Patents Examined by Irina S. Zemel
  • Multiblock amphiphilic polymers
    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
  • Bio-based EVA compositions and articles and methods thereof
    Patent number: 11267959
    Abstract: A copolymer may include ethylene and vinyl acetate, in which the ethylene is at least partially obtained from a renewable source of carbon. Embodiments may also be directed to curable polymer compositions, expandable polymer compositions, articles, cured articles, and expanded articles formed from or including such copolymers of ethylene and vinyl acetate, in which the ethylene is at least partially obtained from a renewable source of carbon. A process for producing an ethylene vinyl acetate copolymer may include polymerizing ethylene at least partially obtained from a renewable source of carbon with vinyl acetate to produce the ethylene vinyl actate copolymer.
    Type: Grant
    Filed: April 16, 2019
    Date of Patent: March 8, 2022
    Assignee: Braskem S.A.
    Inventors: Giancarlos Delevati, Mauro Alfredo Soto Oviedo, Fernanda Munhoz Anderle, Omar Wandir Renck, José Augusto Esteves Viveiro
  • Rubber composition and rubber crosslinked product
    Patent number: 11267956
    Abstract: A rubber composition containing: a solid rubber (A) having a weight-average molecular weight (Mw) of 100,000 or more; and a liquid monocyclic olefin ring-opened polymer (B) having a weight-average molecular weight (Mw) of 1,000 to 50,000, wherein a proportion of the liquid monocyclic olefin ring-opened polymer (B) is 1 to 100 parts by weight per 100 parts by weight of the solid rubber (A).
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: March 8, 2022
    Assignee: ZEON CORPORATION
    Inventors: Yasuo Tsunogae, Shingo Okuno, Hiroyuki Nitadori
  • Incorporation of chitosan in microcapsule wall
    Patent number: 11260359
    Abstract: The microcapsules and process of making describe a novel core shell microcapsule. The microcapsule incorporates a polysaccharide such as chitosan into the microcapsule wall forming the shell. The microcapsule shell is formed by dissolving chitosan into a material of structure wherein each R is independently selected from hydrogen, C1 to C8 alkyl, or a cyano group; and each y is independently an integer from 1 to 8, and reacting with a multifunctional (meth)acrylate.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: March 1, 2022
    Inventors: Presley Genevie Neuman, Linsheng Feng
  • Cleaning implement comprising a modified open-cell foam
    Patent number: 11259680
    Abstract: The present invention relates to a cleaning implement that includes a melamine-formaldehyde foam. The melamine-formaldehyde foam cleaning implement has a d90/d10 ratio above 1.65 and a compression deflection force above 3.25 psi. Additionally the present invention encompasses processes for making and methods for cleaning hard surfaces with a cleaning implement according to the present invention.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: March 1, 2022
    Assignee: The Procter & Gamble Company
    Inventors: David John Pung, Megan Showell Roberts, Johann Martin Szeifert
  • Core-shell capsules for encapsulation of particles, colloids, and cells
    Patent number: 11260080
    Abstract: Methods for preparing capsules, such as micro- and/or nanocapsules from all-aqueous emulsions are described herein. The method includes mixing, combining, or contacting a first electrically charged phase containing a first solute with at least an optionally charged second phase containing a second solute. The solutes are incompatible with each other. The electrostatic forces between the two solutions induce the formation of droplets of a dispersed phase in a continuous phase. The droplets are then solidified to form the capsules.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: March 1, 2022
    Assignee: Versitech Limited
    Inventors: Ho Cheung Shum, Yang Song
  • Block copolymer and method of producing the same, and method of producing structure containing phase-separated structure
    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
  • Plastic living hinges with block composite polymer
    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
  • Production of melamine-formaldehyde foams
    Patent number: 11254795
    Abstract: A process for producing a melamine-formaldehyde foam by heating and foaming an aqueous mixture M using microwave radiation, said mixture M comprising at least one melamine-formal-dehyde precondensate, at least one curative, at least one surfactant, at least one blowing agent and at least one linear polymer with a number average molecular weight Mn in the range from 500 to 10,000 g/mol and at least two functional groups selected from OH, NH2 or COOH as well as a melamine-formaldehyde foam obtainable by this process and its use.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: February 22, 2022
    Assignee: BASF SE
    Inventors: Johann Martin Szeifert, Bernhard Vath, Tobias Heinz Steinke, Bettina Wester, Cecile Schneider, Sebastian Alexander Weisse, Peter Wolf, Werner Lenz, Axel Kirste, David John Pung, Megan Roberts
  • Ceramics with engineered microstructures via 3D printing and templated grain growth
    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
  • Polyethylene blend composition
    Patent number: 11236220
    Abstract: A crosslinkable low density polyethylene blend composition, cured product made therefrom, methods of making and using same, and articles containing same.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: February 1, 2022
    Assignee: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Stephen H. Cree, Mikhail Bogdanov
  • Method for producing porous microstructure
    Patent number: 11236184
    Abstract: The invention relates to production of a porous microstructure using the high internal phase emulsion (HIPE) templating technology. The invented method involves subjecting an emulsion prepared by emulsification of two immiscible phases to forced sedimentation, such as subjecting the emulsion to centrifugation, so as to increase the volume ratio of the dispersed phase to the continuous phase to obtain a high internal phase emulsion (HIPE), following by curing the continuous phase, whereby the porous microstructure thus produced has an increased porosity.
    Type: Grant
    Filed: February 24, 2021
    Date of Patent: February 1, 2022
    Assignee: Tantti Laboratory Inc.
    Inventors: Shih-Yu Wang, Hui Chen, Pang Lin, Min-Shyan Sheu
  • Melt processible fluororesin composition and injection molded article formed from same
    Patent number: 11236226
    Abstract: Provided is a melt processible fluororesin composition for injection molding of articles that has melt flow that facilitates injection molding, that can enhance strength of a fluororesin weld line area in an injection molded article, and that achieves excellent release from a mold. The fluororesin composition includes two or more types of melt processible fluororesins having different melt flow rates; one of the melt processible fluororesins being a high melt flow rate melt processible fluororesin having a melt flow rate of 35 g/10 min or greater, and another being a low melt flow rate melt processible fluororesin having a melt flow rate of 10 g/10 min or greater but less than 35 g/10 min; and wherein the ratio of the melt flow rate (MFRa) of the high MFR melt processible fluororesin to the melt flow rate (MFRb) of the low MFR melt processible fluororesin (MFRa/MFRb) is from 1 to 10.
    Type: Grant
    Filed: June 4, 2019
    Date of Patent: February 1, 2022
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Takahiro Nishimura, Toshiki Kitagawa
  • Expanded beads and molded object thereof
    Patent number: 11225562
    Abstract: The present invention provides expanded beads comprising a crosslinked multi-block copolymer containing an ethylene block and an ethylene-?-olefin copolymer block, having an apparent density of 40 to 300 g/L, a gel fraction of 30 to 70% by weight by a hot xylene extraction method, an average cell diameter (a) of 50 to 180 ?m, and an average surface layer thickness (b) of 3 to 27 ?m, and the expanded beads are excellent in in-mold moldability, and can produce an expanded beads molded article being excellent in tensile characteristics in a well balanced manner.
    Type: Grant
    Filed: September 15, 2017
    Date of Patent: January 18, 2022
    Assignee: JSP Corporation
    Inventors: Shota Takagi, Masaharu Oikawa
  • Cleaning implement comprising a modified open-cell foam
    Patent number: 11224328
    Abstract: The present invention relates to a cleaning implement that includes a melamine-formaldehyde foam. The melamine-formaldehyde foam includes from about 0.1 to about 5 weight % of at least one linear polymer with a number average molecular weight Mn in the range from 500 to 10,000 g/mol. Additionally the present invention encompasses processes for making and methods for cleaning hard surfaces with a cleaning implement according to the present invention.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: January 18, 2022
    Assignee: The Procter & Gamble Company
    Inventors: David John Pung, Megan Showell Roberts, Johann Martin Szeifert
  • Fluoroelastomer composition
    Patent number: 11220588
    Abstract: The invention pertains to a (per)fluoroelastomer composition comprising at least one (per)fluoroelastomer comprising iodine and/or bromine atoms, at least one polyunsaturated compound, at least one organic peroxide and at least one organic compound selected from the group consisting of (thio)urea compounds, cyclic addition products of ammonia or primary amine and aldehyde; (thio)carbamates.
    Type: Grant
    Filed: May 30, 2016
    Date of Patent: January 11, 2022
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Matteo Fantoni, Marco Avataneo, Stefano Bossolo
  • Block copolymer, ion-exchange membrane and method of preparing block copolymer
    Patent number: 11220583
    Abstract: A block copolymer, an ion-exchange membrane including the block copolymer and a method of preparing the block copolymer are provided. The block copolymer may include a hydrophobic repeating unit and a hydrophilic repeating unit.
    Type: Grant
    Filed: June 10, 2020
    Date of Patent: January 11, 2022
    Assignee: Korea Institute Of Energy Research
    Inventors: Byungchan Bae, Sung-Dae Yim, Chang-Soo Kim, Won-Yong Lee, Gu-Gon Park, Tae-Hyun Yang, Seok-Hee Park, Minjin Kim, Young-Jun Sohn, Seung-Gon Kim, Dong Won Shin, Adam Febriy-Anto Nugraha
  • Processing aids and polymer formulations containing the same and method for producing the same
    Patent number: 11214640
    Abstract: A multi-stage emulsion processing aid polymer comprising one or more functionalized ethylenically unsaturated monomer into the emulsion polymerization reactor, wherein the functionality is selected from the group consisting of ?-keto esters, ?-keto amides, ?-diketones, cyanoacetic esters, malonates, nitroalkanes, ?-nitro esters, sulfonazides, thiols, thiol-s-triazines, and amine, where the functionality is incorporated into polymers by polymerizing, ethylenically unsaturated monomers containing these functionalities or by post functionalization of a polymer with additional reactions after polymerization in one of the first or second stages. Foamable halogenated polymers comprising the multi-stage emulsion processing aid polymer is also provided. Also provided are methods for making the multi-stage emulsion processing aid polymer and foamable halogenated polymers.
    Type: Grant
    Filed: February 3, 2016
    Date of Patent: January 4, 2022
    Assignee: Rohm and Haas Company
    Inventors: Paul R. Van Rheenen, Steven J. Broadwater
  • Modified conjugated diene-based polymer and rubber composition thereof, and tire
    Patent number: 11207918
    Abstract: A modified conjugated diene-based polymer containing: having a weight average molecular weight of 20×104 or more and 300×104 or less, having a star-branched structure with a conjugated diene-based polymer chain bonded to a modifier residue, wherein the modifier residue has at least 4 silicon atoms, and alkoxy groups and/or hydroxyl groups and the conjugated diene-based polymer chain is bonded to the silicon atom, wherein the number of alkoxy groups and/or hydroxyl groups in the modifier residue is larger than the number of the silicon atoms on average.
    Type: Grant
    Filed: August 7, 2017
    Date of Patent: December 28, 2021
    Assignees: Asahi Kasei Kabushiki Kaisha, Bridgestone Corporation
    Inventors: Miki Kyo, Shinichi Sekikawa
  • Ethylene-methoxy polyethylene glycol methacrylate copolymers
    Patent number: 11203682
    Abstract: The copolymerization of ethylene (E) and methoxy polyethylene glycol methacrylate (MPEGMA) produces the copolymer co-E-MPEGMA. These copolymers are distinct from polyethylene, e.g., low density polyethylene (LDPE) grafted with MPEGMA, i.e., g-E-MPEGMA, and are useful in the preparation of insulation sheaths for medium, high and extra-high voltage cables. Such cables exhibit good water tree retardance.
    Type: Grant
    Filed: June 12, 2018
    Date of Patent: December 21, 2021
    Assignee: Dow Global Technologies LLC
    Inventors: Qian Gou, Manish Talreja, Bharat Chaudhary, John Osby