Plural Unsaturated 5-membered Carbocyclic Rings Bonded Directly To The Metal Patents (Class 556/53)
-
Patent number: 7678934Abstract: A transition metal compound represented by the following formula (2a):Type: GrantFiled: August 4, 2008Date of Patent: March 16, 2010Assignee: Mitsui Chemicals, Inc.Inventors: Naritoshi Hirota, Hiromu Kaneyoshi, Munehito Funaya, Koji Kawai, Nobuo Kawahara
-
Patent number: 7674867Abstract: The invention relates to a process for the preparation of a metal-organic compound, comprising at least one phosphinimine ligand, characterized in that the HA adduct of a phosphinimine ligand according to formula (1) is contacted with a metal-organic reagent of formula (2) in the presence of 1, respectively 2 equivalents of a base, wherein HA represents an acid, of which H represents its proton and A its conjugate base, with Y?N—H as formula (1), and Mv(L1)k(L2)l(L3)m(L4)nX as formula (2), and wherein Y is a substituted phosphorous atom, and M represents a group 4 or group 5 metal ion, V represents the valency of the metal ion, being 3, 4 or 5 L1, L2, L3, and L4 represent a ligand or a group 17 halogen atom on M and may be equal or different, k, l, m, n=0, 1, 2, 3, 4 with k+l+m+n+1=V, and X represents a group 17 halogen atom.Type: GrantFiled: August 3, 2004Date of Patent: March 9, 2010Assignee: DSM IP Assets B.V.Inventors: Edwin Ijpeij, Henricus Arts, Gerardus van Doremaele, Felix Beijer, Francis Van der Burgt, Martin Alexander Zuideveld
-
Patent number: 7671226Abstract: The present invention relates to a transition metal complex represented by the formula (I): wherein M represents a Group 4 transition metal; —Y— represents (a): —C(R1)(R20)-A-, (b): —C(R1)(R20)-A1(R30)—, (c): —C(R1)=A1-, or (d): —C(R1)=A1-A2-R30; A represents a Group 16 element and A1 and A2 each represents a Group 15 element; R1 to R9, R20, and R30 are the same or different and each represents an optionally substituted hydrocarbon group, etc.; and X1 and X2 are the same or different and each represents a hydrogen atom, a halogen atom, an optionally substituted C1-10 alkyl group, etc., and an intermediate product thereof, and a catalyst for olefin polymerization which comprises said transition metal complex as a component.Type: GrantFiled: September 12, 2008Date of Patent: March 2, 2010Assignee: Sumitomo Chemical Company, LimitedInventors: Hidenori Hanaoka, Eiji Yoshikawa, Yuka Imamoto
-
Patent number: 7671223Abstract: The present invention relates to a process for the racemoselective preparation of ansa-metallocene complexes of the formula (I) which comprises reacting a ligand starting compound of the formula (II) with a transition metal compound of the formula (III) (LB)yM1(NR3R4)Xx-1??(III) where R1, R1? are identical or different and are each hydrogen or an organic radical having from 1 to 40 carbon atoms, R2, R2? are identical or different and are each hydrogen or an organic radical having from 1 to 40 carbon atoms, R3 is an organic radical having from 1 to 40 carbon atoms, R4 is hydrogen or an organic radical having from 1 to 40 carbon atoms, T, T? are identical or different and are each a divalent organic group which has from 1 to 40 carbon atoms and together with the cyclopentadienyl ring forms at least one further saturated or unsaturated, substituted or unsubstituted ring system which has a ring size of from 5 to 12 atoms, where T and T? may contain the heteroatoms Si, Ge, N, P, As, Sb, O, S, Se or TeType: GrantFiled: May 4, 2005Date of Patent: March 2, 2010Assignee: Basell Polyolefine GmbHInventors: Valerie Garcia, Patrik Müller, Christian Sidot, Christian Tellier, Ludovic Delancray, Reynald Chevalier
-
Patent number: 7667064Abstract: A metallocene compound is represented by the formula (1): AMXn-1 wherein M is a transition metal atom having a coordination number of n selected from Group 3, 4, 5 or 6 of the Periodic Table of Elements, or a lanthanide metal atom, or actinide metal atom; A is a substituted monocyclic or polycyclic arenyl ligand pi-bonded to M, wherein said arenyl ligand includes at least one halogen substituent directly bonded to any sp2 carbon atom at a bondable ring position of the ligand; and the or each X is a univalent anionic ligand, or two X are joined and bound to the metal atom to form a metallocycle ring, or two X are joined to form a chelating ligand, a diene ligand, or an alkylidene ligand.Type: GrantFiled: December 14, 2005Date of Patent: February 23, 2010Assignee: ExxonMobil Chemical Patents Inc.Inventors: Alexander Z. Voskoboynikov, Alexey N. Ryabov, Dmitry V. Uborsky, Alexander V. Lygin, Catalina L. Coker, Jo Ann M. Canich
-
Patent number: 7655592Abstract: The invention relates to a process for the preparation of a metal-organic compound, comprising at least one phosphinimine ligand, characterized in that the HA adduct of a phosphinimine ligand according to formula (1) is contacted with a metal-organic reagent of formula (2) in the presence of at least 2 equivalents of a base, wherein HA represents an acid, of which H represents its proton and A its conjugate base, with Y?N—H as formula (1), and Mv(L1)k(L2)1(L3)m(L4)nX as formula (2), and wherein Y is a substituted phosphorous atom, and M represents a group 4 or group 5 metal ion, V represents the valency of the metal ion, being 3, 4 or 5 L1, L2, L3, and L4 represent a ligand or a group 17 halogen atom on M and may be equal or different, k, l, m, n=0, 1, 2, 3, 4 with k+l+m+n+l=V, and X represents a group 17 halogen atom.Type: GrantFiled: August 3, 2004Date of Patent: February 2, 2010Assignee: DSM IP Assets B.V.Inventors: Edwin Ijpeij, Henricus Arts, Gerardus van Doremaele, Felix Beijer, Francis Van Der Burgt, Martin Alexander Zuideveld
-
Patent number: 7652160Abstract: This invention relates to catalyst compositions, methods, and polymers encompassing at least one Group 4 metallocene compound comprising bridging ?5-cyclopentadienyl-type ligands, typically in combination with at least one cocatalyst, and at least one activator. The compositions and methods disclosed herein provide ethylene polymers with low levels of long chain branching.Type: GrantFiled: February 10, 2009Date of Patent: January 26, 2010Assignee: Cheveron Phillips Chemical Company, L.P.Inventors: Qing Yang, Michael D. Jensen, Joel L. Martin, Matthew G. Thorn, Max P. McDaniel, Youlu Yu, David C. Rohlfing
-
Patent number: 7645715Abstract: The present invention relates to a bis-arylaryloxy catalyst system for the production of ethylene homopolymers or copolymers with ?-olefins, which has high catalytic activity. More particularly, it relates to a transition metal catalyst comprising a group-IV transition metal as a central metal, a cyclopentadiene derivative around the central metal, and two aryloxide ligands substituted with aryl derivatives at the ortho-positions, the ligands not being bridged to each other, as well as a catalyst system comprising said catalyst and an aluminoxane co-catalyst or a boron compound co-catalyst, and a method for producing high-molecular-weight ethylene homopolymers or copolymers with ?-olefins using the same.Type: GrantFiled: April 23, 2007Date of Patent: January 12, 2010Assignee: SK Energy Co., Ltd.Inventors: Myung-Ahn Ok, Jong-sok Hahn, Dae Ho Shin, Sang-Ook Kang, Tae Eung Kim
-
Patent number: 7635783Abstract: The present invention relates to a process for the meso-selective preparation of ansa-metallocene complexes of the formula (I), which comprises reacting a ligand starting compound of the formula (II) with a transition metal compound of the formula III, where R1, R1 are identical or different and are each hydrogen or an organic radical having from 1 to 40 carbon atoms, R2, R2 are identical or different and are each hydrogen or an organic radical having from 1 to 40 carbon atoms, R3 is a bulky organic radical which has at least 3 carbon atoms, is bound to the oxygen atom via a nonaromatic carbon or silicon atom and may be substituted by halogen atoms or further organic radicals having from 1 to 20 carbon atoms and may also contain heteroatoms selected from the group consisting of Si, N, P, O and S, T, T? are identical or different and are each a divalent organic group which has from 1 to 40 carbon atoms and together with the cyclopentadienyl ring forms at least one further saturated or unsaturated, substitutedType: GrantFiled: December 15, 2004Date of Patent: December 22, 2009Assignee: Basell Polyolefine GmbHInventors: Reynald Chevalier, Patrik Müller, Christian Sidot, Christian Tellier, Valerie Garcia, Ludovic Delancray
-
Publication number: 20090311453Abstract: Molding composition comprising polyethylene and having a density in the range from 0.915 to 0.955 g/cm, an MI in the range from 0 to 3.5 g/10 min, an MFR in the range from 5 to 50, a polydispersity Mw/Mn in the range from 5 to 20, and a z-average moiar mass Mz of less than 1 million g/mol, a process for preparing such a composition, a catalyst suitable for the preparation of the same, as well as films comprising this molding composition.Type: ApplicationFiled: April 15, 2006Publication date: December 17, 2009Applicant: BASELL POLYOLEFINE GMBHInventors: Shahram Mihan, Dieter Lilge, Heinz Vogt, Jennifer Kipke, Rainer Karer
-
Patent number: 7629481Abstract: Provided are a bridged metallocene compound particularly suitable for copolymerization of ethylene and alpha-olefin or cyclic olefin, a process of preparing the metallocene compound, and a process of preparing polyolefin using the metallocene compound. The bridged metallocene compound has low steric hindrance and good (co)polymerization activity, and thus, exhibits good activity in copolymerization of ethylene and alpha-olefin such as 1-hexene or 1-octene. Furthermore, the process of preparing the bridged metallocene compound is simplified, and thus, suitable for mass production.Type: GrantFiled: September 23, 2005Date of Patent: December 8, 2009Assignee: LG Chem, Ltd.Inventors: Choong Hoon Lee, Jong Joo Ha, Seung Whan Jung, Eunjung Lee, Beomdoo Seo, Young Whan Park, Hyosun Lee, Sung Don Hong, Young Chul Won, Bun Yeoul Lee
-
Patent number: 7619106Abstract: The invention relates to a process for preparing hydrogenated or partially hydrogenated, racemic ansa-metallocene complexes by reacting bridged or unbridged transition metal complexes with alkali metal compounds or alkaline earth metal compounds, heating the resulting reaction mixture to a temperature in the range from ?78 to 250° C. and at least partially hydrogenating the reaction products in the presence of a suitable catalyst, to the corresponding hydrogenated or partially hydrogenated metallocenes and to their use as catalysts or as a constituent of catalysts for the polymerization of olefinically unsaturated compounds or as reagents or catalysts in stereoselective synthesis.Type: GrantFiled: October 22, 2003Date of Patent: November 17, 2009Assignee: Basell Polyolefine GmbHInventors: Hans-Robert-Hellmuth Damrau, Patrik Müller, Valerie Garcia, Christian Sidot, Christian Tellier, Stéphanie Duchiron, Jean-Francois Lelong
-
Publication number: 20090281342Abstract: This invention relates to catalyst compositions, methods, and polymers encompassing at least one Group 4 metallocene compound comprising bridging ?5-cyclopentadienyl-type ligands, typically in combination with at least one cocatalyst, and at least one activator. The compositions and methods disclosed herein provide ethylene polymers with low levels of long chain branching.Type: ApplicationFiled: February 10, 2009Publication date: November 12, 2009Inventors: Qing Yang, Michael D. Jensen, Joel L. Martin, Matthew G. Thorn, Max P. McDaniel, Youlu Yu, David C. Rohlfing
-
Patent number: 7615660Abstract: The present invention provides a process for producing an alkoxy-titanium complex of formula (2) by reacting a titanium halide complex of formula (1) with an alkaline earth metal alkoxide: wherein A denotes a Group 14 element in a periodic table; R1, R2, R3, and R4 are the same or different and denote a hydrogen atom, halogen, a C1-20 alkyl group which may be substituted by halogen, a C6-20 aryl group which may be substituted by halogen, or the like; R5, R6, R7, R8, R9, and R10 are the same or different and independently denote a hydrogen atom, halogen, a C1-20 alkyl group which may be substituted by halogen, or the like; and X1 and X2 independently denote any halogen atom: wherein R11 and R12 are the same or different and independently denote a C1-20 alkyl group which may be substituted by halogen, or the like.Type: GrantFiled: January 24, 2006Date of Patent: November 10, 2009Assignee: Sumitomo Chemical Company, LimitedInventors: Taichi Senda, Hidenori Hanaoka
-
Patent number: 7615597Abstract: A process for producing a polymer of ethylene containing from 0.1 to 99% by mol of one or more derived units of alpha-olefins and optionally from 0 to 5% by mol polyene, comprising contacting ethylene, one or more alpha-olefins and optionally said polyene, in the presence of a catalyst system obtainable by contacting: a) a metallocene compound of formula (I): wherein M is zirconium, hafnium or titanium; X, is a hydrogen atom, a halogen atom, or a hydrocarbon group; R1 is a hydrocarbon group; R2, R3, R4 and R5 are hydrogen atoms, or hydrocarbon groups; R6 is a hydrocarbon group; L is a divalent bridging group, and T is a divalent radical of formula (II) or (III): wherein R8 and R9 are hydrogen or hydrocarbon groups; and b) an alumoxane or a compound capable of forming an alkyl metallocene cation.Type: GrantFiled: August 19, 2003Date of Patent: November 10, 2009Assignee: Basell Polyolefine GmbHInventors: Luigi Resconi, Anna Fait, Nicoletta Mascellani
-
Patent number: 7601666Abstract: A compound represented by the formula: where: M is a transition metal selected from group 4 of the periodic table; each R1 is independently selected from the group consisting of hydrogen, hydrocarbyl, substituted hydrocarbyl and functional group, and any two R1 groups may be linked, provided that if the two R1 groups are linked, then they do not form a butadiene group when M is Zr; R3 is carbon or silicon; R4 is hydrogen, hydrocarbyl, substituted hydrocarbyl or a functional group; R5 is hydrogen, hydrocarbyl, substituted hydrocarbyl or a functional group, R4 and R5 may be bound together to form a ring; R6 is carbon or silicon; each R7 is hydrogen; each R8 is independently selected from the group consisting of hydrogen, methyl, ethyl, propyl, butyl, pentyl, hexyl and the isomers thereof; R10 is -M2(R16)h— where M2 is B, Al, N, P, Si or Ge, h is 1 or 2; each R9, R11, R13 and R14 and R16 is hydrogen, hydrocarbyl, substituted hydrocarbyl or a functional group, and two R16 groups may be linked together to fType: GrantFiled: July 8, 2005Date of Patent: October 13, 2009Assignee: ExxonMobil Chemical Patents Inc.Inventors: Francis C. Rix, Smita Kacker, Sudhin Datta, Rul Zhao, Vetkav R. Eswaran
-
Patent number: 7589160Abstract: A process for obtaining 1-butene polymers comprising the step of contacting under polymerization conditions 1-butene and optionally ethylene, propylene or said alpha-olefin, in the presence of a catalyst system obtainable by contacting: a) a metallocene compound of formula (I): wherein: M is an atom of a transition metal belonging to group 3, 4, 5, 6 or to the lanthanide or actinide groups in the Periodic Table of the Elements; p is an integer from 0 to 3; X, is a hydrogen atom, a halogen atom, or a hydrocarbon group; R1 is a hydrocarbon group; R2, R3 and R6 are hydrogen atoms or hydrocarbon groups; R4 and R5 join to form a condensed saturated or unsaturaded 4–7 membered ring; and L is a divalent bridging group; and b) an alumoxane or a compound able to form an alkylmetallocene cation.Type: GrantFiled: November 3, 2003Date of Patent: September 15, 2009Assignee: Basell Polyolefine GmbHInventors: Luigi Resconi, Antonio Cascio Ingurgio
-
Patent number: 7579417Abstract: A metallocene compound of formula (I) wherein: M is an atom of a transition metal; X, same or different, is a hydrogen atom, a halogen atom, or a R, OR, OSO2CF3, OCOR, SR, NR2 or PR2 group, wherein R is C1-C40 hydrocarbon group; L is a divalent bridging group; R1, is a C1-C40 hydrocarbon group; R3 is a C1-C40 hydrocarbon group; R2, R4, R5, R6, R7 and R8, equal to or different from each other, are hydrogen atoms or C1-C40 hydrocarbon groups.Type: GrantFiled: November 16, 2004Date of Patent: August 25, 2009Assignee: Basell Polyolefine GmbHInventors: Ilya Nifant'ev, Pavel V. Ivchenko, Ilya V. Tajdakov, Luigi Resconi
-
Publication number: 20090198078Abstract: Catalyst compositions comprising a first metallocene compound, a second metallocene compound, an activator-support, and an organoaluminum compound are provided. An improved method for preparing cyclopentadienyl complexes used to produce polyolefins is also provided.Type: ApplicationFiled: January 21, 2009Publication date: August 6, 2009Inventors: Kumudini C. Jayaratne, Michael D. Jensen, Qing Yang
-
Patent number: 7569713Abstract: The invention discloses a method for making a hydrogenated metallocene catalyst component comprising the steps of: 1. Providing a compound comprising at least one aromatic group; 2. Hydrogenating the at least one aromatic group in the presence of hydrogen and a hydrogenation catalyst to form a hydrogenated compound; and 3. Forming a metallocene catalyst component from the hydrogenated compound from step 2.Type: GrantFiled: March 2, 2004Date of Patent: August 4, 2009Assignee: Total Petrochemicals Research FeluyInventor: Abbas Razavi
-
Patent number: 7557171Abstract: A metallocene compound comprising a transition metal, a first substituted or unsubstituted indenyl or fluorenyl ligand pi—bonded to the transition metal, a second monoanionic ligand bonded to the transition metal, and a divalent bridging group bonded to the indenyl ligand and said second monoanionic ligand, wherein said bridging group is connected to the four, five, six or seven position of the indenyl ligand or to the one, two, three, four, five, six, seven or eight position of the fluorenyl ligand, and wherein at least one of one of the first and second ligands comprises at least one halogen substituent directly bonded to any sp2 carbon atom at a bondable ring position of the ligand.Type: GrantFiled: December 14, 2005Date of Patent: July 7, 2009Assignee: ExxonMobil Chemical Patents Inc.Inventors: Alexander Z. Voskoboynikov, Mikhail V. Nikulin, Vyatcheslav V. Izmer, Andrey F. Asachenko, Alexey N. Ryabov, Catalina L. Coker, Jo Ann M. Canich
-
Publication number: 20090171041Abstract: The present invention provides polymerization catalyst compositions employing novel dinuclear metallocene compounds. Methods for making these new dinuclear metallocene compounds and for using such compounds in catalyst compositions for the polymerization and copolymerization of olefins are also provided.Type: ApplicationFiled: December 28, 2007Publication date: July 2, 2009Applicant: Chevron Phillips Chemical CompanyInventors: Rex E. Murray, Kumudini C. Jayaratne, Qing Yang, Joel L. Martin
-
Patent number: 7550544Abstract: A metallocene compound is represented by the formula (1): wherein: M is a Group 3, 4, 5 or 6 transition metal atom, or a lanthanide metal atom, or actinide metal atom, preferably a Group 4 transition metal atom selected from titanium, zirconium or hafnium; E is a substituted or unsubstituted monocyclic or polycyclic arenyl ligand pi-bonded to M; A is a substituted or unsubstituted polycyclic arenyl ligand that is pi-bonded to M and has a different ring structure than the E ligand; at least one of the A and E ligands includes at least one halogen substituent directly bonded to an sp2 carbon at a bondable ring position; Y is a bridging group containing at least one Group 13, 14, 15, or 16 element and any single position of the ring structure of A and to any single position of the ring structure of E; and y is zero or 1, indicating the absence (y=0) or presence (y=1) of Y; and each X is a univalent anionic ligand, or two X are joined and bound to the metal atom to form a metallocycle ring, or two X are joineType: GrantFiled: December 14, 2005Date of Patent: June 23, 2009Assignee: ExxonMobil Chemical Patents Inc.Inventors: Alexander Z. Voskoboynikov, Alexey N. Ryabov, Mikhail V. Nikulin, Alexander V. Lygin, Catalina L. Coker, Jo Ann M. Canich
-
Patent number: 7544826Abstract: Monocyclopentadienyl complexes in which the cyclopentadienyl system bears at least one bridged donor and at least one aryl group and a catalyst system comprising at least one of the monocyclopentadienyl complexes, and also processes for preparing them, the use of the catalyst system for the polymerization or copolymerization of olefins and a process for preparing polyolefins by polymerization or copolymerization of olefins in the presence of the catalyst system and the preparation of the associated cyclopentadienyl system.Type: GrantFiled: December 14, 2004Date of Patent: June 9, 2009Assignee: Basell Polyolefine GmbHInventors: Shahram Mihan, Markus Enders, Pablo Fernandez
-
Patent number: 7538168Abstract: A metallocene compound comprises a transition metal and at least one substituted monocyclic or polycyclic arene ligand bonded to the transition metal, wherein said arene ligand comprises at least one halogen substituent directly bonded to an sp2 carbon atom at a bondable ring position of an aromatic five-membered ring of said arene ligand.Type: GrantFiled: December 14, 2005Date of Patent: May 26, 2009Assignee: ExxonMobil Chemical Patents Inc.Inventors: Alexander Z. Voskoboynikov, Alexey N. Ryabov, Mikhail V. Nikulin, Alexander V. Lygin, Vyatcheslav V. Izmer, Andrey F. Asachenko, Catalina L. Coker, Jo Ann M. Canich
-
Patent number: 7531458Abstract: Organometallic compounds containing an electron donating group-substituted alkenyl ligand are provided. Such compounds are particularly suitable for use as vapor deposition precursors. Also provided are methods of depositing thin films, such as by ALD and CVD, using such compounds.Type: GrantFiled: September 29, 2006Date of Patent: May 12, 2009Assignee: Rohm and Haas Electronics Materials LLPInventors: Deodatta Vinayak Shenai-Khatkhate, Qing Min Wang
-
Patent number: 7524906Abstract: The invention relates to a process for the preparation of a metal-organic compound, comprising at least one imine ligand, characterized in that an imine ligand according to formula 1, or the HA adduct thereof, wherein HA represents an acid, of which H represents its proton and A its conjugate base, is contacted with a metal-organic reagent of formula 2 in the presence of at least 1, respectively 2 equivalents of an inorganic or metal-organic base, wherein Y?N-R (formula 1), Y is selected from a substituted carbon, nitrogen or phosphorous atom, R represents a proton, a protic or an aprotic substituent, and the metal organic compound is: MV(L1)k(L2)l(L3)m(L4)nX (formula 2) wherein: M represents a group 4 or group 5 metal ion, V represents the valency of the metal ion, being 3, 4 or 5, L1, L2, L3, and L4 represent ligands on M and may be equal or different, X represents a group 17 halogen atom, and k, 1, m, n=0, 1, 2, 3, 4 with k+l+m+n+l=V.Type: GrantFiled: August 3, 2004Date of Patent: April 28, 2009Assignee: DSM IP Assets B.V.Inventors: Edwin IJpeij, Henricus Arts, Gerardus van Doremaele, Felix Beijer
-
Patent number: 7521572Abstract: Catalyst compositions comprising a first metallocene compound, a second metallocene compound, an activator-support, and an organoaluminum compound are provided. An improved method for preparing cyclopentadienyl complexes used to produce polyolefins is also provided.Type: GrantFiled: February 12, 2007Date of Patent: April 21, 2009Assignee: Chevron Phillips Chemical Company, LPInventors: Kumudini C. Jayaratne, Michael D. Jensen, Qing Yang
-
Publication number: 20090099310Abstract: Disclosed is a novel transition metal compound which is used for forming a metallocene catalyst for olefin polymerization. Specifically disclosed is a novel transition metal compound represented by the general formula below which enables to form a metallocene catalyst that has a balanced reactivity with ethylene and a comonomer selected from ?-olefins having 3-20 carbon atoms and enables to produce an ?-olefin polymer having a high molecular weight. Also specifically disclosed are a catalyst for olefin polymerization containing such a transition metal compound, and a method for producing a propylene/ethylene-?-olefin block copolymer wherein such a catalyst is used.Type: ApplicationFiled: April 17, 2007Publication date: April 16, 2009Applicant: JAPAN POLYPROPYLENE CORPORATIONInventors: Hisashi Ohtaki, Naoshi Iwama, Masami Kashimoto, Tomohiro Kato, Tsutomu Ushioda
-
Publication number: 20090082195Abstract: A catalyst composition and method for olefin polymerization are provided. In one aspect, the catalyst composition is represented by the formula ?a?b?gMXn wherein M is a metal; X is a halogenated aryloxy group; ? and ? are groups that each comprise at least one Group 15 atom; ? is a linking moiety that forms a chemical bond to each of ? and ?; and a, b, g, and n are each integers from 1 to 4.Type: ApplicationFiled: November 25, 2008Publication date: March 26, 2009Applicant: Univation Technologies, LLCInventors: Timothy T. Wenzel, Zondra Dee Dixon
-
Patent number: 7507688Abstract: Monocyclopentadienyl complexes in which the cyclopentadienyl system bears at least one unsubstituted, substituted or fused, 5-membered heteroaromatic ring system bound via a specific bridge, a catalyst system comprising at least one of the monocyclopentadienyl complexes, the use of the catalyst system for the polymerization or copolymerization of olefins and a process for preparing polyolefins by polymerization or copolymerization of olefins in the presence of the catalyst system and polymers obtainable in this way.Type: GrantFiled: December 5, 2003Date of Patent: March 24, 2009Assignee: Basell Polyolefine GmbHInventors: Shahram Mihan, Ilya Nifant'ev, Cristina Nicoara, Markus Enders
-
Publication number: 20090005338Abstract: A medicament containing a compound of the following formulas (Ia) and (Ib): wherein Z is selected from the group consisting of a covalent bond, at least one at least divalent hetero atom, a saturated, unsaturated, branched, unbranched and/or cyclic, substituted or unsubstituted hydrocarbon chain, a saturated or unsaturated, branched, unbranched and/or cyclic, substituted or unsubstituted hydrocarbon chain provided with hetero atoms in the chain thereof, or combinations thereof; R?1 to R?4 and R?1 to R?5 independently represent H, at least one hetero atom, especially oxygen, nitrogen or halogens, a saturated, unsaturated, branched, unbranched and/or cyclic, substituted or unsubstituted hydrocarbon chain, a saturated or unsaturated, branched, unbranched and/or cyclic, substituted or unsubstituted hydrocarbon chain provided with hetero atoms in the chain thereof, or combinations thereof; the two cyclopentadienyl rings are optionally linked together via any of residues R?1 to R?5; R1 and R2 independently rType: ApplicationFiled: November 19, 2007Publication date: January 1, 2009Applicants: Charite - Universitatsmedizin Berlin, Rheinische Friedrich-Wilhelms-Universitat BonnInventors: Andreas Gansauer, Aram Prokop, Anja Selig, Dieter Franke
-
Patent number: 7470759Abstract: A method of producing a polymer comprising contacting in a reaction zone under conditions suitable for polymerization of an alpha-olefin monomer with a metallocene catalyst having at least three asymmetric centers, and recovering an alpha-olefin polymer from the reaction zone. A method of polymerizing propylene comprising contacting in a reaction zone propylene, a cocatalyst, and a metallocene catalyst having the formula including stereoisomers: and recovering polypropylene from the reaction zone. A polypropylene composition having a tensile modulus from 40,000 psi to 300,000 psi, a tensile strength at yield from 2,000 psi to 6,000 psi, a tensile strength at break from 1,000 psi to 3,500 psi, a tensile strength from 1,000 psi to 5,000 Kpsi, an elongation at yield of greater than or equal to 10%, and an elongation at break from 50% to 500%.Type: GrantFiled: July 31, 2006Date of Patent: December 30, 2008Assignee: Fina Technology, Inc.Inventors: Vladimir Marin, Abbas Razavi
-
Patent number: 7468452Abstract: The present invention is directed to a method of making a ligand which can be used to form an ansa-metallocene. Further, the present invention is directed to a method of making the ansa-metallocene. In both methods the process steps employed to form the ligand are conducted in the presence of tetrahydrofuran, a substituted tetrahydrofuran, tetrahydropyran, a substituted tetrahydropyran or ethylene glycol dimethyl ether.Type: GrantFiled: December 12, 2007Date of Patent: December 23, 2008Assignee: Chevron Phillips Chemical Company LPInventors: Joel L. Martin, Albert P. Masino, Qing Yang
-
Patent number: 7468451Abstract: Process for preparing halide metallocene compounds comprising the step of reacting the dialkyl derivative with a halogenating agent of formula R3xTLw wherein: L is chlorine, iodine or bromine; R3 is hydrogen or a hydrocarbon group; T is a metal of groups 2-14 of the periodic table of the elements; and x is ?1 so that x+w is equal to the oxidation state of the metal T.Type: GrantFiled: April 29, 2004Date of Patent: December 23, 2008Assignee: Basell Polyolefine GmbHInventors: Simona Guidotti, Davide Balboni
-
Publication number: 20080312461Abstract: A transition metal compound represented by the following formula (2a):Type: ApplicationFiled: August 4, 2008Publication date: December 18, 2008Inventors: Shigenobu Ikenaga, Keiji Okada, Hiroshi Takayasu, Norihide Inoue, Naritoshi Hirota, Hiromu Kaneyoshi, Munehito Funaya, Koji Kwawi, Nobuo Kawahara, Shinichi Kojoh, Norio Kashiwa, Ryoji Mori
-
Patent number: 7465688Abstract: An isomerization process comprising the step of contacting a slurry or a solution comprising the meso or meso-like form of one or more bridged metallocene compounds of group 4 of the Periodic Table of the Elements having C2 or C2-like symmetry with an isomerization catalyst of formula (I) [R4W]+X? (I) wherein: W is a nitrogen or a phosphorus atom; R, equal to or different from each other, are C1-C40 hydrocarbon radicals and X? is an halide atom.Type: GrantFiled: September 7, 2004Date of Patent: December 16, 2008Assignee: Basell Polyolefine GmbHInventors: Simona Guidotti, Davide Balboni
-
Publication number: 20080282970Abstract: Precursors suitable for chemical vapour deposition, especially ALD, of hafnium oxide or zirconium oxide, have the general formula: (R1Cp)2MR2 wherein Cp represents a cyclopentadienyl ligand, R1 is H or a substituting alkyl group, alkoxy group or amido group of the Cp ligand, R2 is an alkyl group, an alkoxy group or an amido group and M is hafnium or zirconium.Type: ApplicationFiled: June 8, 2006Publication date: November 20, 2008Inventors: Peter Nicholas Heys, Paul Williams, Fuquan Song
-
Patent number: 7453005Abstract: A transition metal compound useful as a component of a catalyst for olefin polymerization and a highly active polymerization catalyst capable of producing a high molecular weight olefin polymer. The catalyst for olefin polymerization contains a transition metal compound represented by formula (1) wherein M is a metal element of the groups 3 to 10 of the Periodic Table or a lanthanoid; X represents a ligand having a sigma bond for binding to M, and when X is plural, the Xs may be the same or different; Y represents a Lewis base, and when Y is plural, the Ys may be the same or different; A1 and A2 represent crosslinking groups and at least one thereof has a boron or phosphorous atom as a crosslinking atom; q is an integer of 1 to 5 and equals [(the valance of M)?2]; r is an integer of 0 to 3; and Q1 and Q2 have a specific structure, and Q1 and Q2 may be different or the same.Type: GrantFiled: January 24, 2005Date of Patent: November 18, 2008Assignee: Idemitsu Kosan Co., Ltd.Inventors: Takuji Okamoto, Takashi Kashiwamura
-
Patent number: 7452949Abstract: The present invention relates to organometallic transition metal compounds of the formula (I)Type: GrantFiled: December 6, 2004Date of Patent: November 18, 2008Assignee: Basell Polyolefine GmbHInventors: Yoshikuni Okumura, Ilya Nifant'ev, Michael J. Elder, Pavel V. Ivchenko, Vladimir V. Bagrov
-
Publication number: 20080281139Abstract: [PROBLEMS] To provide a catalyst for dimerizing propylene which has excellent propylene dimerization activity and a method of producing 4-methyl-1-pentene using the catalyst. [MEANS FOR SOLVING PROBLEMS] A catalyst for dimerizing propylene which contains a transition metal complex [A], and as needed, at least one compound [B] selected from the group consisting of an organometallic compound (b-1), an organoaluminumoxy compound (b-2), and a compound (b-3) which reacts with the transition metal complex [A] to form an ion pair, and a method of dimerizing propylene using the catalyst.Type: ApplicationFiled: February 7, 2006Publication date: November 13, 2008Applicant: MITSUI CHEMICALS, INC.Inventors: Jun Okuda, Yasuhiko Suzuki
-
Patent number: 7446216Abstract: A metallocene compound is represented by the formula (1): A2YyMXn-2 wherein: M is a transition metal atom having a coordination number of n selected from Group 3, 4, 5 or 6 of the Periodic Table of Elements, or a lanthanide metal atom, or actinide metal atom; each A is independently a substituted polycyclic arenyl ligand pi-bonded to M, each A ligand includes at least one halogen substituent directly bonded to an sp2 carbon at a bondable ring position and, when each A is a substituted indenyl ligand and y is equal to one and the ligand includes at least one chloro, bromo or iodo substituent at the 4, 5, or 6 position of the indenyl ligand, then A also includes at least one other substituent in the indenyl ligand selected from hydrocarbyl, substituted hydrocarbyl, halogen, halocarbyl, substituted halocarbyl, silylcarbyl, substituted silylcarbyl, germylcarbyl, substituted germylcarbyl, or other heteroatom substituents wherein the heteroatom is bonded directly to a ring carbon of the ring structure ligand anType: GrantFiled: December 14, 2005Date of Patent: November 4, 2008Assignee: ExxonMobil Chemical Patents Inc.Inventors: Alexander Z. Voskoboynikov, Alexey N. Ryahov, Mikhail V. Nikulin, Alexander V. Lygin, Vyatcheslav V. Izmer, Andrey F. Asachenko, Catalina L. Coker, Jo Ann M. Canich
-
Patent number: 7439379Abstract: The present invention relates to a transition metal complex represented by the formula (I): wherein M represents a Group 4 transition metal; —Y— represents (a): —C(R1)(R20)-A-, (b): —C(R1)(R20)-A1(R30)-, (c): —C(R1)=A1-, or (d): —C(R1)=A1-A2-R30; A represents a Group 16 element and A1 and A2 each represents a Group 15 element; R1 to R9, R20, and R30 are the same or different and each represents an optionally substituted hydrocarbon group, etc.; and X1 and X2 are the same or different and each represents a hydrogen atom, a halogen atom, an optionally substituted C1-10 alkyl group, etc., and an intermediate product thereof, and a catalyst for olefin polymerization which comprises said transition metal complex as a component.Type: GrantFiled: September 12, 2002Date of Patent: October 21, 2008Assignee: Sumitomo Chemical Co., Ltd.Inventors: Hidenori Hanaoka, Eiji Yoshikawa, Yuka Imamoto
-
Patent number: 7439378Abstract: The present invention relates to a novel fulvene compound and a preparation method thereof, and more particularly to a fulvene compound having substituted groups in the 2- and 5-positions, prepared from an unsaturated ketone having a substituted group in the ?-position and a halogen atom in the ?-position, and a preparation method thereof. The present invention also relates to a metallocene catalyst having a substituted group in the ?-position carbon of the bridge of the cyclopentadienyl group only by reaction of a fulvene compound and an anion group including the cyclopentadienyl group, and a preparation method of a polyolefin copolymer using the same.Type: GrantFiled: March 15, 2007Date of Patent: October 21, 2008Assignee: LG Chem, Ltd.Inventors: Young-Whan Park, Si-Geun Lee, Sung-Don Hong, Kwang-Ho Song, Boong-Goon Jeong, Dae-Woo Nam, Bun-Yeol Lee, Choong-Hoon Lee, Hyo-Sun Lee
-
Patent number: 7432336Abstract: The present invention relates to propylene based copolymers and to processes for producing propylene based copolymers, particularly propylene-ethylene copolymers. These unique copolymers are prepared using metallocene catalysts.Type: GrantFiled: March 18, 2004Date of Patent: October 7, 2008Assignee: ExxonMobil Chemical Patents Inc.Inventor: Patrick Brant
-
Publication number: 20080242812Abstract: Cycloolefin copolymers which are distinguished by the presence of racemic diads of repeating polycyclic units and additionally by racemic triads of repeating polycyclic units are described. These copolymers can be prepared by copolymerization of polycyclic olefins with linear olefins in the presence of metallocene catalysts which have no Cs symmetry in relation to the centroid-M-centroid plane. The novel copolymers can be used for the production of shaped articles, in particular of films.Type: ApplicationFiled: March 19, 2008Publication date: October 2, 2008Inventors: Dieter Ruchatz, Anne-Meike Schauwienold, Peter Jorg
-
Patent number: 7405261Abstract: The present invention relates to compounds of the formula (I): where M1 is an element of group 3, 4, 5 or 6 of the Periodic Table, X are halogen, hydrogen, C1-C20-alkyl, C2-C20-alkenyl, C6-C22-aryl, alkylaryl or arylalkyl, n is a natural number from 1 to 4. R1 is hydrogen or a C1-C40 radical, R2 is a substituted or unsubstituted C6-C40-aryl radical or C2-C40-heteroaromatic radical containing at least one heteroatom, R3 is hydrogen or a C1-C40 radical, or the radicals R2 and R3 together form a ring system, R4 is hydrogen or a C1-C40 radical, R5 is a C1-C40 radical, and Z is a divalent group CR8R9—CR10R11, where R8, R9, R10 and R11 are hydrogen or a C1-C40 radical.Type: GrantFiled: December 2, 2003Date of Patent: July 29, 2008Assignee: Basell Polyolefine GmbHInventors: Jörg Schulte, Jörg Schottek, Yoshikuni Okumura
-
Publication number: 20080171651Abstract: The present invention provides a process for preparing a low molecular weight olefin (co)polymer having a narrow molecular weight distribution with high productivity, by polymerizing or copolymerizing an olefin in the presence of an olefin polymerization catalyst comprising (A) a specific Group 4 transition metal compound, and (B) at least one compound selected from the group consisting of (B-1) an organometallic compound, (B-2) an organoaluminum compound, (B-3) an organoaluminum oxy-compound, and (B-4) a compound which reacts with the Group 4 transition metal compound (A) to form an ion pair; and compounds useful in that process.Type: ApplicationFiled: May 24, 2007Publication date: July 17, 2008Applicant: Mitsui Chemicals, Inc.Inventors: Yasushi Tohi, Naomi Urakawa, Koji Endo, Koji Kawai, Kazunori Okawa, Chiemi Okawa, Toshiyuki Tsutsui
-
Patent number: 7388062Abstract: The present invention discloses a metallocene catalyst component based on a Group IIIb metal of the periodic Table and a bridged heteroatom-fluorenyl ligand. It also discloses its method of preparation and its use in polymerisation.Type: GrantFiled: March 4, 2004Date of Patent: June 17, 2008Assignee: Fina Technology, Inc.Inventors: Abbas Razavi, Jean-François Carpentier, Evgueni Kirillov
-
Patent number: 7358381Abstract: The invention relates to a process for preparing racemic metallocene complexes by reacting transition metal complexes with cyclopentadienyl derivatives of alkali metals or alkaline earth metals and heating the reaction mixture obtained in this way to a temperature in the range from ?78 to 250° C., to the corresponding metallocene complexes themselves and to their use as catalysts or as constituents of catalysts for the polymerization of olefinically unsaturated compounds or as reagents or catalysts in stereoselective synthesis.Type: GrantFiled: October 22, 2003Date of Patent: April 15, 2008Assignee: Basell Polyolefine GmbHInventors: Hans-Robert-Hellmuth Damrau, Patrik Müller, Valerie Garcia, Christian Sidot, Christian Tellier, Jean-François Lelong, Eric Huriez