Patents Examined by Fred M Teskin
  • Patent number: 10982028
    Abstract: The present invention relates to nucleated propylene-ethylene-butylene-terpolymers comprising propylene, butylene, and ethylene, having improved stiffness, better impact behaviour and improved optical properties such as low haze, and low amounts of soluble or extractable fractions.
    Type: Grant
    Filed: June 12, 2017
    Date of Patent: April 20, 2021
    Assignee: BOREALIS AG
    Inventors: Jingbo Wang, Markus Gahleitner, Elisabeth Potter
  • Patent number: 10982017
    Abstract: A process of manufacturing a polyolefin drag reducing agent comprises: injecting a catalyst and a drag reducing agent forming component comprising (i) at least one olefin monomer, or (ii) at least one olefin oligomer, or a combination of (i) and (ii) into a temporary container comprising a container material, sealing the temporary container; allowing the drag reducing agent forming component to polymerize in the sealed temporary container to form the polyolefin drag reducing agent; and at least partially dissolving the container material.
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: April 20, 2021
    Assignee: BAKER HUGHES, A GE COMPANY, LLC
    Inventors: Jian Zou, David J. Jurek, Brandon M. Vittur, Anthony D. Bravo
  • Patent number: 10975273
    Abstract: An aqueous polymer emulsion comprising: i) as polymerized units, from 20% to 80% by dry weight, based on total dry weight of the polymer, of vinyl acetate; ii) as polymerized units, from 20% to 80% by dry weight, based on total dry weight of the polymer, of an ?, ?-ethylenically unsaturated carboxylic ester monomer; iii) as polymerized units, from 0.1% to 5% by dry weight, based on total dry weight of the polymer, of a stabilizer monomer; iv) from 0.05% to 1% by dry weight, based on total dry weight of the polymer, of a surfactant, wherein said aqueous polymer emulsion has a viscosity of less than 100 cps. An aqueous adhesive composition comprising said aqueous polymer emulsion.
    Type: Grant
    Filed: December 8, 2015
    Date of Patent: April 13, 2021
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Yuanjia Pan, Zhaohui Qu
  • Patent number: 10975209
    Abstract: To provide a method for producing a fluorinated polymer which enables stable production of a fluorinated polymer having a high molecular weight at a high polymerization rate with good productivity and reduced environmental burdens, a method for producing a fluorinated polymer having functional groups, and a method for producing an electrolyte membrane. A method for producing a fluorinated polymer, which comprises polymerizing a monomer mixture containing tetrafluoroethylene and a fluorinated monomer having a group convertible to a sulfonic acid group or a carboxylic acid group in a polymerization medium, wherein the polymerization medium contains as the main component a C4-10 cyclic hydrofluorocarbon. Further, a method for producing a fluorinated polymer having functional groups and a method for producing an electrolyte membrane, employing the production method.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: April 13, 2021
    Assignee: AGC Inc.
    Inventors: Susumu Saito, Atsushi Watakabe
  • Patent number: 10975183
    Abstract: A process for testing a commercial polyolefin condensed mode operation on a pilot plant scale is provided. A feed stream including one or more olefin monomers and one or more inert fluids can be introduced to a fluidized bed contained within a reactor housing having a length to diameter ratio of 1.0 to 20. The one or more olefin monomers can be contacted with one or catalysts within the fluidized bed at conditions sufficient to produce a polyolefin. A cycle gas stream can be withdrawn from the housing, the cycle gas stream having a gas velocity of 1.0 ft/sec to 3.0 ft/sec and including the unreacted monomers and the inert fluids. The cycle gas stream can be compressed to a pressure above the reaction pressure within the housing. The cycle gas stream can be cooled to a temperature that is above the dew point of the cycle gas, and a portion of the compressed cycle gas stream can be removed to create a side stream of the compressed cycle gas stream.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: April 13, 2021
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Bruce J. Savatsky, Richard E. Pequeno, Brandon C. Locklear
  • Patent number: 10961335
    Abstract: The present invention relates to an olefin-based copolymer having novel crystalline properties and capable of providing a molded article with further improved strength and impact strength when compounded with other resins, and a method for preparing the same. The olefin-based copolymer is an olefin-based copolymer comprising an ethylene repeating unit and an ?-olefinic repeating unit. The olefin-based copolymer comprises polymer fractions defined by three different peaks at a predetermined temperature when analyzed by cross-fractionation chromatography.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: March 30, 2021
    Inventors: Seul Ki Kim, Eun Jung Lee, Choong Hoon Lee, Ki Won Han, Jae Kwon Jang, Hyo Jung Han, In Sung Park
  • Patent number: 10961332
    Abstract: The present invention relates to a method of producing a polymer including: polymerizing a compound represented by the following formula (3); or copolymerizing the compound represented by the following formula (3) with a compound (6) having a reactive carbon-carbon double bond and differing from the compound represented by the following formula (3), in a presence of at least one compound selected from the group consisting of compounds represented by the following formula (1) and compounds represented by the following formula (2).
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: March 30, 2021
    Assignee: AGC INC.
    Inventors: Masahiro Ohkura, Kenta Natsukawa
  • Patent number: 10961334
    Abstract: A polyethylene composition comprising a base resin is disclosed herein. The base resin includes an ethylene homo- or copolymer fraction (A1), and an ethylene homo- or copolymer fraction (A2). Fraction (A1) has a lower weight average molecular weight than fraction (A2). The base resin has a melt flow rate MFR21 of equal to or less than 8.0 g/10 min and a density of 930 to 950 kg/m3. The polyethylene composition has a melt flow rate MFR5 of 0.01 to 0.3 g/10 min, a flow rate ratio FRR21/5 of equal to or more than 20 and a ratio of the weight average molecular weight and the number average molecular weight (Mw/Mn) of equal to or less than 30. Also the polyethylene composition has a tensile modulus of less than 1000 MPa. Also a process for the production of a polyethylene composition comprising polyethylene base resin is disclosed herein.
    Type: Grant
    Filed: May 29, 2017
    Date of Patent: March 30, 2021
    Assignee: BOREALIS AG
    Inventors: Yi Liu, Victor Sumerin, Ravindra Tupe
  • Patent number: 10947386
    Abstract: Embodiments of the present disclosure are generally related to asphalt compositions, and particularly to enhanced asphalt compositions and methods and systems for manufacturing the same. The enhanced asphalt compositions include both a silane additive and a calcium composition. The silane additive includes benzyl alcohol and at least one organosilane. The enhanced asphalt compositions of the present invention have improved anti-stripping properties, but the quantities of calcium composition and silane additive required are less than the quantities necessary to prepare previously known asphalt compositions with improved anti-stripping properties.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: March 16, 2021
    Inventor: Matthew Paul Elam
  • Patent number: 10947331
    Abstract: Apparatuses and processes that produce multimodal polyolefins, and in particular, polyethylene resins, are disclosed herein. This is accomplished by using two reactors in series, where one of the reactors is a multi-zone circulating reactor that can circulate polyolefin particles through two polymerization zones optionally having two different flow regimes so that the final multimodal polyolefin has improved product properties and improved product homogeneity.
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: March 16, 2021
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Joseph A. Curren, Rebecca A. Gonzales, Scott E. Kufeld, Joel A. Mutchler, Eric J. Netemeyer, Jamie N. Sutherland, Paul J. DesLauriers, Jeffrey S. Fodor
  • Patent number: 10947324
    Abstract: A flexible manufacturing system for selectively producing different alpha-olefins from ethylene includes: (a) a reaction section 18 with ethylene feed operative to oligomerize ethylene; (b) a catalyst feed system 12, 14, 16 comprising a plurality of independent homogeneous catalyst feeders connected with the reaction section for alternatively providing different selective homogeneous catalyst compositions to the reaction section; (c) an ethylene recycle column 22 coupled to the reaction section and adapted to receive crude product and unreacted ethylene therefrom, the recycle column being operative to separate ethylene and optionally lower oligomers from the crude product which are recycled to the ethylene feed to the reaction section, the ethylene recycle column being further operative to provide a crude product bottoms stream; (d) a catalyst removal section 20 coupled to the reaction section adapted to remove spent catalyst from the system; and (e) a first product separation column 24 connected to the recyc
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: March 16, 2021
    Assignee: TPC Group LLC
    Inventors: Michael O. Nutt, Baiyi Zhao
  • Patent number: 10941221
    Abstract: A polyolefin production system is provided. The polyolefin production system includes a plurality of gas-phase polymerization tanks configured to polymerize an olefin gas to form a polyolefin, a compressor comprising an inlet and an outlet and being configured to compress a an olefin-containing gas, an individual gas feed line disposed at each of the gas-phase polymerization tanks and configured to guide the gas fed from the outlet of the compressor to each of the gas-phase polymerization tanks, an individual gas discharge line disposed at each of the gas-phase polymerization tanks and discharging the gas from each of the gas-phase polymerization tanks, and a first valve installed in each of the individual gas feed lines.
    Type: Grant
    Filed: August 28, 2018
    Date of Patent: March 9, 2021
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Satoshi Itoguchi, Naganjaneyulu Suruvu, Shunpei Funaoka
  • Patent number: 10934370
    Abstract: The invention relates to: a hybrid supported metallocene catalyst includes at least one first metallocene compound among the compounds represented by chemical formula 1, at least one second metallocene compound among the compounds represented by chemical formula 2 and a cocatalyst compound; a method for preparing an ethylene-?-olefin copolymer, comprising polymerizing olefin monomers in the presence thereof; and an ethylene-?-olefin copolymer having improved melt strength.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: March 2, 2021
    Assignee: HANWHA CHEMICAL CORPORATION
    Inventors: Ah Ra Cho, Ah Reum Kim, Lan Hua Piao, Jun Ho Seo, Song Hee Yang, So Jung Lee, Yu Jeong Lim, Dong Wook Jeong, Seung Il Choi
  • Patent number: 10934070
    Abstract: A film for packaging a product that has a pharmaceutical active agent includes a product-contacting sealing layer. The product contacting layer includes at least 90 wt. % of an ethylene norbornene copolymer having a glass transition temperature in a range from 50° C. to 110° C. The pharmaceutical active agent comprises a Hansen Solubility Parameter for the product-contacting sealing layer of 0.5 or greater.
    Type: Grant
    Filed: February 10, 2015
    Date of Patent: March 2, 2021
    Assignee: Bemis Company, Inc.
    Inventors: Jennifer L. Riis, Yuan Liu, Lyndsey A. McMillan, Christopher L. Osborn, Rishabh Jain
  • Patent number: 10933398
    Abstract: A device for carrying out a chemical reaction by a continuous method has a reactor with at least two reactor sections which define a direction of flow. The reactor has plug flow properties along the direction of flow. A recirculation line is present to withdraw a partial flow from the reactor at a first point and return it to the reactor at a second point located above the first point in the direction of flow. Means are provided which prevent a temperature increase in the reactor over a predetermined temperature range, for example change of more than approximately 50 K.
    Type: Grant
    Filed: November 3, 2016
    Date of Patent: March 2, 2021
    Assignees: Fluitec Invest AG, Rudolf GmbH
    Inventors: Silvano Andreoli, Tobias Vögeli, Daniel Altenburger, Alain Georg, Michael Schacht, Gunther Duschek
  • Patent number: 10934372
    Abstract: A process for reducing the level of hydrogen in certain polymerization effluent and recycle streams containing unreacted propylene monomers and hydrogen by contacting the streams with a hydrogenation catalyst so as to convert at least part of the propylene to the corresponding alkane. The process is particularly applicable to the effluent from a slurry polymerization reactor which has been used to produce a polypropylene homopolymer or copolymer having a first molecular weight and at least part of the effluent is to be supplied to a slurry polymerization reactor to produce a polypropylene homopolymer or copolymer having a second, higher molecular weight.
    Type: Grant
    Filed: June 22, 2017
    Date of Patent: March 2, 2021
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Christopher G. Bauch, Blu E. Englehorn, Kevin W. Lawson, Todd S. Edwards, Keith W. Trapp
  • Patent number: 10919998
    Abstract: A photonic crystal structure employs such a structure that two layers having different refractive indices are laminated alternately, a polymer including a structure unit derived from a monomer that contains a fluorocarbon group being used for one of the repeated layers such that the photonic crystal structure can respond to humidity and/or organic solvent concentration. Using the photonic crystal structure, it is possible to manufacture a color-conversion photonic crystal sensor having excellent sensitivity and reproduction characteristics.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: February 16, 2021
    Assignee: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Seo Hyun Jung, Jong Mok Park, Ho Youl Kong, Ja Young Bae
  • Patent number: 10919996
    Abstract: Silica-coated alumina activator-supports, and catalyst compositions containing these activator-supports, are disclosed. Methods also are provided for preparing silica-coated alumina activator-supports, for preparing catalyst compositions, and for using the catalyst compositions to polymerize olefins.
    Type: Grant
    Filed: March 9, 2020
    Date of Patent: February 16, 2021
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Max P. McDaniel, Qing Yang, Randy S. Muninger, Elizabeth A. Benham, Kathy S. Clear
  • Patent number: 10913809
    Abstract: A cross-linked polymeric material is formed by polymerizing a polyethylene glycol di(meth)acrylate and a sulfonate salt containing a double bond that facilitates covalent bonding of the sulfonate salt to the polyethylene glycol di(meth)acrylate. In the polymeric material, cations from the salt are optionally replaced with metal ions selected from sodium, lithium, aluminum, magnesium, and zinc. Related methods and membranes and batteries including the cross-linked polymeric material are also provided.
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: February 9, 2021
    Assignee: CORNELL UNIVERSITY
    Inventors: Lin Ma, Lynden Archer
  • Patent number: 10894840
    Abstract: A system and method for a polyolefin reactor temperature control system having a first reactor temperature control path, a second reactor temperature control path, and a shared temperature control path. The shared temperature control path is configured to combine and process coolant return streams, and to provide coolant supply for the first reactor temperature control path and the second reactor temperature control path.
    Type: Grant
    Filed: May 3, 2019
    Date of Patent: January 19, 2021
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Timothy O. Odi, Ralph Romig, Anurag Gupta