Nonmetallic Organic Nitrogen Containing Patents (Class 502/123)
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Patent number: 6841502Abstract: New ligands and compositions with bridged bis-aromatic ligands are disclosed that catalyze the polymerization of monomers into polymers. These catalysts with metal centers have high performance characteristics, including higher comonomer incorporation into ethylene/olefin copolymers, where such olefins are for example, 1-octene, propylene or styrene. The catalysts also polymerize propylene into isotactic polypropylene.Type: GrantFiled: April 23, 2003Date of Patent: January 11, 2005Assignee: Symyx Technologies, Inc.Inventors: Thomas R. Boussie, Oliver Brümmer, Gary M. Diamond, Christopher Goh, Anne M. LaPointe, Margarete K. Leclerc, James A. W. Shoemaker
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Patent number: 6841498Abstract: Disclosed is a new titanium based catalyst system for (co)-polymerizing ethylene or ethylene with alpha-olefin having 3 to 10 carbons. The catalyst is obtained by contacting a magnesium halide support with an aluminum compound and with a titanium halide compound and then treating the resulting solid with a magnesium-amide complex. The catalyst system is suitable for producing ethylene polymer and co-polymer with narrow molecular weight distribution as well as improved branching compositional distribution.Type: GrantFiled: February 12, 2003Date of Patent: January 11, 2005Assignee: Formosa Plastic Corporation, U.S.A.Inventors: Gapgoung Kong, Zhongyang Liu, Honglan Lu
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Patent number: 6841501Abstract: A catalyst system for the polymerization of olefins comprising the product obtained by contacting: (A) at least one transition metal organometallic compound, pyrrolidyl bis(?-cyclopentadienyl)methylzirconium being excluded, and (B) an organometallic compound obtained by contacting: a) a Lewis base having formula (I): ?wherein Ra, Rb, Rc and Rd, equal to or different from each other, are selected from the group consisting of hydrogen, halogen, linear or branched, saturated or unsaturated, C1-C10 alkyl, C6-C20 aryl, C7-C20 arylalkyl and C7-C20 alkylaryl groups; with b) a Lewis acid of formula (II) MtR13??(II) ?wherein Mt is a metal belonging to Group 13 of the Periodic Table of th Elements; R1, equal to or different from each other, are selected from the group consisting of halogen, halogenated C6-C20 aryl and halogenated C7-C20 alkylaryl groups; and (C) optionally an alkylating agent.Type: GrantFiled: March 28, 2003Date of Patent: January 11, 2005Assignee: Basell Poliolefine Italia S.p.A.Inventors: Luigi Resconi, Simona Guidotti
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Publication number: 20040167016Abstract: New polymerization catalyst activators are disclosed which include a heterocyclic compound, which may or may not be substituted, and an aluminum alkyl or an aluminoxane. Supported activators of the invention include the heterocyclic compound, combined with an alkylaluminum or aluminoxane, and a support material, preferably a silica support material. Also disclosed are methods for preparing these catalyst activators and polymerization processes utilizing same.Type: ApplicationFiled: December 12, 2003Publication date: August 26, 2004Inventors: Matthew W. Holtcamp, David Arthur Cano
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Patent number: 6730626Abstract: Useful as a catalyst component for polymerizing olefin is the transition metal compound of the present invention represented by Formula (I): wherein M represents a transition metal compound of the fourth group in the periodic table; X represents a &sgr; bonding ligand; Y represents a Lewis base; T represents a group containing a &sgr; bonding atom; E is a specific group containing an atom which can coordinate with M via a lone pair; q is 1 or 2 and represents [(valency of M)−2]; r represents an integer of 0 to 3; R1 to R4 represent a hydrogen atom, a halogen atom, a hydrocarbon group, a halogen-containing hydrocarbon group, a silicon-containing group or a hetero atom-containing group.Type: GrantFiled: May 31, 2002Date of Patent: May 4, 2004Assignee: Idemitsu Petrochemical Co., Ltd.Inventors: Takashi Kashiwamura, Takuji Okamoto
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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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Publication number: 20040077489Abstract: A catalyst for the polymerisation of 1-olefins is disclosed, which comprises (1) a compound of Formula B wherein M is Fe[II], Fe[III], Co[I], Co[II], Co[III], Mn[I], Mn[II], Mn[III], Mn[IV], Ru[II], Ru[III] or Ru[IV]; X represents an atom or group covalently or ionically bonded to the transition metal M; T is the oxidation state of the transition metal M and b is the valency of the atom or group X; R1, R2, R3, R4, R5, R6 and R7 are independently selected from hydrogen, halogen, hydrocarbyl, substituted hydrocarbyl, heterohydrocarbyl or substituted heterohydrocarbyl; and when any two or more of R1-R7 are hydrocarbyl, substituted hydrocarbyl, htctrohydrocarbyl or substituted heterohydrocarbyl, said two or more can be linked to form one or more cyclic substituents; and (2) a further catalyst. Copolymers made using the catalyst having specific physical properties are also disclosed.Type: ApplicationFiled: September 23, 2003Publication date: April 22, 2004Applicant: BP Chemicals LimitedInventors: Brian Stephen Kimberley, Peter James Maddox, Stephen Roy Partington
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Publication number: 20040063573Abstract: The present invention provides a novel chelated catalyst for olefin polymerization and an olefin polymerization method using the chelated catalyst. The catalyst of the invention is a liquid titanium compound chelated with an imidazole ligand. The method for olefin polymerization of the present invention is performed using the liquid titanium compound as a main catalyst component.Type: ApplicationFiled: November 3, 2003Publication date: April 1, 2004Inventor: Gap-Goung Kong
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Publication number: 20040054101Abstract: This process for preparing a catalyst support for the homopolymerization or copolymerization of ethylene and &agr;-olefins is characterized in that at least one organochlorine compound and a premix of at least one alkylmagnesium and of at least one organoaluminum compound chosen from aluminoxanes, aluminosiloxanes and alkylaluminums are reacted together, in the presence of at least one aliphatic diether as electron donor.Type: ApplicationFiled: September 9, 2003Publication date: March 18, 2004Inventors: Thierry Saudemont, Jean Malinge, Jean-Loup Lacombe
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Patent number: 6703338Abstract: New polymerization catalyst activators are disclosed which include a heterocyclic compound, which may or may not be substituted, and an aluminum alkyl or an aluminoxane. Supported activators of the invention include the heterocyclic compound, combined with an alkylaluminum or aluminoxane, and a support material, preferably a silica support material. Also disclosed are methods for preparing these catalyst activators and polymerization processes utilizing same.Type: GrantFiled: June 28, 2002Date of Patent: March 9, 2004Assignee: Univation Technologies, LLCInventors: Matthew W. Holtcamp, David Arthur Cano
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Publication number: 20040029720Abstract: Methods for preparing olefin polymers, and catalysts for preparing olefin polymers are disclosed. The polymers can be prepared by contacting the corresponding monomers with a Group 8-10 transition metal catalyst and a solid support. The polymers are suitable for processing in conventional extrusion processes, and can be formed into high barrier sheets or films, or low molecular weight resins for use in synthetic waxes in wax coatings or as emulsions.Type: ApplicationFiled: June 26, 2003Publication date: February 12, 2004Applicant: Eastman Chemical CompanyInventors: Peter Borden Mackenzie, Leslie Shane Moody, Christopher Moore Killian, Gino Georges Lavoie
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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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Publication number: 20040005983Abstract: New polymerization catalyst activators are disclosed which include a heterocyclic compound, which may or may not be substituted, and an aluminum alkyl or an aluminoxane. Supported activators of the invention include the heterocyclic compound, combined with an alkylaluminum or aluminoxane, and a support material, preferably a silica support material. Also disclosed are methods for preparing these catalyst activators and polymerization processes utilizing same.Type: ApplicationFiled: June 28, 2002Publication date: January 8, 2004Inventors: Matthew W. Holtcamp, David Arthur Cano
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Patent number: 6657026Abstract: A catalyst for the polymerization of 1-olefins which includes (1) a compound of Formula B wherein M is Fe[II], Fe[III], Co[I], Co[II], Co[III], Man[I], Man[II], Mn[III], Mn[IV], Ru[II], Ru[III] or Ru[IV]; X represents an atom or group covalently or ionically bonded to the transition metal M; T is the oxidation state of the transition metal M and b is the valency of the atom or group X; R1, R2, R3, R4, R5, R6 and R7 are independently selected form hydrogen, halogen, hydrocarbyl, substituted hydrocarbyl, heterohydrocarbyl or substituted heterohydrocarbyl; and when any two ore more of R1-R7 are hydrocarbyl, substituted hydrocarbyl, heterohydrocarbyl or substituted heterohydrocarbyl, said two or more can be linked to form one or more cyclic substituents; and (2) a further catalyst.Type: GrantFiled: September 11, 2000Date of Patent: December 2, 2003Assignee: BP Chemicals LimitedInventors: Brian Stephen Kimberley, Peter James Maddox, Stephen Roy Partington
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Publication number: 20030220189Abstract: Process for preparing a catalyst composition for ethylene polymerization or copolymerization, with the steps of: (a) treating at least one magnesium alkoxide compound with the effluent waste from a process for production of a polypropylene catalyst of the Ziegler-Natta type, the effluent waste being mainly composed of about 10 to about 20 wt.-% transition metal based compounds, about 20 to about 50 wt.-% solvents, about 0 to about 2 wt.-% electron donors and impurities; (b) washing the product of step (a) with an inert hydrocarbon solvent; and (c) drying the material for use as the catalyst composition.Type: ApplicationFiled: May 16, 2003Publication date: November 27, 2003Inventor: Mansour Izzat Taftaf
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Patent number: 6649713Abstract: The present invention relates to a process for preparation of polyolefin/inorganic component nanocomposite by in-situ polymerization, in which, a clay is first organically modified and then silica or titanium dioxide nanometer particles are incorporated into the layers of crystal sheets of the clay by sol-gel method. And a metallocene catalyst is then loaded on the above-mentioned material and a finished catalyst is obtained. The said catalyst is used for in-situ polymerization of ethylene or propylene, and polyolefin/clay nanocomposite is finally obtained. The process for preparation of the catalyst according to the present invention is simple, and the mechanical properties of the nanocomposite are high. For example, the Young's modulus and the tensile strength thereof are in the ranges of 700-2600 Mpa, and 20-55 MPa respectively.Type: GrantFiled: April 24, 2002Date of Patent: November 18, 2003Assignee: Changchun Institute of Applied Chemistry Chinese Academy of ScienceInventors: Tao Tang, Liangming Wei, Baolong Huang
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Publication number: 20030199388Abstract: The present invention relates to catalyst components for the polymerization of olefins, and to the catalyst obtained therefrom, particularly suitable for the stereospecific polymerization of olefins, comprising Ti, Mg, halogen and an electron donor compound selected from heteroatom containing esters of malonic acids (hereroatom containing malonates). Said catalyst components when used in the polymerization of olefins, and in particular of propylene, are capable to give polymers in high yields and with high isotactic index expressed in terms of high xylene insolubility.Type: ApplicationFiled: June 6, 2003Publication date: October 23, 2003Inventors: Giampiero Morini, Giulio Balbontin, Yuri V. Gulevich
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Patent number: 6610627Abstract: A catalyst precursor having the formula: AqMLn wherein each A has the formula: M is a metal selected from the group consisting of Group elements; each L is a monovalent, bivalent, or trivalent anion; X and Y are each heteroatoms; Cyclo is a cyclic moiety; each R1 is a group containing 1 to 50 atoms selected from the group consisting of hydrogen and Group 13 to 17 elements, and two or more adjacent R1 groups may be joined to form a cyclic moiety; each R2 is a group containing 1 to 50 atoms selected from the group consisting of hydrogen and Group 13 to 17 elements, and two or more adjacent R2 groups may be joined to form a cyclic moiety; Q is a bridging group; each m is independently an integer from 0 to 5; n is an integer from 1 to 4; q is 1 or 2; and when q is 2, the A groups are optionally connected by a bridging group Z is provided. The catalyst precursor, when combined with an activating cocatalyst, is useful for the polymerization of olefins.Type: GrantFiled: October 24, 2001Date of Patent: August 26, 2003Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventor: Rex Eugene Murray
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Publication number: 20030130108Abstract: The present invention provides a Ziegler-Natta catalyst useful in solution processes for the polymerization of olefins having a low amount of aluminum and magnesium. The catalysts of the present invention contain an alkyl silanol and have a molar ratio of Si:Ti from 0.25:1 to 4:1. The catalysts are effective for the solution polymerization of olefins at high temperatures.Type: ApplicationFiled: December 9, 2002Publication date: July 10, 2003Applicant: NOVA Chemicals (International) S.A.Inventor: Isam Jaber
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Patent number: 6590046Abstract: The present invention relates to a catalyst for polymerization of olefin and the method of polymerization using the same, or more particularly, to a new catalyst for polymerization of olefin of a hybrid concept and the method of polymerization using the same, which comprises synthesizing a titanium compound chelated by means of amide and cyclopentadiene-based ligands, and activating the same by means of conventional MgCl2, etc., instead of using expensive methylaluminoxane. Moreover, the present invention can produce polymers of narrow distribution of molecular weights and even distribution of composition of co-polymers.Type: GrantFiled: May 24, 2001Date of Patent: July 8, 2003Assignee: Samsung General Chemicals Co., Ltd.Inventors: Gap-Goung Kong, Seung-Hwan Jung, Won Lee, Yong-Hwan Kim
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Patent number: 6576724Abstract: A catalytic composition for the dimerization, the codimerization or the oligomerization of olefins results from the dissolution of at least one nickel complex that contains a heterocyclic carbene in a liquid mixture that comprises at least one ammonium halide or quaternary phosphonium halide, at least one aluminum halide and optionally at least one organometallic aluminum compound. It is used in a process of dimerization, codimerization or oligomerization of olefins.Type: GrantFiled: March 23, 2001Date of Patent: June 10, 2003Assignee: Institut Francais du PetroleInventors: Helene Olivier-Bourbigou, Dominique Commereuc, Stephane Harry
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Patent number: 6559088Abstract: Provided is a catalyst system for polymerization of monomer having at least one Ziegler-Natta polymerizable bond comprising: c) a supported Ziegler-Natta transition metal catalyst component comprising a Group 15 atom having two groups selected from the group consisting of alkyl and aryl, wherein the support is a magnesium halo dialkylamide; and d) an effective co-catalyst.Type: GrantFiled: February 22, 1999Date of Patent: May 6, 2003Assignee: Fina Technology, Inc.Inventors: Edwar Shoukri Shamshoum, Hong Chen, Margarito Lopez
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Publication number: 20030054943Abstract: A metallocene catalyst may be temporarily and reversibly passivated by contact with an effective amount of a passivating compound selected from the group of oxygen, oxygen-containing compounds, and nitrogen-containing compounds.Type: ApplicationFiled: September 12, 2002Publication date: March 20, 2003Inventor: Brian S. Kimberley
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Patent number: 6534432Abstract: A method and catalyst system for economically producing aromatic carbonates from aromatic hydroxy compounds. In one embodiment, the present invention provides a method of carbonylating aromatic hydroxy compounds by contacting at least one aromatic hydroxy compound with oxygen and carbon monoxide in the presence of a carbonylation catalyst system that includes a catalytic amount of an inorganic co-catalyst containing zinc. In various alternative embodiments, the carbonylation catalyst system can include an effective amount of a palladium source and an effective amount of a halide composition. Further alternative embodiments can include catalytic amounts of various inorganic co-catalyst combinations.Type: GrantFiled: September 15, 2000Date of Patent: March 18, 2003Assignee: General Electric CompanyInventors: James Lawrence Spivack, Donald Wayne Whisenhunt, Jr., James Norman Cawse, Bruce Fletcher Johnson
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Patent number: 6500906Abstract: This invention relates to transition metal catalyst component chelated by chelate ligand, a catalytic system comprising the transition metal catalyst component in the presence of magnesium halide, and a process for olefin polymerization using the catalytic system. The preparation of chelated transition metal catalyst component[A] are prepared by the unique synthetic method, in which Mg[AlR′(OR)3]2 reacts with chelate ligand to form Mg—Al-chelate ligand complex containing chelate ligand, and this complex reacts with metal halide compound to prepare chelated transition metal compound which is quite soluble in non-polar solvents. The olefin polymerization is performed using a catalytic system comprising the chelated transition metal catalyst component[A], MgCl2 support component[C], and an organoaluminum cocatalyst component[B].Type: GrantFiled: February 3, 2000Date of Patent: December 31, 2002Assignee: Samsung General ChemicalsInventors: Gap-Goung Kong, Sung-Cheol Yoon, Gyo-Hyun Hwang
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Patent number: 6482902Abstract: The present invention relates to a catalyst system comprising metallocene, cocatalyst, support material and, if desired, further organometallic compounds. The catalyst system can advantageously be used for the polymerization of olefins, where the use of aluminoxanes such as methylaluminoxane (MAO), which usually has to be used in a large excess, as cocatalyst can be dispensed with and a high catalyst activity and good polymer morphology are nevertheless achieved.Type: GrantFiled: July 13, 2000Date of Patent: November 19, 2002Assignee: Targor GmbHInventors: Hans Bohnen, Cornelia Fritze
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Patent number: 6455648Abstract: A process is provided which comprises preparing an olefin oligomerization or trimerization catalyst system and producing olefins in the presence of the olefin oligomerization or trimerization catalyst system and a solvent, wherein said catalyst system preparation comprises the steps of first contacting a chromium source and a pyrrole-containing compound to form a chromium/pyrrole mixture; second, contacting said chromium/pyrrole mixture with a metal alkyl to form a catalyst system; and then contacting said catalyst system with an alpha-olefin, preferably ethylene.Type: GrantFiled: December 29, 1999Date of Patent: September 24, 2002Assignee: Chevron Phillips Chemical Company LPInventors: Jeffrey W. Freeman, Warren M. Ewert, Bruce E. Kreischer, Ronald D. Knudsen, Glyndal D. Cowan
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Patent number: 6444603Abstract: The invention relates to a catalyst component which can provide, in combination with a transition metal compound, a catalyst for ethylenically unsaturated monomer polymerization, a catalyst comprising the catalyst component and a transition metal compound, and a process for ethylenically unsaturated monomer polymerization using the catalyst. The catalyst component comprises a compound obtained by the reaction of, in any order, (i) a compound comprising a metal of Group 13 of the periodic table; (ii) a compound capable of reacting with the compound (i) to be bonded to two or more of the Group 13 metal; (iii) a compound capable of reacting the compound (i); and optionally (iv) a hydrocarbon compound or the like.Type: GrantFiled: December 21, 1998Date of Patent: September 3, 2002Assignee: Mitsui Chemicals, Inc.Inventors: Yasushi Tohi, Haruyuki Makio, Terunori Fujita, Toshiyuki Tsutsui
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Patent number: 6444604Abstract: Supported catalysts for the polymerization of olefins comprise the following components: (A) a porous organic support functionalised with groups having active hydrogen atoms; (B) an organo-metallic compound of aluminium containing heteroatoms selected from oxygen, nitrogen and sulphur; and (C) a compound of a transition metal selected from those of groups IVb, Vb or VIb of the Periodic Table of the Elements, containing ligands of the cyclopentadienyl type. These supported catalysts, obtainable in the form of spherical particles, can be used in the polymerization reaction of olefins either in liquid or in gas phase, thus producing polymers endowed with a controlled morphology and with a high bulk density.Type: GrantFiled: June 8, 2000Date of Patent: September 3, 2002Assignee: Basell Technology Company BVInventors: Enrico Albizzati, Tiziano Dall'Occo, Luigi Resconi, Fabrizio Piemontesi
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Patent number: 6436864Abstract: Unsaturated nitrogenous compounds are used as electron donors in conjunction with catalytic polymerization of addition polymerizable monomers such as olefins, using supported Ziegler-Natta catalysts. The electron donors may be used in the preparation of catalyst systems, thus serving as “internal” electron donors, or they may be added during or just prior to polymerization, as an “external” electron donor.Type: GrantFiled: October 6, 1999Date of Patent: August 20, 2002Assignee: SRI InternationalInventor: Christopher D. Tagge
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Patent number: 6437061Abstract: The present invention relates to MgCl2.mROH.nH2O adducts, where R is a C1-C10 alkyl, 2≦m≦4.2, 0≦n≦0.7 , characterized by an X-ray diffraction spectrum in which, in the range of 2&thgr; diffraction angles between 5° and 15°, the three main diffraction lines are present at diffraction angles 2&thgr; of 8.8±0.2°, 9.4±0.2° and 9.8±0.2°, the most intense diffraction lines being the one at 2&thgr;=8.8±0.2°, the intensity of the other two diffraction lines being at least 0.2 times the intensity of the most intense diffraction line. Catalyst components obtained from the adducts of the present invention are capable to give catalysts for the polymerization of olefins characterized by enhanced activity and stereospecificity.Type: GrantFiled: July 26, 2000Date of Patent: August 20, 2002Assignee: Basell Technology Company BVInventors: Mario Sacchetti, Gabriele Govoni, Anna Fait
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Patent number: 6433111Abstract: In a process for preparing a supported catalyst which comprises the following steps: A) reacting an inorganic support material with an organometallic compound I B) reacting the support material obtained as described in A) with a metallocene complex and a compound capable of forming metallocenium ions and C) subsequently reacting the resulting material with an organometallic compound II, the supported catalyst obtained in this way or its precursor is brought into contact with a Lewis base in an amount of from 0.1 to <10 mole per mole of metallocene complex.Type: GrantFiled: December 18, 2000Date of Patent: August 13, 2002Assignee: Basell Polyolefine GmbHInventors: Marc Oliver Kristen, Heike Gregorius, Ursula Rief
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Patent number: 6423660Abstract: Supported catalysts for the polymerization of olefins comprise the following components: (A) a porous organic support functionalised with groups having active hydrogen atoms; (B) an organo-metallic compound of aluminium containing heteroatoms selected from oxygen, nitrogen and sulphur; and (C) a compound of a transition metal selected from those of groups IVb, Vb or VIb of the Periodic Table of the Elements, containing ligands of the cyclopentadienyl type. These supported catalysts, obtainable in the form of spherical particles, can be used in the polymerization reaction of olefins either in liquid or in gas phase, thus producing polymers endowed with a controlled morphology and with a high bulk density.Type: GrantFiled: January 9, 1998Date of Patent: July 23, 2002Assignee: Basell Technology Company BVInventors: Enrico Albizzati, Tiziano Dall'Occo, Luigi Resconi, Fabrizio Piemontesi
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Publication number: 20020065379Abstract: A catalyst precursor having the formula:Type: ApplicationFiled: October 24, 2001Publication date: May 30, 2002Inventor: Rex Eugene Murray
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Patent number: 6395670Abstract: The present invention relates to catalyst components for the polymerization of olefins having Mg, Ti, halogen and at least two internal electron donor compounds, said catalyst components characterized by the fact that at least one of the electron donor compounds is selected from ethers containing two or more ether groups which are further characterized by the formation of complexes with anhydrous magnesium dichloride in an amount less than 60 mmoles per 100 g of MgCl2 and by the failure of entering into substitution reactions with TiCl4 or by reacting in that way for less than 50% by moles, and at least another electron donor compound selected from esters of mono or polycarboxylic acids. Said catalyst components are able to produce propylene polymers which, for high values of xylene insolubility, show a broad range of isotacticity.Type: GrantFiled: May 6, 1999Date of Patent: May 28, 2002Assignee: Basell Technology Company BVInventors: Giampiero Morini, Giulio Balbontin, Gianni Vitale
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Patent number: 6395668Abstract: It is disclosed a new catalyst system for the polymerization of olefins comprising the product obtainable by contacting the following components: (A) one or more compounds of a late transition metal belonging to Group 8-11 of the Periodic Table; and (B) the reaction product of water with one or more organometallic aluminum compounds of formula (IV): Al(CH2—CR3R4R5)xR6yHz, wherein R3 is a C1-C20 alkyl, C3-C20 cycloalkyl or C7-C20 alkylaryl radical; R4 is different from a straight alkyl and is a C3-C20 alkyl, C3-C20 cycloalkyl, C6-C20 aryl, C7-C20 alkylaryl or C7-C20 arylalkyl radical; or R3 and R4 form together a C4-C6 ring; R5 is hydrogen or a C1-C20 alkyl, C6-C20 aryl, C7-C20 alkylaryl or arylalkyl radical; R6 is a C1-C20 alkyl, C3-C20 cycloalkyl, C6-C20 aryl, C7-C20 alkylaryl or C7-C20 arylalkyl radical; x is 1-3; z is 0-1; and y is 3−x−z; the molar ratio between said organometallic aluminum compound and water being comprised between 0.5:1 and 100:1.Type: GrantFiled: June 13, 2001Date of Patent: May 28, 2002Assignee: Basell Technology Company BVInventors: Jan F. van Baar, Peter A. Schut, Andrew D. Horton, Tiziano Dall'Occo
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Publication number: 20020058768Abstract: Methods for preparing olefin polymers, and catalysts for preparing olefin polymers are disclosed. The polymers can be prepared by contacting the corresponding monomers with a Group 8-10 transition metal catalyst and a solid support. The polymers are suitable for processing in conventional extrusion processes, and can be formed into high barrier sheets or films, or low molecular weight resins for use in synthetic waxes in wax coatings or as emulsions.Type: ApplicationFiled: October 30, 2001Publication date: May 16, 2002Inventors: Peter Borden Mackenzie, Leslie Shane Moody, Christopher Moore Killian, Gino Georges Lavoie
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Patent number: 6388029Abstract: Catalytic systems particularly suitable for the polymerization of &agr;-olefins containing from two to 20 carbon atoms, as well as for the copolymerization of ethylene with &agr;-olefins containing from three to 20 carbon atoms, dienes, and cycloalkenes in processes wherein the catalyst is suspended in a solvent, in processes in gas phase, as well as in mass polymerization processes at high temperatures and pressures, are disclosed. The catalytic system is a mixture of a catalyst component A and a co-catalyst component B. The catalyst component A is formed by a functionalized inorganic porous oxide, by an organoaluminium compound and by an organometallic compound of a metal of the groups 3, 4, 5, or 6 of the periodic table. Functionalization of the inorganic oxide is by introduction of functional groups to be used to strongly fix the organoaluminium compound and the organometallic compound.Type: GrantFiled: May 31, 2000Date of Patent: May 14, 2002Assignee: Repsol Quimica S.A.Inventors: Gerardo Hidalgo Llinas, Bego{overscore (n)}a Pe{overscore (n)}a Garcia, Antonio Mu{overscore (n)}oz-Escalona, Jose Sancho Royo
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Publication number: 20020049135Abstract: Catalyst compositions useful for the polymerization of olefins are disclosed. These compositions comprise a Group 8-10 metal complex comprising a bidentate or variable denticity ligand comprising one or two nitrogen donor atom or atoms independently substituted by an aromatic or heteroaromatic ring(s), wherein the ortho positions of said ring(s) are substituted by aryl or heteroaryl groups. Also disclosed are processes for the polymerization of olefins using the catalyst compositions.Type: ApplicationFiled: August 31, 2001Publication date: April 25, 2002Inventors: Leslie Shane Moody, Peter Borden Mackenzie, Christopher Moore Killian, Gino Georges Lavoie, James Allen Ponasik, Thomas William Smith, Jason Clay Pearson, Anthony Gerard Martin Barrett
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Patent number: 6365688Abstract: The invention relates to an organometallic compound comprising a central transition metal atom and a ligand coordinated thereto having a heteroatomic ring structure, characterized in that the ligand includes at least three nitrogen atoms, three of them being bonded to the same carbon atom.Type: GrantFiled: December 16, 1999Date of Patent: April 2, 2002Assignee: Borealis Technology OyInventors: Ove Andell, Janne Maaranen
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Patent number: 6337297Abstract: A catalyst for trimerization of ethylene is disclosed which comprises (a) a chromium complex having a neutral multidentate ligand having a tripod structure, represented by the formula, ACrJnQ3-n wherein A is a neutral multidentate ligand having a tripod structure, J is a carbonyl ligand or halogen, n is an integer of 0-3, and Q is at least one member selected from hydrogen, a C1-C10 hydrocarbon group, a C1-C10 carboxylate group, a C3-C10 diketonato group, an amide group, an imide group, an C1-C10 alkoxide group, a C1-C10 thioalkoxide group, an C6-C15 arene ligand, an C2-C10 alkene ligand, an C2-C15 alkyne ligand, an amine ligand, an imine ligand, an isonitrile ligand, a phosphine ligand, a phosphine oxide ligand, a phosphite ligand, an ether ligand, a sulfide ligand, a sulfone ligand and a sulfoxide ligand, and (b) a metal alkyl compound.Type: GrantFiled: December 9, 1999Date of Patent: January 8, 2002Assignee: Tosoh CorporationInventors: Hideyuki Mimura, Motohiro Oguri, Toshihide Yamamoto, Hideyuki Murakita, Hisanori Okada, Toru Yoshida
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Patent number: 6333292Abstract: Novel compounds are disclosed comprising the skeletal unit depicted in Formula (I) wherein O is oxygen; N is nitrogen; R1 is hydrogen, hydrocarbyl, substituted hydrocarbyl, heterohydrocarbyl or substituted heterohydrocarbyl; R3, R4, R5 and R6 are hydrogen or hydrocarbyl or heterohydrocarbyl groups containing 1 to 10 carbon atoms and the R12 groups are independently selected from hydrogen, hydrocarbyl, substituted hydrocarbyl, heterocarbyl and substituted heterocarbyl; A is carbon or silicon; and r is 1 or more; M is scandium, yttrium, or a Group IV or Group V metal or a lanthanide or actinide; T is the oxidation state of M and is II or greater; X represents a monodentate atom or group covalently or ionically bonded to M; L is a mono- or bidentate molecule datively bound to M, and n is from 0 to 5.Type: GrantFiled: April 28, 1999Date of Patent: December 25, 2001Assignee: BP Chemicals LimitedInventors: Vernon Charles Gibson, Brian Stephen Kimberley
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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: 6323148Abstract: An ethylene polymerization catalyst and catalyst system which provides an ethylene copolymer which is characterized by desirable ER shift values. The high level ER shift of these polymers produce films having high impact strength. The catalyst is prepared by treating a support material with an agent selected from the group consisting of a compound having the structural formula BX53, where X5 is fluorine, chlorine, bromine, iodine or OR5, where R5 is C1-C6 alkyl; a compound having the structural formula X62 where X6 is fluorine, bromine or iodine; a compound having the structural formula NR6, where R6 is C1-C6 alkyl or OR7, where R7 is C1-C8 alkyl; and a compound having the structural formula Ti(OR8)4, where R8 is C1-C6 alkyl or phenyl to reduced surface hydroxyl group concentration of the support material. The thus treated support material is thereupon contacted with a dialkylmagnesium compound or complex, an alcohol compound or a silane compound and a transition metal compound, in that order.Type: GrantFiled: November 17, 1999Date of Patent: November 27, 2001Assignee: Equistar Chemicals, LPInventor: Mark K. Reinking
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Patent number: 6320005Abstract: A catalyst precursor having the formula: AqMLn wherein each A has the formula: M is a metal selected from the group consisting of Group 3 to 13 elements and Lanthanide series elements; each L is a monovalent, bivalent, or trivalent anion; X and Y are each heteroatoms; Cyclo is a cyclic moiety; each R1 is a group containing 1 to 50 atoms selected from the group consisting of hydrogen and Group 13 to 17 elements, and two or more adjacent R1 groups may be joined to form a cyclic moiety; each R2 is a group containing 1 to 50 atoms selected from the group consisting of hydrogen and Group 13 to 17 elements, and two or more adjacent R2 groups may be joined to form a cyclic moiety; Q is a bridging group; each m is independently an integer from 0 to 5; n is an integer from 1 to 4; q is 1 or 2; and when q is 2, the A groups are optionally connected by a bridging group Z is provided. The catalyst precursor may be made by reacting an organometal compound with a heteroatom-containing ligand.Type: GrantFiled: December 8, 1999Date of Patent: November 20, 2001Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventor: Rex Eugene Murray
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Publication number: 20010031840Abstract: There are disclosed:Type: ApplicationFiled: March 16, 2001Publication date: October 18, 2001Inventors: Shin-Ichi Kumamoto, Makoto Satoh
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Patent number: 6303720Abstract: Methods for preparing olefin polymers, and catalysts for preparing olefin polymers are disclosed. The polymers can be prepared by contacting the corresponding monomers with a Group 8-10 transition metal catalyst. The polymers are suitable for processing in conventional extrusion processes, and can be formed into high barrier sheets or films, or low molecular weight resins for use in synthetic waxes in wax coatings or as emulsions.Type: GrantFiled: May 12, 2000Date of Patent: October 16, 2001Assignee: Eastman Chemical CompanyInventors: Peter Borden Mackenzie, Leslie Shane Moody, Christopher Moore Killian, James Allen Ponasik, Jr., Jason Patrick McDevitt, Gino Georges Lavoie
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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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Patent number: 6291614Abstract: A catalyst activator particularly adapted for use in the activation of metal complexes of metals of Group 3-10 for polymerization of ethylenically unsaturated polymerizable monomers, especially olefins, comprising: a compound corresponding to the formula: ArfzAl2Q16-z where; Q1 independently each occurrence is selected from C1-20 alkyl; Arf is a fluorinated aromatic hydrocarbyl moiety of from 6 to 30 carbon atoms; z is a number greater than 0 and less than 6, and the moiety: ArfzAl2Q16-z is an adduct of tri(fluoroarylaluminum) with from a sub-stoichiometric to a super-stoichiometric amount of a trialkylaluminum having from 1 to 20 carbons in each alkyl group.Type: GrantFiled: August 9, 1999Date of Patent: September 18, 2001Assignee: The Dow Chemical CompanyInventors: Eugene Y. Chen, William J. Kruper, Jr.
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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