From Hydrocarbon Patents (Class 526/348)
  • Patent number: 10442924
    Abstract: The present disclosure provides a composition comprising: A) a propylene/C4-C10 alpha-olefin interpolymer; (i)) a total unsaturation per mole of propylene from 0.010% to 0.030%, (ii) a density from 0.855 g/cc to 0.890 g/cc, and (iii) a melt viscosity, at 177 C, from 500 cP to 200,000 cP.
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: October 15, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Allan Walter Mclennaghan, Yi Jin, Jozef Van Dun
  • Patent number: 10316110
    Abstract: Provided herein are organic solvent-based processes for the removal of rubber from aged briquettes made from compressed plant matter (briquettes) of non-Hevea plants.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: June 11, 2019
    Assignee: Bridgestone Corporation
    Inventors: Yingyi Huang, Mark W. Smale, Robert White, Hiroshi Mouri, William M. Cole
  • Patent number: 10315176
    Abstract: A reactor comprises an outer sidewall and a bottom wall enclosing a hollow chamber comprising a lower fluidized bed zone and an upper freeboard zone. A plurality of inlets is provided for injecting at least one fluidizing medium into the fluidized bed zone and creating a swirling flow. At least one feed inlet communicates with the fluidized bed zone; and at least one product outlet is provided for removing a product from the chamber, the outlet(s) communicating with either the fluidized bed zone or the freeboard zone. The reactor has at least one internal barrier located inside the hollow chamber, and at least partly located in the fluidized bed zone. The internal barrier(s) have at least one opening within the fluidized bed zone, such as an underflow opening, to permit internal recirculation of material from the product zone to the feed zone, thereby simplifying reactor structure.
    Type: Grant
    Filed: May 8, 2015
    Date of Patent: June 11, 2019
    Assignee: HATCH LTD.
    Inventors: Kamal Adham, Christopher Thomas Harris, Alexandre Kokourine
  • Patent number: 10308736
    Abstract: Metallocene-catalyzed polyethylene polymers and articles made therefrom are provided.
    Type: Grant
    Filed: August 4, 2016
    Date of Patent: June 4, 2019
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Etienne R. H. Lernoux, Wen Li
  • Patent number: 10287367
    Abstract: Provided herein are organic solvent-based processes for the removal of rubber from non-Hevea plants such as TKS. By the use of the processes, solid purified rubber can be obtained that contains 0.05-0.5 weight % dirt, 0.2-1.5 weight % ash, and 0.1-4 weight % resin (when it has been dried so as to contain 0.8 weight % volatile matter).
    Type: Grant
    Filed: February 13, 2017
    Date of Patent: May 14, 2019
    Assignee: Bridgestone Corporation
    Inventors: Yingyi Huang, Hiroshi Mouri, Michael R. Beaulieu
  • Patent number: 10266625
    Abstract: Provided in the present invention are an olefin polymerization apparatus and an olefin polymerization process. The following operations and effects can be realized by the apparatus or method provided in the present invention: the gas material discharged from the polymerization reactor is condensed, after the gas-liquid separation, the resulting gas portion is recycled to the reactor to form a circulation loop; the condensate can be selectively introduced to the polymerization reactor, in order to achieve the free switch between the homopolymerization reaction and the copolymerization reaction or between different copolymerization reactions, and at the same time the condensate can absorb the heat generated by the reaction. By using the apparatus and method provided in the present invention, polyolefin products having excellent mechanical properties and processability can be prepared as needed.
    Type: Grant
    Filed: December 9, 2015
    Date of Patent: April 23, 2019
    Assignees: China Petroleum & Chemical Corporation, Zhejiang University
    Inventors: Jingdai Wang, Wenqing Wu, Yongrong Yang, Guodong Han, Zhengliang Huang, Jingyuan Sun, Xiaofei Wang, Xiaoqiang Fan, Huanjun Du, Binbo Jiang, Zuwei Liao, Yao Yang
  • Patent number: 10253171
    Abstract: Reactor grade thermoplastic polyolefins with high flowability and excellent surface quality comprising (A) 40-90 wt % of a propylene homo- or copolymer matrix with an MFR in accordance with ISO 1 133 (230° C., 2.16 kg load) of ?200 g/10 min and (B) 2-30 wt % of an elastomeric ethylene-propylene copolymer having an intrinsic viscosity IV (according to ISO 1628 with decalin as solvent) of ?2.8 dl/g and an ethylene content of >50 to 80 wt % and (C) 8-30 wt % of an elastomeric ethylene-propylene copolymer having an intrinsic viscosity IV (according to ISO 1628 with decalin as solvent) of 3.0-6.
    Type: Grant
    Filed: October 18, 2013
    Date of Patent: April 9, 2019
    Assignee: Borealis AG
    Inventors: Christelle Grein, Klaus Bernreitner
  • Patent number: 10131719
    Abstract: Process for preparing a polyolefin polymer comprising the steps of a) forming a particulate polyolefin polymer by polymerizing one or more olefins in the presence of a polymerization catalyst system in a polymerization reactor; b) discharging the formed polyolefin particles from the polymerization reactor; c) degassing the polyolefin particles by a process comprising at least a final step of contacting the polyolefin particles with a nitrogen stream in a degassing vessel; and d) transferring the polyolefin particles from the vessel, in which the contacting of the polyolefin particles with the nitrogen stream is carried out, to a melt mixing device, in which the polyolefin particles are melted, mixed and thereafter pelletized, without passing the particles through a buffering device, wherein the degassing vessel is only partly filled with polyolefin particles and the empty volume within the degassing vessel is sufficient to take up additional polyolefin particles for at least 3 hours if the transfer of pol
    Type: Grant
    Filed: December 11, 2013
    Date of Patent: November 20, 2018
    Assignee: Basell Polyolefine GmbH
    Inventors: Giuseppe Penzo, Giulia Mei, Gabriele Mei, Antonio De Lucia, Pietro Baita
  • Patent number: 10113019
    Abstract: The number of small gels that form in polyolefin thin films may be reduced by altering certain production parameters of the polyolefin. In some instances, the number of small gels may be influenced by the melt index of the polyolefin. However, in many instances, melt index is a critical part of the polyolefin product specification and, therefore, is not manipulated. Two parameters that may be manipulated to mitigate small gel count while maintaining the melt index are polyolefin residence time in the reactor and ICA concentration in the reactor.
    Type: Grant
    Filed: November 24, 2015
    Date of Patent: October 30, 2018
    Assignee: Univation Technologies, LLC
    Inventors: Bruce J. Savatsky, James M. Farley, Daniel P. Zilker, Jr.
  • Patent number: 10081686
    Abstract: A process for the preparation of a copolymer of propylene and ethylene comprising polymerizing propylene and ethylene in the gas phase in the presence of a solid particulate catalyst free from an external carrier comprising: (i) a symmetrical complex of formula (I), wherein M is zirconium or hafnium; each X is a sigma ligand; L is a divalent bridge selected from —R?2C—, —R?2C—CR?2—, —R?2Si—, —R?2Si—SiR?2—, —R?2Ge—, wherein each R? is independently a hydrogen atom, C1-C20-alkyl, tri(C1-C20-alkyl)silyl, C6-C20-aryl, C7-C20-arylalkyl or C7-C20-alkylaryl; R2 is a C1-C20 hydrocarbyl radical; m is 2 to 5; R9 is a H or C1-C20 hydrocarbyl radical; R7 is a hydrogen atom or a C1-10 hydrocarbyl radical; n is 0 to 3; R1 is a C1-C20 hydrocarbyl radical and optionally two adjacent R1 groups taken together can form a further mono or multicyclic ring condensed to Ph ring optionally substituted by one or two groups R4; and R4 is a C1-C10 alkyl radical; and (ii) a cocatalyst, preferably comprising an organometallic compound of
    Type: Grant
    Filed: September 11, 2015
    Date of Patent: September 25, 2018
    Assignee: Borealis AG
    Inventors: Luigi Resconi, Wilfried Töltsch, Jingbo Wang
  • Patent number: 10072107
    Abstract: A process for preparing a long chain branched polypropylene in presence of two metallocene-based active catalyst systems is provided. The polypropylene obtained therefrom has new molecular architecture and improved elasticity properties. The polypropylene is further characterized by new signals in its 13C NMR spectrum.
    Type: Grant
    Filed: December 5, 2014
    Date of Patent: September 11, 2018
    Assignees: Total Research & Technology Feluy, Centre National de la Recherche Scientifique (CNRS)
    Inventors: Manuela Bader, Jean-françois Carpentier, Evgueni Kirillov, Olivier Lhost, Christian Lamotte, Katty Den Dauw
  • Patent number: 10023666
    Abstract: A method of transitioning from a first catalyst to a second catalyst in a gas phase fluidized bed reactor comprising continuously feeding the first catalyst and a recycle stream comprising olefin monomer to the reactor; wherein the monomer contacts the first catalyst in the fluidized bed and polymerizes; wherein the reactor is operating in condensing mode (withdrawing a gaseous stream comprising unreacted monomer from the reactor, cooling the gaseous stream to condense a portion thereof, and contacting the cooled gaseous stream with fresh monomer to form the recycle stream); and wherein a liquid phase of the recycle stream evaporates within the fluidized bed; discontinuing the first catalyst to the reactor while continuing to feed the recycle stream; maintaining the condensing mode in reactor at >3 wt. % liquid phase in recycle stream while no fresh catalyst is introduced to reactor; and introducing the second catalyst to the reactor operating in condensing mode.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: July 17, 2018
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Jeff S. Lowell, Daniel M. Hasenberg
  • Patent number: 9932465
    Abstract: A process for preparing a polyolefin, including polymerizing olefins in the presence of an antistatic agent made from or containing an alkylene oxide derived polymer made from or containing in average from about 10 to about 200 repeating units —(CH2—CHR—O)— with R being hydrogen or an alkyl group having from 1 to 6 carbon atoms, wherein the alkylene oxide derived polymer is a random copolymer of ethylene oxide and other alkylene oxides and a ratio of n:m is in the range of from 6:1 to 1:1, wherein (n) is the average number of repeating units —(CH2—CH2—O)— derived from ethylene oxide and (m) is the average number of repeating units —(CH2—CHR?—O)— derived from the other alkylene oxides with R? being an alkyl group having from 1 to 6 carbon atoms, and the end groups of the alkylene oxide derived polymer are —OH groups.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: April 3, 2018
    Assignee: Basell Polyolefine GmbH
    Inventors: Gerd Mannebach, Bernd Lothar Marczinke, Gerhardus Meier, Ulf Schueller, Shahram Mihan, Andreas Maus, Pietro Baita, Maria Di Diego, Lorella Marturano
  • Patent number: 9771448
    Abstract: An olefin resin having requirements (I) to (VI) is provided: (I) a grafted olefin polymer containing a main chain with an ethylene/?-olefin copolymer and a side chain with a propylene polymer; (II) the ratio P wt % of propylene polymer is from 5 to 60 wt %; (III) when the ratio of the amount of a component(s) having a peak temperature of a differential elution curve as measured by CFC using o-dichlorobenzene of less that 65° C., to the amount of (?) taken as E wt %, the value a represented by an equation (Eq-1), is 1.4 or more; (IV) the melting point (Tm) is 120 to 165° C. and the glass transition temperature (Tg) is ?80 to ?30° C., as measured by DSC; (V) the hot xylene-insoluble content is less than 3 wt %; and, (VI) the limiting viscosity as measured in decalin at 135° C. is 0.5 to 5.0 dl/g.
    Type: Grant
    Filed: March 26, 2015
    Date of Patent: September 26, 2017
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Yasushi Yanagimoto, Tomoaki Matsugi, Akihiko Iwashita, Tatsuya Nakamura, Keita Itakura, Ryoichi Tsunori
  • Patent number: 9663590
    Abstract: Process for the polymerization or copolymerization of olefins by bringing the olefins into contact with a catalyst under polymerization or copolymerization conditions in a reactor containing a charge powder. The process includes, prior to introducing the catalyst into the reactor, introducing a scavenger into the reactor which reacts with catalyst poison present. The scavenger is added to the reactor until the charge powder contains a remaining amount of scavenger of between 0.1 and 2.5 moles per ton of charge powder.
    Type: Grant
    Filed: September 3, 2014
    Date of Patent: May 30, 2017
    Assignee: INEOS EUROPE AG
    Inventors: Serge Desportes, Claudine Viviane Lalanne-Magne, Renaud Viguier
  • Patent number: 9610558
    Abstract: A manufacturing system for producing polyolefin includes a polymerization reactor, a flash chamber, and a purge column. In certain embodiments, the purge column may receive a solids stream directly from the flash chamber. Further, the purge column may function as a feed tank for an extruder within an extrusion/loadout system. According to certain embodiments, the manufacturing system may be configured to consume less than 445 kilowatt-hours of energy per metric ton of polyolefin produced based on consumption of electricity, steam, and fuel gas.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: April 4, 2017
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Robert R. McElvain, John D. Hottovy, Ralph W. Romig, Donald W. Verser, David H. Burns, John H. Tait, Richard Peacock, James E. Hein, Scott E. Kufeld, Carl W. Fenderson, Anurag Gupta, Dale A. Zellers
  • Patent number: 9556291
    Abstract: The present disclosure is directed to a process for producing olefin-based polymer in a gas phase polymerization reactor. The process includes forming a wet zone in the gas phase polymerization reactor. The wet zone is formed by maintaining a temperature less than or equal to the fluidizing medium dew point temperature+2° C. in a region of the reactor. The region is defined as the region extending from the distributor plate to 2.5 meters above the distributor plate. Injection of a high activity catalyst composition in the wet zone produces olefin-based having a settled bulk density greater than 23.5 lb/ft3.
    Type: Grant
    Filed: September 11, 2014
    Date of Patent: January 31, 2017
    Assignee: W. R. Grace & Co.-Conn.
    Inventors: Jan W. Van Egmond, Daniel J. Chismar, Jeffrey D. Goad
  • Patent number: 9371197
    Abstract: Improved systems and processes for storing resins are disclosed herein. These systems and processes are especially useful for reducing the tendency of resins to sinter. In polymerization processes, the improvements disclosed herein can reduce the tendency of resins to sinter while also allowing downstream operations to continue.
    Type: Grant
    Filed: October 1, 2013
    Date of Patent: June 21, 2016
    Assignee: Univation Technologies, LLC
    Inventors: Simon J. White, Alison H. Hasbargen
  • Patent number: 9359546
    Abstract: Use of two different methods, either each by itself or in combination, to enhance the stiffness, strength, maximum possible use temperature, and environmental resistance of thermoset polymer particles is disclosed. One method is the application of post-polymerization process steps (and especially heat treatment) to advance the curing reaction and to thus obtain a more densely crosslinked polymer network. The other method is the incorporation of nanofillers, resulting in a heterogeneous “nanocomposite” morphology. Nanofiller incorporation and post-polymerization heat treatment can also be combined to obtain the benefits of both methods simultaneously. The present invention relates to the development of thermoset nanocomposite particles.
    Type: Grant
    Filed: December 17, 2012
    Date of Patent: June 7, 2016
    Assignee: Sun Drilling Products Corporation
    Inventor: Jozef Bicerano
  • Patent number: 9315589
    Abstract: Provided herein are organic solvent-based processes for the removal of rubber from non-Hevea plants such as guayule shrubs. By the use of the processes, solid purified rubber can be obtained that contains 0.05-0.5 weight % dirt, 0.2-1.5 weight % ash, and 0.1-4 weight % resin (when it has been dried so as to contain 0.8 weight % volatile matter).
    Type: Grant
    Filed: March 6, 2013
    Date of Patent: April 19, 2016
    Assignee: Bridgestone Corporation
    Inventors: Yingyi Huang, Mark Smale, Robert White, Hiroshi Mouri, William Cole
  • Patent number: 9303094
    Abstract: Process for the transition between an ethylene co-polymerization process in a polymerization reactor in the presence of a catalyst and of ethylene E and an olefin co-monomer A to produce an ethylene copolymer PEA into an ethylene co-polymerization process carried out in the same polymerization reactor in the presence of a catalyst and of ethylene E and an olefin co-monomer B to produce an ethylene copolymer PEB. Co-monomers A and B are different and are both present in the reactor during at least part of the transition from PEA to PEB. The transition is performed continuously by (i) starting the transition by stopping steady state production of ethylene copolymer PEA and (ii) ending the transition when steady state production of ethylene copolymer PEB is achieved.
    Type: Grant
    Filed: November 11, 2014
    Date of Patent: April 5, 2016
    Assignee: INEOS SALES (UK) LIMITED
    Inventors: Jean-Louis Chamayou, Benoit Sibourd
  • Patent number: 9302244
    Abstract: The present embodiments provide a system and method for separation within a polymer production process. Specifically, a flashline heater configured according to present embodiments may provide more time than is required for complete vaporization of liquid hydrocarbons that are not entrained within a polymer fluff produced within a polymerization reactor. Such extra time may allow for liquid hydrocarbons that are entrained within the polymer fluff to be vaporized.
    Type: Grant
    Filed: November 5, 2013
    Date of Patent: April 5, 2016
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: John D. Hottovy, Scott E. Kufeld
  • Patent number: 9303095
    Abstract: The present invention relates to a process of preparing a polyolefin in a loop reactor by introducing anti-fouling agent in by-pass pipes. Also, the invention relates to the use of anti-fouling agent to prevent blockage by feeding the anti-fouling agent into the by-pass pipes of the loop reactor.
    Type: Grant
    Filed: November 6, 2014
    Date of Patent: April 5, 2016
    Inventors: Daniel Siraux, Daan Dewachter, Louis Fouarge
  • Patent number: 9228038
    Abstract: Provided is an ethylene copolymer having improved hygienic property. More particularly, the ethylene copolymer satisfies a correlation between a density thereof and an extract content. The ethylene copolymer having improved hygienic property can be applied in injection molding, rotation molding, or blow molding.
    Type: Grant
    Filed: June 20, 2013
    Date of Patent: January 5, 2016
    Assignee: SABIC SK NEXLENE COMPANY PTE. LTD.
    Inventors: Seung Bum Kwon, Se Won Oh, Hyeong Taek Ham, Choon Sik Shim, Sung Seok Chae, Dae Ho Shin
  • Patent number: 9175119
    Abstract: Copolymers of ethylene and ?-olefins having (a) a density in the range 0.900-0.940 g/cm3, (b) a melt index MI2 (2.16 kg, 190° C.) in the range 0.01-50 g/10 min, (c) a molecular weight distribution (Mw/Mn, by conventional GPC) in the range 2.0-4.5, (d) a comonomer partition factor, Cpf>1, and (e) a melt index MI2 (2.16 kg, 190° C.) normalized Dow Rheology Index (DRI), [DRI/MI2] in the range 3-20. The copolymers may be prepared using catalyst systems containing activating supports. The copolymers are suitably prepared in the gas phase preferably in a single reactor. The copolymers exhibit unique properties in particular with respect to their rheology.
    Type: Grant
    Filed: December 7, 2012
    Date of Patent: November 3, 2015
    Assignee: INEOS EUROPE AG
    Inventors: Gaelle Pannier, Choon Kooi Chai
  • Patent number: 9175209
    Abstract: Use of two different methods, either each by itself or in combination, to enhance the stiffness, strength, maximum possible use temperature, and environmental resistance of thermoset polymer particles is disclosed. One method is the application of post-polymerization process steps (and especially heat treatment) to advance the curing reaction and to thus obtain a more densely crosslinked polymer network. The other method is the incorporation of nanofillers, resulting in a heterogeneous “nanocomposite” morphology. Nanofiller incorporation and post-polymerization heat treatment can also be combined to obtain the benefits of both methods simultaneously. The present invention relates to the development of thermoset nanocomposite particles.
    Type: Grant
    Filed: September 24, 2014
    Date of Patent: November 3, 2015
    Assignee: Sun Drilling Products Corporation
    Inventor: Jozef Bicerano
  • Patent number: 9175104
    Abstract: A polymerization to form a branched polyolefin, in which polymerization an ethylene copolymerization catalyst and an ethylene oligomerization catalyst form a series of ethylene oligomers that are ?-olefins are both present, gives an improved polyethylene if the oligomerization catalyst has a relatively high Schulz-Flory constant.
    Type: Grant
    Filed: March 28, 2011
    Date of Patent: November 3, 2015
    Assignee: E I DU PONT DE NEMOURS AND COMPANY
    Inventor: Joel David Citron
  • Patent number: 9150718
    Abstract: A weather-resistant crosslinked polyolefin composition is a novel formula containing a comprehensive mixture constituted by crosslinking agent, antistatic agent, TiO2 sized in nanometer and TiO2 sized in micrometer and essential components including polyolefin composition resin, lubricant auxiliary crosslinking agent, antioxidant, UV absorber and filler etc; this novel formula is particularly suited to produce a weather-resistant crosslinked polyolefin sheet with a calender machine instead of an extruder conventionally used, and the polyolefin sheets produced thereof are excellent in both heat-resistant and weather-resistant as well as in a high-quality sheet surface and capably made at a high yield rate through the calender machine.
    Type: Grant
    Filed: April 2, 2013
    Date of Patent: October 6, 2015
    Assignee: Nan Ya Plastics Corporation
    Inventors: Dein-Run Fung, Ying-Te Huang, Chao-Hsien Lin, Ching-Yao Yuan, Tzai-Shing Chen
  • Patent number: 9138713
    Abstract: The present invention relates to a process of forming a polymer, the process comprising polymerizing olefin monomers to form a reaction mixture, treating the reaction mixture to form a first polymer-rich phase, treating the first polymer-rich phase to form a second polymer-rich phase, and devolatilizing the second polymer-rich phase, the process further comprising at least one step of adjusting the temperature of a first and/or the second polymer-rich phase before the devolatilization. The present invention also relates to a plant that is useful for the process provided above.
    Type: Grant
    Filed: June 20, 2014
    Date of Patent: September 22, 2015
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventor: Yu Feng Wang
  • Patent number: 9120886
    Abstract: A process for making a low density polymer in a polymerization reactor system, the process comprising polymerizing an olefin monomer, and optionally an olefin comonomer, in the presence of a diluent in a polymerization reactor to make a polymerization product slurry consisting of a liquid phase and a solid phase, wherein the solid phase comprises an olefin polymer having a density of between about 0.905 g/cm3 to about 0.945 g/cm3; and discharging the polymerization product slurry from the polymerization reactor through a continuous take-off valve to make a mixture further comprising a vapor phase. The mixture comprises a pressure less than a bubble point pressure of a component in the polymerization product slurry.
    Type: Grant
    Filed: July 31, 2014
    Date of Patent: September 1, 2015
    Assignee: CHEVRON PHILLIPS CHEMICAL COMPANY LP
    Inventors: John D. Hottovy, Scott E. Kufeld
  • Patent number: 9115280
    Abstract: Composition containing a polyethylene powder having: (a) a specific density of 930 kg/m3 or less; (b) a melt index MI2 greater than 0.5 g/10 min; (c) a ratio of HLMI/MI2 of less than 25, where HLMI is high load melt index measured under a load of 21.6 kg; (d) a bulk density of at least 350 kg/m3; and (e) a d50 greater than 500 ?m, and absorbed within said powder at least 1 wt % of a liquid additive. The polyethylene powder has a porosity of at least 0.04 cm3/g for pores smaller than 2?m.
    Type: Grant
    Filed: July 13, 2011
    Date of Patent: August 25, 2015
    Assignee: INEOS EUROPE AG
    Inventors: Dominique Jan, Yves-Julien Lambert
  • Patent number: 9068024
    Abstract: The invention provides 2,2-dimethoxy-1,2-di-[4-(meth)acryloyloxy]phenylethane-1-one represented by the following formula (A): (wherein R1 and R2, which may be identical to or different from each other, each represent a hydrogen atom or a methyl group).
    Type: Grant
    Filed: January 30, 2012
    Date of Patent: June 30, 2015
    Assignee: TOYO GOSEI CO., LTD.
    Inventors: Satoshi Enomoto, Yuki Hara
  • Patent number: 9056939
    Abstract: The present description relates to an olefin block copolymer with enhanced processability as well as excellences in elasticity and heat resistance, and a preparation method for the same. The olefin block copolymer includes first and second segments, each containing an ethylene or propylene repeating unit and an ?-olefin repeating unit at different mole fractions, where the second segment is dispersed in the form of a closed curve as a dispersed phase on the first segment according to a TEM (Transmission Electron Microscope) image.
    Type: Grant
    Filed: January 27, 2012
    Date of Patent: June 16, 2015
    Assignee: LG CHEM, LTD.
    Inventors: Yong-Ho Lee, Man-Seong Jeon, Jeong-Min Kim, Heon-Yong Kwon, Min-Seok Cho, Seon-Kyoung Kim, Dae-Sik Hong, Ki-Soo Lee, Kyoung-Chan Lim
  • Patent number: 9040151
    Abstract: The present invention generally pertains to multilayer film including four or more discrete layers. The films contain two external layers, an internal stiffening layer and an internal shrink layer. The external layers include linear low density polyethylene resin, the stiffening layer includes polypropylene or a high density polyethylene and the shrink layer includes low density polyethylene. The multilayer films of the present invention have a gloss of at least 62% at 45 degrees, together with a 2% secant tensile modulus greater than 400 MPa.
    Type: Grant
    Filed: November 6, 2012
    Date of Patent: May 26, 2015
    Assignee: Dow Global Technologies LLC
    Inventor: Martin Pavlik
  • Publication number: 20150140887
    Abstract: Propylene polymers having a melt flow index in the range from 3.0 dg/min to 8.0 dg/min can be particularly suited for high-tenacity fibers and yarns and nonwovens. The propylene polymers can be produced by a process that includes polymerizing propylene or propylene and at least one comonomer in presence of a Ziegler-Natta polymerization catalyst, an aluminium alkyl, and hydrogen.
    Type: Application
    Filed: June 27, 2013
    Publication date: May 21, 2015
    Inventors: Peter Geeurickx, Alain Standaert, Jean-Luc Zuliani
  • Publication number: 20150141590
    Abstract: Processes to produce ethylene copolymers using pyridyldiamido transition metal complexes, a chain transfer agent, and an activator are disclosed.
    Type: Application
    Filed: October 16, 2014
    Publication date: May 21, 2015
    Inventors: John R. Hagadorn, Liehpao O. Farng, Patrick J. Palafox, Jian Yang, Ian C. Stewart
  • Publication number: 20150141605
    Abstract: Processes for forming propylene from methanol are disclosed. The processes involve converting methanol to a product mixture comprising ethylene and propylene, separating the ethylene from the propylene, dimerizing a first portion of the ethylene to form a product mixture comprising 1-butylene, isomerizing the 1-butylene to form a mixture of cis and trans 2-butylene, and performing olefin metathesis on a second portion of the ethylene and the mixture of cis and trans 2-butylene. In one embodiment, the methanol is produced by converting syngas to methanol, and in one aspect of this embodiment, the syngas, or a portion thereof, is produced from renewable feedstocks. In this aspect, renewable propylene is produced. The propylene can be polymerized to form polypropylene or co- or terpolymers thereof, and when the propylene is made from renewable resources, the resulting polymer is a renewable polymer.
    Type: Application
    Filed: May 3, 2013
    Publication date: May 21, 2015
    Inventor: David Bradin
  • Patent number: 9034995
    Abstract: The present disclosure provides a system for recovering emissions generated from an olefin polymerization process, comprising: a devolatilizer for receiving a fresh sweep gas and emissions generated from the olefin polymerization process and outputting a first fluid and a polyolefin resin; a compression refrigeration unit including a compression device and a first heat exchange device, for receiving said first fluid and outputting a first gas-liquid mixture; a first gas-liquid separation device for separating the first gas-liquid mixture and outputting a first recovery product and a first gas phase composition; a first gas separation device for receiving the first gas phase composition, removing small molecular substances therefrom, and outputting a composition rich in small molecular gases and a second gas phase composition rich in hydrocarbons; and a second gas separation device having a second heat exchange device, a second gas-liquid separation device, and a first gas expansion device.
    Type: Grant
    Filed: April 24, 2014
    Date of Patent: May 19, 2015
    Assignees: Hangzhou Shuang'an Science and Technology Company Limited
    Inventors: Yongrong Yang, Zhongwei Yang, Jingdai Wang, Zhengliang Huang, Binbo Jiang, Zuwei Liao
  • Patent number: 9034998
    Abstract: A method for producing highly reactive olefin polymers wherein at least 50 mol. % of the polymer chains have terminal double bonds, and a novel polymerization initiating system for accomplishing same.
    Type: Grant
    Filed: December 16, 2011
    Date of Patent: May 19, 2015
    Assignees: University of Massachusetts, Infineum Internatonal Limited
    Inventors: Rudolf Faust, Philip Dimitrov, Rajeev Kumar, Jacob Emert, Jun Hua
  • Patent number: 9034991
    Abstract: A polymer reactor-blend comprising at least a first component having a polydispersity index of greater than about 20 and is present in an amount of from about 1 wt. % to about 99 wt. % based on the total weight of the polymer and a second component having a polydispersity index of less than about 20 and is present in an amount of from about 1 wt. % to about 99 wt. % based on the total weight of the polymer wherein a molecular weight distribution of the second component lies within a molecular weight distribution of the first component.
    Type: Grant
    Filed: January 29, 2013
    Date of Patent: May 19, 2015
    Assignee: CHEVRON PHILLIPS CHEMICAL COMPANY LP
    Inventors: Mark L. Hlavinka, Qing Yang, William B. Beaulieu, Paul J. Deslauriers
  • Patent number: 9035006
    Abstract: The present description relates to an olefin block copolymer preferably useful to form nonslip pads due to excellences in elasticity and heat resistance, and a sheet-shaped molded body comprising the olefin block copolymer The olefin block copolymer includes a plurality of blocks or segments, each of which includes an ethylene or propylene repeating unit and an ?-olefin repeating unit at different weight fractions. The olefin block copolymer satisfies a defined relationship when a load of 5 to 10 kg is applied to a sheet-shaped molded body of the block copolymer for 12 hours or longer at a temperature of 60° C. or higher, and then removed.
    Type: Grant
    Filed: January 19, 2012
    Date of Patent: May 19, 2015
    Assignee: LG CHEM, LTD.
    Inventors: Sang-Jin Jeon, Seung-Ki Park, Kyung-Seop Noh, Nan-Young Lee, Won-Hee Kim, Sang-Eun An
  • Patent number: 9035007
    Abstract: A strap comprising a propylene and 1-hexene copolymer containing from 0.3 wt % to less than 5 wt % of 1-hexene derived units said copolymer having a melt flow rate (MFR) determined according to ISO method 1133 (230° C., 2.16 kg ranging from 0.3 to less than 11 g/10 min.
    Type: Grant
    Filed: July 13, 2012
    Date of Patent: May 19, 2015
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Gianni Perdomi, Monica Galvan, Renaud Lemaire, Roberta Marzolla
  • Publication number: 20150133608
    Abstract: The present invention relates to a moulded article comprising a polypropylene composition, wherein the polypropylene composition comprises comonomer units derived from ethylene in an amount of from 0.5 wt % to 35 wt %, and from at least one C5-12 alpha-olefin in an amount of from 1.0 mol % to 3.0 mol %, wherein the polypropylene composition has an amount of xylene solubles XS of from 20 wt % to 39 wt %, and the xylene solubles have an amount of ethylene-derived comonomer units of from 4.0 wt % to 70 wt %.
    Type: Application
    Filed: May 8, 2013
    Publication date: May 14, 2015
    Inventor: Kristin Reichelt
  • Publication number: 20150133620
    Abstract: Techniques are provided for polymerization. A polymerization method may include polymerizing a monomer in a polymerization reactor to produce a slurry comprising polyolefin particles and a diluent, flowing the slurry out of the polymerization reactor through an outlet of the polymerization reactor, receiving the slurry from the outlet into a slurry handling system, conveying a first mixture from the slurry handling system to a diluent and monomer recovery system, and injecting steam into the first mixture downstream of the slurry handling system using a steam injection system.
    Type: Application
    Filed: November 13, 2013
    Publication date: May 14, 2015
    Applicant: Chevron Phillips Chemical Company LP
    Inventors: Scott E. Kufeld, Joel A. Mutchler, David S. Boone
  • Patent number: 9029284
    Abstract: A solid particulate catalyst free from an external carrier comprising: (i) a complex of formula (I): wherein M is zirconium or hafnium; each X is a sigma ligand; L is a divalent bridge selected from —R?2C—, —R?2C—CR?2—, —R?2Si—, —R?2Si—SiR?2—, —R?2Ge—, wherein each R? is independently a hydrogen atom, C1-C20-alkyl, tri(C1-C20-alkyl)silyl, C6-C20-aryl, C7-C20-arylalkyl or C7-C20-alkylaryl; each R1 independently is hydrogen or a linear or branched C1-C20 hydrocarbyl radical optionally containing one or more heteroatoms from groups 14-16 of the Periodic Table of the Elements; each R2 and R3 taken together form a 4-7 membered ring condensed to the benzene ring of the indenyl moiety, said ring optionally containing heteroatoms from groups 14-16, each atom forming said ring being optionally substituted with at least one R18 radical; each R18 is the same or different and may be a C1-C20 hydrocarbyl radical optionally containing one or more heteroatoms belonging to groups 14-16; each R4 is a hydrogen ato
    Type: Grant
    Filed: December 21, 2010
    Date of Patent: May 12, 2015
    Assignee: Borealis AG
    Inventors: Luigi Resconi, Pascal Castro, Lauri Huhtanen
  • Publication number: 20150123039
    Abstract: The invention relates to a rotary disc device (1) in a rotary fluidised bed, the outer edge of said disc rotating inside, and faster than, the fluidised bed, thereby allowing: the rotation speed of the fluidised bed to be accelerated, solid particles and/or micro-droplets to be supplied to the fluidised bed or to the free central area, and different annular areas of the fluidised bed to be separated. The invention also relates to methods for transforming solid particles or micro-droplets on contact with the fluids flowing through the rotary fluidised bed or for transforming fluids on contact with solids in suspension in the rotary fluidised bed, using said device.
    Type: Application
    Filed: April 4, 2013
    Publication date: May 7, 2015
    Inventor: Axel De Broqueville
  • Patent number: 9023967
    Abstract: A polymer having a long chain branching content peaking at greater than about 20 long chain branches per million carbon atoms, and a polydispersity index of greater than about 10 wherein the long chain branching decreases to approximately zero at the higher molecular weight portion of the molecular weight distribution. A polymer having a long chain branching content peaking at greater than about 8 long chain branches per million carbon atoms, a polydispersity index of greater than about 20 wherein the long chain branching decreases to approximately zero at the higher molecular weight portion of the molecular weight distribution. A polymer having a long chain branching content peaking at greater than about 1 long chain branches per chain, and a polydispersity index of greater than about 10 wherein the long chain branching decreases to approximately zero at the higher molecular weight portion of the molecular weight distribution.
    Type: Grant
    Filed: November 30, 2011
    Date of Patent: May 5, 2015
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Youlu Yu, Eric D. Schwerdtfeger, Max P. McDaniel, Alan L. Solenberger, Kathy S. Collins
  • Patent number: 9023959
    Abstract: Methods for the preparation of fluorided-chlorided silica-coated alumina activator-supports are disclosed. These activator-supports can be used in catalyst systems for the production of olefin-based polymers, such as polyethylene and polypropylene.
    Type: Grant
    Filed: July 15, 2013
    Date of Patent: May 5, 2015
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Max P. McDaniel, Uriah Kilgore, Qing Yang, Kathy S. Collins
  • Publication number: 20150119542
    Abstract: An electrochemical conversion method for converting at least a portion of a first mixture comprising hydrocarbon to C2+ unsaturates by repeatedly applying an electric potential difference, V(?1), to a first electrode of an electrochemical cell during a first time interval ?1; and reducing the electric potential difference, V(?1), to a second electric potential difference, V(?2), for a second time interval ?2, wherein ?2??1. The method is beneficial, among other things, for reducing coke formation in the electrochemical production of C2+ unsaturates in an electrochemical cell. Accordingly, a method of reducing coke formation in the electrochemical conversion of such mixtures and a method for electrochemically converting carbon to C2+ unsaturates as well as an apparatus for such methods are also provided.
    Type: Application
    Filed: October 17, 2014
    Publication date: April 30, 2015
    Inventors: Walter Weissman, Sumathy Raman, Mark A. Greaney
  • Publication number: 20150119537
    Abstract: This invention relates to processes using staged hydrogen addition in propylene polymerization. Using this process, broad/bi-modal MWD iPP with excellent stiffness properties and melt flow rates were produced.
    Type: Application
    Filed: October 9, 2014
    Publication date: April 30, 2015
    Inventors: Matthew W. Holtcamp, Jian Yang, Celestino M. Perez, JR., Gregory S. Day, Rohan A. Hule