Patents Examined by Mark S Kaucher
  • Medical tubing and compositions and methods for making therefor
    Patent number: 11524150
    Abstract: Disclosed herein in is a medical tube comprising a hydrogenated styrenic block copolymer having a formula A-B-A, (A-B-A)nX or (A-B)nX is disclosed, where n is an integer from 2 to 30, and X is residue of a coupling agent. Prior to hydrogenation, each A block is a monoalkenyl arene homopolymer block having a true peak molecular weight of 5 kg/mol to 15 kg/mol. Each B block is a controlled distribution copolymer block having a true peak molecular weight of 30 kg/mol to 200 kg/mol. The hydrogenated styrenic block copolymer has a midblock poly(monoalkenyl arene) content of 35 wt. % to 50 wt. % based on the total weight of the midblock, and physical properties that makes it useful for producing medical tubes having kink resistance.
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: December 13, 2022
    Assignee: KRATON POLYMERS LLC
    Inventors: Donn Dubois, Aparajita Bhattacharya
  • Radically polymerizable compositions
    Patent number: 11518834
    Abstract: Polymerizable compositions comprising a radically polymerizable resin can be polymerized in the absence of a peroxide initiator and other undesirable components. The polymerizable compositions and methods employ a manganese- or iron-containing salt or organic complex and a 1,3-dioxo compound with one or more other components. The polymerizable compositions have better storage stability and reduced gel time-drift.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: December 6, 2022
    Assignee: Polynt Composites USA, Inc.
    Inventors: Hildeberto Nava, James Anthony Skrobacki, Samuel T. Freeman
  • Electrode protective layer polymer and secondary battery to which same is applied
    Patent number: 11518836
    Abstract: A polymer for an electrode protective layer including a polymer (A) including a fluorine-based polymer in which a monomer unit including poly(alkylene oxide) and a monomer unit including a curable functional group (e.g., a thermocurable functional group or a photocurable functional group) are grafted on the fluorine-based polymer, and when preparing an electrode by coating an electrode active material layer using the polymer and curing (e.g., thermally curing or photocuring) the result, excellent lithium ion conductivity is obtained since lithium ion flow is not inhibited, chemical resistance for an electrolyte liquid is high, and voltage stability of a secondary battery may be enhanced by suppressing side reactions with the electrolyte liquid occurring on an electrode active material surface due to properties of a uniform and flexible protective layer.
    Type: Grant
    Filed: May 8, 2019
    Date of Patent: December 6, 2022
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Jeongae Yoon, Sujee Kwon, Bora Jung, Sung Soo Yoon, Byoungkuk Son, Eunkyung Park, Minchul Jang
  • Thermoplastic vulcanizate composition with bi-continuous nanostructured morphology
    Patent number: 11512184
    Abstract: A thermoplastic vulcanizate composition, comprising a first phase bi-continuously intertwined with from about 10 wt % to 80 wt % of a second phase throughout the composition, and from about 0.1 wt % to about 10 wt % of a curative system, the first phase comprising polypropylene and the second phase comprising an at least partially cured elastomeric rubber composition, comprising from about 10 wt % to about 40 wt % ethylene, from about 5 wt % to about 10 wt % of a conjugated diene having from 4 to 12 carbon atoms, and from about 50 wt % to about 85 wt % of a C4-C8 alpha olefin, based on the total weight of the elastomeric rubber composition present. A process for making is also disclosed.
    Type: Grant
    Filed: July 14, 2020
    Date of Patent: November 29, 2022
    Assignee: Celanese International Corporation
    Inventors: Carlos R. Lopez-Barron, Hamidreza Khakdaman, Brian J. Rohde
  • Polymeric substrate including a barrier layer
    Patent number: 11512193
    Abstract: A polymeric substrate is disclosed. The polymeric substrate comprises a barrier layer including a polymeric material comprising about 50 wt. % or more of at least one polyolefin polymer and 50 wt. % or less of a hydrocarbon resin. The polymeric material exhibits a DTUL of 30° C. or more and a tensile modulus of 500 MPa or more and/or a flexural secant modulus of 500 MPa or more. The barrier layer has a thickness of greater than 200 ?m to 6,500 ?m. A shaped polymeric article comprising the polymeric substrate is also disclosed.
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: November 29, 2022
    Inventors: Ross Michael Mahan, Billy R. Bodiford
  • Polyolefin elastomer blends for elastomeric films
    Patent number: 11512191
    Abstract: A thermoplastic elastomer compound includes a polyolefin elastomer blend of at least two different polyolefin elastomers, styrene-ethylene/butylene-styrene block copolymer, and plasticizer. The compound has a Melt Flow Rate (230° C., 2.16 kg) of no less than about 5 g/10 min and a Melt Flow Rate (190° C., 2.16 kg) of no less than about 1 g/10 min. Elastomeric films formed from the compound can be used in place of elastomeric films based on styrene-isoprene-styrene (SIS) block copolymers to make components of disposable hygiene articles.
    Type: Grant
    Filed: November 9, 2018
    Date of Patent: November 29, 2022
    Assignee: Avient Corporation
    Inventors: Ketan Shah, Cesar Cruz
  • Polyolefin-acrylic particles
    Patent number: 11499040
    Abstract: Provided is a dispersion of composite particles in an aqueous medium, wherein the composite particles comprise (I) a crosslinked polyolefin core, and (II) a full or partial shell comprising polymerized units of one of more vinyl monomers.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: November 15, 2022
    Assignees: Rohm and Haas Company, Dow Global Technologies LLC
    Inventors: Liang Chen, Andy Jun Li, Matthew Carter, Robert S. Moglia, Ralph C. Even, John F. Kohn, Carlos A. Cruz, Yannick Saint-Gerard, Douglas J. Hasso, Miroslav Janco
  • Polymer composition with improved paint adhesion
    Patent number: 11492478
    Abstract: The invention is directed at a polypropylene composition comprising a heterophasic propylene copolymer, a plastomer and an inorganic filler. Furthermore, the invention directed at an article comprising the polypropylene composition and the use of the polypropylene composition to improve the adhesion performance of an article.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: November 8, 2022
    Assignee: Borealis AG
    Inventors: Claudia Kniesel, Thomas Lummerstorfer, Anton Sageder, Michael Otte, Andreas Jahn, Angelica Maëlle Delphine Legras
  • Modified polyvinyl alcohol-based polymer and its application
    Patent number: 11492436
    Abstract: The present disclosure provides a modified polyvinyl alcohol-based polymer, which comprises a modifying monomer unit represented by Formula wherein, X is a moiety comprising an alkenyl group, and the modified polyvinyl alcohol-based polymer has a saponification degree of 67 mol % to 78 mol % and a modification rate of 0.02 mol % to 1.5 mol %. The modified polyvinyl alcohol-based polymer is suitable to be used as a dispersant for suspension polymerization, to make the obtained polyvinyl chloride-based resin have reduced particle diameter and few coarse particles.
    Type: Grant
    Filed: January 24, 2022
    Date of Patent: November 8, 2022
    Assignee: CHANG CHUN PETROCHEMICAL CO., LTD.
    Inventors: Jyun-Ru Sun, Huan-Ming Chang, Cheng-Fan Wang, Chia-Hao Hsu
  • Resin molded article for seal
    Patent number: 11479645
    Abstract: The resin molded article includes a main body part configured to be mounted to a car body panel, a cantilever-shaped seal part for sealing a gap in the car body panel, and a hollow tubular-shaped seal part. The seal part is in resilient contact with the car body panel in a state of being mounted to the car body panel. The seal part is molded from a thermoplastic elastomer containing 25 wt % or more of an olefin block copolymer. It is preferable that the thermoplastic elastomer also contains a dynamically crosslinked olefin-based elastomer in addition to the olefin block copolymer.
    Type: Grant
    Filed: February 9, 2018
    Date of Patent: October 25, 2022
    Assignee: TOKAI KOGYO CO., LTD.
    Inventors: Yoshinori Goto, Yasuhiro Hirata
  • Opaque high-impact methyl methacrylate-butadiene-styrene polymer for improving impact resistance of polyvinyl chloride and preparation method thereof
    Patent number: 11479659
    Abstract: An opaque high-impact methyl methacrylate-butadiene-styrene polymer (MBS) for improving impact resistance of polyvinyl chloride (PVC) including the following components by mass: 80-95% of core layer, 4-20% of shell layer and 0.001-0.05% of protective colloid, where the core layer is a butadiene (B) and styrene (S) polymer, the shell layer is one or a copolymer of two or three of S, acrylate and methyl methacrylate (MMA), and the protective colloid includes one or a compound of two or three of polyvinyl alcohol (PVA), gelatin and hydroxypropylmethyl cellulose (HPMC), may solve the problems of low impact resistance in the existing MBS product and difficult coagulation or spraying in the post-treatment process.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: October 25, 2022
    Assignee: SHANDONG DONGLIN NEW MATERIALS CO., LTD
    Inventors: Xiaoquan Zhang, Tonggang Yi, Yongquan Xia, Honggang Zhao, Wen Liu, Boxiao Zou, Duo Xu, Xiaomin Ma
  • Leak-free stopper having low breakloose and sustaining forces
    Patent number: 11471605
    Abstract: A thermoplastic elastomer stopper that meets the desired material properties of a stopper for a syringe assembly is disclosed. The compression set of the thermoplastic elastomer stopper of the present disclosure is ?50% when measured at 25% compression for 22 hrs at 70 degree C. The hardness of the thermoplastic elastomer stopper of the present disclosure is 40-70 Shore A. The viscosity of a thermoplastic elastomer stopper of the present disclosure is ?70 Pa·s at 1,000 s?1 shear rate, ?12.0 Pa·s at 10,000 s?1 shear rate, and ?3.0 Pa·s at 50,000 s?1 shear rate when measured using a capillary rheometer at 205 degree C. (Die: Roundhole 20 mm length/1 mm diameter/180 degree inlet, Piston: d=15 mm, and melting time=7 min). The present non-lubricated stopper exhibits the required functional performance of a lubricated stopper.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: October 18, 2022
    Assignee: Becton, Dickinson and Company
    Inventors: Shishir Prasad, Gheorghe Cojocariu, Sathya Kaliyamoorthy, Chad Smith, Ankur Kulshrestha, Richard G. Giddes, Gerald Bonczynski, Kweku Addae-Mensah
  • Block copolymers, membranes and methods
    Patent number: 11459420
    Abstract: Block copolymers, thin films including block copolymers, and methods for forming block copolymers and thin films. The block copolymers, due to self-assembly or otherwise, may include one or more regions. The one or more regions may permit a thin film including a block copolymer to be used as a nanostructured membrane.
    Type: Grant
    Filed: April 27, 2021
    Date of Patent: October 4, 2022
    Assignee: The Florida State University Research Foundation, Inc.
    Inventors: Justin G. Kennemur, Brandon A. Fultz
  • Perfluoroelastomer composition
    Patent number: 11459429
    Abstract: The invention pertains to a perfluoroelastomer composition comprising: at least one perfluoroelastomer comprising iodine and/or bromine atoms [perfluoroelastomer (A)]; from 0.5 to 5 weight parts, per 100 parts by weight of said perfluoroelastomer (A), of at least one bis-olefin [bis-olefin (OF)] having general formula (1) wherein R1, R2, R3, R4, R5 and R6, equal or different from each other, are H, a halogen, or a C1-C5 optionally halogenated group, possibly comprising one or more oxygen group; Z is a linear or branched C1-C18 optionally halogenated alkylene or cycloalkylene radical, optionally containing oxygen atoms, or a (per)fluoropolyoxyalkylene radical; from 0.1 to 3 weight parts, per 100 parts by weight of said perfluoroelastomer (A), of at least one organic peroxide; from 0.
    Type: Grant
    Filed: July 16, 2015
    Date of Patent: October 4, 2022
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Matteo Fantoni, Stefano Arrigoni, Stefano Bossolo, Marco Avataneo
  • Catalyst system for multi-block copolymer formation
    Patent number: 11459409
    Abstract: The present disclosure relates to a catalyst system for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admixture or reaction product resulting from combining: (A) a first olefin polymerization procatalyst, (B) a second olefin polymerization procatalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by procatalyst (A) under equivalent polymerization conditions, (C) an activator, and (D) a chain shuttling agent.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: October 4, 2022
    Assignee: Dow Global Technologies LLC
    Inventors: Andrew J. Young, Hien Q. Do, Brad C. Bailey, Matthew D. Christianson, Jeffrey C. Munro, Edmund M. Carnahan
  • Polypropylene composition and molded article
    Patent number: 11459454
    Abstract: A polypropylene composition made from or containing a polymer made from or containing: (i) component (1) made from or containing a propylene homopolymer having MFR of 100 to 300 (at a temperature of 230° C. under a load of 2.16 k(g) and containing more than 97.5% by weight of xylene insolubles (XI), wherein XI has a Mw/Mn of 4 to 10; (ii) component (2) made from or containing an ethylene/propylene copolymer containing 15 to 50% by weight of an ethylene-derived unit; wherein 1) relative proportions of component (1) and component (2) are, respectively, not less than 50 parts by weight but less than 70 pbw and more than 30 pbw but not more than 50 pbw, 2) intrinsic viscosity of xylene solubles (XSIV) of the polymer is in the range of 1.5 to 4.0 dl/g, 3) MFR of the polymer is in the range of 20 to 100 g/10 min.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: October 4, 2022
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Yutaka Yokoyama, Akihiro Kamimura, Hiroshi Kajioka
  • Resin composition and article made therefrom
    Patent number: 11453771
    Abstract: A resin composition includes 100 parts by weight of a fluorine-containing compound and 1 part by weight to 15 parts by weight of a compound of Formula (1); in Formula (1), m and n are individually an integer of 10 to 100; and the fluorine-containing compound includes tetrafluoroethylene homopolymer, perfluoroalkoxy alkane or a combination thereof. Moreover, also provided is an article made from the resin composition, which comprises a prepreg, a resin film, a laminate or a printed circuit board, wherein the article achieves improvement in at least one of the following properties: dielectric constant, dissipation factor, Z-axis coefficient of thermal expansion, MIT bending resistance and tensile strength.
    Type: Grant
    Filed: March 16, 2021
    Date of Patent: September 27, 2022
    Assignee: ELITE MATERIAL CO., LTD.
    Inventor: Chen-Yu Hsieh
  • Thermoplastic elastomer composition
    Patent number: 11447619
    Abstract: A thermoplastic elastomer composition and method of making the thermoplastic elastomer are disclosed. The thermoplastic elastomer may comprise a polymer blend. The polymer bland may comprise a non-crosslinked elastomer, oil, polyethylene, and antioxidant. The oil may be from about 15 wt. % to about 50 wt. % oil. The polyethylene may be from about 3 wt. % to about 30 wt. %. The antioxidant may be from about 0 to about 0.5 wt. %.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: September 20, 2022
    Assignee: POLYMAX TPE LLC
    Inventors: Yun Martin Lu, Xin Zhang, Xiaofeng Zheng, Qianqian Li
  • Modified polyvinyl acetate and preparation method and use thereof and oil-based drilling fluid
    Patent number: 11441062
    Abstract: A method of preparing a modified polyvinyl acetate includes subjecting a mixed liquor L1 containing a functional monomer to a first reaction with a first vinyl acetate monomer, followed by adding a first initiator to carry out a second reaction to obtain a mixed liquor L2; subjecting an acrylate monomer, a second vinyl acetate monomer, a second initiator and the mixed liquor L2 to carry out a third reaction to obtain a mixed liquor L3; and subjecting a third initiator and the mixed liquor L3 to carry out a fourth reaction under the air-tight and ultrasonic conditions. The functional monomer is selected from acrylic acid, oleic acid or butenedioic acid. Uses of modified polyvinyl acetate obtained by the method and oil-based drilling fluid containing the modified polyvinyl acetate are also disclosed.
    Type: Grant
    Filed: January 5, 2022
    Date of Patent: September 13, 2022
    Assignee: Southwest Petroleum University
    Inventors: Yang Bai, Chunyan Liu, Pingya Luo, Gang Xie, Danchao Huang, Dezhi Liu, Hongbo Li, Daoxiong Li, Chaowei Hu
  • Matrix copolymer, graft copolymer, and thermoplastic resin composition
    Patent number: 11434358
    Abstract: The present invention relates to a matrix copolymer including a cellulose nanocrystal derivative, an alkyl (meth)acrylate-based monomer unit, an aromatic vinyl-based monomer unit, and a vinyl cyan-based monomer unit; a graft copolymer including a cellulose nanocrystal derivative, a conjugated diene-based polymer, an alkyl (meth)acrylate-based monomer unit, an aromatic vinyl-based monomer unit, and a vinyl cyan-based monomer unit; and a thermoplastic resin composition including at least one thereof. In accordance with the present invention, provided is a thermoplastic resin composition having improved processability, impact strength, tensile strength and chemical resistance while maintaining transparency.
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: September 6, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Hye Jeong Ok, Seok Goo Jang, Sang Hoo Park, Hyung Seop Shim, Jeong Su Choi, Keun Hoon Yoo, Won Seok Lee, Roo Da Lee, Ho Hoon Kim, Jong Ju Lee