Contains Non-transition Elemental Metal, Hydride Thereof, Or Carbon To Non-transition Metal Atom Bond Patents (Class 526/121)
  • Publication number: 20140142261
    Abstract: A homogenous toluene free catalyst system for producing a polyolefin elastomer possessing a unique combination of properties employing a particular type of a metallocene catalyst. Also disclosed is a co-catalyst for activating the metallocene pro-catalyst employing a specific molar ratio of the components of the co-catalyst to the metal of the pro-catalyst.
    Type: Application
    Filed: November 15, 2013
    Publication date: May 22, 2014
    Applicant: LION COPOLYMER, INC
    Inventor: Willie Charles Burton
  • Publication number: 20100324238
    Abstract: A terpolymer of 1-butene, ethylene and a at least a C8-C12 alpha-olefin derived units, containing from 0.1% to 5% by mole of ethylene derived units and from 1 from 20% by mol of C8-C12 alpha-olefin derived units, endowed with the following properties: i) isotactic pentad mmmm higher than or equal to 90%; pentads (mmrr+mrrm) lower than 4 and pentad rmmr not detectable by 13C NMR. ii) intrinsic viscosity (IV) measured in tetrahydronaphthalene at 135° C. comprised between 0.8 and 5.0 dL/g; iii) the melting point measured by DSC (TmI) and the C8-C12 alpha-olefin content fulfil the following relationship: TmI<130×C?0.3 wherein C is the molar content of C8-C12 alpha-olefin derived units and TmI is the highest melting peak in the first melting transition measured by DSC otherwise the melting point TmI is not detectable.
    Type: Application
    Filed: February 27, 2009
    Publication date: December 23, 2010
    Applicant: Basell Poliolefine Italia s.r.l
    Inventors: Luigi Resconi, Davide Balboni, Simona Esposito
  • Publication number: 20090208681
    Abstract: A polypropylene with a low amount of impurities, in particular a low amount of aluminum and boron residues.
    Type: Application
    Filed: July 10, 2006
    Publication date: August 20, 2009
    Inventors: Eberhard Ernst, Petri Lehmus, Michael Bartke, Lauri Huhtanen
  • Patent number: 7241847
    Abstract: A process for producing a cycloolefin addition polymer in which one or more cycloolefin monomers can be (co)polymerized by addition polymerization with a small palladium catalyst amount to produce a cycloolefin addition (co)polymer while attaining high catalytic activity. The process for cycloolefin addition polymer production is characterized by addition-polymerizing one or more cycloolefin monomers comprising a cycloolefin compound represented by a specific formula in the presence of a multi-component catalyst comprising (a) a palladium compound and (b) a specific phosphorus compound.
    Type: Grant
    Filed: August 4, 2004
    Date of Patent: July 10, 2007
    Assignee: JSR Corporation
    Inventors: Noboru Oshima, Michitaka Kaizu, Satoshi Ebata, Takashi Imamura
  • Patent number: 7202316
    Abstract: A modified particle obtained by a process containing contacting a Bi compound, a compound having an electron-withdrawing group and an active hydrogen and particle; and a catalyst component for addition polymerization containing the modified particle; a catalyst for addition polymerization prepared by a process containing contacting the modified particle (A) and a transition metal compound of Groups 3 to 11 or lantanide series (B); and a catalyst for addition polymerization prepared by a process containing contacting the modified particle (A) and a transition metal compound of Groups 3 to 11 or lantanide series (B) and an orbanoaluminum compound (C); and a process for producing an addition polymer with the catalyst.
    Type: Grant
    Filed: September 22, 2003
    Date of Patent: April 10, 2007
    Assignee: Sumitomo Chemical Company, Limited
    Inventor: Kazuo Takaoki
  • Patent number: 7064096
    Abstract: Bimodal polyolefins having a reverse or partial reversed comonomer incorporation may be prepared in the presence of a dual catalyst on the same support wherein each catalyst has a different response to temperature, ethylene partial pressures, partial pressure of non-polymerizable hydrocarbons present in the reaction mixture and hydrogen partial pressure.
    Type: Grant
    Filed: December 7, 2004
    Date of Patent: June 20, 2006
    Assignee: Nova Chemicals (International) SA
    Inventors: Peter Phung Minh Hoang, Cliff Robert Baar, Peter Zoricak, Gail Baxter
  • Patent number: 6833464
    Abstract: A composition of matter comprising a compound having the general formula: [CpM(ArF)Y]p wherein Cp is a substituted or unsubstituted cyclopentadienyl ligand or cyclopentadienyl-type bulky ligand characterized by one or more open, acylic or fused ring systems comprised of atoms selected from Groups 13-16 of the Periodic Table of Elements and wherein the ligands can include a heteroatom; M is a metal selected from Groups 3-9 of the Periodic Table of Elements; ArF is a fluorinated aryl group; Y is a hydrocarbyl group that can contain a heteroatom; and p is 1 or 2. The invention also contemplates a method of producing the compound and its use in the oligomerization and polymerization of alpha olefins.
    Type: Grant
    Filed: May 14, 2003
    Date of Patent: December 21, 2004
    Assignee: The Texas A&M University System
    Inventors: Francois Gabbai, Mani Ganesan, Dave S. Pope, Jimmy D. Brown, Donald L. Wharry, Paul K. Hurlburt
  • Patent number: 6800701
    Abstract: Compounds and metal complexes comprising a polycyclic, fused ring ligand or inertly substituted derivative thereof having up to 60 atoms other than hydrogen, said ligand comprising at least: (1) a cyclopentadienyl ring, (2) a 6, 7, or 8 membered ring other than a 6-carbon aromatic ring, and (3) an aromatic ring, with the proviso that said 6, 7, or 8 membered ring (2), is fused to both the cyclopentadienyl ring (1), and the aromatic ring (3), polymerization catalysts, a process to prepare the novel compounds and complexes, and olefin polymerization processes using the same are disclosed.
    Type: Grant
    Filed: May 13, 2003
    Date of Patent: October 5, 2004
    Assignee: Dow Global Technologies Inc.
    Inventors: Richard E. Campbell, Jr., Jerzy Klosin, Ravi B. Shankar, Francis J. Timmers, Robert K. Rosen
  • Patent number: 6759492
    Abstract: A novel continuous gas phase polymerization process for producing polyethylene and interpolymers of ethylene and at least one other olefin is provided wherein a non-aromatic halogenated hydrocarbon(s) is used in a specified amount such that the activity of the titanium, zirconium and/or hafnium containing Ziegler-Natta catalyst is increased.
    Type: Grant
    Filed: October 24, 2002
    Date of Patent: July 6, 2004
    Assignee: Eastman Chemical Company
    Inventors: Don Kent Farrer, Kenneth Alan Dooley, Glenn Edward Moore, Larry Allen Noble
  • Patent number: 6726906
    Abstract: The present invention relates to a method for treating obesity, a method for reducing the absorption of dietary fat, and a method for treating hypertriglyceridemia in a patient and to particular polymers for use in the methods or in a manufacture of a medicament. The methods comprise the step of orally administering to a mammal, such as a human, a therapeutically effective amount of one or more fat-binding polymers. The administration of the fat-binding polymer of the invention facilitates the removal of fat from the body prior to digestion, with minimal side effects and low toxicity. In a preferred embodiment, the one or more fat-binding polymers are administered in combination with one or more lipase inhibitors, for example, lipstatin and tetrahydrolipstatin.
    Type: Grant
    Filed: November 22, 2000
    Date of Patent: April 27, 2004
    Assignee: Genzyme Corporation
    Inventors: Thomas Jozefiak, Stephen Randall Holmes-Farley, W. Harry Mandeville, III, Chad Cori Huval, Venkata R. Garigapati, Keith K. Shackett, Danny Concagh
  • Publication number: 20030100688
    Abstract: A novel continuous gas phase polymerization process for producing polyethylene and interpolymers of ethylene and at least one other olefin is provided wherein a non-aromatic halogenated hydrocarbon(s) is used in a specified amount such that the activity of the titanium, zirconium and/or hafnium containing Ziegler-Natta catalyst is increased.
    Type: Application
    Filed: October 24, 2002
    Publication date: May 29, 2003
    Inventors: Don Kent Farrer, Kenneth Alan Dooley, Glenn Edward Moore, Larry Allen Noble
  • Patent number: 6559253
    Abstract: The invention is directed to olefin polymerization processes using bridged hafnocene catalyst complexes comprising highly substituted noncoordinating anions that are surprisingly stable under high temperature olefin polymerization processes such that olefin copolymers having significant amount of incorporated comonomer can be prepared with high molecular weights. More specifically, the invention is a polymerization process for ethylene copolymers having a melt index of about 0.87 to about 0.930 comprising contacting, under homogeneous polymerization conditions at a reaction temperature at or above 140° C. to 225° C.
    Type: Grant
    Filed: July 10, 2001
    Date of Patent: May 6, 2003
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Donna J. Crowther, Bernard J. Folie, John F. Walzer, Jr., Rinaldo S. Schiffino
  • Patent number: 6518384
    Abstract: Ethylene and/or propylene are polymerized to form highly branched, liquid polymers by contacting ethylene and/or propylene monomer, in the presence of an inert reaction medium, with a catalyst system which comprises (1) an alkyl aluminum component, (2) an aluminum or gallium trihalide component, and, optionally, (3) a Group 4 metallocene dihalide component.
    Type: Grant
    Filed: November 1, 2000
    Date of Patent: February 11, 2003
    Inventors: Ayusman Sen, Louis M. Wojcinski, II, Shahid Murtuza
  • Publication number: 20030027952
    Abstract: A novel continuous gas phase polymerization process for producing polyethylene and interpolymers of ethylene and at least one other olefin is provided wherein a non-aromatic halogenated hydrocarbon is used in a specified amount such that the activity of the titanium, zirconium and/or hafnium containing Ziegler-Natta catalyst is increased.
    Type: Application
    Filed: July 24, 2001
    Publication date: February 6, 2003
    Inventors: Don Kent Farrer, Kenneth Alan Dooley, Glenn Edward Moore, Larry Allen Noble
  • Publication number: 20030027951
    Abstract: A novel continuous gas phase polymerization process for producing polyethylene and interpolymers of ethylene and at least one other olefin is provided wherein chloroform is used in a specified amount such that the activity of the titanium containing Ziegler-Natta catalyst is increased.
    Type: Application
    Filed: July 24, 2001
    Publication date: February 6, 2003
    Inventors: Don Kent Farrer, Kenneth Alan Dooley, Glenn Edward Moore, Larry Allen Noble
  • Publication number: 20030027953
    Abstract: A novel continuous gas phase polymerization process for producing polyethylene and interpolymers of ethylene and at least one other olefin is provided wherein a saturated halogenated hydrocarbon is used in a specified amount such that the activity of the titanium containing Ziegler-Natta catalyst is increased.
    Type: Application
    Filed: July 24, 2001
    Publication date: February 6, 2003
    Inventors: Don Kent Farrer, Kenneth Alan Dooley, Glenn Edward Moore, Larry Allen Noble
  • Publication number: 20020055587
    Abstract: Adhesive compositions comprising (a) adhesive polymers or copolymers prepared from monomers selected from the group consisting of styrene, butadiene, acrylonitrile, ethylene, vinyl acetate, acrylic acid, esters of acrylic acid, methacrylic acid and esters of methacrylic acid or combinations thereof; and (b) from 1 to 55% on a dry weight basis of a polymeric additive comprising a low molecular weight polymer having a number average molecular weight of 20,000 or less and which comprises polymerized units of at least one ethylenically unsaturated monomer and 5 weight percent or less of a polymerized acid-containing monomer. In preferred form, the polymeric additive is polymerized in the presence of a metal chelate chain transfer agent. In certain embodiments, the polymeric additive has a midpoint Tg of at least 0° C. or greater. Further embodiments of the present invention include methods for forming the polymeric additive in situ in the adhesive composition.
    Type: Application
    Filed: September 12, 2001
    Publication date: May 9, 2002
    Inventors: Willie Lau, Kim Sang Ho, Paul Ralph Van Rheenen
  • Patent number: 6310150
    Abstract: Supported heterometallocene catalysts wherein the support is a particulate polymeric material are provided. The catalysts have a transition metal complex containing at least one anionic, polymerization stable heteroatomic ligand associated with the transition metal and a boron activator compound deposited on the support. Polymeric supports used for the heterometallocene catalysts of the invention are homopolymers of ethylene and copolymers of ethylene and C3-8 &agr;-olefins.
    Type: Grant
    Filed: June 12, 2001
    Date of Patent: October 30, 2001
    Assignee: Equistar Chemicals, L.P.
    Inventors: Karen E. Meyer, Mark K. Reinking
  • Publication number: 20010023281
    Abstract: A catalytic composition is obtained by mixing at least one chromium compound with at least one aryloxy compound of an element M selected from the group formed by magnesium, calcium, strontium and barium, with general formula M(RO)2-nXn, where RO is an aryloxy radical containing 6 to 80 carbon atoms, X is a halogen or a hydrocarbyl radical containing 1 to 30 carbon atoms and n is a whole number that can take values of 0 to 2, and with at least one aluminum compound selected from hydrocarbylaluminum compounds (tris(hydrocarbyl)-aluminum, chlorinated or brominated hydrocarbylaluminum compounds) and aluminoxanes. The catalytic composition can be used in an ethylene oligomerization process, in particular to produce 1-hexene.
    Type: Application
    Filed: December 26, 2000
    Publication date: September 20, 2001
    Inventors: Dominique Commereuc, Sebastien Drochon, Lucien Saussine
  • Patent number: 6291609
    Abstract: The invention is directed to olefin polymerization processes using bridged hafnocene catalyst complexes comprising highly substituted noncoordinating anions that are surprisingly stable under high temperature olefin polymerization processes such that olefin copolymers having significant amount of incorporated comonomer can be prepared with high molecular weights. More specifically, the invention is a polymerization process for ethylene copolymers having a melt index of about 0.87 to about 0.930 comprising contacting, under homogeneous polymerization conditions at a reaction temperature at or above 140° C. to 225° C.
    Type: Grant
    Filed: March 3, 1999
    Date of Patent: September 18, 2001
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Donna J. Crowther, Bernard J. Folie, John F. Walzer, Jr., Rinaldo S. Schiffino
  • Patent number: 5886202
    Abstract: Bridged fluorenyl/indenyl metallocenes having substituents at the 3 position of the indenyl and the use thereof in the polymerization of olefins are disclosed. Also a new method for preparing bridged fluorenyl/indenyl ligands wherein the indenyl has a substituent in the 3 position and the preparation of metallocenes with such ligands.
    Type: Grant
    Filed: September 12, 1997
    Date of Patent: March 23, 1999
    Inventors: Michael Jung, Helmut G. Alt, M. Bruce Welch
  • Patent number: 5869584
    Abstract: A highly effective catalyst system for the polymerization of olefins comprises a cocatalyst, preferably an aluminoxane, and a metallocene of the formula I ##STR1## in which, preferably M.sup.1 is Zr or Hf, R.sup.1 and R.sup.2 are alkyl or halogen, R.sup.5 is hydrogen or alkyl, R.sup.3 and R.sup.4 are alkyl, where R.sup.3, R.sup.4 and R.sup.5 may be halogenated, --(CR.sup.7 R.sup.8).sub.m --R.sup.6 --(CR.sup.7 R.sup.8).sub.n -- is a single- or multi-membered chain in which R.sup.6 may also be a (substituted) heteroatom, and m+n is zero or 1.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: February 9, 1999
    Assignee: Targor GmbH
    Inventors: Andreas Winter, Frank Kueber, Walter Spaleck, Herbert Riepl, Wolfgang Anton Herrmann, Volker Dolle, Juergen Rohrmann
  • Patent number: 5491205
    Abstract: Polymers of C.sub.2 -C.sub.10 -alk-1-enes are prepared at from 0.5 to 3000 bar and from -50.degree. to 300.degree. C. using a catalyst system by a process in which the catalyst system used is one which contains, as active components:a) a metallocene complex of the general formula I ##STR1## where M is titanium, zirconium, hafnium, vanadium, niobium or tantalum,X is fluorine, chlorine, bromine, iodine, hydrogen, C.sub.1 -C.sub.10 -alkyl, C.sub.6 -C.sub.15 -aryl or --OR.sup.7,R.sup.7 is C.sub.1 -C.sub.10 -alkyl, C.sub.6 -C.sub.15 -aryl, alkylaryl, arylalkyl, fluoroalkyl or fluoraryl, where each alkyl radical is of 1 to 10 carbon atoms and each aryl radical is of 6 to 20 carbon atoms,R.sup.1 to R.sup.6 are each hydrogen, C.sub.1 -C.sub.10 -alkyl, 5-membered to 7-membered cycloalkyl, which in turn may carry C.sub.1 -C.sub.10 -alkyl radicals as substituents, C.sub.6 -C.sub.15 -aryl or arylalkyl, where two adjacent radicals together may furthermore be a cyclic group of 4 to 15, carbon atoms, or Si(R.sup.8).sub.3R.
    Type: Grant
    Filed: October 28, 1994
    Date of Patent: February 13, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Franz Langhauser, Jurgen Kerth, Gunther Schweier, Hans-Herbert Brintzinger, Stefan Mansel, Werner Roell, Robin Kirsten
  • Patent number: 5461128
    Abstract: There are disclosed a catalyst which comprises (A) a titanium compound having one .pi. electron-based ligand (e.g. pentamethylcyclopentadienyl group) or two same .pi. electron-based lignads and (B) an ionic compound comprising a non-coordinate anion and a cation of an element typifying the group 4 elements of the Periodic Table (e.g. triphenylcarbonium tetra(pentafluorophenyl)borate; a catalyst comprising (C) an alkylating agent (e.g. triisobutylaluminum) in addition to the components (A) and (B); and a process for producing a styrenic polymer by the use of any of the aforesaid catalysts. By using the aforementioned catalyst and process, a highly syndiotactic styrenic polymer can be efficiently produced.
    Type: Grant
    Filed: January 4, 1993
    Date of Patent: October 24, 1995
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Mizutomo Takeuchi, Norio Tomotsu
  • Patent number: 5451645
    Abstract: Novel chromium-containing compounds are prepared by forming a mixture of a chromium salt, a metal amide, and an ether. These novel chromium-containing, or chromium pyrrolide, compounds, with a metal alkyl and an unsaturated hydrocarbon, can be used as a cocatalyst system in the presence of an olefin polymerization catalyst system to produce a comonomer in-situ. The resultant polymer, although produced from predominately one monomer, has characteristics of a copolymer.
    Type: Grant
    Filed: August 20, 1993
    Date of Patent: September 19, 1995
    Assignee: Phillips Petroleum Company
    Inventors: William K. Reagen, Ted M. Pettijohn, Jeffrey W. Freeman, Elizabeth A. Benham
  • Patent number: 5416179
    Abstract: A process for the polymerization of mono-1-olefins employing a catalyst composition comprising a metallocene compound and isobutene. The catalyst composition exhibits improved productivity. In a preferred embodiment an aluminoxane is employed as a cocatalyst.
    Type: Grant
    Filed: March 16, 1994
    Date of Patent: May 16, 1995
    Assignee: Phillips Petroleum Company
    Inventors: M. Bruce Welch, Paul Barbee
  • Patent number: 5405817
    Abstract: Catalysts useful in olefin polymerization are a mixture of (a) a titanium-containing compound which is (i) Ti(Z.sup.1).sub.t (OZ.sup.2).sub.p-t, (ii) the product of reacting Z.sup.3 --Mg--N(--Z.sup.5)--Si(Z.sup.4).sub.3 or Z.sup.3 --Mg--N(--Z.sup.5)--Si(Z.sup.4).sub.2 --N(--Z.sup.5)--Mg--Z.sup.3 with Ti(Z.sup.1).sub.t (OZ.sup.2).sub.p-t, or (iii) the product of reacting Mg metal, Mg dihalide and Ti(OZ.sup.2).sub.4, wherein Z.sup.1 is halide, Z.sup.2 is C.sub.1-18 hydrocarbyl, p is 3-4, t is 0-p, and Z.sup.3, Z.sup.4 and Z.sup.5 can be C.sub.1-18 alkyl or C.sub.6-14 aryl, and Z.sup.4 can be hydrogen, and Z.sup.5 can be --Si(Z.sup.4).sub.3 ; (b) one or more of V(X.sup.2).sub.c (OR.sup.2).sub.b-c, VO(X.sup.3).sub.d (OR.sup.3).sub.3-d, or VO(X.sup.4).sub.2, wherein X.sup.2, X.sup.3 and X.sup. 4 are halogen, R.sup.2 and R.sup.3 are C.sub.1-18 hydrocarbyl, b is 3-4, c is 0-b, and d is 0-3; and (c) Zn(X.sup.1).sub.2.2Al(R.sup.1).sub.3 and/or both of Zn(X.sup.1).sub.2 and one or more of M(R.sup.5).sub.e (X.sup.5).
    Type: Grant
    Filed: February 12, 1993
    Date of Patent: April 11, 1995
    Assignee: Quantum Chemical Corporation
    Inventors: Chi-I Kuo, Michael W. Lynch
  • Patent number: 5399540
    Abstract: A catalyst useful in the polymerization of olefins, especially ethylene, is disclosed. The catalyst is obtained by admixing a zinc composition, a zirconium composition and a vanadium composition. The catalyst may be combined with a co-catalyst and, optionally, a modifier to yield an olefin polymerization system. The catalyst exhibits extremely high activity, good hydrogen response and produces polymers having broad molecular weight distribution ("MWD") and manifesting bimodal MWD profile.
    Type: Grant
    Filed: February 12, 1993
    Date of Patent: March 21, 1995
    Assignee: Quantum Chemical Corporation
    Inventors: Chi-I Kuo, Michael W. Lynch
  • Patent number: 5037908
    Abstract: An improved process for polymerizing butene-1 in the presence of a polymerization catalyst composed of (a) a catalyst component containing titanium and halogen as essential constituents and (b) an organometallic compound, wherein the improvement comprises bringing said catalyst component into contact with an activity inhibitor when said catalyst component is activated or after said catalyst component has been activated with said organometallic compound, and subsequently polymerizing butene-1.
    Type: Grant
    Filed: December 19, 1985
    Date of Patent: August 6, 1991
    Assignee: Toa Nenryo Kogyo K.K.
    Inventors: Mamoru Tachikawa, Satoshi Ueki, Masato Sakuma, Makoto Miyazaki
  • Patent number: 4849483
    Abstract: A process for producing a catalyst component for polymerization of olefins which comprises contacting (a) a metal oxide with (b) a magnesium alkoxide, contacting the resulting contact product with (c) a halogen-containing compound, and finally contacting the resulting contact product with (d) a titanium compound.
    Type: Grant
    Filed: April 16, 1987
    Date of Patent: July 18, 1989
    Assignee: Toa Nenryo Kogyo K.K.
    Inventors: Mamoru Tachikawa, Masato Sakuma, Satoshi Ueki, Chihiro Imai, Tokuo Makishima
  • Patent number: 4716205
    Abstract: Preparation of polyethylene in the presence of selected nickel-containing catalysts.
    Type: Grant
    Filed: October 15, 1985
    Date of Patent: December 29, 1987
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Ulrich Klabunde
  • Patent number: 4686199
    Abstract: A process for producing a catalyst component for polymerization of olefins which comprises contacting (a) a metal oxide with (b) a magnesium alkoxide, contacting the resulting contact product with (c) a halogen-containing compound, and finally contacting the resulting contact product with (d) a titanium compound.
    Type: Grant
    Filed: November 27, 1985
    Date of Patent: August 11, 1987
    Assignee: Toa Nenryo Kogyo Kabushiki Kaisha
    Inventors: Mamoru Tachikawa, Masato Sakuma, Satoshi Ueki, Chihiro Imai, Tokuo Makishima
  • Patent number: 4678767
    Abstract: A process for producing a catalyst component for polymerization of olefins which comprises contacting (a) a metal oxide with (b) an organomagnesium compound represented by the formula RMgR' wherein R denotes a hydrocarbyl group and R' denotes a hydrocarbyl group or a halogen atom, contacting the resulting contacting product with (c) carbon dioxide, and further contacting the resulting contact product with (d) a titanium compound. Optionally, the carbon dioxide contacted product can be treated with the halogen-containing compound prior to contact with the titanium compound.
    Type: Grant
    Filed: November 27, 1985
    Date of Patent: July 7, 1987
    Assignee: Toa Nenryo Kogyo Kabushiki Kaisha
    Inventors: Mamoru Tachikawa, Satoshi Ueki, Masato Sakuma, Chihiro Imai, Tokuo Makishima
  • Patent number: 4663403
    Abstract: A first reactant selected from arylsilanol, hydrocarbyl amine, hydrocarbylphosphine oxide, and hydrocarbyloxyphosphite is combined with a second reactant selected from halogenated transition metal compound and an organometal compound to form a product which is catalytically active for olefin polymerization after optionally first having been deposited on a particulate diluent.
    Type: Grant
    Filed: September 19, 1984
    Date of Patent: May 5, 1987
    Assignee: Phillips Petroleum Company
    Inventor: Max P. McDaniel
  • Patent number: 4613655
    Abstract: New catalysts for the polymerization of olefins and more particularly of ethylene and mixtures thereof with higher alpha-olefins and/or diolefins, are disclosed. The catalysts are prepared by mixing (a) a hydride or an organo-metallic compound of a metal belonging to Groups I, II or III of the Mendelyeev Periodic Table with (b) the product obtained by contacting a titanium compound (1) with a mixture of an anhydrous magnesium halide (2) in a particular active form and an anhydrous compound of a metal belonging to Group I or II of said Periodic Table, (3). In the particular active form to which it is converted, during or prior to the contacting the anhydrous magnesium halide is characterized in that, in its X-ray spectrum, the diffraction line which is most intense in the X-ray spectrum of the normal, inactive magnesium halide shows a decreased intensity, and/or the active magnesium halide has a surface area greater than 3 m.sup.2 /g.
    Type: Grant
    Filed: January 15, 1981
    Date of Patent: September 23, 1986
    Assignee: Montedison S.p.A.
    Inventors: Paolo Longi, Umberto Giannini, Romano Mazzocchi, Domenico Deluca
  • Patent number: 4518752
    Abstract: A process for the homopolymerization or copolymerization of olefins is disclosed, which is carried out in the presence of an improved catalyst comprising a solid catalyst component and an organometal compound, said solid catalyst component being obtained by the reaction of: (a) a magnesium halide, (b) a compound represented by the formula: Me(OR).sub.n X.sub.z-n where Me is any of the Group I-VIII elements of the Periodic Table, excluding Al, Si, Ti and V, R is a hydrocarbon residual group having 1-24 carbon atoms, X is a halogen atom, z represents the valence of Me and n is 0<n.ltoreq.z, and (c) a compound represented by the formula: Si(OR').sub.m X.sub.4-m where R' is a hydrocarbon residual group having 1-20 carbon atoms, X is a halogen atom, and m is 0.ltoreq.m.ltoreq.4, and (d) a titanium compound and/or a vanadium compound. The resulting polymers are characterized by a large bulk density, a narrow range of molecular weight distribution, and small amounts of hexane extraction.
    Type: Grant
    Filed: November 15, 1983
    Date of Patent: May 21, 1985
    Assignee: Nippon Oil Co., Ltd.
    Inventors: Nobuyuki Kuroda, Toru Nakamura, Yutaka Shikatani, Kazuo Matsuura
  • Patent number: 4478987
    Abstract: A new polymerization catalyst system comprising an aluminum compound and a transition metal compound on an alumina-based aerogel support, a process for preparing the polymerization catalyst system and use of the catalyst system for polymerization and copolymerization of alpha-olefins are disclosed. A heat-activated alumina-based aerogel useful as a catalyst support and having a morphology by transmission electron microcopy comprising extremely thin folded film-like ribbons or plates and having a high BET surface area, high pore volume, and low bulk density is also disclosed.
    Type: Grant
    Filed: September 24, 1982
    Date of Patent: October 23, 1984
    Assignee: Allied Corporation
    Inventors: Anthony J. Fanelli, Alson K. Price
  • Patent number: 4450243
    Abstract: Provided is a carrier for an olefin polymerization catalyst which carrier comprises a substance obtained by adding a liquid organic compound not dissolving a magnesium halide into a liquid medium having dissolved therein a substance which contains the magnesium halide as at least one component, the liquid medium further containing an oxide of Group II-IV metal or metals in the Periodic Table, followed by cooling to a temperature not higher than 0.degree. C. and subsequent heat treatment at a temperature in the range of 40.degree. to 200.degree. C.
    Type: Grant
    Filed: February 2, 1983
    Date of Patent: May 22, 1984
    Assignee: Nippon Oil Company, Limited
    Inventors: Kazuo Matsuura, Nobuyuki Kuroda, Takeichi Shiraishi, Yutaka Shikatani, Mituji Miyoshi
  • Patent number: 4403081
    Abstract: A method for producing .alpha.-olefin polymers is provided. This method provides products having superior properties such as higher bulk density and uniform particle form which is close to sphere, with such an extremely higher catalyst efficiency that ash-removal step can be omitted without fear of coloring.
    Type: Grant
    Filed: February 21, 1979
    Date of Patent: September 6, 1983
    Assignee: Chisso Corporation
    Inventors: Masato Harada, Akihiro Sato, Sadahiko Yamada, Kazutsune Kikuta, Atsushi Suzuki, Hiroshi Shimizu, Jun Masuda, Tadamitsu Hamasaki, Atsuyuki Kachi
  • Patent number: 4396533
    Abstract: A supported Ziegler catalyst prepared by the following steps:(A) heating together at a temperature in the range of 250.degree. to 1100.degree. C. a refractory oxide support material having surface hydroxyl groups and one or more halogen-free metal derivatives which are hydrides and/or organic derivatives of the metal.(B) reacting the product from (A) with one or more organometallic compounds having the feneral formula MR.sup.1.sub.a Q.sub.b-a wherein M is a metal atom, R.sup.1 is a hydrocarbon group, Q is a halogen or an oxyhydrocarbyl group, b is the valency of M and a is an integer from 1 to b and wherein the metal atom M is aluminium, boron, lithium, zinc or magnesium,(C) impregnating the solid product from step (B) with one or more halogen-containing transition metal compounds wherein the transition metal or metals comprise titanium and/or vanadium and/or zirconium.
    Type: Grant
    Filed: January 27, 1982
    Date of Patent: August 2, 1983
    Assignee: BP Chemicals Limited
    Inventor: Alexander Johnstone
  • Patent number: 4389518
    Abstract: A process for producing polyethylene having a superior form and a narrower molecular weight distribution with a higher polymer yield is provided. In this process, a combination of a solid product (II) with an organoaluminum compound is used as a polymerization catalyst. This solid product is prepared by first reacting a trivalent metal halide with a divalent metal compound to form a solid product (I), which is then reacted with a halogen-containing transition metal compound and a halogen-free transition metal compound in the presence of a polysiloxane.
    Type: Grant
    Filed: August 25, 1981
    Date of Patent: June 21, 1983
    Assignee: Chisso Corporation
    Inventors: Masato Harada, Atsushi Suzuki, Sadahiko Yamada, Jun Masuda
  • Patent number: 4387198
    Abstract: A process for producing .alpha.-olefin polymers characterized by employing an organomagnesium compound in the preparation of a preactivated catalyst therefor is provided. The resulting polymers have particularly a higher rigidity in addition to various superior properties. The process comprises reacting a trivalent metal halide with a divalent metal compound to obtain a solid product (I); reacting this product with an organomagnesium compound, an electron donor (ED) and an electron acceptor (EA), once to 10 times, and at that time, using TiCl.sub.4 at least once as the (EA) to obtain a solid product (II); combining this product with an organoaluminum compound (OAl) and an (ED), and at that time, subjecting a combination of (II) and (OAl) or that of (II), (OAl) and (ED) to polymerization treatment with an .alpha.-olefin, and in the case of the former combination, further adding (ED), to obtain a preactivated catalyst; and polymerizing .alpha.-olefin(s) in the presence of this catalyst.
    Type: Grant
    Filed: March 12, 1980
    Date of Patent: June 7, 1983
    Assignee: Chisso Corporation
    Inventors: Akihiro Sato, Masami Tachibana, Kazutsune Kikuta, Yoshiharu Higuchi, Masazumi Miyajima
  • Patent number: 4387199
    Abstract: A compound of tetravalent vanadium of the general formula ##STR1## wherein M represents a metal of the fourth group of the Periodic Table of the Elements and R represents and alkyl, cycloalkyl or aryl moiety of 1 to 20 carbon atoms and a process for its preparation. Also disclosed is the use of such vanadium compound as a catalyst for homopolymerization, copolymerization or terpolymerization of various monomers including olefins and vinyl monomers.
    Type: Grant
    Filed: October 9, 1981
    Date of Patent: June 7, 1983
    Assignee: Dynamit Nobel Aktiengesellschaft
    Inventors: Walter Josten, Hans-Joachim Vahlensieck
  • Patent number: 4363902
    Abstract: Poly-.alpha.-olefins, particularly polyethylene, having a broad molecular-weight distribution, can be prepared in the presence of a catalyst solid which is manufactured in two reaction steps, from a primary solid containing magnesium and chlorine which has been reacted, in a reaction stage A, with alkoxy compounds of elements of Groups I to VI of the Mendeleev Periodic Table which contains at least one secondary or tertiary alkoxy group, and with halogen-containing metal compounds of elements of IV and/or V sub-group(s) of the Mendeleev Periodic Table and, in reaction stage B, with halogen-containing metal compounds of elements of IV and/or V sub-group(s) of the Mendeleev Periodic Table, and/or metal organyl compounds of metals of the II and/or III main group(s) of the Mendeleev Periodic Table. The sequence of the reaction stages A and B is not critical for the success of the process according to the invention.
    Type: Grant
    Filed: December 10, 1980
    Date of Patent: December 14, 1982
    Assignee: Wacker-Chemie GmbH
    Inventor: Dieter Kurz
  • Patent number: 4363901
    Abstract: A process for producing high-quality .alpha.-olefin polymers with a higher yield in a long lasting stabilized manner even in the case of gas phase polymerization is provided. In the production process of .alpha.-olefin polymers which comprises reacting a trivalent metal halide with a divalent metal compound to obtain a solid product (I); reacting this product with at least one electron donor (ED) and at least one electron acceptor (EA), once to 10 times, and at that time, using TiCl.sub.4 at least once as the (EA) to obtain a solid product (II); combining this product with an organoaluminum compound (OAl) and an (ED) (these three being referred to as catalyst components), the improvement which comprises subjecting a part or the whole of the catalyst components to polymerization treatment with a small amount of an .alpha.-olefin, at least in the coexistence of the solid product (II) and (OAl), in the combination of the catalyst components to obtain a preactivated catalyst, and subjecting .alpha.
    Type: Grant
    Filed: February 12, 1981
    Date of Patent: December 14, 1982
    Assignee: Chisso Corporation
    Inventors: Kazutsune Kikuta, Masami Tachibana, Akihiro Sato
  • Patent number: 4359563
    Abstract: Copolymers of acetylene are prepared by catalytic polymerization of mixtures of acetylene and heteroalkynes with Ziegler catalysts. The polymers may be used as pigments or as colored coatings on metal, glass or plastic.
    Type: Grant
    Filed: May 19, 1981
    Date of Patent: November 16, 1982
    Assignee: BASF Aktiengesellschaft
    Inventors: Herbert Naarmann, Klaus Penzien, Heinz G. Viehe
  • Patent number: 4324875
    Abstract: A method for producing .alpha.-olefin polymers or copolymers by the use of an improved catalyst consisting of a combination of an organoaluminum compound with a specified solid product (III) which is produced by reacting a trivalent metal halide with a divalent metal hydroxide, oxide, carbonate, or a composite compound containing the foregoing compound(s) or a hydrate of a compound containing a divalent metal; reacting the resultant solid product (I) with a transition metal compound in the presence of an electron donor to produce a solid product (II); and further reacting said solid product (II) with a halogen-containing transition metal compound and a halogen-free transition metal compound.
    Type: Grant
    Filed: May 21, 1980
    Date of Patent: April 13, 1982
    Assignee: Chisso Corporation
    Inventors: Masato Harada, Sadahiko Yamada, Atsushi Suzuki, Jun Masuda
  • Patent number: 4321345
    Abstract: A method for producing .alpha.-olefin polymers which enables to control molecular weight distribution in a narrower range, with a higher yield and a higher crystallinity of products, is proposed. A catalyst used in said method is also proposed. The solid component of said catalyst is obtained by reacting a trivalent metal halide with a hydroxide, an oxide, a carbonate of a divalent metal, a double compound containing any of these compounds or a hydrate of a compound containing a divalent metal to produce a solid product (I); reacting one or more electron donors and one or more electron acceptors separately or simultaneously each in from one step 10 steps but by using TiCl.sub.4 as an acceptor at least in one step, with said solid product (I) to obtain a solid product (II); and then combining an organoaluminum compound and an electron donor with said solid product (II).
    Type: Grant
    Filed: March 15, 1979
    Date of Patent: March 23, 1982
    Assignee: Chisso Corporation
    Inventors: Akihiro Sato, Masami Tachibana, Kazutsune Kikuta
  • Patent number: 4317897
    Abstract: A process for the preparation of an extensively amorphous homo- or copolymer of an .alpha.-olefin of 3-32 carbon atoms comprises polymerizing an .alpha.-olefin using a titanium-containing Ziegler-Natta catalyst, the catalyst comprising a mixture of(A) the reaction product of(a) a .mu.-oxoalkoxide of the formulaTi.sub.x O.sub.(x+y-1) M.sub.y.sup.m (OR.sup.1).sub.(2x+1) Z.sub.(m-1)ywhereinM is a metal of valence m,R.sup.1 is an alkyl residue of 1-10 carbon atoms,Z is C.sub.1-18 alkanoyloxy or C.sub.1-10 alkoxy,x is a whole or fractional number of 1-4,y is a whole or fractional number of 1-2 andm is 2,3 or 4;with(b) a halogen-containing organoaluminum compound of the formulaR.sub.n.sup.2 AlX.sub.3-nwhereinR.sup.2 is C.sub.1-16 alkyl,X is chlorine, bromine or iodine, andn is a whole or fractional number of 0.5-2.5, and(B) an aluminum trialkyl of up to 16 carbon atoms in each alkyl group.
    Type: Grant
    Filed: February 4, 1980
    Date of Patent: March 2, 1982
    Assignee: Chemische Werke Huels, A.G.
    Inventors: Christoph Herrmann, Roland Streck
  • Patent number: 4315999
    Abstract: An olefin is polymerized using a catalyst obtained by contacting (1) at least one of silicon or aluminum dioxide, (2) a compound of the formula ROH wherein R is a hydrocarbon radical having 1 to 20 carbon atoms, and (3) a substance obtained by supporting a titanium or a vanadium compound on a magnesium or manganese halide.
    Type: Grant
    Filed: September 23, 1980
    Date of Patent: February 16, 1982
    Assignee: Nippon Oil Company, Limited
    Inventors: Kazuo Matsuura, Takeichi Shiraishi, Etsuo Kawamata, Nobuyuki Kuroda, Mituji Miyoshi