Diverse Metals Bonded To Carbon Patents (Class 502/153)
  • Patent number: 9018327
    Abstract: A catalyst composition is provided. The composition comprises at least 30 percent by weight of a catalyst compound based on the total weight of solids in the catalyst composition; and a polymer prepared from ethylenically unsaturated monomers. The polymer either (i) has a backbone derived from substantially hydrophilic monomers and/or monomers containing groups that may be rendered substantially hydrophilic after polymerization, and a plurality of side chains along the backbone derived from substantially hydrophobic monomers, or (ii) has a backbone derived from substantially hydrophobic monomers and a plurality of side chains along the backbone derived from substantially hydrophilic monomers and/or monomers containing groups that may be rendered substantially hydrophilic after polymerization. The catalyst compound is contained within or encapsulated by the polymer. Methods of preparing the catalyst composition and curable compositions containing the catalyst composition are also provided.
    Type: Grant
    Filed: November 8, 2013
    Date of Patent: April 28, 2015
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Scott Moravek, Davina Schwartzmiller, Steven V. Barancyk, David Fenn
  • Publication number: 20150011381
    Abstract: Disclosed herein are polymerization processes for the production of olefin polymers. These polymerization processes can use a dual catalyst system containing a zirconium or hafnium based metallocene compound and a titanium based half-metallocene compound containing an indenyl group.
    Type: Application
    Filed: September 23, 2014
    Publication date: January 8, 2015
    Inventors: Errun Ding, Qing Yang, Youlu Yu, Lloyd W. Guatney, Jim B. Askew
  • Patent number: 8889804
    Abstract: The present invention relates to a preparation method for polypropylene that comprises polymerizing a propylene monomer in the presence of a catalyst comprising a novel transition metal compound. Using the novel transition metal compound as a catalyst, the preparation method for polypropylene according to the present invention can not only acquire high catalytic activity for polymerization to achieve high efficiency of the process but allow it to easily control the fine-structure characteristics of the polymer, thereby providing polypropylene having desired properties with ease.
    Type: Grant
    Filed: April 12, 2011
    Date of Patent: November 18, 2014
    Assignee: Lotte Chemical Corporation
    Inventors: Bun-Yeoul Lee, Ji-Hae Park, Seung-Hyun Do, Hwa-Kyu Kim, Jae-Young Park, Seung-Woong Yoon
  • Patent number: 8772521
    Abstract: Metal alkyl-arene having general formula (I) or (Ia): M (?6-arene)2AlqXrRs (I) M (?6-arene)AlqXrRs (Ia) wherein: —M represents zirconium (Zr), hafnium (Hf), or mixtures thereof, preferably zirconium; —arene represents a benzene, or a benzene 10 substituted with from 1 to 6 linear or branched C1-C6 alkyl groups, or mixtures thereof; —X represents a halogen atom selected from chlorine, bromine, fluorine, iodine, preferably chlorine; —R represents a linear or branched C1-C15 alkyl group; —q is a number ranging from 2 to 6, preferably 3 for a metal alkyl-arene having general formula (I), 2 for a metal alkyl-arene having general formula (Ia); —r is a number ranging from 1 to 20, preferably 9 for a metal alkyl-arene having general formula (I), 6 for a metal alkyl-arene having general formula (Ia); —s is a number ranging from 1 to 6, preferably 2. Said metal alkyl-arene can be advantageously used for the preparation of solid components of catalysts for the (co)polymerization of ?-olefins.
    Type: Grant
    Filed: December 23, 2011
    Date of Patent: July 8, 2014
    Assignee: Versalis S.p.A.
    Inventors: Guido Pampaloni, Filippo Renili, Anna Sommazzi, Fabio Marchetti, Francesco Masi, Mario Polesello
  • Publication number: 20140087987
    Abstract: This invention relates to processes to produce polyethylene involving contacting ethylene with a metallocene catalyst system; wherein the catalyst system comprises: a stoichiometric activator; and a metallocene compound. The metallocene catalyst system is also disclosed.
    Type: Application
    Filed: September 23, 2013
    Publication date: March 27, 2014
    Inventors: Donna J. Crowther, Patrick Brant, John R. Hagadorn, Jacqueline A. Lovell
  • Patent number: 8636974
    Abstract: It is an object to provide a method for producing titanium dioxide superfine particles, which produces monodispersed titanium dioxide superfine particles depending on its purpose, causes no clogging with a product due to self-dischargeability, requires no great pressure, and is excellent in productivity. In the method for producing titanium dioxide superfine particles in a fluid containing a titanium compound by separation, the fluid is formed into a thin film fluid between two processing surfaces arranged so as to be able to approach to and separate from each other, at least one of which rotates relative to the other, and the titanium dioxide superfine particles are separated in the thin film fluid.
    Type: Grant
    Filed: September 11, 2008
    Date of Patent: January 28, 2014
    Assignee: M. Technique Co., Ltd.
    Inventor: Masakazu Enomura
  • Publication number: 20130345378
    Abstract: A metallocene compound is represented by the following formula, (4HInd)(Cp?)MX2 wherein 4HInd is a group having tetrahydroindenyl nucleus, Cp? is a group having cyclopentadienyl nucleus, and 4HInd and Cp? are unsubstituted/substituted by one or more substituents of radicals from group of an alkyl, alkoxy, alkylsilyl, alkylsiloxy, alkylamino or haloalkyl group of 1 to 20 carbon atoms, a cycloalkyl group of 3 to 20 carbon atoms, an aryl, arylalkyl, arylsilyl, alkylaryl or aryloxy group of 6 to 20 carbon atoms, a dialkylamino group of 2 to 20 carbon atoms, a halogen atom, and an amino group, and M is a Group IV, V or VI transition metal, and X is radical from the group of a halogen atom, an alkyl or alkoxy group of 1 to 20 carbon atoms, an alkenyl group of 2 to 20 carbon atoms, aryl, alkylaryl, arylalkyl, aryloxy group of 6 to 20 carbon atoms.
    Type: Application
    Filed: June 26, 2012
    Publication date: December 26, 2013
    Applicant: DAELIM INDUSTRIAL CO., LTD.
    Inventors: Sah-Mun HONG, Hye-Sun CHOI, Byung-Keel SOHN
  • Patent number: 8557920
    Abstract: The present invention relates to a polymer composition, comprising (i) a polypropylene homopolymer, (ii) a polypropylene random copolymer, prepared by copolymerization of propylene with an olefin comonomer and having an amount of olefin comonomer units of 0.2 to 5 wt %, and (iii) an elastomeric copolymer of propylene and at least one olefin comonomer, the polymer composition having a tensile modulus, determined according to ISO 527-2/1 B at 1 mm/min. and 230 C, of at least 1200 MPa.
    Type: Grant
    Filed: May 11, 2006
    Date of Patent: October 15, 2013
    Assignee: Borealis Technology Oy
    Inventors: Kauno Alastalo, Carl-Gustaf Ek, Bo Malm, Ulf Torgersen, Olli Tuominen
  • Publication number: 20130172497
    Abstract: Catalyst compositions containing N,N-bis[2-hydroxidebenzyl]amine transition metal compounds are disclosed. Methods for making these transition metal compounds and for using such compounds in catalyst compositions for the polymerization of olefins also are provided.
    Type: Application
    Filed: December 28, 2011
    Publication date: July 4, 2013
    Applicant: Chevron Phillips Chemical Company LP
    Inventors: Mark L. Hlavinka, Qing Yang, Youlu Yu
  • Publication number: 20130059990
    Abstract: Disclosed is a solid support-polymethylaluminoxane complex exhibiting a higher polymerization activity than a conventional substance and being homogeneous. Also disclosed is a method for producing an olefin-based polymer having a favorable quality using the complex and a transition metal compound. The complex comprises a coating layer containing polymethylaluminoxane and trimethylaluminum on the surface of a solid support. The coating layer comprises a solid polymethylaluminoxane composition in which (i) the content of aluminum is in a range of 36 to 41 mass % and (ii) the molar fraction of methyl groups derived from a trimethylaluminum moiety to the total number of moles of methyl groups is 12 mol % or less. Also disclosed is an olefin polymerization catalyst comprising the complex and a transition metal compound represented by general formula (III): MR5R6R7R8 as catalyst components, and a method for producing a polyolefin comprising polymerizing an olefin using the catalyst.
    Type: Application
    Filed: May 11, 2011
    Publication date: March 7, 2013
    Applicant: Tosoh Finechem Corporation
    Inventors: Eiichi Kaji, Etsuo Yoshioka
  • Publication number: 20120309913
    Abstract: Process for the preparation of an unsupported, heterogeneous olefin polymerization catalyst system, comprising an organometallic compound of a transition metal of Group 3 to 10 of the Periodic Table (IUPAC 2007) in the form of solid particles comprising the steps of a) preparing a solution (A) comprising ai) an organometallic compound of a transition metal of Group 3 to 10 of the Periodic Table (IUPAC 2007) or of an actinide or lanthanide, a2) a cocatalyst comprising an element of group 13 of the Periodic Table (IUPAC 2007) and a3) a solvent (A-1), b) preparing a liquid/liquid emulsion system by dispersing the solution (A) in a solvent (B) essentially immiscible with said solution (A) in the presence of a polystyrene-b-fluoro polystyrene copolymer of the formula (I) in which n is a number from 10 to 100, m is a number from 1 to 40, x is a number from 5 to 16, y is a number from 11 to 33, provided that m, n, x and y are selected in a way that the block copolymer is soluble in the solvent B or the solution A in
    Type: Application
    Filed: December 3, 2010
    Publication date: December 6, 2012
    Inventors: Nicolas Ronan, Peter Denifl
  • Publication number: 20120259077
    Abstract: The present invention relates to a mixed metallocene catalyst composition including a first metallocene catalyst and a second metallocene catalyst, and a method for preparing a polyolefin using the catalyst composition. According to the catalyst composition and the preparation method, provided is a polyolefin having a wide molecular weight distribution and superior mechanical properties and processability.
    Type: Application
    Filed: November 5, 2010
    Publication date: October 11, 2012
    Inventors: Jong-Joo Ha, Choong-Hoon Lee, Don-Ho Kum, Eun-Jung Lee, Beom-Doo Seo
  • Publication number: 20120245311
    Abstract: This invention relates to a homogenous process for making a vinyl terminated propylene polymer, wherein the process comprises: contacting, propylene, under polymerization conditions, with a catalyst system comprising an activator and at least one metallocene compound, where the metallocene compound is represented by the formula: where: M is hafnium or zirconium; each X is, independently, selected from the group consisting of hydrocarbyl radicals having from 1 to 20 carbon atoms, hydrides, amides, alkoxides, sulfides, phosphides, halides, dienes, amines, phosphines, ethers, and a combination thereof, (two X's may form a part of a fused ring or a ring system); each R1 is, independently, a C1 to C10 alkyl group; each R2 is, independently, a C1 to C10 alkyl group; each R3 is, independently, hydrogen; each R4, R5, and R6, is, independently, hydrogen or a substituted or unsubstituted hydrocarbyl group, a heteroatom or heteroatom containing group; T is a bridging group; each R7 is, independently, hydrogen, halog
    Type: Application
    Filed: March 25, 2011
    Publication date: September 27, 2012
    Inventors: Donna J. Crowther, Patrick Brant, Carlos U. De Gracia, Jacqueline A. Lovell
  • Patent number: 8222179
    Abstract: A coordination polymer includes a plurality of metal atoms or metal clusters linked together by a plurality of organic linking ligands. Each linking ligand comprises a residue of a negatively charged polydentate ligand. Characteristically, the plurality of multidentate ligands include a first linking ligand having first hydrocarbon backbone and a second ligand having a second hydrocarbon backbone. The first hydrocarbon backbone is different than the second hydrocarbon backbone.
    Type: Grant
    Filed: August 30, 2007
    Date of Patent: July 17, 2012
    Assignee: The Regents of the University of Michigan
    Inventors: Adam J. Matzger, Antek G. Wong-Foy, Kyoungmoo Koh
  • Publication number: 20120123070
    Abstract: La present invention relates to a multi-component catalytic system that can be used for the cis-1,4 stereospecific polymerization of conjugated dienes. The system is based on: (i) a rare-earth complex of Formula (II) Ln(A)3(B)n, Ln being a rare-earth metal, A a ligand, B a Lewis base or a solvent molecule and n a number from 0 to 3; (ii) an alkylating agent; (iii) a compound based on an aromatic ring and having at least two heteroatoms chosen from the elements O, N, S, P, and corresponding to the Formula (III): in which the R groups each denote hydrogen, an alkyl radical optionally comprising one or more heteroatoms (N, O, P, S, Si) or one or more halogen atoms, a halogen atom, a group based on one or more heteroatoms (N, O, P, S, Si); x and y are integers from 0 to 6; D is a group having a chemical function, one of the atoms of which has a non-bonding pair; L being an atom from column 1 of the Periodic Table.
    Type: Application
    Filed: April 27, 2010
    Publication date: May 17, 2012
    Applicants: Societe De Technologie Michelin, Universite Claude Bernard Lyon 1, Centre National De La Recherche Scientifique, Michelin Recherche et Technique S.A.
    Inventors: Christophe Boisson, Olivier Rolland, Julien Thuilliez
  • Publication number: 20120101239
    Abstract: The present invention relates to a process for preparing an activating support for metallocene complexes in the polymerisation of olefins comprising the steps of: I) providing a support consisting in particles formed from at least one porous mineral oxide; II) optionally fixing the rate of silanols on the surface of the support; III) functionalising the support with a solution containing a metallic salt; IV) heating the functionalised support of step c) under an inert gas or hydrogen; V) oxidising the support of step IV by treatment under N2O and then under oxygen; VI) retrieving an active support having a controlled number of OH groups. That activating support is used to activate a metallocene catalyst component for the polymerisation of olefins.
    Type: Application
    Filed: April 29, 2010
    Publication date: April 26, 2012
    Applicants: Centre National de la Rescherche Scientifique, TOTAL PETROCHEMICALS RESEARCH FELUY
    Inventors: Gaëlle Pannier, Christophe Boisson, Roger Spitz
  • Publication number: 20120058886
    Abstract: 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: Application
    Filed: November 3, 2011
    Publication date: March 8, 2012
    Applicant: Chevron Phillips Chemical Company LP
    Inventors: Rex E. Murray, Kumudini C. Jayaratne, Qing Yang, Joel L. Martin
  • Publication number: 20120046428
    Abstract: A polymerization catalyst system and polymerization processes using the catalyst systems are disclosed. The polymerization catalyst systems may include a) a first catalyst compound, and b) a second catalyst compound, wherein the first catalyst compound includes an oxadiazole-containing compound. In some embodiments, the oxadiazole-containing compound has essentially no hydrogen response, thus allowing better and/or tailored control of product properties when producing polymers using the catalyst system.
    Type: Application
    Filed: May 14, 2010
    Publication date: February 23, 2012
    Applicant: UNIVATION TECHNOLOGIES, LLC
    Inventors: Sun-Chueh Kao, Francis C. Rix, Dongming Li, C. Jeff Harlan, Parul A. Khokhani
  • Patent number: 8058200
    Abstract: This invention relates to the field of olefin polymerization catalyst compositions, and methods for the polymerization and copolymerization of olefins, typically using a supported catalyst composition. In one aspect, this invention encompasses precontacting a metallocene with a borinic acid or boronic acid prior to contacting this mixture with the acidic activator-support and an organoaluminum compound.
    Type: Grant
    Filed: May 17, 2007
    Date of Patent: November 15, 2011
    Assignee: Chevron Phillips Chemical Company, L.P.
    Inventors: Qing Yang, Michael D. Jensen, Matthew G. Thorn, Kumudini C. Jayaratne, Tony R. Crain
  • Patent number: 7994355
    Abstract: The present invention relates to metallocene-based phosphine ligands having chirality at phosphorus and at least one other element of chirality (planar chirality and/or chirality at carbon); and to the use of such ligands in asymmetric transformation reactions to generate high enantiomeric excesses of formed compounds. A method for the preparation of ligands according to the invention involving the conversion of the ortho-lithiated substituted metallocene to a phosphine chiral at phosphorus is also disclosed.
    Type: Grant
    Filed: January 14, 2005
    Date of Patent: August 9, 2011
    Assignee: Solvias AG
    Inventors: Wei-Ping Chen, John Whittall
  • Publication number: 20110178258
    Abstract: The present invention relates to the covalent anchorage of non-coordinating anions on mineral supports to prepare supported ionic liquids and to their use as activating supports for the polymerisation of ethylene and alpha-olefins. The invention also discloses the concomitant covalent anchorage of zwitterionic systems containing both the non-coordinating anion and the counter cation parts of the ionic liquids and of the activating supports.
    Type: Application
    Filed: October 2, 2008
    Publication date: July 21, 2011
    Applicants: Total Petrochemicals Research Feluy, Centre National de la Recherche Scientifique (CNRS)
    Inventors: Abdelkrim El Kadib, Karine Molvinger, Daniel Brunel, Floran Prades, Abbas Razavi
  • Publication number: 20110144290
    Abstract: The present invention provides polymerization catalyst compositions employing novel heterodinuclear metallocene compounds. Methods for making these new dinuclear metallocene compounds and for using such compounds in catalyst compositions for the polymerization of olefins are also provided.
    Type: Application
    Filed: February 24, 2011
    Publication date: June 16, 2011
    Applicant: CHEVRON PHILLIPS CHEMICAL COMPANY LP
    Inventors: Rex E. Murray, Kumudini C. Jayaratne, Qing Yang, Joel L. Martin, Gary L. Glass
  • Publication number: 20110098497
    Abstract: Novel group 6 organometallic compounds, supported on anions by means of at least one covalent metal-oxygen bond, are obtained by reaction of at least one borate or aluminate comprising at least one hydroxy group with at least one compound of a group 6 transition metal. These compounds are used in a catalytic composition utilized in an olefin metathesis method.
    Type: Application
    Filed: October 26, 2010
    Publication date: April 28, 2011
    Applicant: IFP Energies nouvelles
    Inventors: Ludovic Chahen, Mikaël Berthod, Vinciane Kelsen, Yves Chauvin, Helene Olivier-Bourbigou, Christophe Vallee
  • Patent number: 7825202
    Abstract: The present invention is directed to a catalyst system for synthesizing rubbery polymers, such as styrene-butadiene rubber, that can be utilized in tire tread rubbers. The catalyst system, in one embodiment, includes an organolithium compound and a potassium alkyl borohydride or potassium alkyl aluminum hydride defined by: (R)3A?(H)K+, wherein A is boron or aluminum, H is hydrogen, K is potassium, and R, which is the same or different, is either H, a C1-C10 alkyl, a C3-C10 cycloalkyl, phenyl, or phenyl substituted C1-C10 alkyl, or a C3-C10 cycloalkyl, with the proviso that at least one R is a C1-C10 alkyl, and further wherein any two R's may optionally be part of a carbocyclic ring. The rubbery polymers can have low to medium vinyl microstructure content, i.e., from about 10% to about 40%, and are useful in tire tread rubber compounds which can exhibit improved wear and tear characteristics.
    Type: Grant
    Filed: October 9, 2008
    Date of Patent: November 2, 2010
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: John Robert Zuppo, III, Adel Farhan Halasa, Wen-Liang Hsu, Leh-Yeh Hsu, legal representative
  • Patent number: 7744827
    Abstract: A fuel delivery system for a gas turbine engine includes a catalytic device for treating fuel to increase the usable cooling capability of an endothermic fuel. The catalytic device operates to treat and decompose components within in the fuel to render the fuel non-coking beyond 250° F. The catalytic device includes material that initiates reactions, and decomposition of coke forming components within the fuel to non-coke forming components within the fuel.
    Type: Grant
    Filed: February 13, 2004
    Date of Patent: June 29, 2010
    Assignee: United Technologies Corporation
    Inventors: Thomas Vanderspurt, Harry Cordatos
  • Publication number: 20100093960
    Abstract: The present invention is directed to a catalyst system for synthesizing rubbery polymers, such as styrene-butadiene rubber, that can be utilized in tire tread rubbers. The catalyst system, in one embodiment, includes an organolithium compound and a potassium alkyl borohydride or potassium alkyl aluminum hydride defined by: (R)3A?(H)K+, wherein A is boron or aluminum, H is hydrogen, K is potassium, and R, which is the same or different, is either H, a C1-C10 alkyl, a C3-C10 cycloalkyl, phenyl, or phenyl substituted C1-C10 alkyl, or a C3-C10 cycloalkyl, with the proviso that at least one R is a C1-C10 alkyl, and further wherein any two R's may optionally be part of a carbocyclic ring. The rubbery polymers can have low to medium vinyl microstructure content, i.e., from about 10% to about 40%, and are useful in tire tread rubber compounds which can exhibit improved wear and tear characteristics.
    Type: Application
    Filed: October 9, 2008
    Publication date: April 15, 2010
    Applicant: THE GOODYEAR TIRE & RUBBER COMPANY
    Inventors: John Robert Zuppo, III, Adel Farhan Halasa, Wen-Liang Hsu, Leh-Yeh Hsu
  • Patent number: 7651971
    Abstract: A catalyst is disclosed for the polymerization and co-polymerization of olefins with functionalized monomers. The catalyst is formed from a combination of two neutral metal complexes, L(iPr2)M(CH2Ph)(PMe3) [L=N-(2,6-diisopropylphenyl)-2-(2,6-diisopropylphenylimino)propanamide] and M(COD)2 (COD=cyclooctadiene). The catalyst displays a unique mode of action and performs at ambient conditions producing high molecular weight polyolefins and co-polymers with functional groups. The polymerized olefins include ethylene, ?-olefins and functionalized olefins.
    Type: Grant
    Filed: August 20, 2007
    Date of Patent: January 26, 2010
    Inventors: Guillermo C. Bazan, Prasenjit Ghosh
  • Patent number: 7645716
    Abstract: The novel binuclear, oxygen-bridged, bimetallic complexes of the general formula (I): [(LM1R1)(Cp2M2R2)](?-O)??(I) are suitable as polymerization catalysts for olefin polymerization. (M1=Al, Ge, Zr or Ti; M2=Zr, Ti or Hf; Cp=cyclopentadienyl; R1, R2=methyl, ethyl, i-propyl, t-butyl, halogen, phenyl, alkylphenyl, SiMe3; L=a bidentate, doubly heteroatom-coordinated organic chemical ligand, which together with the metal M1 forms a 5 or 6-membered ring.) They display very good catalytic activities, good operating lives, and require little cocatalyst.
    Type: Grant
    Filed: March 15, 2005
    Date of Patent: January 12, 2010
    Assignee: Georg-August-Universitaet Goettingen
    Inventors: Herbert Roesky, Guangcai Bai, Vojtech Janicik, Sanjay Singh
  • Patent number: 7629285
    Abstract: A process for synthesis of a catalyst is provided. The process includes providing a carbon precursor material, oxidizing the carbon precursor material whereby an oxygen functional group is introduced into the carbon precursor material, and adding a nitrogen functional group into the oxidized carbon precursor material.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: December 8, 2009
    Assignee: University of South Carolina
    Inventors: Branko N. Popov, Jog-Won Lee, Nalini P. Subramanian, Swaminatha P. Kumaraguru, Hector R. Colon-Mercado, Vijayadurga Nallathambi, Xuguang Li, Gang Wu
  • Patent number: 7622414
    Abstract: This invention provides compositions that are useful for polymerizing at least one monomer to produce a polymer. This invention also provides compositions that are useful for polymerizing at least one monomer to produce a polymer, wherein said composition comprises a post-contacted organometal compound, a post-contacted organoaluminum compound, and a post-contacted treated solid oxide compound. The post-contacted organometal compound includes metallocenes. The post-contacted treated solid oxide compound contains fluorine, boron, and a solid oxide compound.
    Type: Grant
    Filed: May 19, 2003
    Date of Patent: November 24, 2009
    Assignee: Chevron Phillips Chemical Company, LP
    Inventors: Max P. McDaniel, Kathy S. Collins, Elizabeth A. Benham, Anthony P. Eaton, Michael D. Jensen, Joel L. Martin, Gil R. Hawley
  • Patent number: 7618915
    Abstract: A method of producing a composite carbon catalyst is generally disclosed. The method includes oxidizing a carbon precursor (e.g., carbon black). Optionally, nitrogen functional groups can be added to the oxidized carbon precursor. Then, the oxidized carbon precursor is refluxed with a non-platinum transitional metal precursor in a solution. Finally, the solution is pyrolyzed at a temperature of at least about 500° C.
    Type: Grant
    Filed: May 8, 2007
    Date of Patent: November 17, 2009
    Inventors: Branko N. Popov, Nalini Subramanian, Hector R. Colon-Mercado
  • Patent number: 7612245
    Abstract: A process for the selective hydrogenation of diolefinic compounds to mono-olefinic compounds uses a catalyst composition comprising at least one salt of a transition metal from groups IB, IIB, VB, VIB, VIIB and VIII of the periodic table, at least one ligand and at least one organometallic reducing agent, optionally in the presence of a non-aqueous ionic liquid selected from the group formed by liquid salts with general formula Q+A? (in which Q+ represents a quaternary ammonium and/or quaternary phosphonium and A? represents any anion which can form a liquid salt below 90° C.).
    Type: Grant
    Filed: June 16, 2003
    Date of Patent: November 3, 2009
    Assignee: Institut Francais du Petrole
    Inventors: Gerard Hillion, Laurent Savary, David Proriol, Christophe Gautreau, Denis Uzio, Helene Olivier-Bourbigou
  • Publication number: 20090227747
    Abstract: This invention relates to new transition metal complexes for use in olefin polymerization and oligomerization. The active complex is a pyridine amide having a metallocenyl substituent as part of the ligand structure. The invention also relates to novel precursors for the ligand systems of such complexes obtained from metallocenyl-substituted pyridine compounds through sequences involving addition-condensation or lithium-halogen exchange (with subsequent metathesis) reactions.
    Type: Application
    Filed: March 10, 2008
    Publication date: September 10, 2009
    Inventor: John R. Hagadorn
  • Publication number: 20090203948
    Abstract: The present invention discloses a chelate ligand wherein the backbone contains a metal.
    Type: Application
    Filed: October 20, 2005
    Publication date: August 13, 2009
    Inventors: John Gladysz, Christine Hahn, Robert Tuba, Abbas Razavi
  • Publication number: 20090105068
    Abstract: Provided is a process for producing a polyolefin having a multimodal molecular weight distribution, which process comprises: (a) polymerising a first olefin monomer in the presence of an isomerisable metallocene catalyst, to form a first multimodal polyolefin component; and (b) polymerising a second olefin monomer in the presence of a second metallocene catalyst to form a second polyolefin component; wherein the molecular weight distribution of the first polyolefin component overlaps with the molecular weight distribution of the second polyolefin component.
    Type: Application
    Filed: October 7, 2008
    Publication date: April 23, 2009
    Applicant: TOTAL PETROCHEMICALS RESEARCH FELUY
    Inventor: Abbas Razavi
  • Patent number: 7501374
    Abstract: A process for upgrading a diesel fuel, includes the steps of providing a diesel fuel feedstock; hydrogenating the feedstock at a pressure of less than about 600 psig so as to provide a hydrogenated product wherein a portion of the feedstock is converted to alkyl-naphthene-aromatic compounds; and selectively oxidizing the hydrogenated product in the presence of a catalyst so as to convert the alkyl-naphthene-aromatic compounds to alkyl ketones. A catalyst and oxygen-containing Diesel fuel are also provided.
    Type: Grant
    Filed: August 7, 2007
    Date of Patent: March 10, 2009
    Assignee: Intevep, S.A.
    Inventor: Roberto Galiasso
  • Patent number: 7495097
    Abstract: In accordance with one aspect of the invention a rhodium quinonoid catalyst is disclosed.
    Type: Grant
    Filed: June 15, 2006
    Date of Patent: February 24, 2009
    Assignee: Brown University
    Inventors: Dwight A. Sweigart, Seung Uk Son, Jeffrey A. Reingold, William C. Trenkle
  • Patent number: 7485739
    Abstract: A catalyst suitable for carbonylating ethylenically unsaturated compounds comprising a Group VIIIB metal or compound thereof and a metallocene.
    Type: Grant
    Filed: September 10, 2003
    Date of Patent: February 3, 2009
    Assignee: Lucite International UK Ltd.
    Inventors: Graham Eastham, Ian Butler, Kevin Fortune
  • Publication number: 20080306227
    Abstract: An oxygen-bridged bimetallic complex of the general formula (I) Cp2R1M1-O-M2R22Cp, ??(I) wherein Cp is independently a cyclopentadienyl, indenyl or fluorenyl ligand which can be substituted, or a ligand isolobal to cyclopentadienyl, R1, R2 independently are halide, linear or branched or cyclic alkyl, aryl, amido, phosphido, alkoxy or aryloxy groups, which can be substituted, M1 is Zr, Ti or Hf, and M2 is Ti, Zn, Zr or a rare earth metal. The complex can be useful as a polymerization catalyst.
    Type: Application
    Filed: April 28, 2008
    Publication date: December 11, 2008
    Inventors: Herbert W. Roesky, Prabhuodeyara M. Gurubasavaraj
  • Publication number: 20080287617
    Abstract: This invention relates to a catalyst system comprising: an activator, such as an aluminum alkyl, alumoxane or combinations thereof, a first catalyst precursor prepared by contacting compound (I) represented by the formula: with an optionally substituted alkyl or optionally substituted aryl alcohol; wherein Z-O is a support material, where O is oxygen and Z is Si, Ti, Al, Sn, Fe, Ga, Zr, B, Mg or Cr; each X is, independently, nitrogen, oxygen phosphorous, or sulfur, provided that both X's are not each oxygen; each n is, independently, 1 or 2, provided the total of n=3; each R is, independently, an alkyl group, a substituted alkyl group, an aryl group, or a substituted aryl group, provided at least one R group is an aryl or substituted aryl group; and a second catalyst precursor, wherein the second catalyst precursor is a metallocene compound. This invention also relates to the use of the above catalyst system to polymerize olefins and other monomers.
    Type: Application
    Filed: April 9, 2008
    Publication date: November 20, 2008
    Inventor: Matthew William Holtcamp
  • Publication number: 20080287721
    Abstract: This invention relates to the field of olefin polymerization catalyst compositions, and methods for the polymerization and copolymerization of olefins, typically using a supported catalyst composition. In one aspect, this invention encompasses precontacting a metallocene with a borinic acid or boronic acid prior to contacting this mixture with the acidic activator-support and an organoaluminum compound.
    Type: Application
    Filed: May 17, 2007
    Publication date: November 20, 2008
    Applicant: Chevron Phillips Chemical Company
    Inventors: Qing Yang, Michael D. Jensen, Matthew G. Thorn, Kumudini C. Jayaratne, Tony R. Crain
  • Publication number: 20080234452
    Abstract: A catalyst system obtainable by the process comprising the steps of contacting an adduct of formula (I) MgT2.yAlQj(OR?)3-j ??(I) wherein T is chlorine, bromine, or iodine; R? is a linear or branched C1-C10 alkyl radical; y ranges from 1.00 to 0.05; and j ranges from 0.01 to 3.00; with at least one metallocene compound having titanium as central metal and at least one ligand having a cyclopentadienyl skeleton.
    Type: Application
    Filed: May 1, 2008
    Publication date: September 25, 2008
    Applicant: STICHTING DUTCH POLYMER INSTITUTE
    Inventors: John Richard SEVERN, John Clement Chadwick
  • Patent number: 7410926
    Abstract: The present invention relates to a supported, treated catalyst system and its use in a process for polymerizing olefin(s). More particularly, it provides a supported, treated catalyst system produced by a process comprising the steps of: (a) forming a supported bimetallic catalyst system comprising a first catalyst component and a metallocene catalyst compound; and (b) contacting the supported bimetallic catalyst system of (a) with at least one methylalumoxane-activatable compound.
    Type: Grant
    Filed: December 30, 2003
    Date of Patent: August 12, 2008
    Assignee: Univation Technologies, LLC
    Inventor: Sun-Chueh Kao
  • Patent number: 7321017
    Abstract: The present invention is directed to an amine containing catalyst system for synthesizing rubbery polymers, such as polybutadiene rubber and styrene-butadiene rubber, having a high trans microstructure. The catalyst system, in one embodiment, includes (a) an organolithium compound, (b) a group IIa metal salt, (c) an organoaluminum compound, and (d) an amine compound which can be selected from (1) a heterocyclic aromatic compound which includes a ring structure with one or more nitrogen atoms as part of the ring; (2) a heterocyclic non-aromatic compound which includes a ring structure with two or more nitrogen atoms as part of the ring; (3) an aromatic compound including a ring structure substituted with at least one amine and at least one polar functionality containing group selected from a carboxyl group or a hydroxyl group; (4) a bicyclic chelating diamine compound; or (5) an aliphatic amine which includes a C5-C20 alkyl group.
    Type: Grant
    Filed: August 24, 2006
    Date of Patent: January 22, 2008
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Adel Farhan Halasa, Wen-Liang Hsu, Chad Aaron Jasiunas, John Robert Zuppo, III, Lauire Elizabeth Austin
  • Patent number: 7291687
    Abstract: The present invention is directed to a catalyst system for synthesizing rubbery polymers, such as polybutadiene rubber and styrene-butadiene rubber, having a high trans microstructure. The catalyst system, in one embodiment, includes (a) a barium salt of an alcohol that is soluble in a hydrocarbon solvent, and (b) an organomagnesium compound. In one example, the alcohol is a primary or secondary alcohol. The catalyst system can further optionally include an alkali metal alkoxide, an organolithium compound, an amine compound, or mixtures thereof.
    Type: Grant
    Filed: August 31, 2006
    Date of Patent: November 6, 2007
    Assignee: The Goodyear Tire and Rubber Company
    Inventors: Adel Farhan Halasa, Laurie Elizabeth Austin, Wen-Liang Hsu
  • Patent number: 7235510
    Abstract: A tethered ligand comprising the reaction product of an organofunctional silica and a ligand containing a functional group capable of reaction with said organofunctional silica, wherein the organofunctional silica is prepared from an alkyl silicate and an organofunctional silane is described. A supported catalyst is also described comprising additionally a source of catalytically-active metal. Methods for preparing the tethered ligand and supported catalyst are provided and uses of the supported catalyst for performing asymmetric reactions are claimed. The catalysts are readily separable from the reaction mixtures and may be re-used if desired.
    Type: Grant
    Filed: February 7, 2002
    Date of Patent: June 26, 2007
    Assignee: Johnson Matthey PLC
    Inventors: Graeme Bradford, legal representative, William Patrick Hems, Antony Chesney, deceased
  • Patent number: 7153806
    Abstract: The present invention relates to a novel encapsulated organometallic cluster complex catalyst and to a process for the preparation thereof. The oxo-bridged organometallic cluster complex of the invention has at least one atom of cobalt and manganese encapsulated in micro and mesoporous porous solids like aluminosilicate zeolites, aluminophosphates, carbon molecular sieves, silica and is particularly effective for oxidation of aromatic alkyl groups to the carboxyl groups in high yields.
    Type: Grant
    Filed: August 23, 2004
    Date of Patent: December 26, 2006
    Assignee: Council of Scientific and Industrial Research
    Inventors: Darbha Srinivas, Suhas Arunkumar Chavan, Paul Ratnasamy
  • Patent number: 7101959
    Abstract: A subject of the present invention is new compounds having a lanthanide and having a tridentate ligand, a process for their preparation and their use in particular as polymerization catalysts.
    Type: Grant
    Filed: January 20, 2004
    Date of Patent: September 5, 2006
    Assignees: Societe de Conseils de Recherches et d'Applications Scientifiques (S.C.R.A.S.), Centre National de la Recherche Scientifique (C.N.R.S.)
    Inventors: Anca Dumitrescu, Heinz Gornitzka, Blanca Martin-Vaca, Didier Bourissou, Guy Bertrand, Jean-Bernard Cazaux
  • Patent number: 7097933
    Abstract: A catalyst having catalytically active material supported on a carrier matrix. The catalytically active material may be a mixed-valence, nanoclustered oxide(s), an organometallic material or a combination thereof. The supported catalytic material is particularly useful for catalyzing oxygen reduction in a fuel cell, such as an alkaline fuel cell.
    Type: Grant
    Filed: June 9, 2003
    Date of Patent: August 29, 2006
    Assignee: Ovonic Battery Company, Inc.
    Inventors: Stanford R. Ovshinsky, Cristian Fierro, Benjamin Reichman, William Mays, James Strebe, Michael A. Fetcenko, Avram Zallen, Tim Hicks
  • Patent number: 7094854
    Abstract: Disclosed are ethylene and butadiene copolymers and a catalytic system usable for the synthesis of these copolymers. The copolymers have a molar content of units resulting from butadiene of ?8%, said units comprising trans-1,2 cyclohexane linkages, and a number-average molecular mass Mn of ?40,000 g/mol. The catalytic system includes: (i) an organometallic complex represented by one of the following formulae A or B: where Ln represents a lanthanide and X a halogen, where, in the formula A, two ligand molecules Cp1 and Cp2 each consisting of a fluorenyl group, are attached to Ln, where, in the formula B, a ligand molecule consisting of two fluorenyl groups Cp1 and Cp2, joined together by a bridge P of formula MR2, where M is an element of column IVa and R is an alkyl with 1 to 20 carbon atoms, is attached to Ln, and (ii) a co-catalyst selected from an alkylmagnesium, an alkyllithium, an alkylaluminium, a Grignard reagent, or a mixture of these constituents.
    Type: Grant
    Filed: April 15, 2005
    Date of Patent: August 22, 2006
    Assignees: Michelin Recherche et Technique S.A., Total Petrochemicals Research Feluy
    Inventors: Vincent Monteil, Roger Spitz, Christophe Boisson