date of Patent: June 14, 2022
    Assignee: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Jean-François Lutz, Ufuk Saim Gunay, Didier Gigmes, Laurence Charles-Coulibeuf
  • Method of preparing polymer particles and polymer particles prepared thereby
    Patent number: 11359059
    Abstract: A method of preparing polymer particles includes combining a polyetherimide and a solvent at a first temperature to provide a slurry, wherein the polyetherimide is not soluble in the solvent at the first temperature; heating the slurry to a second temperature and at a pressure effective to dissolve the polyetherimide in the solvent to provide a homogenous solution; cooling the homogenous solution to a third temperature to provide a dispersion including a plurality of polymer particles; and isolating the polymer particles. The polymer particles have a Dv90 particle size of less than or equal to 250 micrometers. Polymers powders prepared according to the method are also described herein, wherein the powder includes a plurality of semi-crystalline polymer particles having a Dv90 of less than or equal to 250 micrometers.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: June 14, 2022
    Assignee: SHPP GLOBAL TECHNOLOGIES B.V.
    Inventors: Viswanathan Kalyanaraman, Thomas Link Guggenheim
  • Expandable compositions containing aromatic vinyl polymers having self-extinguishing properties and improved processability
    Patent number: 11359066
    Abstract: The present invention relates to an expandable polymeric composition comprising: a) a polymeric matrix containing vinyl aromatic polymers and/or copolymers; b) from 0.1% to 20% by weight, calculated on the polymeric matrix (a), of an athermanous agent; c) from 0.01% to 10% by weight, calculated on the polymeric matrix (a), of at least one non-polymeric brominated flame retardant additive; d) from 0.01% to 10% by weight, calculated on the polymeric matrix (a), of at least one brominated polymer containing at least 50% bromine; e) from 0.01% to 5% by weight, calculated on the polymeric matrix (a), of a synergistic flame retardant additive; f) from 1% by weight to 10% by weight of at least one blowing agent.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: June 14, 2022
    Assignee: Versalis S.P.A.
    Inventors: Antonio Ponticiello, Dario Ghidoni, Francesco Pasquali