Patents Examined by Robert C Boyle
  • Patent number: 12686733
    Abstract: The present invention provides plasticizers, compositions, and tires which can vary tire performance in response to temperature changes. The present invention relates to a plasticizer for resins and/or elastomers, containing a group that changes hydrophilicity with changes in temperature.
    Type: Grant
    Filed: April 27, 2020
    Date of Patent: July 21, 2026
    Assignee: Sumitomo Rubber Industries, Ltd.
    Inventors: Shoko Nakahata, Kensuke Washizu, Shuichiro Ono
  • Patent number: 12674007
    Abstract: A method for preparing ethylene-vinyl alcohol copolymer capable of obtaining ethylene-vinyl alcohol copolymer of high saponification degree, while minimizing the amount of alkali catalysts used is disclosed herein. The method comprises adding a first alkali catalyst solution dropwise to ethylene-vinyl acetate copolymer dispersed in an alcohol solvent, and adding a second alkali catalyst solution dropwise to the first saponification reaction mixture.
    Type: Grant
    Filed: June 30, 2022
    Date of Patent: July 7, 2026
    Assignee: LG Chem, Ltd.
    Inventors: Hyojin Bae, Bongjune Kim, Sungjin Song, Se Won Baek
  • Patent number: 12668647
    Abstract: The present invention relates to a polyethylene composition comprising a base resin which comprises (A) a first ethylene homo- or copolymer fraction, and (B) a second ethylene-hexene-1 copolymer fraction, wherein fraction (A) has a lower molecular weight than fraction (B) and wherein fraction (B) is present in an amount of from 51.0 to 58.5 wt. %, preferably 52.0 to 57.5 wt. %, more preferably 53.0 to 57.0 wt. % based on the total weight of the base resin, wherein fraction (B) of the base resin has a content of units derived from hexene-1 from 0.80 to 1.45 mol %, preferably of from 0.82 to 1.35 mol % and more preferably of from 0.85 to 1.30 mol %, wherein the base resin has a number average molecular weight Mn of 8,500 g/mol or higher, and wherein the polyethylene composition has a melt flow rate MFRs from 0.10 to 0.30 g/10 min, preferably from 0.15 to 0.28, and still more preferably from 0.16 to 0.
    Type: Grant
    Filed: July 7, 2021
    Date of Patent: June 30, 2026
    Assignee: BOREALIS GMBH
    Inventors: Andrey Buryak, Victor Sumerin, Franz Ruemer, Jari Aarila, Joy Jie Cheng
  • Patent number: 12668693
    Abstract: The present invention relates to a film, preferably an unoriented film, comprising a polypropylene composition comprising a random copolymer of propylene monomer units and ethylene comonomer units, wherein the random copolymer has a content of ethylene comonomer units of from 0.5 to 4.0 wt %, based on the total weight amount of monomer units in the random copolymer, the polypropylene composition has a melt flow rate MFR2 of from 0.5 to 20.0 g/10 min, determined according to ISO 1133 at a temperature of 230° C. and a load of 2.16 kg, and the film has a tensile modulus in machine direction TM-MD in the range of from 450 to 850 MPa, when measured according to ISO 527-3 on a 50 ?m monolayer cast film, a process for producing such a film and the use of such a polypropylene composition for the production of a film with an improved balance of properties of tensile modulus and protrusion impact.
    Type: Grant
    Filed: August 25, 2021
    Date of Patent: June 30, 2026
    Assignee: Borealis AG
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen, Peter Niedersuess, Stefan Ortner
  • Patent number: 12655386
    Abstract: The present application relates to microcarrier particles for cell culture, a method for preparing the particles, and a cell culture medium composition including the particles. According to the present application, a microcarrier having a high degree of uniformity in shape or form, having porosity, and advantageous for cell attachment and isolation of cultured cells is provided.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: June 16, 2026
    Assignee: LG CHEM, LTD.
    Inventors: Minchae Kim, Yeji Kim, Jee Seon Kim
  • Patent number: 12658444
    Abstract: There is provided the use of a nitro-substituted aromatic compound of formula (I), (II), (III), or (IV) and a copolymers comprising repeat units of formula (III) and/or (IV) as an electrode material as well as the use of such compound in the manufacture of an electrode. An electrode composite material and an electrode comprising this compound are also provided. When used in metal-ion batteries, preferably Li-ion batteries, the electrode of the invention has a combination of high operating voltage (e.g. >2.0 V) and high specific capacities (e.g. >300 mAh g?1). To the best of the inventors' knowledge, some of them have the highest specific capacity, along N with high voltage, among organic electrode materials reported to date for application in alkali-ion batteries. (I), (II), (III), (IV).
    Type: Grant
    Filed: December 2, 2020
    Date of Patent: June 16, 2026
    Inventors: Zhibin Ye, Xudong Liu
  • Patent number: 12649844
    Abstract: The present invention relates to a polymer composition including a linear polymer including a stress visualization molecule positioned at a center portion of a chain and including a furan group; and a cross-linking agent that is an amine having two or more maleimide functional groups, and a cross-linkable polymer formed therefrom.
    Type: Grant
    Filed: April 20, 2023
    Date of Patent: June 9, 2026
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Tae Ann Kim, Jae Hong Kim, Seungjun Chung, Jeong Gon Son, Jong Hyuk Park, Sang-Soo Lee, Heesuk Kim
  • Patent number: 12629341
    Abstract: Amphiphilic copolymers and compositions including amphiphilic copolymers. The amphiphilic copolymers include modified maleimide subunits, for example, as illustrated by the structures of Formula IA and Formula IB. The compositions form water-soluble complexes upon association with biological material wherein such biological material can include lipids or membrane proteins. Methods for producing, purifying, analyzing, and using the compositions and complexes are provided.
    Type: Grant
    Filed: October 23, 2020
    Date of Patent: May 19, 2026
    Assignee: The Governors of the University of Alberta
    Inventors: Michael Overduin, Mansoore Esmaili
  • Patent number: 12630678
    Abstract: Biaxially orientated film containing a) 1 to 25 percent by weight of at least 2 cyclic olefin polymers with a glass transition temperature in the range of 120 to 180° C. and b) 75 to 99 percent by weight of at least one semi-crystalline alpha-olefin polymer with a crystallite melting temperature in the range of 150 to 170° C., wherein the film contains at least a first cyclic olefin polymer and a second cyclic olefin polymer, wherein the second cyclic olefin polymer has a higher glass transition temperature than the first cyclic olefin polymer and wherein the weighted arithmetic mean of the glass transition temperatures of all the cyclic olefin polymers contained in the film is smaller than or equal to the weighted arithmetic mean of the crystallite melting temperature of all the semi-crystalline alpha-olefin polymers contained in the film.
    Type: Grant
    Filed: October 28, 2022
    Date of Patent: May 19, 2026
    Assignee: Brückner Maschinenbau GmbH & Co. KG
    Inventors: Christina Wagner, Roland Lund
  • Patent number: 12624137
    Abstract: This disclosure relates to ethylene interpolymer products comprising a Melt Flow-Intrinsic Viscosity Index value, MFIVI, of from ?0.05 to ?0.80; a first derivative of a melt flow distribution function, formula (I) of form ??1.85 to ??1.51; an unsaturation ratio, UR, of from >0.06 to ?0.60; and a residual catalytic metal of from ?0.03 to ?5 ppm of hafnium. Ethylene interpolymer products comprise at least two ethylene interpolymers. Ethylene interpolymer products are characterized by a melt index (I2) from 0.3 to 500 dg/minute, a density from 0.855 to 0.975 g/cc and from 0 to 25 mole percent of one or more a-olefins. Ethylene interpolymer products have polydispersity, Mw/Mn, from 1.7 to 25; and CDBI50 values from 1% to 98%. These ethylene interpolymer products have utility in flexible and rigid applications.
    Type: Grant
    Filed: July 23, 2021
    Date of Patent: May 12, 2026
    Assignee: NOVA Chemicals (International) S.A.
    Inventors: Zengrong Zhang, Fazle Sibtain, Stephen Brown, Monika Kleczek
  • Patent number: 12617906
    Abstract: Methods for forming polyolefin nanocomposite precursor compositions are provided. In embodiments, such a method comprises mixing a polyolefin, unmodified graphite, and a peroxide crosslinker via solid-state shear pulverization under conditions to form a polyolefin nanocomposite precursor composition comprising the polyolefin; exfoliated, unmodified graphite dispersed throughout the polyolefin; and unreacted peroxide crosslinker dispersed throughout the polyolefin, wherein the polyolefin is polyethylene, a copolymer of polyethylene, or combinations thereof. Methods of forming crosslinked polyolefin nanocomposites, the polyolefin nanocomposite precursor compositions, and crosslinked polyolefin nanocomposites are also provided.
    Type: Grant
    Filed: March 28, 2023
    Date of Patent: May 5, 2026
    Assignee: Northwestern University
    Inventors: John M. Torkelson, Tong Wei
  • Patent number: 12617878
    Abstract: Provided is a sulfur-containing unsaturated hydrocarbon polymer which can improve wet grip performance and fuel efficiency of a tire in a well-balanced manner by being blended into a rubber composition for a tire. A sulfur-containing unsaturated hydrocarbon polymer of the present invention is a reaction product obtained by reacting sulfur with an unsaturated bond in a polymer of an unsaturated hydrocarbon.
    Type: Grant
    Filed: August 20, 2020
    Date of Patent: May 5, 2026
    Assignee: ENEOS Materials Corporation
    Inventors: Keisuke Chino, Yusuke Matsuo, Makoto Ashiura
  • Patent number: 12612470
    Abstract: Provided are a liquid hydrocarbon production method for obtaining a liquid hydrocarbon-containing rubber composition, including heating a crosslinked rubber at 300° C. or lower in a reaction solvent that contains an aldehyde having a hydrocarbon group with 2 or more carbon atoms and having a boiling point of 230° C. or lower; as well as a re-crosslinked rubber obtained from the rubber composition produced in the production method, and a tire and a rubber industrial product. According to the liquid hydrocarbon production method, a liquid hydrocarbon having a higher molecular weight can be produced at a high decomposition proportion even under mild conditions.
    Type: Grant
    Filed: October 15, 2021
    Date of Patent: April 28, 2026
    Assignee: BRIDGESTONE CORPORATION
    Inventors: Masayuki Taniguchi, Takumi Toda
  • Patent number: 12599892
    Abstract: Articles comprising pressure-sensitive adhesives and methods of their use for removing micro- and nanoplastic particles from various media, including wastewater effluent, laundry effluent, and indoor air, are disclosed.
    Type: Grant
    Filed: November 29, 2022
    Date of Patent: April 14, 2026
    Assignees: The Procter & Gamble Company, The Regents of the University of Michigan
    Inventors: Dimitris Ioannis Collias, Anne McNeil, Paul Takunda Chazovachii, Woojung Ji
  • Patent number: 12595327
    Abstract: Imide-linked polymeric photoinitiators and compositions useful in the preparation of such polymeric photoinitiators and to the use of these polymers in, e.g., UV curable adhesives, UV curable coating compositions and UV curable encapsulants.
    Type: Grant
    Filed: July 12, 2021
    Date of Patent: April 7, 2026
    Assignee: Arkema France
    Inventors: Donald Herr, Thomas Hazell
  • Patent number: 12595359
    Abstract: Provided is a resin composition for forming an optical component, the resin composition including a cyclic olefin-based polymer and an anthraquinone-based dye, in which the cyclic olefin-based polymer includes at least one selected from a copolymer of ethylene or an ?-olefin and a cyclic olefin, and a ring-opening polymer of a cyclic olefin.
    Type: Grant
    Filed: April 24, 2020
    Date of Patent: April 7, 2026
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Yuki Hashimoto, Yasuyuki Soeda, Hisahiro Kato, Takayuki Okuno
  • Patent number: 12577398
    Abstract: Disclosed herein are polyesteramide random copolymers having high glass transition temperatures, methods of forming such polymers, devices, formulations, and medical devices containing such polymers, and methods of treating mammals suffering from various conditions using such polymers in combination with a bioactive agent. In an embodiment, the random copolymers may have a Tg above body temperature, about 37° C., and may achieve a longer release duration, different release kinetics, improved barrier properties, or other benefits over polymers with Tg below 37° C.
    Type: Grant
    Filed: November 12, 2020
    Date of Patent: March 17, 2026
    Assignee: DSM IP ASSETS B.V.
    Inventor: Gueorgui Mihov
  • Patent number: 12570772
    Abstract: The present invention relates to a process for the hydrogenation of an unsaturated hydrocarbon feedstock comprising: (1) preparing a granular material, wherein the particles of the granular material comprise a hydrogenation catalyst, or a precursor thereof, and one or more organic compounds, wherein the one or more organic compounds comprise one or more carboxlic acid and/or one or more ester and/or one or more ether moieties; (2) providing an unsaturated hydrocarbon feedstock; (3) preparing a mixture comprising the granular material obtained in (1), the unsaturated hydrocarbon feedstock provided in (2), hydrogen gas, and optionally a solvent system; (4) heating the mixture prepared in (3) to a temperature in the range of from 210 to 360° C. for hydrogenating the hydrocarbon feedstock.
    Type: Grant
    Filed: February 15, 2021
    Date of Patent: March 10, 2026
    Assignee: IQATALYST B.V.
    Inventors: Bernard Reesink, Robert Terorde, Irina Yarulina, Robert Willem Gosselink
  • Patent number: 12570849
    Abstract: A thermosetting composition comprising a crosslinkable component such as a vinyl ester and/or an unsaturated polyester, and an initiator component, such as cumene hydroperoxide or BPO or blends of cumene hydroperoxide and methyl ethyl ketone peroxide. The composition is suitable to be used in additive manufacturing to form objects such as molds or prototypes.
    Type: Grant
    Filed: November 27, 2023
    Date of Patent: March 10, 2026
    Assignee: Polynt Composites USA, Inc.
    Inventors: Steven L. Voeks, John Robert Ilkka, Robert M. Adams, Allen Chanzhe Lee, Michael Allen Mathews
  • Patent number: 12565552
    Abstract: In various embodiments, a bimodal polyethylene may include a high molecular weight component and a low molecular weight component. The bimodal polyethylene may have a density of from 0.933 grams per centimeter (g/cm3) to 0.960 g/cm3, a melt index (I2) of from 0.3 decigrams per minute (dg/min) to 1.2 dg/min, a melt flow ratio (MFR21) greater than 80.0, a molecular weight distribution (Mw/Mn) greater than 10, a reverse comonomer distribution, and a shear thinning index of from 5.0 to 20.0. Methods for producing the bimodal polyethylene, articles manufactured from the bimodal polyethylene are also provided.
    Type: Grant
    Filed: July 7, 2021
    Date of Patent: March 3, 2026
    Assignee: Dow Global Technologies LLC
    Inventors: Mohamed Esseghir, Chuan C. He, Mridula Kapur, Andrew T. Heitsch, Theo Geussens, John F. Szul