Patents Examined by Jeffrey S Lenihan
  • Patent number: 11440977
    Abstract: A latex processing system and method involves mixing a latex and at least one solvent blend in an extruder, in order to remove resin found in the latex and to coagulate the latex to form a coagulum. The at least one solvent blend has a first solvent configured to coagulate the latex, and a second solvent configured to swell the resulting coagulum. In particular, a series of the solvent blends may be used at different locations along a length of the extruder, and may further include distinct blends of the first solvent and the second solvent, introduced at the different locations, and having different ratios of the first solvent and the second solvent.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: September 13, 2022
    Assignee: Cooper Tire & Rubber Company
    Inventors: Nicolas Sauty, Brittney Sunday, Howard Colvin
  • Patent number: 11440843
    Abstract: The invention relates to a modified geopolymer and a modified geopolymer composite comprising additive. The additive is preferably an athermanous additive. The modification is with one or more water-soluble compounds, the water-soluble compound is preferably selected from phosphorus compounds, nitrogen compounds, copper compounds, silver compounds, zinc compounds, tin compounds and magnesium compounds. Also, it relates to compositions which contain the modified geopolymer or modified geopolymer composite. The compositions preferably comprise vinyl aromatic polymer and are in the form of a foam.
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: September 13, 2022
    Assignee: SYNTHOS S.A.
    Inventors: Filip Lukasz Kondratowicz, Kamil Utrata, Marzena Mikoszek-Operchalska
  • Patent number: 11441024
    Abstract: The invention relates to a process for producing a polypropylene composition having an improved balanced combination of high flowability, high stiffness and impact, and high level of optical properties. Further, the invention relates to the polypropylene composition having the above-mentioned properties, as well as an article comprising the polypropylene composition.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: September 13, 2022
    Assignee: Borealis AG
    Inventors: Jingbo Wang, Markus Gahleitner, Elisabeth Potter, Jani Aho, Klaus Bernreitner, Luc Monnissen, Meta Cigon
  • Patent number: 11427747
    Abstract: The present invention relates to the use of a sequenced polymer as an agent for monitoring the filtrate in a fluid injected under pressure into an oil rock, wherein the fluid comprises solid particles and/or is brought into contact with solid particles within the oil rock after being injected, the polymer comprising at least three blocks, including: at least one first block which is adsorbed, preferably irreversibly, onto at least some of the particles (p); a second block (B) having a composition other than that of the first and a mean molecular weight of more than 10,000 g/mol, and which is soluble in the fluid (F); and at least one third block of type (A) or type (B).
    Type: Grant
    Filed: September 15, 2020
    Date of Patent: August 30, 2022
    Assignee: RHODIA OPERATIONS
    Inventors: Arnaud Cadix, David James Wilson
  • Patent number: 11427700
    Abstract: A method of manufacturing a rubber composition is provided. The method includes: (a) allowing a mixture including a conjugated diene-based monomer to react in the presence of a first catalyst; (b) introducing a carboxylic acid-based compound into the product of the step (a) to deactivate the first catalyst; and (c) introducing a second catalyst and a conjugated diene-based monomer into the product of the step (b) and allowing the second catalyst and the conjugated diene-based monomer to react with the product of the step (b).
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: August 30, 2022
    Assignee: KOREA KUMHO PETROCHEMICAL CO., LTD.
    Inventors: Jae Yun Kim, Yeong Min Jung, Soojung Park
  • Patent number: 11421064
    Abstract: The present invention relates to a process for the production of modified polyethylene comprising adding a free radical initiator composition and a polar monomer in extrusion of polyethylene materials with a melt mass flow rate (MFR) as determined in accordance with ISO 1133-1 (2011) at 190° C. under a load of 2.16 kg of between 0.5 and 75 g/10 min characterized in that the free radical initiator composition is added in quantities between 0.01 wt % to 5 wt % compared to the total weight of the polyethylene material wherein the extrusion is performed at a temperature between 230° C. and 350° C. Such process allows for the production of modified polyethylenes, such as having an amount of grafted polar monomer, such as maleic anhydride, of >3 wt %, with low amount of free, unreacted monomer whilst maintaining or not significantly modifying melt properties such as melt mass flow rate.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: August 23, 2022
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Franciscus Petrus Hermanus Schreurs, Jan Nicolaas Eddy Duchateau
  • Patent number: 11390776
    Abstract: The present invention relates to a composition suitable as (meth)acrylic adhesive composition comprising a multistage polymer in form of polymeric particles and a (meth)acrylic polymer, its process of preparation, and its use. In particular the present invention relates to a structural (meth)acrylic adhesive composition comprising a multistage polymer in form of polymeric particles made by a multistage process and a (meth)acrylic polymer, its process of preparation and its use. More particularly the present invention relates to structural (meth)acrylic adhesive composition made from a two part composition comprising a multistage polymer in form of polymeric particles made by a multistage process and a (meth)acrylic polymer, its process of preparation, and its use.
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: July 19, 2022
    Assignee: Arkema France
    Inventors: Philippe Hajji, Rosangela Pirri, Rabi Inoubli, Guillaume Michaud
  • Patent number: 11390733
    Abstract: A compound suitable for use in producing articles including foamed articles can include 100 parts per hundred rubber (phr) of a branched ethylene propylene diene monomer (EPDM) elastomer comprising 35 wt % to 70 wt % ethylene derived units, 20 wt % to 64 wt % propylene derived units, and 1 wt % to 10 wt % diene derived units, wherein the EPDM elastomer has a Mooney viscosity (ML) (1+4) at 125° C. of 30 MU to 120 MU, a corrected Mooney relaxation area (cMLRA) at 80 ML of 300 MU·sec to 1000 MU·sec, and long chain branching (LCB) g? (vis) of 0.80 to 1.0; 75 phr to 200 phr of a filler; 25 phr to 125 phr of a processing oil; 5 phr to 50 phr of a curative, and optionally 0.1 phr to 25 phr of a foaming agent.
    Type: Grant
    Filed: November 20, 2019
    Date of Patent: July 19, 2022
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Narayanaswami Dharmarajan, Zhifeng Bai, Andy H. Tsou, Rhutesh K. Shah, John R. Hagadorn
  • Patent number: 11370904
    Abstract: The invention relates to a process for producing a polypropylene composition by sequential polymerization the polypropylene composition having an improved balanced combination of high flowability, high stiffness and impact, and high level of optical properties.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: June 28, 2022
    Assignee: BOREALIS AG
    Inventors: Jingbo Wang, Markus Gahleitner, Elisabeth Potter, Jani Aho, Klaus Bernreitner, Luc Monnissen, Meta Cigon
  • Patent number: 11359077
    Abstract: A tire has an outer sidewall, said outer sidewall comprising at least one composition based on an elastomeric matrix comprising: one or more thermoplastic elastomers comprising at least one elastomer block and at least one thermoplastic block, the elastomer block(s) not denoting one or more polyisobutylene blocks; and one or more synthetic diene elastomers selected from butadiene polymers having a glass transition temperature of less than or equal to ?50° C.; said composition comprising at least one crosslinking system and one or more reinforcing fillers.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: June 14, 2022
    Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventor: Christophe Chouvel
  • Patent number: 11332603
    Abstract: The present invention is directed to a polypropylene composition (C) comprising a heterophasic propylene copolymer (HECO1) having an intrinsic viscosity (IV) of the xylene soluble fraction (XCS) above 3.5 dl/g, an inorganic filler (F) and a nucleating agent (NU) being a dicarboxylic acid and/or a salt thereof. Further, the present invention is directed to the use of said polypropylene composition (C) for the production of a foamed article as well as a foamed article comprising said polypropylene composition (C). The present invention is also directed to the use of a nucleating agent (NU) being dicarboxylic acid and/or a salt thereof for the reduction of tigerskin of a polypropylene composition.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: May 17, 2022
    Assignee: BOREALIS AG
    Inventors: Daniela Mileva, Susanne Kahlen, Georg Grestenberger, Anton Sageder, Christof Wurnitsch, Anna Hartl, Patrick Rover, Erwin Pirklbauer
  • Patent number: 11326047
    Abstract: The present invention relates to a method of preparing a thermoplastic resin. More particularly, the present invention relates to a method of preparing a thermoplastic resin, the method including A) a step of coagulating an emulsion-polymerized latex with an acid; B) a step of treating the coagulated aggregate (slurry) with a base, followed by dehydration; and C) a step of treating the dehydrated wet powder with an acid, followed by dehydration. A method of preparing a thermoplastic resin which exhibits reduced gas generation, color improvement, and superior thermal stability is provided.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: May 10, 2022
    Assignee: LG Chem, Ltd.
    Inventors: In Soo Kim, Hyung Sub Lee, Min Cheol Ju, Min Seung Shin, Sung Won Hong
  • Patent number: 11326044
    Abstract: The resin composition contains: a resin component containing an ethylene-(meth)acrylate ester copolymer and at least one of an ethylene-propylene-diene terpolymer or ethylene-acrylate rubber; and a flame retardant, and the resin component is crosslinked. The tensile stress at 19% strain of the resin composition is 2.0 MPa or less, and the resin composition has heat resistance at 150° C. prescribed in JASO D624.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: May 10, 2022
    Assignee: YAZAKI CORPORATION
    Inventor: Akihiro Taki
  • Patent number: 11292860
    Abstract: Ethylene-vinyl alcohol copolymer pellets comprise an ethylene-vinyl alcohol copolymer and water, and have a water content of not higher than 0.5 wt. %, wherein the ratio (Y/Z) of a lactone ring content (Y) to the sum (Z) of a carboxylic acid content (X) and the lactone ring content (Y) in terminal structures of the ethylene-vinyl alcohol copolymer is not less than 60 mol %. The pellets are excellent in high-temperature thermal decomposition-suppressing effect and thermal stability, and are free from odor emanation and coloration even if being processed at a higher temperature.
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: April 5, 2022
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Kota Inoue, Honoka Hashimoto, Nobuaki Sato
  • Patent number: 11292900
    Abstract: Polypropylene composition comprising a heterophasic polypropylene (HECO) and a bimodal metallocene linear low-density polyethylene (mLLDPE), as well as articles obtained from said polypropylene composition. The present invention is further related to the use of a bimodal metallocene linear low-density polyethylene (mLLDPE) as modifier for heterophasic polypropylenes (HECOs) to improve impact strength and optics.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: April 5, 2022
    Assignee: Borealis AG
    Inventors: Markus Gahleitner, Jingbo Wang, Klaus Bernreitner, Pauli Leskinen
  • Patent number: 11282741
    Abstract: Methods for fabricating sub-lithographic, nanoscale microstructures utilizing self-assembling block copolymers, and films and devices formed from these methods are provided.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: March 22, 2022
    Assignee: Micron Technology, Inc.
    Inventors: Dan B. Millward, Timothy A. Quick
  • Patent number: 11267923
    Abstract: The present invention relates to a process for preparing a polymer with a mass Mw of less than 300 000 g/mol (especially between 1000 and 300 000 g/mol), comprising a step (E) of controlled radical polymerization in which the following are placed in contact in an aqueous medium in which are dispersed surfactant micelles: ethylenically unsaturated hydrophilic monomers predominantly present in the aqueous medium; partially water-soluble ethylenically unsaturated hydrophobic monomers different from the preceding monomers, at least partly present in the surfactant micelles, and having a solubility in the aqueous medium at least equal to that of hexyl acrylate; at least one radical polymerization initiator; and at least one radical polymerization control agent.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: March 8, 2022
    Assignee: RHODIA OPERATIONS
    Inventors: Simon Harrisson, James Wilson
  • Patent number: 11261299
    Abstract: A block copolymer including a first block consisting of a polymer having a repeating structure of a structural unit (u1) containing no silicon atom, and a second block consisting of a polymer having a repeating structure of a structural unit (u2) containing a silicon atom, the second block containing a block (b21) consisting of a polymer having a repeating structure represented by general formula (u2-1), and a block (b22) consisting of a polymer having a repeating structure of a structural unit (u22) containing a silicon atom, and the block (b22) is positioned between the first block and the block (b21) (wherein RP211 represents an alkyl group, a halogenated alkyl group, a hydrogen atom, or an organic group having a polar group; and RP212 represents an organic group having a polar group).
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: March 1, 2022
    Assignees: Tokyo Ohka Kogyo Co., Ltd., Tokyo Institute of Technology
    Inventors: Akiyoshi Yamazaki, Daisuke Kawana, Takehiro Seshimo, Teruaki Hayakawa, Lei Dong, Rin Odashima
  • Patent number: 11261316
    Abstract: The present disclosure provides a plastic living hinge. The plastic living hinge includes a blend containing (A) an ethylene-based polymer; and (B) a composite component selected from the group consisting of a block composite, a crystalline block composite, and a combination thereof.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: March 1, 2022
    Assignee: Dow Global Technologies LLC
    Inventors: Yijian Lin, Yushan Hu, Todd A. Hogan, Colin Li Pi Shan, Keran Lu, Mridula Kapur
  • Patent number: 11242289
    Abstract: A three-dimensional (3D) printing composition includes ceramic filaments comprising an additive having an aspect ratio of at least 2:1. 3D printed ceramic articles include the ceramic filaments.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: February 8, 2022
    Assignee: RAYTHEON COMPANY
    Inventor: Christopher S. Nordahl