Polymerizing In The Presence Of A Specified Material Other Than Monomer Patents (Class 526/89)
  • Patent number: 10625343
    Abstract: Invention provides a one step process for the preparation of metal nanoparticles which are stable at room temperature under normal storage condition for more than 6 months, retain their colloidal and dispersive nature at neutral, acidic (pH <7) and basic (pH >7) pH conditions and can maintain their stability and colloidal nature at low (while frozen), high temperatures and pressure, from water soluble metal chlorides and hydrides.
    Type: Grant
    Filed: October 31, 2014
    Date of Patent: April 21, 2020
    Inventors: Sankalp Vinod Agarwal, Shyam Sunder Reddy, Marshal
  • Patent number: 10597474
    Abstract: The non-fluorinated polymer includes a constituent unit derived from a (meth)acrylic acid ester monomer (A) represented by the following General Formula (A-1); and at least one monomer (E) from between vinyl chloride and vinylidene chloride: wherein in Formula (A-1), R1 represents a hydrogen or a methyl group; and R2 represents a monovalent hydrocarbon group having 12 or more carbon atoms which may have a substituent.
    Type: Grant
    Filed: July 13, 2016
    Date of Patent: March 24, 2020
    Assignees: NICCA CHEMICAL CO., LTD., NICCA KOREA CO., LTD.
    Inventors: Masaaki Hosoda, Makoto Nishikawa, Min-Si Jung
  • Patent number: 10414935
    Abstract: A method for preparing aqueous or organic suspensions of fully exfoliated nanocarbon materials includes a) dissolving a nanocarbon intercalation compound in an aprotic organic solvent (A) or a mixture (A?) of aprotic organic solvents under inert atmosphere; b) re-oxidation to revert the reduced nanocarbon material to its neutral state; and c) mixing the organic suspension of neutral nanocarbon obtained in step b) with a suitable amount of degassed water, degassed ionic aqueous solution, degassed organic solvent (B), degassed mixture (B?) of organic solvents, or degassed mixture of (B) or (B?) with water or an aqueous ionic solution; wherein solvent (A) or solvent mixture (A?) is fully or partially water-miscible or fully or partially miscible with solvent (B) or solvent mixture (B?); thereby leading to an air-metastable aqueous or organic suspension of nanocarbon material.
    Type: Grant
    Filed: June 11, 2015
    Date of Patent: September 17, 2019
    Assignee: Centre National de la Recherche Scientifique—CNRS
    Inventors: George Bepete, Carlos Drummond, Alain Penicaud
  • Patent number: 10077374
    Abstract: A method of making a coating composition includes selecting a temperature adjuster from a plurality of temperature adjusters based on an ambient temperature at which application of the coating composition is to occur. The temperature adjuster contains a resin and a solvent. The resin, the solvent, and/or amounts of the resin and the solvent are based on the ambient temperature. The temperature adjuster contains no less than about 1% solids. The method includes combining a paint with the temperature adjuster. The paint contains a resin and a solvent. The method includes mixing the temperature adjuster and the paint to form the coating composition, wherein the coating composition has no more than a predetermined total VOC content, wherein the predetermined total VOC content is about 1.2 kilograms per liter.
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: September 18, 2018
    Assignee: AXALTA COATING SYSTEMS IP CO., LLC
    Inventors: Gary W. Nickel, Renee J. Kelly, Yongqing Huang, Sheau-Hwa Ma, Beatriz E. Rodriguez-douglas
  • Patent number: 9809905
    Abstract: Provided are an amorphous polyetherimide fiber having not only a small single fiber fineness suitable for producing fabrics, and a fabric comprising the amorphous polyetherimide fiber. The fiber comprises an amorphous polyetherimide polymer having a molecular weight distribution (Mw/Mn) of less than 2.5, and having a shrinkage percentage under dry heat at 200° C. of 5% or less, and a single fiber fineness of 3.0 dtex or less. The fiber may have a tenacity at room temperature of 2.0 cN/dtex or greater.
    Type: Grant
    Filed: September 16, 2011
    Date of Patent: November 7, 2017
    Assignee: KURARAY CO., LTD.
    Inventors: Ryokei Endo, Yosuke Washitake, Yukie Hashimoto, Akihiro Uehata
  • Patent number: 9644982
    Abstract: The present invention provides a system and method for determining the necessary departure time to allow for an on-time or desired arrival time at a particular location over a particular route based on the evaluation of historic, present, and predicted road conditions.
    Type: Grant
    Filed: September 4, 2015
    Date of Patent: May 9, 2017
    Assignee: PELMOREX CANADA INC.
    Inventors: Christopher Kantarjiev, Jonathan Hubbard, Jonathan Tash
  • Patent number: 9533276
    Abstract: Polymerization process having a plurality of processing steps in which an inert gas is used or is provided as a back-up, each of the processing steps being assigned a ranking based on the requirement for an inert gas flow in the processing step. The process, in the event of a process upset, controls with a control system the supply of available inert gas based on the rankings.
    Type: Grant
    Filed: December 20, 2012
    Date of Patent: January 3, 2017
    Assignee: INEOS EUROPE AG
    Inventor: Kevin Peter Ramsay
  • Patent number: 9428383
    Abstract: An amphiphilic nanoparticle comprises a nanoparticle having a hydrophilic region comprising a hydrophilic functional group bonded to a first portion of a surface of the nanoparticle, and a hydrophobic region of a surface of the nanoparticle. A downhole fluid comprises the amphiphilic nanoparticle, and a method of controlling an oil spill using the downhole fluid are also disclosed.
    Type: Grant
    Filed: August 19, 2011
    Date of Patent: August 30, 2016
    Assignee: BAKER HUGHES INCORPORATED
    Inventors: Soma Chakraborty, Gaurav Agrawal
  • Patent number: 9346936
    Abstract: Disclosed are injection-moldable fluororesin compositions of melt flowable fluororesin and mesoporous silica. The fluororesin compositions are melt flowable and have a melt flow rate of from 2 to 60 g/10 min. The mesoporous silica has an average pore diameter of from 2 to 50 nm, and the pores of the mesoporous silica are filled with the melt flowable fluororesin. The fluororesin compositions have excellent melt moldability for manufacturing molded products from the fluororesin composition that demonstrate high hardness.
    Type: Grant
    Filed: April 14, 2014
    Date of Patent: May 24, 2016
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Osamu Hayakawa, Noriyuki Suzuki
  • Patent number: 9334346
    Abstract: A process of preparing a polyolefin in a loop reactor in the presence of antifouling agent can include feeding into the loop reactor diluent, monomers, optionally hydrogen, and optionally one or more co-monomers to produce a liquid phase. Antifouling agent and catalyst can be introduced into the loop reactor. The process can include polymerizing the monomers and optional co-monomers to form the polyolefin. The process can be characterized in that a time difference between introduction of the antifouling agent and introduction of the catalyst is at most 3 hours. The process can be characterized in that the catalyst is introduced into a liquid phase when a concentration of the antifouling agent ranges from 0 ppm to less than 0.3 ppm.
    Type: Grant
    Filed: January 22, 2015
    Date of Patent: May 10, 2016
    Assignee: Total Research and Technology Feluy
    Inventors: Daniel Siraux, Daan Dewachter
  • Patent number: 9321903
    Abstract: The present invention relates to the use of a polyolefin composition for water pipes or fittings with increased resistance to degradation caused by chlorine dioxide-containing water, particularly to the use of a combination of particular types of antioxidants for increasing the resistance of a polyolefin composition against degradation caused by contact with chlorine dioxide-containing water.
    Type: Grant
    Filed: July 23, 2012
    Date of Patent: April 26, 2016
    Assignee: Borealis AG
    Inventors: Martin Anker, Tanja Piel
  • Patent number: 9040620
    Abstract: A process for preparing an encapsulated pigment dispersion suitable for use in an ink jet printing ink comprising the following steps in the order I) followed by II): I) providing a dispersion comprising a pigment, a liquid medium and a dispersant comprising the repeat units from copolymerizing the ethylenically unsaturated monomers in components a) to c): a) from 75 to 97 parts of one or more hydrophobic ethylenically unsaturated monomers comprising at least 50 parts benzyl (meth)acrylate; b) from 3 to 25 parts one or more hydrophilic ethylenically unsaturated monomers having one or more ionic group(s); c) from 0 to 2 parts of one or more hydrophilic ethylenically unsaturated monomers having a hydrophilic non-ionic group; and wherein the parts are by weight and the sum of the parts a) to c) add up to 100; II) cross-linking the dispersant in the presence of the pigment and the liquid medium.
    Type: Grant
    Filed: October 1, 2009
    Date of Patent: May 26, 2015
    Assignee: Fujifilm Imaging Colorant Limited
    Inventors: Tom Annable, Mark Holbrook, Neil Anthony Tallant, John Patrick O'Donnell
  • Patent number: 9034997
    Abstract: Provided is a fluorine- and epoxy group-containing copolymer with excellent workability at room temperature, high water-repellency, and excellent characteristics as a water vapor barrier. Also provided is an efficient method for producing said copolymer. The fluorine and epoxy group-containing copolymer is characterized by containing at least a monomer unit represented by general formula (1): {Therein, R1-R10 each independently represent an alkyl group having 1-3 carbon atoms or a hydrogen atom, R11 is a hydrogen atom, methyl group, or phenyl group, and R5 or R6 can be linked with R7 or R8 to form a ring.} and a monomer unit represented by general formula (2): {Therein, R12 and R13 each independently represent a hydrogen atom or a fluorine atom; R14 represents a hydrogen atom, fluorine atom, methyl group or trifluoromethyl group, and R15 represents a flourine atom or perfluoro group having at most 12 carbon atoms}.
    Type: Grant
    Filed: May 19, 2011
    Date of Patent: May 19, 2015
    Assignee: Showa Denko K.K.
    Inventors: Hiroshi Uchida, Masanao Hara
  • Patent number: 9023943
    Abstract: The present invention relates to the use of Styrenated Phenol Ethoxylates as surfactants in emulsion polymerization. The present invention further relates to the use of both anionic and nonionic Styrenated Phenol Ethoxylates in emulsion polymerization. Latexes with small average particle and narrow particle size distributions are obtained. Prepared latexes also have low coagulum levels and exhibit excellent mechanical and chemical stability.
    Type: Grant
    Filed: November 28, 2011
    Date of Patent: May 5, 2015
    Assignee: Ethox Chemicals LLC
    Inventors: Lawrence C. Davis, Edward R. Godwin, Charles V. Hinton, James T. Tanner
  • Patent number: 9018324
    Abstract: The invention relates to a process for preparing pentabromobenzyl acrylate through the reaction of pentahalobenzyl halide with a salt of acrylic acid in water-immiscible solvent, wherein said salt is in aqueous form and the reaction is carried out in the presence of a phase transfer catalyst. A process for polymerizing the pentabromobenzyl acrylate in halogenated aromatic solvent and the poly (pentabromobenzyl acrylate) obtained are also disclosed.
    Type: Grant
    Filed: April 5, 2012
    Date of Patent: April 28, 2015
    Assignee: Bromine Compounds Ltd.
    Inventor: Jacob Oren
  • Patent number: 9006361
    Abstract: Aqueous dispersions of polymers which obtained by free radical suspension polymerization or free radical miniemulsion polymerization of ethylenically unsaturated monomers in an oil-in-water emulsion whose disperse phase comprises at least one fluorescent dye dissolved in at least one ethylenically unsaturated monomer and has an average particle diameter of at least 1 ?m, in the presence of at least one surface-active compound and at least 0.5% by weight, based on the monomers, of at least one hydrophobic, nonpolymerizable, organic compound, of a hydrophobic polymer of at least one C2- to C˜-olefin having a molar mass Mw of up to 10000, of a siloxane having a molar mass Mw of up to 5000 and/or polystyrene having a molar mass Mw of up to 10000, and of the powders obtainable from these polymer dispersions in each case by drying and comprising at least one fluorescent dye for marking of materials.
    Type: Grant
    Filed: March 31, 2014
    Date of Patent: April 14, 2015
    Assignee: BASF SE
    Inventors: Sven Holger Behrens, Simon Champ, Ulrike Geissler, Hans-Peter Hentze, Marc Rudolf Jung, Hans-Peter Kaub, Simon Nord
  • Patent number: 8987389
    Abstract: The present invention relates to a process of preparing a polyethylene in a loop reactor in the presence of antifouling agent comprising the steps of: a) feeding into said loop reactor diluent, monomers, optionally hydrogen, and optionally one or more co-monomers to produce a liquid phase; b) introducing antifouling agent into said loop reactor, c) introducing a catalyst into the liquid phase to produce a slurry; and d) polymerizing the monomers and optional co-monomers to form the polyethylene, characterized in that the time difference between introduction of the antifouling agent and introduction of the catalyst is at most 3 hours.
    Type: Grant
    Filed: July 29, 2011
    Date of Patent: March 24, 2015
    Assignee: Total Research & Technology Feluy
    Inventors: Daniel Siraux, Daan Dewachter
  • Patent number: 8986618
    Abstract: A gas-phase polyolefin reactor system for rapidly transitioning from one polyolefin product to another is disclosed. The reactor system comprises a steady-state control valve, a high-flow valve, a polyolefin reactor, a flow meter, a totalizer, an online analyzer and an empirical model. During a transition, the on-line analyzer measures an initial concentration of a reaction component, the empirical model predicts a required amount based upon the measured initial concentration and a selected ending concentration, the flow meter measures a flow rate, the totalizer determines a totalized amount when the flow rate of the first stream reaches the required amount based upon the measured flow rate and outputs the totalized amount to the empirical model, and the empirical model compares the required amount to the totalized amount and determines a transition endpoint. A method of rapidly transitioning the reactor system from one polyolefin product to another is also disclosed.
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: March 24, 2015
    Assignee: Ineos USA, LLC
    Inventors: Gregory Dudish, Ernest Chan
  • Patent number: 8981020
    Abstract: A method for preparing a functionalized polymer, the method comprising the steps of (a) polymerizing monomer in the presence of a coordination catalyst to form a polymer, (b) inhibiting said step of polymerizing with a Lewis base, and (c) reacting the polymer with a functionalizing agent.
    Type: Grant
    Filed: December 4, 2012
    Date of Patent: March 17, 2015
    Assignee: Bridgestone Corporation
    Inventors: Steven Luo, Kevin M. McCauley, Timothy L. Tartamella, Mark W. Smale, Randhir Shetty
  • Patent number: 8974680
    Abstract: A pattern forming method includes forming a coating film containing a hydrophilic first homopolymer having a first bonding group and a hydrophobic second homopolymer having a second bonding group capable of bonding with the first bonding group, forming a bond between the first and second bonding group to produce a block copolymer of the first and second homopolymers, and heating the coating film to microphase-separating the copolymer into a hydrophilic domain and a hydrophobic domain. The hydrophilic and hydrophobic domains are arranged alternately. The bond is broken, then selectively dissolving-removing either domain by a solvent to provide a polymer pattern of a remainder domain.
    Type: Grant
    Filed: March 21, 2012
    Date of Patent: March 10, 2015
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Hiroki Tanaka, Ryosuke Yamamoto, Naoko Kihara
  • Patent number: 8969492
    Abstract: Aqueous dispersions comprise a specific copolymer based on acrylate, a specific paraffin wax and one or more dispersants. The dispersions have high stability and are useful for treating textile fabrics, conferring outstanding water-repellent properties thereon.
    Type: Grant
    Filed: March 6, 2010
    Date of Patent: March 3, 2015
    Assignee: Huntsman Textile Effects (Germany) GmbH
    Inventors: Andreas Fuchs, Wilhelm Artner, Barbara Zwikirsch
  • Publication number: 20150057417
    Abstract: The present invention provides methods of preparing functionalized graphene nanoribbons. Such methods include: (1) exposing a plurality of carbon nanotubes (CNTs) to an alkali metal source in the presence of an aprotic solvent to open them; and (2) exposing the opened CNTs to an electrophile to form functionalized graphene nanoribbons (GNRs). The methods may also include a step of exposing the opened CNTs to a protic solvent to quench any reactive species on them. Additional methods include preparing unfunctionalized GNRs by: (1) exposing a plurality of CNTs to an alkali metal source in the presence of an aprotic solvent to open them; and (2) exposing the opened CNTs to a protic solvent to form unfunctionalized GNRs.
    Type: Application
    Filed: September 14, 2012
    Publication date: February 26, 2015
    Applicant: William Marsh Rice Universtiy
    Inventors: James M. Tour, Wei Lu, Bostjan Genorio
  • Patent number: 8962764
    Abstract: A process for constructing multi-arm star macromolecules with uniform properties, high molecular weight and narrow molecular weight distribution using free radical polymerization is described.
    Type: Grant
    Filed: March 29, 2010
    Date of Patent: February 24, 2015
    Assignee: Carnegie Mellon University
    Inventors: Krzysztof Matyjaszewski, Haifeng Gao, James Spanswick
  • Publication number: 20140371407
    Abstract: The present invention relates to a polymerisation process, and in particular to a polymerisation process comprising a plurality of processing steps in which an inert gas is used or is provided as a back-up, each of said processing steps being assigned a ranking based on the requirement for an inert gas flow in the processing step, said polymerisation process being characterised in that in the event of a loss of normal operating conditions the control system allocates the supply of the available inert gas based on said rankings.
    Type: Application
    Filed: December 20, 2012
    Publication date: December 18, 2014
    Inventor: Kevin Peter Ramsay
  • Publication number: 20140357821
    Abstract: The present invention provides a low-temperature-resistant fluorine-containing elastomer formed through polymerization of the comonomers: 40-80 mol % 1,1-vinylidene fluoride, 2-10 mol % tetrafluoroethylene, 10-30 mol % perfluoro(alkyl vinyl ether), and 1-10 mol % vulcanization monomer. The present invention further provides a preparation method of the fluorine-containing elastomer. In the present invention, on basis of a large number of experiments, the contents of the comonomers of the fluorine-containing elastomer are adjusted, so that the low temperature performance thereof is significantly improved, and the low-temperature retraction temperature TR-10<?40. Moreover, the rate of the volume change of the fluorine-containing elastomer in methanol decreases, and the oil resistance and the solvent resistance are improved, thereby improving the oil resistant performance and solvent resistant performance of the fluorine-containing elastomer.
    Type: Application
    Filed: August 27, 2012
    Publication date: December 4, 2014
    Inventors: Shaochun Zhao, Jun Lan, Jianxin Zhang, Bin Liu, Bin Li, Jiayong Gao, Xianrong Wang
  • Patent number: 8901259
    Abstract: Heterophasic polypropylene copolymers having an MFR (2.16 kg, 230° C.) of 15 to 200 g/10 min, determined according to ISO 1133 comprising a propylene homo- or copolymer matrix with an MFR (2.16 kg, 230° C.) of 80 to 500 g/10 min, determined according to ISO 1133 (A) and an ethylene or C4-C10-alpha-olefin propylene rubber phase (B) dispersed within the matrix, wherein the heterophasic polypropylene resin has a fraction soluble in p-xylene at 25° C. (XCS), having an intrinsic viscosity of 2.85 to 4.00 dl/g, determined according to DIN EN ISO 1628-1 and -3 and being composed of propylene monomer units in an amount of 70 wt % to 90 wt %, with optimum balance of impact resistance and low amount of hexane extractables; a process for their preparation and their use.
    Type: Grant
    Filed: June 15, 2011
    Date of Patent: December 2, 2014
    Assignee: Borealis AG
    Inventors: Klaus Bernreiter, Petar Doshev, Gregory Potter, Martina Sandholzer
  • Publication number: 20140350199
    Abstract: A polymerization process is disclosed, including: polymerizing an olefin to form an olefin-based polymer in a polymerization reactor; and introducing a hindered amine light stabilizer to the polymerization reactor. The process may further comprise monitoring static in the polymerization reactor; maintaining the static at a desired level by use of a hindered amine light stabilizer, the hindered amine light stabilizer present in the reactor in the range from about 0.1 to about 500 ppmw, based on the weight of polymer produced by the process.
    Type: Application
    Filed: December 18, 2012
    Publication date: November 27, 2014
    Applicant: Univation Technologies, LLC
    Inventors: Chi-I Kuo, Ghanshyam Ganu H. Patel, R. Eric Pequeno, Bruce J. Savatsky, F. David Hussein
  • Patent number: 8883948
    Abstract: Optimized methods to achieve extensive dark curing from a three-component visible light-initiated system though controlled radical polymerization and compositions useful in these optimized methods are provided. These compositions and methods are particularly suited for use in certain dental applications.
    Type: Grant
    Filed: July 1, 2009
    Date of Patent: November 11, 2014
    Assignee: The Regents of the University of Colorado
    Inventors: Jeffrey W. Stansbury, Dongkwan Kim
  • Patent number: 8877828
    Abstract: Provided is a method of producing a curable composition for imprints including (A) a polymerizable monomer, (B) a polymerization initiator, and (C) a solvent which is capable of effectively suppressing lifting or separation of patterns, excellent in coatability, and excellent in time-dependent stability. The method of producing a curable composition for imprints comprises preparing one species of liquid (D) which contains at least either one of the polymerizable monomer (A) and the polymerization initiator (B), passing the liquid (D) through a filter, and then adding the solvent (C).
    Type: Grant
    Filed: February 10, 2012
    Date of Patent: November 4, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Yuichiro Enomoto, Kunihiko Kodama, Shinji Tarutani
  • Publication number: 20140309391
    Abstract: The acrylic copolymer according to the present invention has a specific repeating unit and includes, in a chain, a methacrylate unit, a glutaric anhydride unit, or a mixture thereof in the amount of 0 to 1 ppm.
    Type: Application
    Filed: November 8, 2012
    Publication date: October 16, 2014
    Applicant: Cheil Industries Inc.
    Inventors: In Sik Jeon, Beom Jun Joo, Im Hyuck Bae
  • Patent number: 8846833
    Abstract: The invention relates to a process for preparing pressure-sensitive adhesives (PSAs) which have high molar masses in combination with a narrow molar mass distribution, and also to PSAs, especially polyacrylate-based PSAs, prepared accordingly. It has been found that, surprisingly, polymers with high molar masses and a narrow molar mass distribution, more particularly polyacrylates with high molar masses and a narrow molar mass distribution, can be prepared outstandingly in particular by means of RAFT processes in the presence of a diradical initiator which undergoes thermal cyclization to form a diradical, these polymers being suitable for use as high-shear-strength PSAs.
    Type: Grant
    Filed: December 19, 2012
    Date of Patent: September 30, 2014
    Assignee: TESA SE
    Inventor: Alexander Prenzel
  • Patent number: 8835584
    Abstract: In one embodiment of the disclosure, a copolymer and method for manufacturing the same are provided. The copolymer is copolymerized from a composition including: (a) a first hydrophilic monomer, including itaconamic acid, itaconamic salt, or combinations thereof; and (b) a second hydrophilic monomer, including acrylic acid, acrylic salt, acrylamide, or combinations thereof.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: September 16, 2014
    Assignee: Industrial Technology Research Institute
    Inventors: Tun-Fun Way, Yu-Ting Chen, Jiun-Jy Chen, Kelly Teng
  • Publication number: 20140256894
    Abstract: The present invention relates to solar cells and discloses a difluoro benzotriazolyl organic semiconductor material and preparation method and use thereof. The organic semiconductor material is represented by formula (I), wherein both R1 and R2 are C1 to C20 alkyl, and n is an integer from 10 to 50. In the difluoro benzotriazolyl organic semiconductor material, since the 1,2,3-benzotriazole organic semiconductor material contains two fluorine atoms, the HOMO energy level is reduced by 0.11 eV, while the fluorine-substituted 1,2,3-benzotriazole has two imido groups with electron-withdrawing ability; the fluorine-substituted 1,2,3-benzotriazole is a heterocyclic compound with strong electron-withdrawing ability, and an alkyl chain can be easily introduced to the N-position of the N—H bond of the benzotriazole. The functional group of the alkyl chain can improve the solar energy conversion efficiency, thus solving the low efficiency problem of solar cells made of the organic semiconductor material.
    Type: Application
    Filed: September 23, 2011
    Publication date: September 11, 2014
    Applicant: OCEAN'S KING LIGHTING SCIENCE & TECHNOLOGY CO., LTD.
    Inventors: Mingjie Zhou, Ping Wang, Zhenhua Zhang, Jixing Chen
  • Patent number: 8829124
    Abstract: The invention relates to a process for preparing polyolefin in a loop reactor. The polymer is prepared by polymerizing olefin monomers in the presence of a catalyst to produce a polyolefin slurry while pumping said slurry through said loop reactor by means of a pump. The present process is characterized in that the catalyst is fed in the loop reactor at a distance to the pump. The invention allows production of the polymer with advantageous properties while leading to fewer blockages of the reactor.
    Type: Grant
    Filed: December 2, 2013
    Date of Patent: September 9, 2014
    Assignee: Total Research & Technology Feluy
    Inventors: Eric Damme, Louis Fouarge, Jerome Bette, Alvaro Fernandez, Aurelien Vantomme, Renaud Oreins, Daniel Siraux
  • Patent number: 8790579
    Abstract: Methods and systems for preparing catalyst, such as chromium catalysts, are provided. The valence of at least a portion of the catalyst sent to an activator is changed from Cr(III) to Cr(VI). The catalyst is prepared or activated continuously using a fluidization bed catalyst activator.
    Type: Grant
    Filed: December 11, 2012
    Date of Patent: July 29, 2014
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Elizabeth A. Benham, Max P. McDaniel, Ted H. Cymbaluk, Charles K. Newsome, Charles R. Nease, H. Kenneth Staffin, Thomas R. Parr
  • Patent number: 8779015
    Abstract: Provided are a recycling method for industrially, simply and effectively recycling a phenolic body from a phenolic antioxidant which is masked by an organoaluminum compound and contained in an olefin polymer obtained by supplying the masked phenolic antioxidant upon polymerization; and an olefin polymer obtained by this method. In a method for recycling a phenolic antioxidant wherein a phenolic antioxidant which is masked by an organoaluminum compound and contained in an olefin polymer obtained by supplying the masked phenolic antioxidant upon polymerization is recycled to a phenolic body, a nitrogen gas comprising water and/or a proton donor at a volume ratio of 1.0×10?6 to 2.5×10?2 with respect to 1 volume of nitrogen is brought into contact with the olefin polymer.
    Type: Grant
    Filed: September 1, 2010
    Date of Patent: July 15, 2014
    Assignee: Adeka Corporation
    Inventors: Naoshi Kawamoto, Tsuyoshi Urushihara, Kohei Okamoto, Tetsuya Seguchi
  • Publication number: 20140194574
    Abstract: A method for producing a water-absorbent resin including the step of subjecting a water-soluble ethylenically unsaturated monomer to a reversed phase suspension polymerization in a petroleum hydrocarbon dispersion medium in the presence of a radical polymerization initiator and a dispersion stabilizer, wherein the method is characterized by the use of an ether-ester type nonionic surfactant as the dispersion stabilizer, and a water-absorbent resin obtained by the method, wherein the water-absorbent resin has a water-retention capacity of saline solution of 25 g/g or more, a water-absorption rate of saline solution of 50 seconds or less, and a flow index under moisture absorption of 70% or more. According to the method of the present invention, a water-absorbent resin having high water-retention capacity, excellent water-absorption rate, and further having excellent flowability under moisture absorption can be produced.
    Type: Application
    Filed: August 23, 2012
    Publication date: July 10, 2014
    Applicant: SUMITOMO SEIKA CHEMICALS CO., LTD.
    Inventors: Masayoshi Handa, Junichi Takatori
  • Publication number: 20140171606
    Abstract: Slurry polymerization process for the preparation of a polypropylene (PP) having a decaline soluble fraction (DS) of equal or below 2.5 wt.-%, wherein (a) a Ziegler-Natta catalyst (ZN), (b) propylene and optionally ethylene and/or an C4 to C12 ?-olefin, and (c) a diluent (D) comprising a donor agent (DA), are fed into a first reactor vessel (R1) and the polymerization of said polypropylene (PP) takes place in at least said first reactor (R1).
    Type: Application
    Filed: July 5, 2012
    Publication date: June 19, 2014
    Applicant: Borealis AG
    Inventors: Evi De Smet, Lodewijk Hendrickx, Werner Verwimp, Marc Verheijen, Paul Allemeersch, Erwin Vanzeir, Francisus Jacobs, Yvo Daniels, Kristof Storms
  • Patent number: 8754176
    Abstract: The present invention provides a low-molecular weight polytetrafluoroethylene powder that, when used as an additive in a coating material, etc., can form a coating with excellent texture and gliding properties, while also improving dispersibility and viscosity; and a production process therefor. The present invention is a process for producing a low-molecular weight polytetrafluoroethylene powder, the process comprising: an emulsion polymerization step of polymerizing at least tetrafluoroethylene in the presence of a polymerization initiator and an aqueous medium to produce emulsified particles thereof; an agglomeration step of agglomerating the emulsified particles to form an agglomerated powder thereof; and a suspension polymerization step of polymerizing at least tetrafluoroethylene in the presence of the agglomerated powder, a polymerization initiator, and an aqueous medium.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: June 17, 2014
    Assignee: Daikin Industries, Ltd.
    Inventors: Taku Yamanaka, Masayuki Tsuji, Shunji Kasai, Yasuhiko Sawada
  • Publication number: 20140148563
    Abstract: The invention is directed to a process for the gas phase polymerisation of one or more olefin monomers in a fluidised bed reactor in a dry mode or in a (super) condensed mode with a gas stream comprising an inert gas characterised in that the inert gas comprises a mixture of inert components: (1) nitrogen; (2) a gas heat capacity increasing agent (3) a sorption promoting agent and (4) a polymer swelling agent. The inert gas may comprise (1) 5-60% by mol nitrogen (2) 10-90% by mol ethane (3) 1-50% by mol % n-butane and (4) 0.1-10% by mol % n-pentane or iso-pentane.
    Type: Application
    Filed: January 29, 2014
    Publication date: May 29, 2014
    Applicant: Saudi Basic Industries Corporation
    Inventors: Yahya Banat, Fahad Al-Obaidi, Abdul Kader Malek
  • Patent number: 8735518
    Abstract: Aqueous dispersions of polymers which obtained by free radical suspension polymerization or free radical miniemulsion polymerization of ethylenically unsaturated monomers in an oil-in-water emulsion whose disperse phase comprises at least one fluorescent dye dissolved in at least one ethylenically unsaturated monomer and has an average particle diameter of at least 1?m, in the presence of at least one surface-active compound and at least 0.5% by weight, based on the monomers, of at least one hydrophobic, nonpolymerizable, organic compound, of a hydrophobic polymer of at least one C2- to C6-olefin having a molar mass Mw of up to 10000, of a siloxane having a molar mass Mw of up to 5000 and/or polystyrene having a molar mass Mw of up to 10000, and of the powders obtainable from these polymer dispersions in each case by drying and comprising at least one fluorescent dye for marking of materials.
    Type: Grant
    Filed: December 11, 2006
    Date of Patent: May 27, 2014
    Assignee: BASF Aktiengesellschaft
    Inventors: Sven Holger Behrens, Simon Champ, Ulrike Geissler, Hans-Peter Hentze, Marc Rudolf Jung, Hans-Peter Kaub, Simon Nord
  • Publication number: 20140121338
    Abstract: The invention relates to a process for preparing pentabromobenzyl acrylate through the reaction of pentahalobenzyl halide with a salt of acrylic acid in water-immiscible solvent, wherein said salt is in aqueous form and the reaction is carried out in the presence of a phase transfer catalyst. A process for polymerizing the pentabromobenzyl acrylate in halogenated aromatic solvent and the poly (pentabromobenzyl acrylate) obtained are also disclosed.
    Type: Application
    Filed: April 5, 2012
    Publication date: May 1, 2014
    Applicant: BROMINE COMPOUNDS LTD.
    Inventor: Jacob Oren
  • Patent number: 8691908
    Abstract: The present disclosure is related to a carbon-nanomaterial-supported catalyst, including: a carbon nanomaterial, and a polymer grafted onto the carbon nanomaterial, wherein the polymer has a repeat unit containing a phosphonium salt and its molecular weight is 1,000-200,000. The disclosure is also related to a method of preparing carbonate, which includes using the carbon nanomaterial-supported catalyst for the cycloaddition reaction of carbon dioxide into the epoxy group.
    Type: Grant
    Filed: September 1, 2011
    Date of Patent: April 8, 2014
    Assignee: Industrial Technology Research Institute
    Inventors: Cheng-Wei Yeh, Mao-Lin Hsueh, Kuo-Chen Shih, Yi-Zhen Chen
  • Patent number: 8686097
    Abstract: A method of treating a polymerization reactor effluent stream comprising recovering the reactor effluent stream from the polymerization reactor, flashing the reactor effluent stream to form a flash gas stream, separating the flash gas stream into a first top stream, a first bottom stream, and a side stream, wherein the side stream substantially comprises hexane, separating the first top stream into a second top stream and a second bottom stream, wherein the second bottom stream substantially comprises isobutane, and separating the second top stream into a third top stream and a third bottom stream; wherein the third top stream substantially comprises ethylene, and wherein the third bottom stream is substantially free of olefins.
    Type: Grant
    Filed: June 21, 2013
    Date of Patent: April 1, 2014
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Andrew J. Mills, Ralph W. Romig, Ji Xian X. Loh
  • Patent number: 8680219
    Abstract: A method of treating a polymerization reactor effluent stream comprising recovering the reactor effluent stream from the polymerization reactor, flashing the reactor effluent stream to form a flash gas stream, separating the flash gas stream into a first top stream, a first bottom stream, and a side stream, wherein the side stream substantially comprises hexane, separating the first top stream into a second top stream and a second bottom stream, wherein the second bottom stream substantially comprises isobutane, and separating the second top stream into a third top stream and a third bottom stream; wherein the third top stream substantially comprises ethylene, and wherein the third bottom stream is substantially free of olefins.
    Type: Grant
    Filed: June 21, 2013
    Date of Patent: March 25, 2014
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Andrew J. Mills, Ralph W. Romig, Ji Xian X. Loh
  • Patent number: 8663660
    Abstract: Polymerized micelles comprising polymerized amphiphilic molecules obtained starting from amphiphilic molecules having one or two lipid chains each comprising one or two polymerizable moieties and linked to a polar head.
    Type: Grant
    Filed: April 28, 2009
    Date of Patent: March 4, 2014
    Assignees: Les Laboratories Servier, Commissariat a l'Energie Atomique
    Inventors: Julien Ogier, Eric Doris, François Lefoulon, Thomas Arnauld
  • Patent number: 8648156
    Abstract: Polymerization process in a slurry loop reactor having a slurry loop reaction zone with a volume of at least 50 m3 and an internal diameter (D) of 50 cm or greater, a feed inlet for monomers and diluent, a catalyst inlet for polymerisation catalyst, and a discharge conduit for removal of polymer. Monomer, diluent and catalyst are passed into the reaction zone through their respective inlets where they form a slurry of polymer solids having a polymer solids concentration in the reaction zone of greater than 20 wt %. The space-time yield (STY) is greater than 100 kg/h/m3, and the catalyst inlet is an inlet pipe such that no part of the inlet pipe protrudes beyond the wall of the reaction zone and into the reaction zone by more than 1/10th of the diameter of the reaction zone at the point where the inlet pipe joins the reaction zone.
    Type: Grant
    Filed: April 12, 2011
    Date of Patent: February 11, 2014
    Assignee: Ineos Commercial Services UK Limited
    Inventors: Daniel Marissal, Stephen Kevin Lee
  • Patent number: 8642710
    Abstract: The invention relates to a process for preparing polyolefin in a loop reactor. The polymer is prepared by polymerizing olefin monomers in the presence of a catalyst to produce a polyolefin slurry while pumping said slurry through said loop reactor by means of a pump. The present process is characterized in that the catalyst is fed in the loop reactor at a distance to the pump. The invention allows production of the polymer with advantageous properties while leading to fewer blockages of the reactor.
    Type: Grant
    Filed: February 3, 2011
    Date of Patent: February 4, 2014
    Assignee: Total Petrochemicals Research Feluy
    Inventors: Eric Damme, Louis Fouarge, Jerôme Bette, Alvaro Fernandez, Aurélien Vantomme, Renaud Oreins, Daniel Siraux
  • Patent number: 8623972
    Abstract: The present invention relates to styrene-butadiene copolymers (SBR) that are prepared using aqueous emulsion polymerization technology and are intended for the adhesive and sealing industry, being particularly useful in the preparation of contact adhesives and pressure-sensitive adhesives (PSA) and widely applicable in the footwear and furniture industries. The use of this kind of elastomer in processes for preparing adhesives, having an aqueous or solvent base, provides high cohesion to adhesive compositions without compromising or jeopardizing the adhesion. The present invention is also intended to protect the process for obtaining SBR copolymers, simultaneously comprising: aqueous emulsion polymerization at high temperatures, the use of a specific surfactant and the maintenance of the Mooney viscosity and the combined styrene content in the copolymer in high ranges.
    Type: Grant
    Filed: January 27, 2012
    Date of Patent: January 7, 2014
    Assignee: Lanxess Elastomeros Do Brasil S.A.
    Inventors: Marcus Tadeu Moura Moutinho, Manoel Remigio dos Santos, Rinaldo Farias Luz, Humberto Rocha Lovisi, Mauro Eduardo Costa Braz Pinto
  • Patent number: 8609791
    Abstract: The present invention relates to a method for optimizing the sequential feeding of at least two ethylene polymerization catalysts to an ethylene polymerization reactor, comprising: transferring to a mixing vessel a first ethylene polymerization catalyst and a first diluent, decreasing the concentration of said first ethylene polymerization catalyst in said mixing vessel, transferring to said mixing vessel a second ethylene polymerization catalyst and a second diluent, progressively replacing said first ethylene polymerization catalyst by said second ethylene polymerization catalyst and said first diluent by said second diluent, increasing the concentration of said second ethylene polymerization catalyst in said mixing vessel, sequentially transferring said first ethylene polymerization catalyst and said second ethylene polymerization catalyst from said mixing vessel to an ethylene polymerization reactor.
    Type: Grant
    Filed: December 17, 2010
    Date of Patent: December 17, 2013
    Assignee: Total Research & Technology Feluy
    Inventors: Daan Dewachter, Martine Slawinski