Halogen Containing Patents (Class 502/134)
  • Patent number: 12037440
    Abstract: Embodiments are directed to catalyst systems comprising: a procatalyst; and a co-catalyst dissolved in a non-halogenated aprotic hydrocarbon solvent, the co-catalyst comprising: a non-coordinating borate dianion having the formula: (III) and two cations, each cation being independently chosen from a cation according to formula (I) or formula (II).
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: July 16, 2024
    Assignees: Dow Global Technologies LLC, Northwestern University
    Inventors: Tobin J. Marks, Yanshan Gao, Tracy L. Lohr, Matthew D. Christianson, Jerzy Klosin, Edmund M. Carnahan, Andrew J. Young
  • Patent number: 9000242
    Abstract: The invention is directed to a catalyst for the gas phase fluorination of 1,1,2-trichloroethane and/or 1,2-dichloroethene with HF to give 1-chloro-2,2-difluoroethane which catalyst is prepared by co-depositing FeCl3 and MgCl2 on chromia-alumina, or co-depositing Cr(NO3)3 and Ni(NO3)2 on active carbon, or by doping alumina with ZnCl2, and to a process for the preparation of 1-chloro-2,2-difluoroethane comprising a catalytic gas phase fluorination of 1,1,2-trichloroethane and/or 1,2-dichloroethene wherein one of the catalysts according to claim 2 or 3 is used.
    Type: Grant
    Filed: October 11, 2012
    Date of Patent: April 7, 2015
    Assignee: Bayer Intellectual Property
    Inventors: Norbert Lui, Shanthan Rao Pamulaparthy, Srinivas Pvss, Thomas Vijaya, Sridhar Madabhushi, Rambabu Yadla, Narsaiah Banda, Sergii Pazenok
  • Patent number: 8981023
    Abstract: This invention relates to a supported nonmetallocene catalyst and preparation thereof. The supported nonmetallocene catalyst can be produced with a simple and feasible process and is characterized by an easily controllable polymerization activity. This invention further relates to use of the supported nonmetallocene catalyst in olefin homopolymerization/copolymerization, which is characterized by a lowered assumption of the co-catalyst as compared with the prior art.
    Type: Grant
    Filed: October 13, 2010
    Date of Patent: March 17, 2015
    Assignees: China Petroleum & Chemical Corp., Sinopec Yangzi Petrochemical Co. Ltd.
    Inventors: Hongping Ren, Chuanfeng Li, Xiaoli Yao, Feng Guo, Zhonglin Ma, Haibin Chen, Kaixiu Wang, Jingwei Liu, Yaming Wang
  • Patent number: 8957169
    Abstract: This invention relates to a supported nonmetallocene catalyst and preparation thereof. The supported nonmetallocene catalyst can be produced with a simple and feasible process and is characterized by an easily controllable polymerization activity. This invention further relates to use of the supported nonmetallocene catalyst in olefin homopolymerization/copolymerization, which is characterized by a lowered assumption of the co-catalyst as compared with the prior art.
    Type: Grant
    Filed: October 13, 2010
    Date of Patent: February 17, 2015
    Assignees: China Petroleum & Chemical Corp., Sinopec Yangzi Petrochemical Co. Ltd.
    Inventors: Xiaoli Yao, Chuanfeng Li, Hongping Ren, Zhonglin Ma, Feng Guo, Kaixiu Wang, Jingwei Liu, Yaming Wang
  • Patent number: 8952113
    Abstract: This invention relates to a supported nonmetallocene catalyst and preparation thereof. The supported nonmetallocene catalyst can be produced with a simple and feasible process and is characterized by an easily controllable polymerization activity. This invention further relates to use of the supported nonmetallocene catalyst in olefin homopolymerization/copolymerization, which is characterized by a lowered assumption of the co-catalyst as compared with the prior art.
    Type: Grant
    Filed: October 13, 2010
    Date of Patent: February 10, 2015
    Assignees: China Petroleum & Chemical Corp., Sinopec Yangzi Petrochemical Company Ltd.
    Inventors: Chuanfeng Li, Hongping Ren, Xiaoli Yao, Lin Kan, Bo Liu, Zhonglin Ma, Feng Guo, Kaixiu Wang, Yaming Wang, Lijuan Yang
  • Patent number: 8952112
    Abstract: This invention relates to a supported nonmetallocene catalyst and preparation thereof. The supported nonmetallocene catalyst can be produced with a simple and feasible process and is characterized by an easily controllable polymerization activity. This invention further relates to use of the supported nonmetallocene catalyst in olefin homopolymerization/copolymerization, which is characterized by a lowered assumption of the co-catalyst as compared with the prior art.
    Type: Grant
    Filed: October 13, 2010
    Date of Patent: February 10, 2015
    Assignees: China Petroleum & Chemical Corp., Sinopec Yangzi Petrochemical Company Ltd.
    Inventors: Chuanfeng Li, Hongping Ren, Xiaoli Yao, Zhonglin Ma, Feng Guo, Kaixiu Wang, Jingwei Liu, Yaming Wang, Lijuan Yang
  • Publication number: 20140309385
    Abstract: Group 4 transition metal complexes of bidentate iminonaphthol pro-ligands can be used as catalysts to polymerise olefins, such as ethylene. Group 4 transition metal complexes of bidentate iminonaphthol pro-ligands can have a single-site nature, allowing the catalysts to be used to prepare ultra high molecular weight polyethylene having a narrow molecular weight distribution.
    Type: Application
    Filed: August 2, 2012
    Publication date: October 16, 2014
    Inventor: Jeroen Wassenaar
  • Publication number: 20140046011
    Abstract: Process for the preparation of solid particles of a magnesium-chloride alcohol adduct comprising (a) forming an emulsion between a MgCl2 alcohol adduct in molten form and a liquid phase which is immiscible with the said adduct in the presence of a polyalkyl-methacrylate used as a solution having viscosity ranging from 100 to 5000 mm2/s and (b) rapidly cooling the emulsion to solidify the disperse phase and collecting the solid adduct particles.
    Type: Application
    Filed: April 13, 2012
    Publication date: February 13, 2014
    Applicant: Basell Poliolefine Italia S. r. I.
    Inventors: Benedetta Gaddi, Daniele Evangelisti, Gianni Collina
  • Patent number: 8642494
    Abstract: A catalyst system can include a Ziegler-Natta catalyst, an internal donor, a magnesium halide in active form, and an organoaluminium compound. The Ziegler-Natta catalyst can have a titanium compound and at least one titanium-halogen bond. The internal donor can include at least 80 wt % of an enamino-imine with respect to a total weight of the internal donor. The Ziegler-Natta catalyst and the internal donor can both be supported on the magnesium halide in active form.
    Type: Grant
    Filed: April 29, 2013
    Date of Patent: February 4, 2014
    Assignee: Total Petrochemicals Research Feluy
    Inventors: Hugues Haubruge, Guillaume Pavy, Alain Standaert
  • Patent number: 8636974
    Abstract: It is an object to provide a method for producing titanium dioxide superfine particles, which produces monodispersed titanium dioxide superfine particles depending on its purpose, causes no clogging with a product due to self-dischargeability, requires no great pressure, and is excellent in productivity. In the method for producing titanium dioxide superfine particles in a fluid containing a titanium compound by separation, the fluid is formed into a thin film fluid between two processing surfaces arranged so as to be able to approach to and separate from each other, at least one of which rotates relative to the other, and the titanium dioxide superfine particles are separated in the thin film fluid.
    Type: Grant
    Filed: September 11, 2008
    Date of Patent: January 28, 2014
    Assignee: M. Technique Co., Ltd.
    Inventor: Masakazu Enomura
  • Patent number: 8557920
    Abstract: The present invention relates to a polymer composition, comprising (i) a polypropylene homopolymer, (ii) a polypropylene random copolymer, prepared by copolymerization of propylene with an olefin comonomer and having an amount of olefin comonomer units of 0.2 to 5 wt %, and (iii) an elastomeric copolymer of propylene and at least one olefin comonomer, the polymer composition having a tensile modulus, determined according to ISO 527-2/1 B at 1 mm/min. and 230 C, of at least 1200 MPa.
    Type: Grant
    Filed: May 11, 2006
    Date of Patent: October 15, 2013
    Assignee: Borealis Technology Oy
    Inventors: Kauno Alastalo, Carl-Gustaf Ek, Bo Malm, Ulf Torgersen, Olli Tuominen
  • Publication number: 20130172500
    Abstract: A phosphinimine catalyst immobilized on a passivated inorganic oxide support, had high activity at low co-catalyst concentrations and gave, under gas phase polymerization conditions, ethylene copolymer with a high molecular weight. A method of making a passivated silica support involves treatment of silica with an organoaluminum compound, a diorganomagnesium compound and a source of chloride (to make MgCl2) under anhydrous conditions and in the absence of polar solvents.
    Type: Application
    Filed: November 21, 2012
    Publication date: July 4, 2013
    Applicant: NOVA CHEMICALS (INTERNATIONAL) S.A.
    Inventor: NOVA Chemicals ((International) S.A.
  • Publication number: 20130158215
    Abstract: This invention relates to modified Ziegler-Natta catalyst systems that have an excellent activity in homo- or co-polymerisation of ethylene and alpha-olefins and are able to produce polymers having reduced molecular weight distribution and improved incorporation of hexene with respect to conventional Ziegler-Natta catalyst systems.
    Type: Application
    Filed: May 19, 2011
    Publication date: June 20, 2013
    Inventors: Elsa Martigny, Vincent Monteil, Roger Spitz, Aurélien Vantomme
  • Publication number: 20120329963
    Abstract: The present invention relates to catalysts component for the polymerization of ethylene and its mixtures with olefins CH2?CHR, wherein R is an alkyl, cycloalkyl or aryl radical having 1-12 carbon atoms, comprising Ti, Mg, halogen, and electron donor belonging to 1,2-diethers as internal electron donor compound. The catalyst of the invention is suitably used in (co)polymerization processes of ethylene to prepare (co)polymers having narrow Molecular Weight Distribution (MWD) and high bulk density.
    Type: Application
    Filed: March 1, 2011
    Publication date: December 27, 2012
    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
    Inventors: Diego Brita, Gianni Collina, Daniele Evangelisti, Benedetta Gaddi, Maria Carbonara, Paolo Vincenzi
  • Patent number: 8318626
    Abstract: The present invention relates to solid catalyst components comprising titanium, magnesium, halogen and an internal electron donor compound containing at least one 1,8-naphthyl diester compound. The 1,8-naphthyl diester compounds include naphthalene-1,8-diyl dicycloalkanecarboxylate derivatives, dicycloalkenecarboxylate derivatives, 8-(cycloalkanecarbonyloxy)naphthalene-1-yl benzoate derivatives, and 8-(cycloalkenecarbonyloxy)naphthalene-1-yl benzoate derivatives. The present invention further relates to catalyst systems containing the catalyst solid components, organoaluminum compounds, and organosilicon compounds. The present invention also relates to methods of making the solid catalyst components and the catalyst systems, and methods of polymerizing or copolymerizing alpha-olefins using the catalyst systems.
    Type: Grant
    Filed: March 1, 2010
    Date of Patent: November 27, 2012
    Assignee: BASF Corporation
    Inventor: Main Chang
  • Publication number: 20120283402
    Abstract: Solid adducts comprising MgCl2 and water and optionally an organic hydroxy compound (A) selected from hydrocarbon structures containing at least one hydroxy group, said compounds being present in molar ratio defined by the following formula MgCl2.(H20)n(A)p in which n is from 0.6 to 6, p ranges from 0 to 3, said adduct having a porosity (PF), measured by the mercury method and due to pores with radius equal to or lower than 1 ?m, of at least 0.15 cm3/g with the proviso that when p is 0, (PF) is equal to or higher than 0.3 cm3/g.
    Type: Application
    Filed: December 17, 2010
    Publication date: November 8, 2012
    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
    Inventors: Daniele Evangelisti, Benedetta Gaddi, Diego Brita, Gianni Collina, Anna Fait
  • Publication number: 20120264895
    Abstract: A catalyst component for the polymerization of olefins comprising Mg, Ti and Cl obtained by a process comprising the following steps: a) reacting a precursor of formula MgCl2.mEtOH, wherein m is equal to, or lower than, 1.5 having a porosity due to pores with radius up to 1? of higher than 0.4 cm3/g with an alcohol of formula RIOH where RI is an alkyl different from ethyl, a cycloalkyl or aryl radical having 3-20 carbon atoms said RIOH being reacted with the said precursor using molar ratio RIOH/Mg ranging from 0.01 to 10; b) reacting the product obtained in (a) with TiCl4 using Ti/Mg molar ratio ranging from 0.01 to 15, c) reacting the product obtained in (b) with a silicon compound of formula RIaRIIbSi(ORIII)4?(a+b) where RI-RIII are linear or branched, cycloalkyl, aryl C1-C20 hydrocarbon groups a and b are integers from 0 to 2.
    Type: Application
    Filed: December 17, 2010
    Publication date: October 18, 2012
    Applicant: BASELL POLYOLEFINE GMBH
    Inventors: Friedhelm Gundert, Martin Schneider
  • Publication number: 20120259078
    Abstract: Catalyst component comprising Mg, Ti, and halogen atoms, and is characterized in that (a) the Ti atoms are present in an amount higher than 4% based on the total weight of the said catalyst component, (b) the amount of Mg and Ti atoms is such that the Mg/Ti molar ratio is higher than 2 and (c) by a X-ray diffraction spectrum, in which, in the range of 2? diffraction angles between 47° and 52°, at least two diffraction lines are present at diffraction angles 2? of 48.3±0.2°, and 50.0±0.2°, the most intense diffraction lines being the one at 2? of 50.0±0.2°, the intensity of the other diffraction line being equal to or lower than the intensity of the most intense diffraction line.
    Type: Application
    Filed: December 17, 2010
    Publication date: October 11, 2012
    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
    Inventors: Diego Brita, Gianni Collina, Daniele Evangelisti, Anna Fait, Benedetta Gaddi, Giampiero Morini, Pietro Baita, Lorella Marturano, Harry Mavridis
  • Publication number: 20120232235
    Abstract: The present invention discloses catalyst compositions employing transition metal complexes with a thiolate ligand. Methods for making these transition metal complexes and for using such compounds in catalyst compositions for the polymerization of olefins also are provided.
    Type: Application
    Filed: March 8, 2011
    Publication date: September 13, 2012
    Applicant: CHEVRON PHILLIPS CHEMICAL COMPANY LP
    Inventor: Mark L. Hlavinka
  • Publication number: 20120208969
    Abstract: Ziegler-Natta catalysts, processes of forming the same and using the same are described herein. The process generally includes contacting a metal component with a magnesium dihalide support material to form a Ziegler-Natta catalyst precursor; contacting the support material with a dopant including a non-Group IV metal halide to form a doped catalyst precursor; and activating the doped catalyst precursor by contact with an organoaluminum compound to form a Ziegler-Natta catalyst.
    Type: Application
    Filed: February 16, 2011
    Publication date: August 16, 2012
    Applicant: Fina Technology, Inc.
    Inventors: LEI ZHANG, David Knoeppel
  • Patent number: 8193288
    Abstract: This invention relates to a supported nonmetallocene catalyst for olefin polymerization, which is produced by directly reacting a nonmetallocene ligand with a catalytically active metallic compound on a carrier through an in-situ supporting process. The process according to this invention is simple and feasible, and it is easy to adjust the load of the nonmetallocene ligand on the porous carrier. The supported nonmetallocene catalyst according to this invention can be used for olefin homopolymerization/copolymerization, even in combination with a comparatively less amount of the co-catalyst, to achieve a comparatively high polymerization activity. Further, the polymer product obtained therewith boasts desirable polymer morphology and a high bulk density.
    Type: Grant
    Filed: October 15, 2008
    Date of Patent: June 5, 2012
    Assignee: Sinopec Yangzi Petro-Chemical Ltd.
    Inventors: Yuefeng Gu, Chuanfeng Li, Xiaoli Yao, Zhonglin Ma, Bo Liu, Feng Guo, Yaming Wang, Jiye Bai, Shaohui Chen, Xiaoqiang Li
  • Patent number: 8044155
    Abstract: A catalyst system obtainable by the process comprising the steps of contacting an adduct of formula (I) MgT2.yAlQj(OR?)3-j??(I) wherein T is chlorine, bromine, or iodine; R? is a linear or branched C1-C10 alkyl radical; y ranges from 1.00 to 0.05; and j ranges from 0.01 to 3.00; with at least one metallocene compound having titanium as central metal and at least one ligand having a cyclopentadienyl skeleton.
    Type: Grant
    Filed: May 1, 2008
    Date of Patent: October 25, 2011
    Assignee: Stichting Dutch Polymer Institute
    Inventors: John Richard Severn, John Clement Chadwick
  • Publication number: 20110124831
    Abstract: The present invention relates to a self-assembled olefin polymerization catalyst comprising a transition metal compound according to formula (I) LqMmXn wherein M is a transition metal selected from the group consisting of Group 3-11 of the periodic table; X is independently selected from the group consisting of H, halogen, CN, optionally substituted N(Ra)2, OH, optionally substituted C1-C20 alkyl, optionally substituted C1-C20 alkoxy, wherein Ra is independently selected from the group consisting of optionally substituted C1-C20 alkyl, optionally substituted C6-C20 aryl and halogen; q is an integer of at least 2; m is an integer of at least 2; n is an integer making (I) electrically neutral; L is independently a ligand which has at least two linked coordination units, wherein each coordination unit binds to a different transition metal.
    Type: Application
    Filed: January 14, 2008
    Publication date: May 26, 2011
    Applicant: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH
    Inventor: He-Kuan Luo
  • Patent number: 7851395
    Abstract: This invention relates to an improved method for improving the tacticity of Ziegler-Natta catalyst systems and for controlling the behaviour of the active stereospecific sites.
    Type: Grant
    Filed: April 4, 2007
    Date of Patent: December 14, 2010
    Assignee: Total Petrochemicals Research Feluy
    Inventors: David Ribour, Roger Spitz, Jerome Gromada
  • Publication number: 20100099833
    Abstract: The component of magnesium halide adduct is represented by MgX2 mROH nE pH2O, in which X is chlorine, bromine, C1-C14alkoxy or aryloxy; R is C1-C12 alkyl, C3-C10 cycloalkyl or C6-C10 aryl; E is represented by the general formula (II), wherein R1 and R2 which can be the same or different to each other, are hydrogen or linear or branched C1-C10 hydrocarbon groups, C3-C10 cycloalkyl, C6-C10 aryl, C7-C10 alkaryl or aralkyl, optionally, the said aryl or alkylaryl or arylalkyl is substituted by one or more halogen in the aromatic ring, R1 and R2 can form ring or fused ring. R3 and R4 have the same meaning of R1 and R2 except that they can't be hydrogen, m is 1-5, n is 0.005-1.0, and p is 0-0.8. Spherical catalyst component and catalyst made from the above spherical magnesium halide adduct and their use in polymerising the alpha-olefins CH2=CHR and their mixture are provided, in which R is hydrogen or C1-C12 alkyl or aryl.
    Type: Application
    Filed: April 6, 2007
    Publication date: April 22, 2010
    Inventors: Xianzhi Xia, Yuexiang Liu, Xinsheng Wang, Tianyi Zhang, Mingzhi Gao, Ping Gao, Suzhen Qiao, Maoping Yin, Ying Chen, Renqi Peng, Jing Ma
  • Patent number: 7683003
    Abstract: A method for identifying a catalyst composition for use in the heterogeneous Ziegler-Natta addition polymerization of an olefin monomer, said catalyst composition comprising a procatalyst comprising a magnesium and titanium containing procatalyst and a cocatalyst said method comprising: a) providing a library comprising at least one procatalyst compound, b) forming a catalyst composition library by contacting the member of said procatalyst library with one or more cocatalysts and contacting the resulting mixture with an olefin monomer under olefin polymerization conditions thereby causing the polymerization reaction to take place, c) measuring at least one variable of interest during the polymerization, and d) selecting the catalyst composition of interest by reference to said measured variable.
    Type: Grant
    Filed: May 13, 2005
    Date of Patent: March 23, 2010
    Assignee: Dow Global Technologies, Inc.
    Inventors: Richard E. Campbell, Jr., Sylvie Desjardins, Phillip D. Hustad, Duane R. Romer
  • Publication number: 20100056736
    Abstract: This invention relates to an improved method for improving the tacticity of Ziegler-Natta catalyst systems and for controlling the behaviour of the active stereospecific sites.
    Type: Application
    Filed: April 4, 2007
    Publication date: March 4, 2010
    Applicants: TOTAL PETROCHEMICALS RESEARCH FELUY, Centre National de la Recherche Scientifique (CNR
    Inventors: David Ribour, Roger Spitz, Jerome Gromada
  • Patent number: 7655590
    Abstract: Catalyst components, methods of forming catalyst compositions, polymerization processes utilizing the catalyst compositions and polymers formed thereby are described herein. The methods generally include providing a magnesium dialkoxide compound, contacting the magnesium dialkoxide compound with a first agent to form a solution of a reaction product “A1”, contacting the solution of reaction product “A1” with a reducing agent to form a reduced reaction product “A2”, contacting reduced reaction product “A2” with a second agent to form a solid reaction product “A3”, contacting solid reaction product “A3” with a metal halide to form reaction product “B” and contacting reaction product “B” with an organoaluminum compound to form a catalyst component.
    Type: Grant
    Filed: December 20, 2007
    Date of Patent: February 2, 2010
    Assignee: Fina Technology, Inc.
    Inventors: Henry Enriquez, Kayo Vizzini, Steven Gray
  • Patent number: 7560521
    Abstract: A catalyst component for the polymerization of olefins comprising a titanium compound, a Mg-dihalide, a difunctional electron donor compound (ED) selected from diesters, diketones, diamines or diethers, and a monofunctional electron donor compound (MD) selected from ethers, esters, amines or ketones, wherein a molar ratio ED/MD is higher than 10.
    Type: Grant
    Filed: August 5, 2005
    Date of Patent: July 14, 2009
    Assignee: Basell Poliolefine Italia S.p.A.
    Inventors: Gianni Collina, Ofelia Fusco, Diego Brita
  • Patent number: 7504352
    Abstract: A catalyst for use in the formation of polypropylene is disclosed that comprises a titanium compound having at least one titanium-halogen bond, supported on an activated, amorphous magnesium dihalide support that is essentially free of alkoxy functionality, with a titanium metal content of no more than about 2 wt %, based on the weight of the support, and an internal donor component.
    Type: Grant
    Filed: May 3, 2002
    Date of Patent: March 17, 2009
    Assignee: Basell Polidefine Italia s.r.l.
    Inventors: Ronald Alan Epstein, William Thomas Wallack
  • Publication number: 20080312389
    Abstract: The invention is directed to a process for the preparation of a catalyst component wherein a compound with formula Mg(OAlk)xCly wherein x is larger than 0 and smaller than 2, y equals 2-x and each Alk, independently represents an alkyl group, is contacted with a titanium tetraalkoxide and/or an alcohol in the presence of an inert dispersant to give an intermediate reaction product and wherein the intermediate reaction product is contacted with titanium tetrachloride in the presence of an internal donor. The invention also relates to a polymerization catalyst comprising the catalyst component and furthermore the invention relates to the polymerization of an olefin in the presence of the polymerization catalyst comprising the catalyst component.
    Type: Application
    Filed: November 11, 2005
    Publication date: December 18, 2008
    Inventors: Yves Johann Elizabeth Ramjoie, Sergei Andreevich Sergeev, Mark Vlaar, Vladimir Aleksandrovich Zakharov, Gennadii Dimitrievich Bukatov
  • Patent number: 7427653
    Abstract: A catalyst component for olefin (co)polymerization, and in particular for the preparation of LLDPE, comprising Mg, Ti, halogen and an electron donor compound (ED) belonging to ethers, esters, amines, ketones, or nitriles, characterized in that the molar ratio Mg/Ti is higher than 5, and the molar ratio ED/Ti is higher than 3.5. The said catalyst components display a homogeneous distribution of the comonomer in and among the copolymer chains.
    Type: Grant
    Filed: November 25, 2003
    Date of Patent: September 23, 2008
    Assignee: Basell Poliolefine Italia S.p.A
    Inventors: Diego Brita, Gianni Collina, Giampiero Morini, Gianni Vitale
  • Patent number: 7390764
    Abstract: This invention provides catalyst compositions that are useful for polymerizing at least one monomer to produce a polymer This invention also provides catalyst compositions that are useful for polymerizing at least one monomer to produce a polymer, wherein said catalyst composition comprises a post-contacted organometal compound, a post-contacted organoaluminum compound, and a post-contacted fluorided silica-alumina.
    Type: Grant
    Filed: December 12, 2005
    Date of Patent: June 24, 2008
    Assignee: Phillips Petroleum Company
    Inventors: Max P. McDaniel, Elizabeth A. Benham, Michael D. Jensen, Joel L. Martin, Gil R. Hawley
  • Publication number: 20080146756
    Abstract: A catalyst component for the polymerization of olefins comprising a titanium compound, a Mg-dihalide, a difunctional electron donor compound (ED) selected from diesters, diketones, diamines or diethers, and a monofunctional electron donor compound (MD) selected from ethers, esters, amines or ketones, wherein a molar ratio ED/MD is higher than 10.
    Type: Application
    Filed: August 5, 2005
    Publication date: June 19, 2008
    Applicant: Basell Poliolefine Italia S.p.A.
    Inventors: Gianni Collina, Ofelia Fusco, Diego Brita
  • Patent number: 7316987
    Abstract: Catalyst component for the polymerization of olefins obtainable by contacting: (i) a magnesium halide, or a suitable precursor; (ii) a monofunctional electron donor compound (MD) selected from ethers, esters, amines or ketones, used in such amounts to have Mg/MD molar ratios of at least 50; (iii) a titanium compound of formula Ti(ORI)n-yXy, where n is the valence of titanium, y is a number between 1 and n, X is halogen, and RI is a C1-C15 hydrocarbon group and, optionally, (iv) an electron donor compound (ED). The said catalyst component shows improved activity in the polymerization of olefins.
    Type: Grant
    Filed: June 24, 2002
    Date of Patent: January 8, 2008
    Assignee: Basell Poliolefine Italia S.p.A.
    Inventors: Gianni Collina, Ofelia Fusco, Diego Brita
  • Patent number: 7271119
    Abstract: Process for preparing an olefin polymerisation catalyst component in the form of particles having a predetermined size range, said process comprising the steps of a) preparing a solution of a complex of a Group 2 metal and an electron donor by reacting a compound of said metal with said electron donor or a precursor thereof in an organic liquid reaction medium; b) adding said solution of said complex to at least one compound of a transition material to produce an emulsion, the dispersed phase of which contains more than 50 mol % of the Group 2 metal in said complex; c) agitating the emulsion, optionally in the presence of an emulsion stabilizer, in order to maintain the droplets of said dispersed phase within the average size range 5 to 200 m; d) solidifying said droplets of the dispersed phase; and e) recovering the solidified particles of the olefin polymerisation catalyst component, wherein a turbulence minimizing agent (TMA) is added to the reaction mixture before solidifying said droplets of the disperse
    Type: Grant
    Filed: June 18, 2002
    Date of Patent: September 18, 2007
    Assignee: Borealis Technology Oy
    Inventors: Peter Denifl, Timo Leinonen
  • Patent number: 7271120
    Abstract: A catalyst for the preparation of dimethyl carbonate from urea and methanol having a composition on weight base of: active component of from 20 to 50 wt %, and carrier of from 80 to 50 wt %, and prepared by equal-volume spraying and impregnating method is disclosed. The method for the synthesis of dimethyl carbonate can be carried out in a catalytic rectification reactor, said method comprising: (1) dissolving urea in methanol to form a methanol solution of urea; and (2) feeding the methanol solution of urea and methanol counter-currently into the reaction zone, wherein the reaction is carried out at conditions including reaction temperature of from 120° C. to 250° C., reaction pressure of from 0.1 MPa to 5 MPa, kettle bottom temperature of from 70° C. to 210° C., stripping section temperature of from 70° C. to 250° C., rectifying section temperature of from 70° C. to 280° C., and reflux ratio of from 1:1 to 20:1.
    Type: Grant
    Filed: August 22, 2005
    Date of Patent: September 18, 2007
    Assignees: Institute of Coal Chemistry, Chinese Academy of Sciences, Feicheng Acid Chemicals Co., Ltd.
    Inventors: Yuhan Sun, Wei Wei, Ning Zhao, Baoyuan Sun, Bingsheng Zhang, Yanjun Chen
  • Patent number: 7256151
    Abstract: A solid catalyst component for ?-olefin polymerization, which comprises a titanium atom, a magnesium atom, a halogen atom, a phthalic acid ester compound, and a 1,3-diether compound, wherein an amount of the 1,3-diether compound contained in the solid catalyst component is 0.1 to 3 mol per one mol of the phthalic acid ester compound contained therein; a process for producing a catalyst for ?-olefin polymerization, which comprises the step of contacting at least the above solid catalyst component, an organoaluminum compound, and an external electron donor compound with one another; and a process for producing an ?-olefin polymer, which comprises the step of homopolymerizing or copolymerizing an ?-olefin in the presence of a catalyst produced by the above process.
    Type: Grant
    Filed: April 20, 2005
    Date of Patent: August 14, 2007
    Assignee: Sumitomo Chemical Company Limited
    Inventor: Shin-ichi Kumamoto
  • Patent number: 7256150
    Abstract: A process for producing a Gp 2/transition metal olefin polymerisation catalyst component, in which a Gp 2 complex is reacted with a transition metal compound so as to produce an oil-in-oil emulsion, the disperse phase containing the preponderance of the Gp 2 metal being selectively sorbed on a carrier to provide a catalyst component of excellent morphology. Polymerisation of olefins using a catalyst containing such a component is also disclosed.
    Type: Grant
    Filed: June 18, 2002
    Date of Patent: August 14, 2007
    Assignee: Borealis Polymers Oy
    Inventors: Peter Denifl, Timo Leinonen
  • Patent number: 7220696
    Abstract: Disclosed is a catalyst for olefin polymerization comprising [I] a solid titanium catalyst component [S] comprising titanium, magnesium, halogen and an electron donor (b), which is obtained by bringing a solid adduct consisting of a magnesium compound and an electron donor (a) into contact with an electron donor (b) and a liquid titanium compound by at least one method selected from (A) a method of contacting the materials in a suspended state in the coexistence of an inert hydrocarbon solvent and (B) a method of contacting the material plural times individed portions and [II] an organometallic compound catalyst component [M] containing a metal selected from the groups I to III in the periodic table.
    Type: Grant
    Filed: April 3, 2003
    Date of Patent: May 22, 2007
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Kazuhisa Matsunaga, Masao Nagano, Masaaki Ohgizawa, Toshiyuki Tsutsui
  • Patent number: 7211534
    Abstract: A magnesium halide support material for a polyolefin catalysts is disclosed. The magnesium halide of present invention is prepared by reacting magnesium with an alkylhalide in a non-polar hydrocarbon solvent. Preparation of the support does not require the use electron donating solvents and therefore does not require extensive washing to remove the solvent from the support.
    Type: Grant
    Filed: February 12, 2003
    Date of Patent: May 1, 2007
    Assignee: Formosa Plastics Corporation, U.S.A.
    Inventors: Honglan Lu, Gapgoung Kong, Zhongyang Liu, Chih-Jian Chen
  • Patent number: 7199201
    Abstract: The neodymium catalyst system prepared by the technique of this invention can be used in the polymerization of isoprene monomer into synthetic polyisoprene rubber having an extremely high cis-microstructure content and high stereo regularity. This polyisoprene rubber will crystallize under strain and can be compounded into rubber formulations in a manner similar to natural rubber. This invention more specifically discloses a process for the synthesis of polyisoprene rubber which comprises polymerizing isoprene monomer in the presence of a neodymium catalyst system, wherein the neodymium catalyst system is prepared by a process that comprises (1) reacting a neodymium carboxylate with an organoaluminum compound in an organic solvent to produce neodymium-aluminum catalyst component, and (2) subsequently reacting the neodymium-aluminum catalyst component with an elemental halogen to produce the neodymium catalyst system, wherein the neodymium catalyst system is void of nickel-containing compounds.
    Type: Grant
    Filed: November 23, 2005
    Date of Patent: April 3, 2007
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Adel Farhan Halasa, Wen-Liang Hsu, Aaron Michael Ryba, Jin-Ping Zhou, Chad Aaron Jasiunas, Paul Harry Sandstrom
  • Patent number: 7109142
    Abstract: This invention concerns a solid catalyst component for olefin polymerization and the process for obtaining the catalyst component having titanium, halogen, magnesium, an organic acid ester and a relative surface area of 0.1–15 m2/g as measured according to a BET method and wherein the organic acid ester is contained in the solid catalyst component in an amount of 11% by weight or more.
    Type: Grant
    Filed: March 7, 2005
    Date of Patent: September 19, 2006
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Shin-ichi Kumamoto, Makoto Satoh, Hideki Ohshima
  • Patent number: 7109277
    Abstract: A process to produce a polymer is provided. The process comprising contacting a treated solid oxide compound, an organometal compound, and an organoaluminum compound in the presence of an alpha olefin under polymerization conditions to produce the polymer.
    Type: Grant
    Filed: September 26, 2003
    Date of Patent: September 19, 2006
    Assignee: Phillips Petroleum Company
    Inventors: Gil R. Hawley, Max P. McDaniel, Christopher E. Wittner, Michael D. Jensen, Joel L. Martin, Elizabeth A. Benham, Anthony P. Eaton, Kathy S. Collins
  • Patent number: 7091150
    Abstract: The neodymium catalyst system prepared by the technique of this invention can be used in the polymerization of isoprene monomer into synthetic polyisoprene rubber having an extremely high cis-microstructure content and high stereo regularity. This polyisoprene rubber will crystallize under strain and can be compounded into rubber formulations in a manner similar to natural rubber. This invention more specifically discloses a process for preparing a neodymium catalyst system which comprises (1) reacting a neodymium carboxylate with an organoaluminum compound in an organic solvent to produce neodymium-aluminum catalyst component, and (2) subsequently reacting the neodymium-aluminum catalyst component with an elemental halogen to produce the neodymium catalyst system. The present invention further discloses a synthetic polyisoprene rubber which is comprised of repeat units that are derived from isoprene, wherein the synthetic polyisoprene rubber has a cis-microstructure content which is within the range of 98.
    Type: Grant
    Filed: September 16, 2004
    Date of Patent: August 15, 2006
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Adel Farhan Halasa, Wen-Liang Hsu, Aaron Michael Ryba, Jin-Ping Zhou, Chad Aaron Jasiunas, Paul Harry Sandstrom
  • Patent number: 7074736
    Abstract: A hydrozirconated matrix for the production of polyolefins is disclosed. The hydrozirconated matrix is prepared from the reaction of an organozirconium composition and an olefin based material. A process is described for using the hydrozirconated matrix to prepare a range of polyolefin products.
    Type: Grant
    Filed: October 9, 2001
    Date of Patent: July 11, 2006
    Assignee: Rohm and Haas Company
    Inventors: Eric Gustave Lundquist, Jennifer Annette Reichl, James Charles Bohling
  • Patent number: 7026265
    Abstract: Process for the preparation of a particular olefin polymerisation catalyst component including magnesium dihalide, titanium tetrahalide and a carboxylic acid ester, in which the precursors of its constituents are reacted in solution from which the component is precipitated, this precipitation being accompanied by co-precipitation of one or more oligoesters of the carboxylic acid formed in a controlled manner.
    Type: Grant
    Filed: October 18, 2001
    Date of Patent: April 11, 2006
    Assignee: Borealis Technology Oy
    Inventors: Timo Leinonen, Peter Denifl
  • Patent number: 7022793
    Abstract: A process for the preparation of heterophasic elastomeric polymer comprising the step of polymerizing ethylene, an alpha-olefin CH2?CHL, where L is an alkyl, cycloalkyl or aryl radical with 1–10 carbon atoms and a non-conjugated diene in the presence of a catalyst system comprising a transition metal catalyst component supported on a porous alpha-olefin polymer, characterized in that at least part of the diene is impregnated on the porous alpha-olefin polymer.
    Type: Grant
    Filed: November 22, 2002
    Date of Patent: April 4, 2006
    Assignee: Basell Polyolefine GmbH
    Inventors: Maurizio Galimberti, Angelo Ferraro, Giovanni Baruzzi, Ofelia Fusco
  • Patent number: 7022795
    Abstract: Propylene homopolymers, wherein, in their separation according to tacticity by first dissolving the polymers in boiling xylene, then cooling the solution to 25° C. at a cooling rate of 10° C./h and then, with ascending temperature, separating the propylene homopolymers into fractions of different tacticity, either one or more of the conditions that i) the fraction of propylene homopolymers which remains undissolved on heating the cooled propylene homopolymer solution to 112° C. is greater than 20% by weight or ii) the fraction of propylene homopolymers which remains undissolved on heating the cooled propylene homopolymer solution to 117° C. is greater than 8% by weight or iii) the fraction of propylene homopolymers which remains undissolved on heating the cooled propylene homopolymer solution to 122° C. is greater than 1% by weight, are satisfied.
    Type: Grant
    Filed: March 13, 1998
    Date of Patent: April 4, 2006
    Assignee: Novolen Technology Holdings, C.V.
    Inventors: Stephan Hüffer, Joachim Rösch, Stefan Seelert, Franz Langhauser, Dieter Lilge, Roland Hingmann, Günther Schweier
  • Patent number: 7015169
    Abstract: The present invention relates to catalyst systems of the Ziegler-Natta type, to a process for preparing them, to their use for the polymerization of olefins and to ethylene copolymers which can be prepared using this catalyst system.
    Type: Grant
    Filed: December 10, 2002
    Date of Patent: March 21, 2006
    Assignee: BASF Aktiengesellschaft
    Inventors: Klaus Föttinger, Martin Schneider, Rainer Karer