Non-metallic Inorganic Halogen Containing Patents (Class 502/119)
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Patent number: 6900154Abstract: Processes of forming a supported activated catalyst composition and method of polymerization are disclosed, the process of forming the composition including combining a halogenated aromatic aluminum activator compound with a fluorinated support and a catalyst to form a supported activated catalyst composition. Also disclosed is a supported activated catalyst composition, comprising the reaction product of a fluorinated support, a perfluorophenyl aluminum activator and in one embodiment a metallocene catalyst. In one embodiment, the halogenated aromatic aluminum activator is represented by the formula RnAl(ArHal)3?n, wherein ArHal is a halogenated aryl group, R is a monoanionic ligand, and n is 1 or 2.Type: GrantFiled: August 21, 2003Date of Patent: May 31, 2005Assignee: Univation Technologies, LLCInventors: Laughlin G. McCullough, Matthew W. Holtcamp
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Patent number: 6867160Abstract: By controlling the hold up times and temperatures for mixing the components of aluminum, titanium and magnesium based catalyst for solution polymerization it is possible to prepare a catalyst having a high activity, which prepares high molecular weight polyolefins. Generally, catalyst loses activity and produces lower molecular weight polymer at higher temperatures. The catalyst of the present invention permits comparable polymers to be produced at higher reaction temperatures.Type: GrantFiled: November 1, 2000Date of Patent: March 15, 2005Assignee: Nova Chemicals (International) S.A.Inventors: Jesus Vela Estrada, Vaclav George Zboril
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Patent number: 6858685Abstract: There is provided a process for producing a catalyst for olefin polymerization, which comprises the step of contacting (1) an organ aluminum compound, (2) an external electron donor compound and (3) a solid catalyst component obtained by a process comprising the steps of; (i) reducing a titanium compound represented by the following formula [I] with an organomagnesium compound in the presence of a fine particle and an organosilicon compound having an Si—O bond to obtain a solid product, and (ii) contacting the solid product, a halogenocompound having halogenation ability and an internal electron donor compound to obtaining the solid catalyst component.Type: GrantFiled: July 31, 2002Date of Patent: February 22, 2005Assignee: Sumitomo Chemical Company, LimitedInventors: Ken Yoshimura, Shin-ichi Kumamoto, Makoto Satoh
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Patent number: 6855654Abstract: The invention relates to a process for uniformly dispersing a transition metal metallocene complex on a carrier comprising (1) providing silica which is porous and has a particle size of 1 to 250 microns, having pores which have an average diameter of 50 to 500 Angstroms and having a pore volume of 0.5 to 5.0 cc/g; (2) slurrying the silica in an aliphatic solvent having a boiling point less than 110° C.Type: GrantFiled: September 16, 2002Date of Patent: February 15, 2005Assignee: ExxonMobil Oil CorporationInventors: Yury V. Kissin, Robert I. Mink, Thomas E. Nowlin, Pradeep P. Shirodkar, Sandra D. Schregenberger, Grace O. Tsien
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Publication number: 20040266609Abstract: A solid catalyst component for olefin polymerization in which the molar ratio of residual alkoxy groups to supported titanium is 0.60 or less is obtained by reacting the following compound (a1) with the following compound (b1) at a hydroxyl group/magnesium molar ratio of 1.0 or more, reacting the reaction mixture with the following compound (c1) at a halogen/magnesium molar ratio of 0.20 or more, reacting the resultant reaction mixture with the following compounds (d1) and (e) at a temperature of 120° C. or higher but 150° C.Type: ApplicationFiled: April 22, 2004Publication date: December 30, 2004Inventors: Shojiro Tanase, Takanori Sadashima
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Patent number: 6831033Abstract: A solid titanium complex catalyst for polymerization and copolymerization of ethylene is prepared by the process that includes: (1) preparing a magnesium solution by reacting a halogenated magnesium compound with an alcohol; (2) reacting the magnesium solution with an ester compound having at least one hydroxyl group and a silicon compound having an alkoxy group to produce a magnesium composition; and (3) producing a solid titanium catalyst by reacting the magnesium composition solution with a mixture of a titanium compound and a haloalkane compound; and optionally reacting the solid titanium catalyst with an additional titanium compound.Type: GrantFiled: June 12, 2002Date of Patent: December 14, 2004Assignee: Samsung General Chemicals Co., Ltd.Inventors: Chun-Byung Yang, Sang-Yull Kim, Weon Lee
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Patent number: 6790319Abstract: A method for recovering a titanium compound includes bringing a waste solution containing a titanium alkoxide into contact with a halogenating agent to convert at least a part of the titanium alkoxide to a titanium halide, and then distilling the solution containing the titanium halide to recover the titanium halide from the solution, or the method includes distilling a waste solution containing a titanium alkoxide and a titanium halide to recover at least a part of the titanium halide from the waste solution, bringing a residue in a distiller after the distillation into contact with a halogenating agent to convert at least a part of the titanium alkoxide to a titanium halide, and distilling the solution containing the titanium halide to recover the titanium halide from the solution. The method can recover an increased amount of a titanium compound from a waste solution containing a titanium alkoxide.Type: GrantFiled: November 28, 2001Date of Patent: September 14, 2004Assignee: Mitsui Chemicals, Inc.Inventors: Takumi Kitahara, Tetsuya Nakano
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Patent number: 6750302Abstract: A polymerization catalyst is disclosed, wherein the catalyst comprises: (a) a metallocene of Ti, Zr or Hf, (b) an organoaluminum compound, and (c) a treated solid oxide support which comprises fluorine and chromium.Type: GrantFiled: December 16, 1999Date of Patent: June 15, 2004Assignee: Phillips Petroleum CompanyInventors: Max P. McDaniel, Kathy S. Collins, Elizabeth A. Benham, Anthony P. Eaton, Michael D. Jensen, Joel L. Martin, Gil R. Hawley, Eric T. Hsieh
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Patent number: 6734133Abstract: This invention relates to a process for the production of a composition containing gold and/or silver particles, mixed oxides containing titanium and silicon which have been surface-modified, to the compositions producible in this process and to the use thereof in processes for the selective oxidation of hydrocarbons in the presence of oxygen and a reducing agent. The catalytically active compositions exhibit constantly high selectivities and productivities.Type: GrantFiled: February 21, 2002Date of Patent: May 11, 2004Assignee: Bayer AktiengesellschaftInventors: Markus Weisbeck, Christoph Schild, Gerhard Wegener, Georg Wiessmeier
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Patent number: 6730755Abstract: A supported catalyst for olefin polymerization comprises a combination of a novel metal oxide support and an activator which is an aluminoxane or a boron activator. The novel metal oxide support of this invention is a conventional particulate metal oxide support material (such as silica or alumina) which has been treated with a halosulfonic acid. A catalyst system which contains this novel catalyst support and a transition metal catalyst is highly active for olefin polymerization (in comparison to prior art catalyst systems which use a conventional metal oxide support).Type: GrantFiled: February 7, 2002Date of Patent: May 4, 2004Assignee: Nova Chemicals (Internation) S.AInventors: Xiaoliang Gao, P. Scott Chisholm, Matthew Gerald Kowalchuk, Robert D. Donaldson
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Patent number: 6723677Abstract: By controlling the hold up times, concentrations and temperatures for mixing the components of aluminum, titanium and magnesium based catalyst for solution polymerization it is possible to prepare a catalyst having a high activity, which prepares high molecular weight polyolefins. Generally, a catalyst loses activity and produces lower molecular weight polymer at higher temperatures. The catalyst of the present invention permits comparable polymers to be produced with higher catalyst activity and at higher reaction temperatures by increasing the concentration of the components used during the preparation of the catalyst.Type: GrantFiled: June 25, 2001Date of Patent: April 20, 2004Assignee: Nova Chemicals (International) S.A.Inventors: Jesus Vela Estrada, Vaclav George Zboril
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Patent number: 6710144Abstract: There is provided a process for producing an olefin polymer, which comprises a step of polymerizing an olefin in a gas phase in the presence of a homogeneous solid catalyst having a content of particles having a particle size of not more than 180 &mgr;m of not more than 15% by weight based on 100% by weight of the total weight of the homogeneous solid catalyst.Type: GrantFiled: October 10, 2001Date of Patent: March 23, 2004Assignee: Sumitomo Chemical Company, LimitedInventors: Masashi Hamba, Kazuki Wakamatsu, Tomoaki Gotou
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Patent number: 6710143Abstract: A phosphinimine catalyst for olefin polymerization is supported on a directly fluorided metal oxide with an aluminoxane. This catalyst is highly active for olefin polymerization in comparison to prior art catalysts which use non-fluorided metal oxide supports. The directly fluorided metal oxide may be conveniently prepared by contacting the precursor metal oxide with a simple alkali metal salt (such as NaF) in an aqueous slurry.Type: GrantFiled: September 16, 2002Date of Patent: March 23, 2004Assignee: Nova Chemicals (International) S.A.Inventors: Xiaoliang Gao, P. Scott Chisholm, Robert D. Donaldson, Ian McKay
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Patent number: 6699813Abstract: A catalyst composition that is the combination of or the reaction product of ingredients comprising (a) an lanthanide compound, (b) an alkylating agent, (c) a nickel-containing compound, and optionally (d) a halogen-containing compound, with the proviso that the halogen-containing compound must be present where none of the lanthanide compound, the alkylating agent, and the nickel-containing compound contain a labile halogen atom.Type: GrantFiled: November 4, 2002Date of Patent: March 2, 2004Assignee: Bridgestone CorporationInventors: Steven Luo, Yoichi Ozawa, Koji Masaki, David Lawson
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Publication number: 20040033888Abstract: A solid titanium complex catalyst for polymerization and copolymerization of ethylene is prepared by the process comprising: (1) preparing a magnesium solution by reacting a halogenated magnesium compound with an alcohol; (2) reacting the magnesium solution with a phosphorus compound and a silicon compound having at least one alkoxy group to produce a magnesium composition; and (3) producing a solid titanium catalyst through recrystallization by reacting the magnesium composition solution with a mixture of a titanium compound and a haloalkane compound; and optionally reacting the solid titanium catalyst with an additional titanium compound. The solid titanium complex catalyst for polymerization and copolymerization of ethylene according to present invention exhibits high polymerization activity, and can be advantageously used in the polymerization and copolymerization of ethylene to produce polymers of high bulk density and narrow molecular weight distribution.Type: ApplicationFiled: April 22, 2003Publication date: February 19, 2004Inventors: Chun-Byung Yang, Won-Young Kim, Ji-Yong Park, Weon Lee
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Publication number: 20040024147Abstract: 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 solid oxide compound.Type: ApplicationFiled: May 19, 2003Publication date: February 5, 2004Inventors: Max P. McDaniel, Kathy S. Collins, James L. Smith, Elizabeth A. Benham, Marvin M. Johnson, Anthony P. Eaton, Michael D. Jensen, Joel L. Martin, Gil R. Hawley
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Patent number: 6683018Abstract: A process for the preparation of a supported catalyst system, an inorganic carrier material being reacted with a metal compound of the formula M1(R1)r(R2)5(R3)t(R4)u I in the presence of an inert solvent in a first step and, in a subsequent step, the suspension thus obtained being reacted with a metallocene complex and a compound forming metallocenium ions, in which process the solvent is not removed after the first step and the subsequent step is carried out without isolation of the pretreated carrier material thus obtained.Type: GrantFiled: August 14, 2000Date of Patent: January 27, 2004Assignee: BASF AktiengesellschaftInventors: Marc Oliver Kristen, Laurent Deloux, Peter Kölle, Ulrich Moll, Ursula Rief
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Patent number: 6667274Abstract: 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: GrantFiled: August 16, 2000Date of Patent: December 23, 2003Assignee: Phillips Petroleum CompanyInventors: Gil R. Hawley, Max P. McDaniel, Christopher E. Wittner, Michael D. Jensen, Joel L. Martin, Elizabeth A. Benham, Anthony P. Eaton, Kathy S. Collins
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Patent number: 6627710Abstract: The invention relates to catalyst components, suitable for the preparation of homopolymers and copolymers of ethylene having a broad molecular weight distribution (MWD), which comprise Ti, Mg, Cl, and are characterized by the following properties: surface area, determined by BET method, of lower than 100 m2/g, a total porosity, measured by the mercury method, of higher than 0.25 cm3/g, a pore radius distribution such that at least 45% of the total porosity is due to pores with radius up to 0.1 &mgr;m.Type: GrantFiled: February 16, 2001Date of Patent: September 30, 2003Assignee: Basell Polyolefine GmbHInventors: Mario Sacchetti, Diego Brita
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Patent number: 6613712Abstract: The invention provides for compositions that are useful for polymerizing at least one monomer to produce a polymer, wherein the composition comprises a post-contacted organometal compound, a post-contacted organoaluminum compound, and a post-contacted solid oxide compound treated with boron and fluoride.Type: GrantFiled: November 24, 1999Date of Patent: September 2, 2003Assignee: Phillips Petroleum CompanyInventors: Max P. McDaniel, Kathy S. Collins, Elizabeth A. Benham, Anthony P. Eaton, Michael D. Jensen, Joel L. Martin, Gil R. Hawley
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Patent number: 6586543Abstract: The present invention provides a process for preparing a substantially amorphous poly-&agr;-olefin, which includes: a) preforming a solid catalyst and, optionally, a first amount of a trialkylaluminum cocatalyst, by contacting the catalyst and optionally the cocatalyst with at least one selected from the group including oxygen and a compound which includes active oxygen, to form a preformed catalyst, wherein the solid catalyst includes magnesium, aluminum and titanium, and wherein said trialkylaluminum cocatalyst includes 1 to 9 carbon atoms in each alkyl group; b) contacting the preformed catalyst with a second amount of the cocatalyst, wherein a molar ratio of trialkylaluminum to the titanium ranges from 40:1 to 700:1, to form a catalyst mixture; c) polymerizing, in the liquid phase, with the catalyst mixture, an olefin or an olefin mixture at a temperature between 30 and 160° C., to produce the poly-&agr;-olefin.Type: GrantFiled: September 1, 2000Date of Patent: July 1, 2003Assignee: Degussa AGInventors: Hans Guenther Wey, Norbert Schlueter
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Patent number: 6586542Abstract: Disclosed is a process of controlling the degree of branch of high 1,4-cis polybutadiene without any alternation in the 1,4-cis content and the polymerization yield, in which a dialkylzinc compound represented by the following formula I is added in a controlled amount as an agent for controlling the degree of branch of high 1,4-cis polybutadiene, thus guaranteeing the optimum processability and physical properties of polymer according to the use purpose. R1—Zn—R2 Formula I wherein R1 and R2 are same or different and include an alkyl group containing 1 to 5 carbon atoms.Type: GrantFiled: March 27, 2001Date of Patent: July 1, 2003Assignee: Korea Kumho Petrochemical Co., Ltd.Inventors: Young-Chan Jang, Pil-Sung Kim, Gwang-Hoon Kwag, A-Ju Kim, Seung-Hwon Lee
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Patent number: 6559090Abstract: The present invention is directed to a coordinating catalyst system comprising at least one metallocene or constrained geometry pre-catalyst transition metal compound, (e.g., di-(n-butylcyclopentadienyl)zirconium dichloride), at least one support-activator (e.g., spray dried silica/clay agglomerate), and optionally at least one organometallic compound (e.g., triisobutyl aluminum), in controlled amounts, and methods for preparing the same. The resulting catalyst system exhibits enhanced activity for polymerizing olefins and yields polymer having very good morphology. The support-activator is a layered material having a negative charge on its interlaminar surfaces and is sufficiently Lewis acidic to activate the transition metal compound for olefin polymerization.Type: GrantFiled: November 1, 1999Date of Patent: May 6, 2003Assignee: W. R. Grace & Co.-Conn.Inventors: Keng-Yu Shih, Dean Alexander Denton, Michael John Carney
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Publication number: 20030069372Abstract: An olefin polymerization catalyst is described which includes: (A) a solid catalyst component being prepared by copulverizing a magnesium compound, an aluminum compound, an electron donor and a titanium compound, and (B) an organoaluminum compound. The present invention is also directed to a process for preparing polyolefins using the aforesaid catalyst system to polymerize olefins.Type: ApplicationFiled: October 9, 2001Publication date: April 10, 2003Applicant: Formosa Plastics Corporation, U.S.A.Inventors: Bing Lu, Honglan Lu, Chih-Jian Chen
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Publication number: 20030065111Abstract: There is provided a process for producing a catalyst for olefin polymerization, which comprises the step of contacting (1) an organoaluminum compound, (2) an external electron donor compound and (3) a solid catalyst component obtained by a process comprising the steps of;Type: ApplicationFiled: July 31, 2002Publication date: April 3, 2003Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Ken Yoshimura, Shin-Ichi Kumamoto, Makoto Satoh
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Patent number: 6524987Abstract: 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 contacting a organometal compound/organoaluminum mixture, a treated solid oxide compound, and, optionally, a second organoaluminum compound. The solid oxide has been treated with an electron-withdrawing compound, in particular a chlorine, preferably zinc chloride and carbon tetrachloride.Type: GrantFiled: December 22, 1999Date of Patent: February 25, 2003Assignee: Phillips Petroleum CompanyInventors: Kathy S. Collins, Syriac J. Palackal, Max P. McDaniel, Michael D. Jensen, Gil R. Hawley, Kenneth R. Farmer, Christopher E. Wittner, Elizabeth A. Benham, Anthony P. Eaton, Joel L. Martin
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Patent number: 6511935Abstract: A method of halogenating a precursor to form a polymerization procatalyst is disclosed whereby a magnesium/transition metal-containing alkoxide complex precursor is contacted with a halogenating agent selected from alkylaluminum halide, TiX4, SiX4, BX3, and Br2, where halide and X are reach respectively a halogen, and when an alkylaluminum halide, TiX4, SiX4, BX3, and Br2 are used as the halogenating agent, they are used together or in combination in a multi-step halogenation. The procatalyst then can be converted to an olefin polymerization catalyst by contacting it with a cocatalyst and optionally a selectivity control agent, and used to polymerize olefins in high yield with desired properties.Type: GrantFiled: June 8, 2001Date of Patent: January 28, 2003Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventor: Robert Charles Job
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Publication number: 20030018143Abstract: A Ziegler-Natta type catalyst having an improved hydrogen response provides for narrowing of the MWD of resulting polyolefins polymerized using such catalyst, with such catalyst generally made by a) contacting a soluble magnesium dialkoxide compound of the general formula Mg(OR′)2 with a halogenating agent capable of exchanging one halogen for one alkoxide to form a reaction product A, where R′ is a hydrocarbyl or substituted hydrocarbyl having from 1 to 20 carbon atoms; b) contacting reaction product A with a first halogenating/titanating agent to form reaction product B; and c) contacting reaction product B with a second halogenating/titanating agent to form a catalyst component; wherein in at least one of steps b) and c), the halogenating/titanating agent is a blend of Ti(OPr)4 and TiCl4. Catalyst components, catalysts, catalyst sytems, polyolefin polymers, and methods of forming each are disclosed.Type: ApplicationFiled: August 1, 2002Publication date: January 23, 2003Inventors: Steven D. Gray, Tim J. Coffy
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Publication number: 20020147284Abstract: A copolymer of ethylene and an alpha-olefin contains from 3 to 12 carbon atoms, wherein 0.1 to 1.5 mol % of the units originate from the alpha-olefin. The copolymer has a relative density ranging from 0.960 to 0.940, a transition metal content lower than 6 ppm, an Mw/Mn ratio higher than 7, an Mz/Mw ratio higher than 3.3 and an Mz higher than 300,000. The copolymer is prepared from the polymerization or co-polymerization of at least one olefin in the presence of a solid catalytic component or a prepolymerized catalyst.Type: ApplicationFiled: February 6, 2002Publication date: October 10, 2002Inventors: Jean Malinge, Claude Brun, Jean-Loup Lacombe
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Patent number: 6433108Abstract: The invention relates to a process for the manufacture of a solid catalytic component for the polymerization or copolymerization of olefins, resulting in a polymer or copolymer with broadened molecular mass distribution. The process includes a first stage including bringing into contact a) a solid support including at its surface at least 5 hydroxyl groups per square nanometre (OH/nm2) and b) an organic magnesium derivative, and optionally, preferably, c) an aluminoxane, to obtain a first solid, and then a second stage including bringing the first solid and a chlorinating agent into contact to obtain a second solid and then, in a later stage, impregnation of the second solid with a transition metal derivative.Type: GrantFiled: February 17, 2000Date of Patent: August 13, 2002Assignee: Elf Atochem S.A.Inventors: Jean Malinge, Claude Brun, Jean-Loup Lacombe
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Patent number: 6399532Abstract: Catalyst composition for use in the polymerization of olefins comprise neutral metal complexes together with activators comprising non-aromatic boron compounds. Suitable activators are triisobutylboron together with trialkylaluminium compounds. Preferred complexes are metallocenes. The use of such activating systems obviates the need for expensive aluminoxanes or aromatic fluorine containing compounds.Type: GrantFiled: January 5, 2000Date of Patent: June 4, 2002Assignee: BP Chemicals LimitedInventors: Birgit Angelika Dorer, David Pratt, Christopher Sharp
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Patent number: 6399535Abstract: The present invention is directed to a coordinating catalyst system comprising at least one bidentate or tridentate ligand containing pre-catalyst transition metal compound, (e.g., 2,6-bis (2,4,6-trimethylarylamino)pyridyl iron dichloride), at least one support-activator (e.g., spray dried silica/clay agglomerate), and optionally at least one organometallic compound (e.g., triisobutyl aluminum), in controlled amounts, and methods for preparing the same. The resulting catalyst system exhibits enhanced activity for polymerizing olefins and yields polymer having very good morphology.Type: GrantFiled: November 1, 1999Date of Patent: June 4, 2002Assignee: W. R. Grace & Co.-Conn.Inventors: Keng-Yu Shih, Michael John Carney, Dean Alexander Denton
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Patent number: 6395669Abstract: A catalyst component formed by the steps of contacting a transition metal-containing metallocene of a transition metal of Group 4, 5 or 6 of the Periodic Table of the Elements with silica or an organic support. This product is contacted with an organomagnesium compound or complex followed by contact with an alcohol and a silane. Finally, the so-contacted product is contacted with a Group 4, 5 or. 6 transition metal-containing non-metallocene compound. The component is preferably combined with an aluminum-containing cocatalyst to form a catalyst system.Type: GrantFiled: July 27, 2000Date of Patent: May 28, 2002Assignee: Equistar Chemicals, LPInventors: William J. Sartain, Patricia A. Hooks, Keta M. Lindstrom, Stella L. Ellis, Douglas D. Klendworth, Albert P. Masino, Richard W. Fries, Therese A. Pastrick
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Patent number: 6337376Abstract: A method to prepare a polyolefin in the presence of a catalyst comprising: (A) a solid catalyst component prepared by reacting a homogenous solution consisting of (i) at least one member selected from the group consisting of metal magnesium and a hydroxylated organic compound, and oxygen-containing organic compounds of magnesium, (ii) at least one oxygen-containing organic compound of titanium and (iii) at least one silicon compound, first with (iv) at least one first organoaluminum halide compound of the formula: AlR5zX3−z wherein R5 is a hydrocarbon group having from 1 to 20 carbon atoms, X is a halogen atom, and 1≦z≦2, and wherein the atomic ratio of gram atoms of Al in the component (iv) to gram atoms of Mg in the component (i) (Al/Mg) is from 0.1 to 2.Type: GrantFiled: November 21, 1994Date of Patent: January 8, 2002Assignee: Tosoh CorporationInventors: Yutaka Naito, Fumiharu Takahashi, Mitsuhiro Mori, Yozo Kondo
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Publication number: 20010053742Abstract: A process is provided to modify an olefin production catalyst system which comprises contacting an olefin production catalyst system with ethylene prior to use. A second embodiment of the invention comprises contacting an aluminum alkyl and a pyrrole-containing compound prior to contacting a chromium containing compound and prior to contacting an olefin. A process also is provided to trimerize and/or oligomerize olefins with the novel, modified olefin catalyst production systems. These modified olefin production catalyst systems can produce less solids, such as, for example, polymer, during a trimerization reaction.Type: ApplicationFiled: December 18, 1998Publication date: December 20, 2001Inventors: RONALD D. KNUDSEN, JEFFREY W. FREEMAN
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Patent number: 6300271Abstract: This invention provides a compositions that are useful for polymerizing at least one monomer into at least one polymer.Type: GrantFiled: May 18, 1998Date of Patent: October 9, 2001Assignee: Phillips Petroleum CompanyInventors: Max P. McDaniel, Elizabeth A. Benham, Shirley J. Martin, Kathy S. Collins, James L. Smith, Gil R. Hawley, Christopher E. Wittner, Michael D. Jensen
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Publication number: 20010023231Abstract: The present invention relates to components of catalysts for the polymerization of olefins comprising a metallocene compound and a magnesium halide which have particular values of porosity and surface area. In particular the components of the invention have surface area (BET) greater than about 50 m2/g, porosity (BET) greater than about 0.15 cm3/g and porosity (Hg) greater than 0.3 cm3/g, with the proviso that when the surface area is less than about 150 m2/g, the porosity (Hg) is less than about 1.5 cm3/g. The components of the invention are particularly suitable for the preparation of catalysts for the gas-phase polymerization of &agr;-olefins.Type: ApplicationFiled: September 10, 1997Publication date: September 20, 2001Inventors: MARIO SACCHETTI, STEFANO PASQUALI, GABRIELE GOVONI
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Patent number: 6288005Abstract: A catalyst component, adapted for use in the polymerization and copolymerization of ethylene, is formed by reaction of an organomagnesium compound with a metal oxide support to form a supported organomagnesium composition, reaction of the supported organomagnesium composition and a tetraalkyl silicate, contact of the resulting product with a chlorinating reagent, and treatment of the product from the previous step with liquid titanium halide.Type: GrantFiled: September 28, 1994Date of Patent: September 11, 2001Assignee: Akzo N.V.Inventors: Bor-Ping E. Wang, Elliot I. Band, Ronald A. Epstein
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Patent number: 6284701Abstract: The new metallocene catalysts according to the present invention are prepared by reacting a metallocene compound with a compound having at least two functional groups. The metallocene compound is a transition metal compound, which is coordinated with a main ligand such as cyclopentadienyl group, and an ancillary ligand. The functional groups in the compound are selected from the group consisting of a hydroxyl group, an alkyl or aryl magnesium halide, a thiol group, a primary amine group, a secondary amine group, a primary phosphorous group, a secondary phosphorous group, etc. The metallocene catalysts according to the present invention have a structure in which an ancillary ligand of a metallocene compound is bonded to the functional groups of a compound having at least two functional groups. A structure of the metallocene catalysts can be varied with the type of a metallocene compound and a compound having at least two functional groups, and the molar ratio of each reactant.Type: GrantFiled: April 20, 1999Date of Patent: September 4, 2001Assignee: Samsung General Chemicals Co., Ltd.Inventors: Keun-Byoung Yoon, Seok Chang, Won-Cheol Jung, Yi-Yeol Lyu
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Patent number: 6174971Abstract: A new synthesis of a Ziegler-Natta catalyst uses a multi-step preparation which includes treating a soluble magnesium compound with successively stronger chlorinating-titanating reagents. The catalyst may be used in polymerization of olefins, particularly ethylene, to produce a polymer with low amount of fines, large average fluff particle size and narrow molecular weight distribution. The catalyst has high activity and good hydrogen response.Type: GrantFiled: January 28, 1997Date of Patent: January 16, 2001Assignee: Fina Technology, Inc.Inventors: Hong Chen, Tim J. Coffy, Edwar S. Shamshoum
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Patent number: 6165929Abstract: A process is provided to produce a composition of matter. The process comprises contacting at least one organometal compound, at least one solid mixed oxide compound, and at least one organoaluminum compound to produce the composition.Type: GrantFiled: May 18, 1998Date of Patent: December 26, 2000Assignee: Phillips Petroleum CompanyInventors: Max P. McDaniel, Shirley J. Martin, Kathy S. Collins, Marvin M. Johnson
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Patent number: 6136745Abstract: The present invention relates to a high activity catalyst composition for the (co-)polymerisation of ethylene, optionally with an alpha olefin of 3 to 10 carbon atoms, comprising a catalyst precursor and an organoaluminium cocatalyst, wherein the catalyst precursor consists of:(i) a silica carrier material, having from 0.3 to 1.2 mmoles of OH groups per gram of silica,(ii) a dialkylmagnesium compound of the formula RMgR.sup.1, where R and R.sup.1 are the same or different C.sub.2 -C.sub.12 alkyl groups, in an amount comprised between 0.5 to 1.5 mmoles of dialkylmagnesium per gram of silica,(iii) a tetraalkyl orthosilicate, in which the alkyl groups contain from 2 to 6 carbon atoms, in an amount comprised between 0.2 to 0.8 mmoles per gram of silica,(iv) a chlorinated compound (X) having the formula R.sub.n SiCl.sub.4-n, wherein each R is the same or different and is hydrogen or an alkyl group and n is an integer from 0 to 3, in an amount comprised between 0.Type: GrantFiled: July 22, 1998Date of Patent: October 24, 2000Assignee: BP Chemicals LimitedInventors: David John Ashton, Yury Viktor Kissin, Robert Ivan Mink
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Patent number: 6130180Abstract: An aminosilane of the formula: ##STR1## where R.sub.1 is a linear or branched C.sub.1-22 alkyl or C.sub.3-22 cycloalkyl, which may be substituted with at least one halogen atom; R.sub.2 is a bis(linear or branched C.sub.1-22 alkyl or C.sub.3-22 cycloalkyl)amino, a substituted piperidinyl, a substituted pyrrolidinyl, decahydroquinolinyl, 1,2,3,4-tetrahydroquinolinyl or 1,2,3,4-tetrahydroisoquinolinyl, with the substituent selected from the group consisting of C.sub.1-8 alkyl, pheny. C.sub.1-8 linear or branched alkylsubstituted phenyl and trimethylsilyl, with the proviso that when the substituent is C.sub.1-8 alkyl, there must be at least two such substituent groups present and R.sub.1 must contain halogen; and R.sub.3 is a linear or branched C.sub.1-8 alkyl or C.sub.3-8 cycloalkyl.Type: GrantFiled: December 23, 1997Date of Patent: October 10, 2000Assignee: Montell North America Inc.Inventors: Constantine A. Stewart, Eric J. Evain
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Patent number: 6127301Abstract: The present invention provides a novel catalyst system which can be preferably used in the trimerization, oligomerization reaction or polymerization reaction of an olefin, and a method for the trimerization, oligomerization or polymerization reaction of an olefin, which comprises using the catalyst system. A catalyst system obtained by contacting the following components (A) to (C):(A) a chromium compound,(B) an imine compound, and(C) a metal alkyl compound, and a method for the trimerization, oligomerization or polymerization reaction of an olefin, which comprises using the catalyst system are disclosed.Type: GrantFiled: June 27, 1997Date of Patent: October 3, 2000Assignee: Sumitomo Chemical Company, LimitedInventors: Kiyoshi Iwanaga, Mitsuhisa Tamura
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Patent number: 6127305Abstract: An active catalyst in the polymerization of alpha-olefins is obtained by:(i) bringing a dialkyl magnesium, or an alkyl magnesium halide into contact with a silicon or tin halide, in solution in an inert organic solvent, until a granular solid precipitates off;(ii) suspending said solid precipitate in an inert organic solvent and bringing it into contact with a compound which can be defined by the formula: ##STR1## wherein M represents a metal from Group IVB of the Periodic Table of Elements, and each R and C.sub.p has the meaning as reported in the disclosure, in order to form a granular solid catalyst; and(iii) recovering said solid catalyst from the resulting suspension.Type: GrantFiled: October 3, 1996Date of Patent: October 3, 2000Assignee: Enichem S.p.AInventors: Federico Milani, Luciano Luciani, Bruno Pivotto, Antonio Labianco
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Patent number: 6107230Abstract: This invention provides compositions for polymerizing at least one monomer to produce a polymer. The compositions are produced by a process comprising contacting at least one organometal compound, at least one organoaluminum compound, and at least one treated solid oxide compound. The treated solid oxide compound is produced by a process comprising contacting at least one solid oxide compound with at least one electron-withdrawing anion source compound and at least one metal salt compound.Type: GrantFiled: May 18, 1998Date of Patent: August 22, 2000Assignee: Phillips Petroleum CompanyInventors: Max P. McDaniel, Kathy S. Collins, Marvin M. Johnson, James L. Smith, Elizabeth A. Benham, Gil R. Hawley, Christopher E. Wittner, Michael D. Jensen
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Patent number: 6103655Abstract: Procedure for the preparation of a solid carrier for olefin polymerization catalysts, comprising the steps:a) impregnating a silica with Mg-chloride solubilized in ethylbenzoate, in the presence of further electron donors,b) optionally drying the impregnated silica obtained in (a) and impregnating it with a solution of Mg-alkyls in SiCl.sub.4 at a temperature from -10 to 20.degree. C. and subsequently treating the obtained slurry at a temperature from 40.degree. C. to reflux temperature, optionally adding a further amount of electron donors,c) drying the obtained carrier.The carrier which is obtained according to the above procedure is advantageously used for the preparation of supported catalysts for the polymerization of olefins.Type: GrantFiled: February 13, 1998Date of Patent: August 15, 2000Assignee: Borealis GmbHInventors: Luciano Luciani, Wolfgang Neissl, Norbert Hafner
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Patent number: 6066704Abstract: A transition metal complex represented by the formula [1] ##STR1## wherein M is a transition metal atom of the group 4 of the periodic table of elements; Cp is a group having a cyclopentadiene type anionic skeleton; A and G are each a divalent residue containing an atom of the group 15 or 16 of the periodic table of elements and may be the same with or different from each other; X.sup.1, X.sup.2, R.sup.1, R.sup.2, R.sup.3 and R.sup.Type: GrantFiled: June 26, 1998Date of Patent: May 23, 2000Assignee: Sumitomo Chemical Company, LimitedInventors: Hiroaki Katayama, Akio Imai, Hidenori Hanaoka, Norio Kawamura, Akira Miyashita
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Patent number: 6051522Abstract: A catalyst containing the combination which comprises:(a) an aluminoxane, a compound of the formula R.sub.x NH.sub.4-x, BR'.sub.4, R.sub.x PH.sub.4-x, BR'.sub.4, R.sub.3 CBR'.sub.4 or BR'.sub.3, or a mixture thereof wherein X is an integer from 1 to 4 and the radicals R are identical or different and are a C.sub.1 -C.sub.10 -alkyl or a C.sub.6 -C.sub.18 -aryl or 2 radicals R together with the atom joining them form a ring, and the radicals R' are identical or different and are a C.sub.6 -C.sub.18 -aryl which optionally are substituted by alkyl, haloalkyl or fluorine, and(b) a metallocene of the formula VI ##STR1## in which M.sup.1 is titanium, zirconium, hafnium, vanadium, niobium or tantalum,R.sup.1 is (C.sub.3 -C.sub.20)alkyl, (C.sub.6 -C.sub.14)aryl, (C.sub.4 -C.sub.10)alkoxy, (C.sub.2 -C.sub.10)alkenyl, (C.sub.7 -C.sub.20)arylalkyl, (C.sub.7 -C.sub.20)alkylaryl, (C.sub.6 -C.sub.10)aryloxy, (C.sub.1 -C.sub.10)fluoroalkyl, (C.sub.6 -C.sub.10)halogenoaryl, (C.sub.2 -C.sub.10)alkynyl; a radical --SiR.sup.6.Type: GrantFiled: June 5, 1995Date of Patent: April 18, 2000Assignee: Targor GmbHInventors: Jurgen Rohrmann, Frank Kuber
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Patent number: 5962361Abstract: A method of making a solid, substantially dry olefin polymerization procatalyst precursor is disclosed whereby a solid precursor containing magnesium and titanium is formed in a slurry or solution, the solid then is separated from the solution and then dried at a temperature above 50.degree. C. for over an hour. Solid, substantially dry olefin polymerization procatalyst precursors made by the method also are disclosed, whereby the precursors are easier to handle, have better flowability, reduced clumpness and provide catalysts that can be used to produce polymers having improved extrudability, less filter clogging, less "talc"-like polymer particles of <10 micron in size and reduced polymer product segregation in storage.Type: GrantFiled: October 14, 1998Date of Patent: October 5, 1999Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventor: Michael Philip Zum Mallen