Plural Unsaturated 5-membered Carbocyclic Rings Bonded Directly To The Metal Patents (Class 556/53)
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Patent number: 7342078Abstract: A process for the polymerization of olefins, in particular a process for the copolymerization of propylene with further olefins, is carried out in the presence of highly active catalyst systems comprising specifically selected metallocenes, in particular ones which bear different substituents in position 2 and position 4 on an indenyl ligand. Novel polypropylene copolymers can be obtained by this process.Type: GrantFiled: December 13, 2000Date of Patent: March 11, 2008Assignee: Basell Polyolefine GmbHInventors: Jörg Schottek, Markus Oberhoff, Carsten Bingel, David Fischer, Horst Weiβ, Andreas Winter, Volker Fraaije, Ralph-Dieter Maier, Wolfgang Bidell, Nicola Paczkowski, Jürgen Suhm, Roland Kratzer
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Patent number: 7332618Abstract: This invention relates to organometallic precursor compounds represented by the formula (H)mM(R)n wherein M is a metal or metalloid, R is the same or different and is a substituted or unsubstituted, saturated or unsaturated, heterocyclic radical containing at least one nitrogen atom, m is from 0 to a value less than the oxidation state of M, n is from 1 to a value equal to the oxidation state of M, and m+n is a value equal to the oxidation state of M, a process for producing the organometallic precursor compounds, and a method for producing a film or coating from the organometallic precursor compounds.Type: GrantFiled: August 1, 2005Date of Patent: February 19, 2008Assignee: Praxair Technology, Inc.Inventor: Scott Houston Meiere
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Patent number: 7307177Abstract: A metallocene complex is represented by the the formula (CpR5)nMXk where Cp (each occurrence) is a cyclopentadienyl group; each of the five R substituents on the or each cyclopentadienyl group is independently selected from hydrogen, C1 to C30 substituted or unsubstituted hydrocarbyl, halohydrocarbyl, silylhydrocarbyl or silylhalohydrocarbyl, wherein two adjacent R substituents may be joined to form part of a saturated, partially unsaturated or aromatic monocyclic or polycyclic ring structure, and SiR?2NR?2 where each of the two R? substituents is independently selected from hydrogen, C1 to C30 substituted or unsubstituted hydrocarbyl, halohydrocarbyl, silylhydrocarbyl or silylhalohydrocarbyl, wherein two adjacent R? substituents may be joined to form part of a saturated, partially unsaturated or aromatic monocyclic or polycyclic ring structure, and each of the two R? substituents is independently selected from C2 to C30 substituted or unsubstituted hydrocarbyl, halohydrocarbyl, silylhydrocarbyl or silylhalType: GrantFiled: November 22, 2005Date of Patent: December 11, 2007Assignee: ExxonMobil Chemical Patents Inc.Inventors: Jiling Huang, legal representative, Jo Ann M. Canich, Catalina L. Coker, Yanlong Qian, deceased
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Patent number: 7285608Abstract: A catalyst system includes a metallocene compound having the formula R9 L1 L2 M1 R1 R2 wherein R9 is a bridge between ligands L1 and L2 and M1 is a metal of Group IVB of the Periodic Table such as titanium, zirconium and hafnium and R1 and R2 can be hydrogen or aliphatic or aromatic groups. Bridge R9 can include silicon, germanium or tin. The metallocene compound of the invention as synthesized has a racemic to meso isomer ratio of greater than 5 to 1, thereby precluding the need for subsequent separation of the meso isomer.Type: GrantFiled: April 21, 2004Date of Patent: October 23, 2007Assignee: Novolen Technology Holdings C.V.Inventors: Joerg Schottek, Nicola Stefanie Paczkowski, Andreas Winter, Thorsten Sell
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Patent number: 7276567Abstract: This invention relates to compounds represented by formula: wherein M is a group 3, 4, 5 or 6 transition, lanthanide, or actinide metal atom; E is an indenyl ligand substituted in any position with at least one aromatic or pseudoaromatic heterocyclic substituent that is bonded to the indenyl ring through a nitrogen or phosphorous ring heteroatom; A is a substituted or unsubstituted cyclopentadienyl, heterocyclopentadienyl, indenyl, heteroindenyl, fluorenyl, or heterofluorenyl ligand, or other mono-anionic ligand, or A may, independently, be E; Y is an optional bridging group; y is zero or one; X are, independently, univalent anionic ligands, and provided that when A is E, and y is one, and Y is bonded to the one position of each indenyl ligand, and per indenyl ligand there is only one aromatic heterocyclic or pseudoaromatic heterocyclic that is bonded to the indenyl ligand.Type: GrantFiled: March 11, 2005Date of Patent: October 2, 2007Assignee: ExxonMobil Chemical Patents Inc.Inventors: Alexander Z. Voskoboynikov, Artyom Y. Lebedev, Vyatcheslav V. Izmer, Alexey N. Ryabov, Mikhail V. Nikulin, Jo Ann M. Canich
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Patent number: 7250478Abstract: The present invention refers to a metallocene catalyst component for producing polyolefins according to formula (I) R?s (CpRn)g (CpRn) M Q3-g (I) or according to formula (II) R?(CpRn)MeXQ (II) wherein—each Cp is a substituted or unsubstituted cyclopentadienyl ring with the bridge-head position of at least one of the cyclopentadienyl rings being occupied by a silicon atom;—each R is the same or different and is hydrogen or a hydrocarbyl radical such as alkyl, alkenyl, aryl, alkylaryl or arylalkyl radical containing from 1 to 20 carbon atoms or two carbon atoms are joined together to form a C4-C6 ring; —R? is a structural bridge between two Cp rings;—M is a group IIIB, IVB, VB or VIB metal;—Q is a hydrocarbyl radical such as aryl, alkyl, alkenyl, alkylaryl or arylalkyl radical having from 1 to 20 carbon atoms, a hydrocarboxy radical having from 1 to 20 carbon atoms or a halogen and can be the same or different from each other;—s is 0 or 1, g is 0, 1 or 2 and s is 0 when g is 0, n is 4 when s is 1 and n is 5 wheType: GrantFiled: September 24, 2003Date of Patent: July 31, 2007Assignee: TOTAL Petrochemicals Research FeluyInventor: Abbas Razavi
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Patent number: 7247595Abstract: A metallocene compound represented by the following Chemical Formula 1: wherein M is a transition metal of Group 4; Cp denotes a cyclopentadienyl ring unsubstituted or substituted by hydrogen, alkyl, cycloalkyl, aryl, alkenyl, alkylaryl, arylalkyl or arylalkenyl radicals; Qs, which are the same or different, are halogen radicals, alkyl, alkenyl, aryl, alkylaryl, or arylakyl radicals having 1 to 20 carbon atoms, or alkylidene radicals having 1 to 20 carbon atoms; A? is methoxymethyl, t-butoxymethyl, tetrahydropyranyl, tetrahydrofuranyl, 1-ethoxyethyl, 1-methyl-1-methoxyethyl, or t-butyl; and a is an integer of 4 to 8. The metallocene compounds in this invention can be strongly supported on the inorganic support, and the supported catalyst of this invention allows for an olefin polymerization process without any fouling in the reactor, and produces a polymer with better morphology and bulk density.Type: GrantFiled: November 30, 2005Date of Patent: July 24, 2007Assignee: LG Chem, Ltd.Inventors: Bun-Yeoul Lee, Jae-Seung Oh, Joo-Eun Lee, Do-Hoon Lee
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Patent number: 7241849Abstract: The present invention discloses a metallocene catalyst component of formula (Flu-R?-Cp)M(?3-C3R?5)(ether)n (I) wherein Cp is a cyclopentadienyl, substituted or unsubstituted, Flu is a fluorenyl, substituted or unsubstitutted, R? is a structural bridge between Cp and Flu imparting stereorigidity to the component, M is a metal Group III of the Periodic Table, each R? is the same or different and is hydrogen or a hydrocarbyl having from 1 to 20 carbon atoms and n is 0, 1 or 2. It further discloses a process for preparing said catalyst component and its used in the controlled polymerisation of polar or non polar monomers.Type: GrantFiled: January 6, 2004Date of Patent: July 10, 2007Assignee: Total Petrochemicals Research FeluyInventors: Jean-François Carpentier, Evgueni Kirillov, Abbas Razavi
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Patent number: 7238818Abstract: A new class of heterocyclic metallocenes, a catalytic system containing them and a process for polymerizing addition polymerizable monomers using said catalytic system are disclosed; the heterocyclic metallocenes correspond to the formula (I): YjR?iZjjMeQkPl wherein Y is a coordinating group containing a six ? electron central radical directly coordinating Me, to which are associated one or more radicals containing at least one non-carbon atom selected from B, N, O, Al, Si, P, S, Ga, Ge, As, Se, In, Sn, Sb and Te; R? is a divalent bridge between the Y and Z groups; Z is a coordinating group, optionally being equal to Y; Me is a transition metal; Q is halogen or hydrocarbon substituents; P is a counterion; i is 0 or 1; j is 1–3; jj is 0–2; k is 1–3; and l is 0–2.Type: GrantFiled: March 24, 2003Date of Patent: July 3, 2007Assignee: Basell Polyolefine GmbHInventors: John A. Ewen, Michael J. Elder, Robert L. Jones, Jr., Yuri A. Dubitsky
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Patent number: 7232870Abstract: Provided is a bridged cyclopentadienyl-dicarbollide complex having the formula of {L[(Cp)(C2B9R110)]}MR in which Cp is an unsubstituted, alkyl-substituted, aryl-substituted or fused ring cyclopentadienyl, R1 is hydrogen, or alkyl, L is a bridging unit that bonds to both Cp ring and cage carbon atoms, R is alkyl, aryl or a derivative thereof and M is Ti, Zr or Hf. A process for preparing the complex disclosed herein is also provided.Type: GrantFiled: March 18, 2005Date of Patent: June 19, 2007Assignee: The Chinese University of Hong KongInventors: Zuowei Xie, Yaorong Wang, Yuepeng Cai
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Patent number: 7230128Abstract: Fluorenyl-containing metallocenes are disclosed along with methods for making the metallocenes. Also disclosed are methods for using the metallocenes as polymerization catalysts. In addition, polymers resulting from such polymerizations are disclosed.Type: GrantFiled: May 10, 2002Date of Patent: June 12, 2007Assignee: Phillips Potroleum CompanyInventors: Helmut G. Alt, Syriac J. Palackal, Konstantinos Patsidis, M. Bruce Welch, Rolf L. Geerts, Eric T. Hsieh, Max P. McDaniel, Gil R. Hawley, Paul D. Smith
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Patent number: 7223878Abstract: A process for separating inorganic and organometallic by-products from a mixture comprising at least one organometallic transition metal compound as product and at least one organometallic by-product and at least one inorganic by-product as by-products comprises the steps A) admixing the mixture comprising the product, the organometallic by-product and the inorganic by-product with a mixture comprising at least one polar organic extractant and water and separating off the undissolved residue, B) washing the residue from step A) with a nonpolar organic extractant or a mixture comprising at least one nonpolar organic extractant and at least one aprotic polar organic solvent and C) drying the residue which has been washed in step B) and comprises the organometallic transition metal compound.Type: GrantFiled: May 18, 2002Date of Patent: May 29, 2007Assignee: Basell Polyolefine GmbHInventors: Jörg Schulte, Jörg Schottek
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Patent number: 7223824Abstract: A multinuclear transition metal compound which has two or more catalytic active sites, and is useful in preparing the olefin polymer and copolymer, is disclosed. The multinuclear transition metal compound for olefin polymerization includes two or more metals, and at least one ligand having a cyclopentadienyl moiety, which connects the two or more metals. The preferable multinuclear transition metal catalyst for olefin polymerization includes the first transition metal, the first ? ligand having a cyclopentadienyl moiety, which is coordinated to the first transition metal, and the second transition metal to which the second ? ligand having a cyclopentadienyl moiety is coordinated, wherein the second transition metal is bonded to the first ?-ligand via a sigma (?) bond.Type: GrantFiled: June 30, 2005Date of Patent: May 29, 2007Assignee: Daelim Industrial Co., Ltd.Inventors: Sah-Mun Hong, Sung-Woo Kang, Young-Jae Jun, Jin-Sook Oh, Hyun-Ki Yoon
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Patent number: 7214747Abstract: This invention relates to a metallocene compounds represented by formula: wherein M is a group 3, 4, 5 or 6 transition metal atom, or a lanthanide metal atom, or actinide metal atom; E is an indenyl ligand that is substituted with a PR2 group in the two position of the indenyl ligand, where each R is, independently a hydrocarbyl, substituted hydrocarbyl, halocarbyl, or substituted halocarbyl substituent, and additionally, E may be substituted with 0, 1, 2, 3, 4, 5 or 6 Rn where each Rn is, independently, a hydrocarbyl, substituted hydrocarbyl, halocarbyl, substituted halocarbyl, silylcarbyl, substituted silylcarbyl, germylcarbyl, or substituted germylcarbyl substituent, and optionally, two or more adjacent Rn substituents may join together to form a substituted or unsubstituted, saturated, partially unsaturated, or aromatic cyclic or polycyclic substituent; A is a substituted or unsubstituted cyclopentadienyl ligand, a substituted or unsubstituted heterocyclopentadienyl ligand, a substituted or unsubstitType: GrantFiled: March 11, 2005Date of Patent: May 8, 2007Assignee: ExxonMobil Chemical Patents Inc.Inventors: Alexander Z. Voskoboynikov, Denis N. Kazyulkin, Vyatcheslav V. Izmer, Alexey N. Ryabov, Jo Ann M. Canich
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Patent number: 7214746Abstract: This invention relates to metallocene compounds represented by formula: wherein M is a group 3, 4, 5 or 6 transition metal atom, or a lanthanide metal atom, or actinide metal atom; E is a substituted or unsubstituted indenyl ligand that is bonded to Y through the two position of the indenyl ring; A is bonded to Y, and is a substituted or unsubstituted cyclopentadienyl ligand, a substituted or unsubstituted heterocyclopentadienyl ligand, a substituted or unsubstituted indenyl ligand, a substituted or unsubstituted heteroindenyl ligand, a substituted or unsubstituted fluorenyl ligand, a substituted or unsubstituted heterofluorenyl ligand, or other mono-anionic ligand, or A may, independently, be defined as E; Y is a phosphorus containing group that is bonded to both E and A, and is bonded via the phosphorus atom to E; and X are, independently, univalent anionic ligands, or both X are joined and bound to the metal atom to form a metallocycle ring, or both X join to form a chelating ligand, a diene ligand, oType: GrantFiled: March 11, 2005Date of Patent: May 8, 2007Assignee: ExxonMobil Chemical Patents Inc.Inventors: Alexander Z. Voskoboynikov, Denis N. Kazyulkin, Vyatcheslav V. Izmer, Alexey N. Ryabov, Jo Ann M. Canich
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Patent number: 7193099Abstract: The invention relates to a process for preparing racemic metallocene biphenoxide complexes by reacting bridged 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 biphenoxide complexes 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: March 20, 2007Assignee: Basell Polyolefine GmbHInventors: Hans-Robert-Hellmuth Damrau, Patrik Müller, Valerie Garcia, Christian Sidot, Christian Tellier, Jean-François Lelong
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Patent number: 7169483Abstract: Disclosed is an opto-electroactive device comprising a metallocene of the formula wherein M is zirconium or hafnium; X is halogen and R1–R5 are each independently hydrogen, aryl, alkyl, halogen or —Si(R6)3; or wherein at least two adjacent R substituents on at least one ring are joined to form a fused ring, which may be unsubstituted or substituted with aryl, alkyl, halogen or —Si(R6)3; or wherein the R1 substituents on each ring are joined to link the rings in an ansa bridge, and wherein R6 is an alkyl group, a substituted alkyl group, an aryl group or a substituted aryl group. Also disclosed is a method for making an opto-electroactive device comprising a metallocene.Type: GrantFiled: April 12, 2004Date of Patent: January 30, 2007Assignee: General Electric CompanyInventors: Larry Neil Lewis, Joseph John Shiang, Aharon Yakimov, Gautam Parthasarathy, Jie Liu, Sergei Kniajanski
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Patent number: 7166684Abstract: A novel transition metal compound wherein the transition metal belongs to group 4 of the periodic table and the transition metal compound has a hydrogen atom ligand and three cyclopentadienyl ligands comprising at least one substituted cyclopentadienyl ligand. The novel transition metal compound can be used as a component of a catalyst exhibiting high activity for olefin polymerization and is characteristic in containing no halogen element.Type: GrantFiled: October 24, 2003Date of Patent: January 23, 2007Assignee: Japan Polyethylene CorporationInventors: Takashi Seki, Hiroyuki Shimizu, Tamotsu Takahashi, Kiyohiko Nakajima, Tetsuro Fukuda
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Patent number: 7166731Abstract: There are provided a method of simply preparing a 1,4,6-substituted, 1,4-substituted, 1,6-substituted, or 1-substituted fulvene compound, the intermediates of the fulvene compound, and a method of preparing an ansa-metallocene compound in which two cyclopentadienyl ligands are bridged by one carbon and there are substituents only at positions adjacent to the bridging point of a cyclopentadienyl ligand, using the fulvene compound.Type: GrantFiled: October 13, 2004Date of Patent: January 23, 2007Assignee: LG Chem. Ltd.Inventors: Young Whan Park, Hyosun Lee, Sung Don Hong, Kwang Ho Song, Boong Goon Jeong, Dae Woo Nam, Hye Young Jung, Bun Yeoul Lee, Young Chul Won
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Patent number: 7157591Abstract: Metallocenes and catalyst systems for olefin polymerization derived therefrom. The metallocenes may be represented by the formula: wherein M1 preferably is zirconium or hafnium; and R5 is different from hydrogen.Type: GrantFiled: December 10, 2001Date of Patent: January 2, 2007Assignee: ExxonMobie Chemical Patents Inc.Inventors: Terry John Burkhardt, James Robert Hart, William Thomas Haygood, Robert Tan Li
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Patent number: 7157592Abstract: A method for producing ferrocene and other organometallic compounds of cyclopentadiene is disclosed. Dry iron chloride (or other selected metal salt) is added to a solution of cyclopentadiene, diethylamine, potassium and dibenzo-18-crown-6 ether in a cooled flask under a dry nitrogen atmosphere. The solution is mixed vigorously for a few hours and any excess diethylamine is evaporated. Ferrocene (or other organometallic compounds of cyclopentadiene) is extracted from the residue using petroleum ether, and any solvent is removed.Type: GrantFiled: December 30, 2005Date of Patent: January 2, 2007Assignee: Property Development Corporation International Ltd., Inc.Inventors: Elmira M. Ramazanova, Alimamed L. Shebanov
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Patent number: 7141637Abstract: A metallocene compound of formula (I) wherein M is zirconium, hafnium or titanium; X is hydrogen, halogen, or a hydrocarbyl radical optionally containing heteroatoms; R2, R3, R4 and R5, are hydrogen or hydrocarbyl radicals; R6 is a hydrocarbil radical; L is a divalent bridging group T is a radical of formula (II), (III), (IV) or (V), wherein R8 and R9 are a hydrogen atom or a hydrocarbyl radical. with the proviso that at least one group among R1, R5, R6 and R8 is a group of formula C(R11)2R12 wherein R11, equal to or different from each other, is an hydrocarbyl radical; and R12 is hydrogen or an hydrocarbyl radical. These compounds are fit for the preparation of propylene copolymers.Type: GrantFiled: November 28, 2002Date of Patent: November 28, 2006Assignee: Basell Polyolefine GmbHInventors: Michael J. Elder, Robert L. Jones, Jr.
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Patent number: 7141688Abstract: The present invention is directed to novel fluorinated dye stabilizers having both high quenching efficiency and solubility in halogenated solvents. These dye stabilizers have shown a significantly effect on improving the dye fastness in hostile photooxidation conditions.Type: GrantFiled: October 14, 2003Date of Patent: November 28, 2006Assignee: SiPix Imaging, Inc.Inventors: Kai-Chia Feng, Ying-Syi Li, Jin Yang, HongMei Zang, Haiyan Gu, Sundaravel P. Ananthavel, Rong-Chang Liang
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Patent number: 7122498Abstract: Metallocenes and catalyst systems for olefin polymerization derived therefrom. The metallocenes may be represented by the formula: wherein M1 preferably is zirconium or hafnium; and R12 is different from hydrogen.Type: GrantFiled: June 29, 2001Date of Patent: October 17, 2006Assignee: ExxonMobil Chemical Patents Inc.Inventors: James R. Hart, William T. Haygood, Terry J. Burkhardt, Robert T. Li
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Patent number: 7115761Abstract: A process for preparing dihalide or monohalide metallocene compounds comprising contacting a compound of formula (II) (Cp)(ZR1m)n(A)rML?y (II) wherein Cp is a cyclopentadienyl radical; (ZR1m)n is a divalent bridging group between Cp and A; A is a cyclopentadienyl radical or O, S, NR2, PR2 wherein R2 is an hydrocarbon radical, M is zirconium, titanium or hafnium.Type: GrantFiled: September 27, 2005Date of Patent: October 3, 2006Assignee: Basell Polyolefine GmbHInventors: Luigi Resconi, Davide Balboni
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Hetero cyclic metallocene compounds and use thereof in catalyst system for producing olefin polymers
Patent number: 7112638Abstract: A metallocene compound of general formula (I): LGZMXp, wherein L is a divalent group, Z is a moiety of formula (II), wherein R3 and R4 are selected from hydrogen and hydrocarbon groups; A and B are selected from S, O or CR5, wherein R5 is selected from hydrogen and hydrocarbon groups, either A or B being different from CR5; G is a moiety of formula (III), wherein R6, R7, R8 and R9 are selected from hydrogen and hydrocarbon groups, M is an atom of a transition metal, X is selected from a halogen atom, a R10, OR10, OSO2CF3, OCOR10, SR10, NR102 or PR102 group, wherein the substituents R10 is hydrogen and a hydrocarbon group; p is an integer from 0 to 3.Type: GrantFiled: December 22, 2000Date of Patent: September 26, 2006Assignee: Basell Polyolefine GmbHInventors: Ilya E. Nifant'ev, Simona Guidotti, Luigi Resconi, Ilya P. Laishevtsev -
Patent number: 7109278Abstract: Organometallic transition metal compounds of the formula (I) where M1 is an element of group 3, 4, 5 or 6 of the Periodic Table of the Elements or the lanthanides; X are identical or different and are each halogen, hydrogen, C1–C20-alkyl, C2–C20-alkenyl, C6–C22-aryl, alkylaryl or arylalkyl having from 1 to 10 carbon atoms in the alkyl part and from 6 to 22 carbon atoms in the aryl part, —OR5 or —NR5R6, where two radicals X may also be joined to one another or two radicals X may together form a substituted or unsubstituted diene ligand, in particular a 1,3-diene ligand; where R5 and R6 are each C1–C10-alkyl, C6–C15-aryl, alkylaryl, arylalkyl, fluoroalkyl or fluoroaryl each having from 1 to 10 carbon atoms in the alkyl radical and from 6 to 22 carbon atoms in the aryl radical; n is a natural number from 1 to 4 which is equal to the oxidation number of M1 minus 2; R1 is a C2–C40 radical which is branched in the ? position; R2 is hydrogen or a C1–C40 radical which may be branched or unbranched in the ? position;Type: GrantFiled: November 26, 2002Date of Patent: September 19, 2006Assignee: Basell Polyolefine GmbHInventors: Yoshikuni Okumura, Markus Oberhoff, Jörg Schottek, Jörg Schulte
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Patent number: 7098356Abstract: Metal complexes comprising a substituted inden-1-yl group or hydrogenated or partially hydrogenated derivative thereof, said group being substituted at least at the 2-position thereof with a C4-30 ligand group containing a secondary or tertiary substitution pattern at the ?-carbon thereof, polymerization catalysts; and olefin polymerization processes using the same are disclosed.Type: GrantFiled: March 3, 2003Date of Patent: August 29, 2006Assignee: Dow Global Technologies Inc.Inventors: David D. Graf, Jorge Soto
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Patent number: 7081543Abstract: The present invention relates to ligands and the synthesis of those ligands for use in metallocene complexes. More particularly, the present invention relates to the synthesis of diarylsilyl bridged biscyclopentadienes using diarylsilyldisulfonates. Even more particularly, the present invention describes Group IV metallocenes containing diarylsilyl bridged bis-cyclopentadienyl ligands prepared from contacting a diarylsilyldisulfonate with an organometallic indenyl reagent.Type: GrantFiled: July 13, 2005Date of Patent: July 25, 2006Assignee: ExxonMobil Chemical Patents Inc.Inventors: Francis C. Rix, Terry J. Burkhardt, Robert T. Li, William T. Haygood, Jr.
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Patent number: 7064225Abstract: The present invention provides a method of making compounds comprising linked cyclopentadienyl and fluorenyl groups, including substituted analogs thereof, which are precursors to ansa-metallocenes comprising bridged cyclopentadienyl and fluorenyl ligands. In one aspect, this invention provides a preparative method for (5-cyclopentadienyl)[5-(2,7-di-tert-butylfluorenyl)]hex-1-ene, and ansa-metallocenes comprising this ligand.Type: GrantFiled: June 25, 2004Date of Patent: June 20, 2006Assignee: Chevron Phillips Chemical Company, L.P.Inventors: Matthew G. Thorn, Joel L. Martin, Qing Yang, Albert P. Masino
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Patent number: 7053160Abstract: Novel metallocene monohalides can be used in the polymerization of olefins.Type: GrantFiled: November 18, 1999Date of Patent: May 30, 2006Assignee: Basell Polyolefine GmbHInventors: Carsten Bingel, Hans-Herbert Brintzinger, Hans-Robert-Hellmuth Damrau, Patrik Müller, Jürgen Suhm
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Patent number: 7049453Abstract: The present invention relates to a process for preparing specific transition metal compounds, novel transition metal compounds and also catalyst systems and their use for the homo- or copolymerization of olefins.Type: GrantFiled: March 24, 2003Date of Patent: May 23, 2006Assignee: Celanese Ventures GmbHInventors: Jörg Schottek, Tim Dickner, Jörg Ludwig Schulte
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Patent number: 7041841Abstract: The invention is a catalytic process using a Group IV B transition metal component and an alumoxane component to polymerize ?-olefins to produce high crystallinity and high molecular weight poly-?-olefins.Type: GrantFiled: November 9, 1992Date of Patent: May 9, 2006Assignee: ExxonMobil Chemical Patents Inc.Inventor: Jo Ann Marie Canich
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Patent number: 7041756Abstract: Provided is a catalyst component for producing a polyolefin, which catalyst component comprises a metallocene catalyst having a structure according to formula (I): (THI)2R?MQp, wherein each THI is a tetrahydroindenyl derivative which may be substituted or unsubstituted, provided that at least one of the tetrahydroindenyl derivatives is substituted at the 2-position or the 4-position; R? is a structural bridge to impart stereorigidity between the two THI groups; M is a metal from Group IIIB, IVB, VB or VIB; Q is a hydrocarbyl group having from 1–20 carbon atoms, or a halogen; and p is the valence of M minus 2.Type: GrantFiled: September 26, 2002Date of Patent: May 9, 2006Assignee: Total Petrochemicals Reseach FeluyInventor: Abbas Razavi
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Patent number: 7037872Abstract: The invention relates to a metallocene catalyst in which the metal is coordinated by any ?5 cyclopentadienyl ligand characterised in that said ligand is directly or indirectly substituted by a pendant siloxy or germyloxy group which contains an olefinic residue.Type: GrantFiled: July 24, 2002Date of Patent: May 2, 2006Assignee: Borealis Technology OyInventors: Melanie Aubert, Carl-Eric Wilen
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Patent number: 7038070Abstract: A process for the preparation of indanones of the formula II from indanones of the formula I or of indanones of the formula IIa from indanones of the formula Ia comprises reacting an indanone of the formula I or Ia with a coupling component.Type: GrantFiled: September 9, 2004Date of Patent: May 2, 2006Assignee: Basell Polyolefine GmbHInventors: Carsten Bingel, Markus Goeres, Volker Fraaije, Andreas Winter
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Patent number: 7030257Abstract: Disclosed herein are novel high oxidation state metallocene compounds, processes for preparing these compounds and uses of these compounds.Type: GrantFiled: April 13, 2004Date of Patent: April 18, 2006Assignee: Agency for Science, Technology and ResearchInventors: Zhiqiang Gao, Fang Xie, Hong Xie
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Patent number: 7019157Abstract: The present invention provides metallocene compounds which exhibit high polymerization activity for production of highly stereoregular polymers, as well as a production process for olefin polymers which employs olefin polymerization catalysts containing the compounds, and olefin polymers obtained by the production process.Type: GrantFiled: August 2, 2002Date of Patent: March 28, 2006Assignees: Chisso Corporation, Chisso Petrochemical CorporationInventors: Toshihiro Uwai, Masato Nakano, Tsutomu Ushioda, Masami Kimura, Tsuyoshi Yahata
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Patent number: 6995279Abstract: Metallocene compounds represented by the following general formula (1): YqKLMX2??(1) wherein M, Y, q, L and X are each as defined in the Specification.Type: GrantFiled: July 31, 2003Date of Patent: February 7, 2006Assignees: Chisso Corporation, Chisso Petrochemical CorporationInventors: Tsutomu Ushioda, Masato Nakano, Toshihiro Uwai
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Patent number: 6992204Abstract: The invention relates to a method for producing racemic metallocene complexes by reacting bridged or non-bridged transition metal complexes with cyclopentadienyl derivatives of alkaline or alkaline earth metals and optionally, subsequently substituting the phenolate ligands.Type: GrantFiled: June 28, 2001Date of Patent: January 31, 2006Assignee: Basell Polyolefine GmbHInventors: Robert Damrau, Patrik Müller, Eva Royo, Hans-Herbert Brintzinger
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Patent number: 6987196Abstract: A process for preparing dihalide or monohalide metallocene compounds comprising contacting a compound of formula (II) (Cp)(ZR1m)n(A)rML?y (II) wherein Cp is a cyclopentadienyl radical; (ZR1m)n is a divalent bridging group between Cp and A; A is a cyclopentadienyl radical or O, S, NR2, PR2 wherein R2 is an hydrocarbon radical, M is zirconium, titanium or hafnium, L? is an hydrocarbon radical, r ranges from 0 to 2 and y is equal to 4; with an halogenating agent selected from the group consisting of: T1Lw1 wherein T1 is a metal of groups 3–13 of the periodic table; L is halogen and w1 is equal to the oxidation state of the metal T1; T2Lw2 wherein T2 is a nonmetal element of groups 13–16 of the periodic table (new IUPAC version); and w2 is equal to the oxidation state of the element T2; O=T3Lw3 where T3 is a selected from the group consisting of C, P and S; O is an oxygen atom bonded to T3 trough a double bond; and w3 is equal to the oxidation state of the element T3 minus 2; R6C(O)L, wherein R6 is an hydrocarbonType: GrantFiled: April 3, 2002Date of Patent: January 17, 2006Assignee: Basell Polyolefine GmbHInventors: Luigi Resconi, Davide Balboni
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Patent number: 6984703Abstract: The present invention relates to metallocene compounds consisting of indenyl-cyclopentadienyl groups non-symmetrically joined by a bivalent radical. Said compounds can be conveniently used as components of catalysts for the polymerization of olefins.Type: GrantFiled: November 27, 2000Date of Patent: January 10, 2006Assignee: Polimeri Europa S.p.A.Inventors: Paolo Biagini, Roberto Santi, Giuliana Schimperna, Maria Caldararo, Giampietro Borsotti, Francesco Masi
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Patent number: 6984743Abstract: The present invention relates to a process for preparing a metallocene, which comprises reacting a ligand starting compound with an adduct of the formula (I), M1XnDa ??(I) where M1 is a metal of group III, IV, V or VI of the Periodic Table of the Elements or an element of the lanthanide or actinide series, preferably titanium, zirconium or hafnium, particularly preferably zirconium, X are identical or different and are each halogen, C1–C10-alkoxy, C6–C10-aryloxy, C1–C10-alkylsulfonate such as mesylate, triflate, nonaflate, C6–C10-arylsulfonate such as tosylate, benzenesulfonate, C1–C10-alkylcarboxylate such as acetate, formate, oxalate or 1,3-dicarbonylate such as acetylacetonate or fluorinated 1,3-dicarbonylate, in particular chlorine, bromine, particularly preferably chlorine, n is an integer and is 2,3,4,5 or 6 and corresponds to the oxidation number of the metal M1, a is an integer or fraction and 0<a?4 and a is preferably in the range from 0.5 to 2.5 and is in particular 1, 1.Type: GrantFiled: September 3, 1998Date of Patent: January 10, 2006Assignee: Basell Polyolefine GmbHInventors: Carsten Bingel, Berthold Schiemenz, Markus Göres
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Patent number: 6960550Abstract: A metallocene catalyst system component for polymerization of olefins includes at least one 2-arylindenyl ligand substituted on the 1-position by a substituted or unsubstituted alkyl, alkylsilyl, or aryl substituent of 1 to 30 carbon atoms.Type: GrantFiled: March 18, 2003Date of Patent: November 1, 2005Assignee: The Board of Trustees of the Leland Stanford Junior UniversityInventors: Robert M. Waymouth, Raisa Kravchenko, Larry L. Bendig, Eric J. Moore, Charles L. Myers, Roger W. Quan, Andreas B. Ernst
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Patent number: 6946568Abstract: Complexes of the formulae Ia and Ib where M=Ti, Zr, Hf, V, Nb or Ta, can be used for the polymerization and copolymerization of olefins, for example in suspension polymerization processes, gas-phase polymerization processes and bulk polymerization processes.Type: GrantFiled: February 6, 2002Date of Patent: September 20, 2005Assignee: Basell Polyolefine GmbHInventors: Marc Oliver Kristen, Benno Bildstein, Alexander Krajete
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Patent number: 6930158Abstract: New polycyclic cyclopentadiene compounds having the formula (II) wherein the various substituents and symbols R1, R2, R3, R4, R5, R6, R7, Z1 and Z2 and “n” have the meaning specified in the description. These compounds can form metallocene complexes with transition metals, which have shown unusual properties in the (co)polymerization of ethylene and alpha-olefins in general.Type: GrantFiled: November 12, 2004Date of Patent: August 16, 2005Assignee: Polimeri Europa S.p.A.Inventors: Paolo Biagini, Diego Vigliarolo, Giampietro Borsotti, Roberto Santi
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Patent number: RE39156Abstract: A process for the preparation of an olefin polymer by polymerization or copolymerization of an olefin of the formula Ra—CH?CH—Rb, in which Ra and Rb are identical or different and are a hydrogen atom or a hydrocarbon radical having 1 to 14 carbon atoms or Ra and Rb, together with the atoms connecting them, can form a ring, at a temperature of from ?60° to 200° C., at a pressure of from 0.Type: GrantFiled: January 19, 2000Date of Patent: July 4, 2006Assignee: Basell Polyolefine GmbHInventors: Andreas Winter, Martin Antberg, Bernd Bachmann, Volker Dolle, Frank Küber, Jürgen Rohrmann, Walter Spaleck
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Patent number: RE39532Abstract: The novel metallocenes of the formula I in which, preferably, M1 is Zr or Hf, R1 and R2 are alkyl or halogen, R3 and R4 are hydrogen, R5 and R6 are alkyl or haloalkyl, —(CR8R9)m—R7—(CR8R9)n— is a single- or multi-membered chain in which R7 may also be a (substituted) hetero atom, m+n is zero or 1, and R10 is hydrogen, form, together with aluminoxanes as cocatalysts, a very effective catalyst system for the preparation of polyolefins of high stereospecificity and high melting point.Type: GrantFiled: July 17, 1997Date of Patent: March 27, 2007Assignee: Basell Polyolefine GmbHInventors: Andreas Winter, Martin Antberg, Walter Spaleck, Jürgen Rohrmann, Volker Dolle
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Patent number: RE39561Abstract: The novel metallocenes of the formula I in which, preferably, M1 is Zr or Hf, R1 and R2 are alkyl or halogen, R3 and R4 are hydrogen, R5 and R6 are alkyl or haloalkyl, —(CR8R9)m—R7—(CR8R9)n— is a single- or multi-membered chain in which R7 may also be a (substituted) hetero atom, m+n is zero or 1, and R10 is hydrogen, form, together with aluminoxanes as cocatalysts, a very effective catalyst system for the preparation of polyolefins of high stereospecificity and high melting point.Type: GrantFiled: July 17, 1997Date of Patent: April 10, 2007Assignee: Basell Polyoefine GmbHInventors: Andreas Winter, Martin Antberg, Walter Spaleck, Jürgen Rohrmann, Volker Dolle
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Patent number: RE40121Abstract: The present invention relates to zwitterionic neutral transition metal compounds. The compounds are suitable as catalyst components for the polymerization of olefins.Type: GrantFiled: May 8, 2001Date of Patent: February 26, 2008Inventors: Gerhard Erker, Bodo Temme, Michael Aulbach, Bernd Bachmann, Frank Küber