Transition Metal Is Group Viii (fe, Co, Ni, Ru, Ph, Pd, Os, Ir, Pt) Patents (Class 526/171)
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Patent number: 7018949Abstract: New ligands, compositions, metal-ligand complexes and arrays with pyridyl-amine ligands are disclosed that catalyze the polymerization of monomers into polymers. Certain of these catalysts with hafnium metal centers have high performance characteristics, including higher comonomer incorporation into ethylene/olefin copolymers, where such olefins are for example, 1-octene, isobutylene or styrene. Certain of the catalysts are particularly effective at polymerizing propylene to high molecular weight isotactic polypropylene in a solution process at a variety of polymerization conditions.Type: GrantFiled: December 31, 2003Date of Patent: March 28, 2006Assignee: Symyx Technologies, Inc.Inventors: Thomas R. Boussie, Gary M. Diamond, Christopher Goh, Keith A. Hall, Anne M. LaPointe, Margarete K. Leclerc, Cheryl Lund, Vince Murphy
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Patent number: 7015293Abstract: A cyclic olefin addition copolymer obtained by copolymerizing a cyclic olefin compound having a side chain substituent group with a ring structure, such as endo-tricyclo[4.3.0.12,5]deca-3,7-diene or endo-tricyclo[4.3.0.12,5]deca-3-ene, with another cyclic olefin compound such as bicyclo[2.2.1]hept-2-ene, and further with a cyclic olefin compound having a hydrolysable silyl group as needed, or hydrogenating after copolymerization; a composition for crosslinking in which a specific crosslinking agent is incorporated; a crosslinked product obtained by crosslinking the composition; an optical material containing the copolymer, the composition or the crosslinked product; and a method for producing the copolymer in which addition polymerization is conducted using a specific nickel catalyst.Type: GrantFiled: May 14, 2003Date of Patent: March 21, 2006Assignee: JSR CorporationInventors: Noboru Oshima, Tatsuya Sakai, Kenzo Ohkita, Takashi Tsubouchi
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Patent number: 7009013Abstract: 1,3-Butadiene is polymerized in a hydrocarbon solvent using a catalyst system containing (A) a cobalt salt, (B1) a phosphine compound having one branched aliphatic group of 3 or more carbon atoms or one alicyclic group of 5 or more carbon atoms and two aromatic groups, and (C) an organic aluminum compound, or a catalyst system containing (A) a cobalt salt, (B) (B1) a phosphine compound having one branched aliphatic group of 3 or more carbon atoms or one alicyclic group of 5 or more carbon atoms and two aromatic groups and/or (B2) a triarylphosphine compound having three aromatic groups, (C) an organic aluminum compound and (D) an active halogen-containing compound, thereby obtaining crystalline 1,2-polybutadiene.Type: GrantFiled: July 18, 2003Date of Patent: March 7, 2006Assignee: JSR CorporationInventors: Masahiro Shibata, Hisao Ono
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Patent number: 7005488Abstract: Polyolefins, preferably polyethylene, having a density of about 0.86 to about 0.93 g/mL, and having methyl branches and at least branches of two other different lengths of six carbon atoms or less, form heat seals at exceptionally low temperatures, thereby allowing good seals to be formed rapidly. This is advantageous when heat sealing these polyolefins, for example in the form of single or multilayer films.Type: GrantFiled: July 16, 2004Date of Patent: February 28, 2006Assignee: E. I. du Pont de Nemours and CompanyInventor: Benjamin Andrew Smillie
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Patent number: 7005486Abstract: A catalyst for addition polymerization obtained by contacting (A) an organoaluminum compound, (B) a specific boron compound and (C) a solid inorganic compound, and a process for producing an addition polymer characterized by polymerizing an addition-polymerizable monomer in the presence of the catalyst.Type: GrantFiled: March 30, 2005Date of Patent: February 28, 2006Assignee: Sumitomo Chemical Company, LimitedInventors: Wataru Hirahata, Yoshinori Seki
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Patent number: 7001964Abstract: Provided herein is an oligomerization product formed from alpha-olefins having at least three carbon atoms comprising dimers, at least about 80 weight percent of which are linear. In an embodiment, an oligomerization product formed from alpha-olefins having at least three carbon atoms comprises trimers, at least about 20 weight percent of which are linear. In another embodiment, an oligomerization product formed from alpha-olefins having at least three carbon atoms comprises tetramers, at least about 5 weight percent of which are linear. In yet another embodiment, an oligomerization product formed from alpha-olefins having at least three carbon atoms comprises pentamers, at least about 5 weight percent of which are linear.Type: GrantFiled: March 14, 2003Date of Patent: February 21, 2006Assignee: Chevron Phillips Chemical Company, LPInventor: Brooke L. Small
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Patent number: 7001863Abstract: Novel catalyst monoamide precursor compositions and the corresponding single site-like catalysts for olefin polymerization.Type: GrantFiled: December 18, 2001Date of Patent: February 21, 2006Assignee: Univation Technologies, LLCInventor: Rex Eugene Murray
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Patent number: 6995226Abstract: A ring-opened metathesis copolymer and its hydrogenated product having a desired monomer unit ratio and a high molecular weight and having hydroxyl groups or hydroxycarbonyl groups can be obtained by conducting a ring-opening metathesis copolymerization of a norbornene-type monomer having hydroxyl groups or hydroxycarbonyl groups with an unsubstituted norbornene-type monomer having at least three rings in the presence of a catalyst predominantly comprised of an organic ruthenium compound having coordinated therewith a neutral electron-donating ligand, and, if desired, hydrogenating the resulting copolymer. The thus-obtained ring-opened metathesis copolymer and its hydrogenation product are characterized by having a low water absorption, good adhesion to metal and other materials, good compatibility with a curing agent and other compounds, and high heat resistance, and exhibiting reduced signal retardation and signal noise.Type: GrantFiled: June 5, 2002Date of Patent: February 7, 2006Assignee: Zeon CorporationInventors: Kazunori Taguchi, Yasuo Tsunogae, Hitomi Takeuchi, Yasuhiro Wakisaka, Kei Sakamoto
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Patent number: 6992155Abstract: A method for producing a magnetic particle forming a magnetic material for absorbing electromagnetic waves comprises the steps of mixing an organometallic complex or a metal salt with a chain polymer and dissolving the mixture in a solvent (step S1); raising the temperature of the mixture to reaction temperature (step S2), carrying out a reaction at the reaction temperature (step S3); and forming the magnetic particle having a structure that the periphery of each fine particle formed from the organometallic complex or the metal salt is surrounded by the chain polymer and recovering the formed magnetic particle after the reaction (step S4). The magnetic particle has a nanogranular structure to become a magnetic material for absorbing electromagnetic waves. Such a magnetic particle is produced by a wet reaction. Thus, a larger amount of magnetic particle can be produced by one reaction.Type: GrantFiled: September 17, 2002Date of Patent: January 31, 2006Assignees: Sony CorporationInventors: Katsumi Okayama, Kaoru Kobayashi, Koichiro Inomata, Satoshi Sugimoto, Yoshihiro Kato
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Patent number: 6992154Abstract: The present invention provides a cyclic olefin addition copolymer which has a reactive silyl group having a specific structure, excels in optical transparency, heat resistance, and adhesion, and is capable of producing a crosslinked product having improved dimensional stability, solvent resistance, and chemical resistance. The present invention also provides a process for producing the cyclic olefin addition copolymer, a crosslinking composition, a crosslinked product and a process for producing the same, and an optically transparent material (transparent resin film) comprising the cyclic olefin addition copolymer. The optically transparent material excels in optical transparency and heat resistance, exhibits improved dimensional stability, adhesion, solvent resistance, and chemical resistance, and is capable of improving fragility and preventing occurrence of cracks in the film.Type: GrantFiled: October 21, 2004Date of Patent: January 31, 2006Assignee: JSR CorporationInventors: Noboru Oshima, Yooichiroh Maruyama, Michitaka Kaizu, Katsutoshi Sawada, Toshihiro Hayashi, Kenzo Ohkita
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Patent number: 6989426Abstract: The current major way of making nanofibers is electrospinning. However, the minimum fiber diameter is limited to be about 300–500 nm, which is not compliant with the physical definition of nano structures (in the region of 1 to 100 nm). Futher, the productivity is relatively low. This invention provides a method for manufacturing a nano-sized di-block polymer including at least a hard-segment polymer and a soft-segment polymer. First, a sample containing the hard-segment polymer, the soft-segment polymer, and a catalyst is dissolved in a first solvent. Then the dissolved sample is cast on substrate, and then the first solvent to is removed form a dried sample. Finally, the nano-sized di-block polymer is formed by crew-cutting.Type: GrantFiled: June 12, 2003Date of Patent: January 24, 2006Assignee: The Hong Kong Polytechnic UniversityInventors: Jinlian Hu, Subrata Mondal
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Patent number: 6984722Abstract: A cationic Group 3 or Lanthanide metal complex for coordination polymerization of olefins is disclosed. The precursor metal complex is stabilized by a monoanionic bidentate ancillary ligand and two monoanionic ligands. The ancillary ligand and the transition metal form a metallocycle having at least five primary atoms, counting any ?-bound cyclopentadienyl group in the metallocycle as two primary atoms. Olefin polymerization is exemplified.Type: GrantFiled: November 29, 2001Date of Patent: January 10, 2006Assignee: ExxonMobil Chemical Patents Inc.Inventors: Joseph N Christopher, Kevin R. Squire, Jo Ann M. Canich, Timothy D. Shaffer
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Patent number: 6969748Abstract: Complexes of the formula I where M?Ni, Pd; process for preparing the metal complexes and the use of the complexes obtainable in this way for the polymerization and copolymerization of olefins, for example in suspension polymerization processes, gas-phase polymerization processes and bulk polymerization processes.Type: GrantFiled: October 12, 2004Date of Patent: November 29, 2005Assignee: BASF AktiengesellschaftInventors: Marc Oliver Kristen, Peter Preishuber-Pflügl, Benno Bildstein, Alexander Krajete
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Patent number: 6969751Abstract: The present invention relates to a method for preparing homo- and co-polymers having high molecular weights in high yields by polymerizing cyclic olefin compounds using a complex prepared by mixing a nickel salt compound, an organoaluminoxane compound, and at least one fluorine-containing compound.Type: GrantFiled: November 24, 2004Date of Patent: November 29, 2005Assignee: Korea Kumho Petrochemical Co., Ltd.Inventors: Young Chan Jang, Hyun Kyung Sung, Eun Joo Park
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Patent number: 6965004Abstract: Metal-ligand complexes that are useful as precursors to catalysts for the polymerization of olefins are provided. Certain of the catalysts are particularly effective at polymerizing ethylene and styrene into copolymers having novel properties, including a low molecular weight and close comparison between vinyl and methyl end groups.Type: GrantFiled: May 20, 2004Date of Patent: November 15, 2005Assignee: Symyx Technologies, Inc.Inventors: Oliver Brümmer, Gary M. Diamond, Christopher Goh, Anne M. LaPointe, Margarete K. Leclerc, James Longmire, James A. W. Shoemaker
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Patent number: 6962890Abstract: An olefin polymerization catalyst having a high polymerization activity at high temperatures and a process for olefin polymerization using the catalyst are disclosed. The olefin polymerization catalyst comprises a transition metal compound which is represented by the following formula (I) and in which the net charge parameter of the central metal is not more than 2.00: wherein M is a transition metal atom of Group 4 to Group 5 of the periodic table, m is an integer of 1 to 5, Q is —N? or —C(R2)?, A is —O—, —S—, —Se— or —N(R5)—, R1 is an aliphatic hydrocarbon group or an alicyclic hydrocarbon group, R2 to R5 are each a hydrogen atom, a hydrocarbon group, an oxygen-containing group or the like, n is a number satisfying a valence of M, and X is a hydrogen atom, a halogen atom, a hydrocarbon group or the like.Type: GrantFiled: April 23, 2002Date of Patent: November 8, 2005Assignee: Mitsui Chemicals, Inc.Inventors: Naoto Matsukawa, Kazutaka Tsuru, Masatoshi Nitabaru, Junji Saito, Tetsuhiro Matsumoto
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Patent number: 6958377Abstract: A process for polymerizing olefins is disclosed. The process uses an organometallic complex with at least one non-bridged indenoindolyl ligand bonded to M. The substituent on the indole nitrogen contains an atom selected from the group consisting of S, O, P, and N. Polyolefins from the process have unexpectedly high molecular weight compared with polyolefins made using similar supported indenoindolyl complexes.Type: GrantFiled: October 15, 2003Date of Patent: October 25, 2005Assignee: Equistar Chemicals, LPInventors: Sandor Nagy, Barbara M. Tsuie
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Patent number: 6958375Abstract: The present invention is directed to a novel one-step method for forming a supported catalyst complex of high activity by substantially simultaneously contacting a bidentate or tridentate ligand forming compound, a transition metal compound and a chromium immobilized Lewis acid support-agglomerate. The catalyst can be formed prior to polymerization of olefins or within the polymerization reaction zone.Type: GrantFiled: April 10, 2002Date of Patent: October 25, 2005Assignee: W.R. Grace & Co.-Conn.Inventors: Keng-Yu Shih, Dean Alexander Denton, Rimantas Glemza
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Patent number: 6956089Abstract: The invention provides for polymerization catalyst compositions, and for methods for introducing the catalyst compositions into a polymerization reactor. More particularly, the method combines a catalyst component containing slurry and a catalyst component containing solution to form the completed catalyst composition for introduction into the polymerization reactor. The invention is also directed to methods of preparing the catalyst component slurry, the catalyst component solution and the catalyst compositions, to methods of controlling the properties of polymer products utilizing the catalyst compositions, and to polymers produced therefrom.Type: GrantFiled: February 24, 2003Date of Patent: October 18, 2005Assignee: Univation Technologies, LLCInventors: Simon Mawson, Sun-Chueh Kao, Tae Hoon Kwalk, Timothy Roger Lynn, David H. McConville, Matthew Gary McKee, John Francis Szul, Kersten Anne Terry, Timothy T. Wenzel, Mark Gregory Goode, John Henry Oskam, Robert J. Jorgensen, Robert Harold Vogel
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Patent number: 6953829Abstract: A catalyst system comprising at least one metallocene, at least one cocatalyst, at least one support material and, if desired, further organometallic compounds is described. The catalyst system can advantageously be used for the polymerization of olefins and displays a high catalyst activity and gives a good polymer morphology without it being necessary to use aluminoxanes such as methylaluminoxane (MAO), which usually has to be used in high excess, as cocatalyst.Type: GrantFiled: December 13, 2000Date of Patent: October 11, 2005Assignee: Basell Polyolefine GmbHInventors: Roland Kratzer, Cornelia Fritze, Jörg Schottek
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Patent number: 6951831Abstract: A catalyst composition for use in dimerizing, co-dimerizing or oligomerizing olefins comprises: at least one zero-valent nickel complex; at least one acid with formula H+X? in which X? represents an anion; and at least one ionic liquid with general formula Q+ A? in which A? is an anion identical to or different from X?. The composition can also comprise a nitrogen-containing ligand. It can be used in dimerizing, co-dimerizing, oligomerizing and in polymerizing olefins.Type: GrantFiled: February 3, 2003Date of Patent: October 4, 2005Assignee: Institut Francais du PetroleInventors: Vincent Lecocq, Hélène Olivier-Bourbigou
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Patent number: 6949613Abstract: The application discloses supported initiators for transition metal mediated living free radical and/or atom transfer polymerisation comprising an initiator moiety attached to a support via a selectively cleavable link, and their use to produce polymers.Type: GrantFiled: June 8, 2001Date of Patent: September 27, 2005Assignee: University of WarwickInventor: David Mark Haddleton
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Patent number: 6946533Abstract: A method for synthesizing cyclic polymers using transition metal alkylidene complexes as reaction catalysts is provided, wherein the complexes contain a cyclic group. Polymerization is carried out on the catalyst, using cyclic olefin monomers that undergo ring insertion polymerization, and no linear intermediates are generated. Following completion of polymerization, the cyclic polymer detaches from the complex via an intramolecular chain transfer reaction and the catalytic complex is regenerated. The invention also provides novel transition metal alkylidene complexes useful as catalysts in the aforementioned process, as well as novel cyclic hydrocarbons.Type: GrantFiled: August 1, 2003Date of Patent: September 20, 2005Assignee: California Institute of TechnologyInventors: Robert Grubbs, Chris Bielawski, Diego Benitez
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Patent number: 6936672Abstract: A catalyst system and a process for the bulk addition polymerization or of polycyclic olefins, such as norbornene, methylnorbornene, ethylnorbornene, butylnorbornene or hexylnorbornene, 1,2,3,4,4a,5,8,8a-octahydro-1,4:5,8-dimethanonapthalene, 5,5?-(1,2-ethanediyl)bisbicyclo[2.2.1]hept-2-ene, and 1,4,4a,4b,5,8,8a,8b-octahydro-1,4:5,8-dimethanobiphenylene are disclosed. The catalyst includes an organonickel or organopalladium transition metal procatalyst and an activator compound. Polymerization can be carried out in a reaction injection molding process to yield thermoplastic and thermoset molded polymeric articles possessing high glass transition temperatures.Type: GrantFiled: August 2, 2001Date of Patent: August 30, 2005Assignee: Sumitomo Bakelite Co., Ltd.Inventors: Andrew Bell, Larry F. Rhodes, Brian L. Goodall, John C. Fondran, Lester H. Mclntosh, III, Dennis A. Barnes
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Patent number: 6936674Abstract: A process for producing a poly-olefin is disclosed, which comprises contacting at least one 1-olefin under polymerisation conditions with a polymerisation catalyst or catalyst system comprising (1) a compound having the Formula (I) wherein M is Fe[II], Fe[III], Co[I], Co[II], Co[III], Mn[I], Mn[II], Mn[III], Mn[IV], Ru[II], Ru[III], Ru[IV], V[II], V[III], V[IV], or V[V], Ti[II], Ti[III] or Ti[IV]; X represents an atom or group covalently or ionically bonded to the transition metal M; T is the oxidation state of the transition metal M and b is the valency of the atom or group X; R1, R2, R3, R4, R5, R6 and R7 are independently selected from hydrogen, halogen, hydrocarbyl, substituted hydrocarbyl, heterohydrocarbyl or substituted heterohydrocarbyl; and when any two or more of R1-R7 are hydrocarbyl, substited hydrocarbyl, heterohydrocarbyl or substituted heterohydrocarbyl, said two or more can be linked to form one or more cyclic substituents; and optionally (2) an activating quantity of an activator compound comType: GrantFiled: November 30, 2000Date of Patent: August 30, 2005Assignee: BP Chemicals LimitedInventors: Patrick Daniel Yves Behue, Marianne Gil, Susan Katherine Christie, John Norman Reid Samson
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Patent number: 6936563Abstract: The invention relates to coordination compounds of the general formulae (Ia) to (Ib), wherein M=Ti, Zr, Hf, V, Nb or Ta. The invention also relates to a method for producing the metal complexes and to the use of the complexes so obtained for the polymerization and copolymerization of olefins.Type: GrantFiled: February 7, 2002Date of Patent: August 30, 2005Assignee: BASF AktiengesellschaftInventors: Marc Oliver Kristen, Benno Bildstein, Alexander Krajete
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Patent number: 6933355Abstract: Metal-ligand complexes that are useful as precursors to catalysts for the polymerization of olefins are provided. Certain of the catalysts are particularly effective at polymerizing ethylene and styrene into copolymers having novel properties, including a low molecular weight and close comparison between vinyl and methyl end groups.Type: GrantFiled: May 20, 2004Date of Patent: August 23, 2005Assignee: Symyx Technologies, Inc.Inventors: Oliver Brümmer, Gary M. Diamond, Christopher Goh, Anne M. LaPointe, Margarete K. Leclerc, James Longmire, James A. W. Shoemaker
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Patent number: 6933359Abstract: Ethylene, dienes and optionally ?-olefins are copolymerized by selected iron complexes of 2,6-pyridinecarbox-aldehydebis(imines) and 2,6-diacylpyridinebis(imines). The resulting copolymers contain residual olefinic unsaturation from the diene monomers, and some of these copolymers contain cyclic units in the main chain.Type: GrantFiled: January 5, 2004Date of Patent: August 23, 2005Assignee: E. I. du Pont de Nemours and CompanyInventors: Alison Margaret Anne Bennett, Elizabeth Forrester McCord
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Patent number: 6927313Abstract: Process for the selective oligomerization of ethylene to give ?-olefins essentially consisting of C4 to C8, characterized in that it is carried out in the presence of a catalytic system comprising the complex having general formula (II): (L)M(Y)n wherein L represents the ligand having general formula (I) M represents a transition metal; Y is selected from groups of an anionic nature bound to the metal as anion in ionic couple or with a covalent bond of the “?” type.Type: GrantFiled: October 3, 2001Date of Patent: August 9, 2005Assignee: Polimeri Europa S.p.A.Inventors: Claudio Bianchini, Anna Sommazzi, Giuseppe Mantovani, Roberto Santi, Francesco Masi
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Patent number: 6914109Abstract: The invention relates to a process for the preparation of 15-pentadecanolide by hydrogenating 15-pentadecenolide and to its use.Type: GrantFiled: March 18, 2002Date of Patent: July 5, 2005Assignee: Symrise GmbH & Co. KGInventors: Walter Kuhn, Oskar Koch, Hans-Ulrich Funk, Gerhard Senft
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Patent number: 6911506Abstract: Novel metal complexes, particularly chromium complexes, which contain at least one tridentate ligand are disclosed and prepared. Olefins, particularly ethylene, can be reacted to form butene and/or other homo- or co-oligomers and/or polymers with high ?-olefin concentrations by contacting a metal catalyst which contains a transition metal, particularly chromium, complexes having per metal atom at least one tridentate ligand with N, O, or N and O coordinating sites.Type: GrantFiled: December 10, 2001Date of Patent: June 28, 2005Assignee: Chevron Phillips Chemical Company LPInventors: Brooke L. Small, Angel Jose Marcucci
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Patent number: 6911505Abstract: Processes for the production of alpha-olefins, including dimerization and isomerization of olefins using a cobalt catalyst complex are provided herein. The olefins so produced are useful as monomers in further polymerization reactions and are useful as chemical intermediates.Type: GrantFiled: October 4, 2002Date of Patent: June 28, 2005Assignee: Chevron Phillips Chemical Company, LPInventor: Brooke L. Small
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Patent number: 6908877Abstract: Support within the disclosure of the present application can only be found for the treatment of the dehydrated silica catalyst carrier with a silazane compound and not with a silane compound.Type: GrantFiled: May 23, 2002Date of Patent: June 21, 2005Assignee: LG Chem. Ltd.Inventors: Sang-Young Shin, Choong-Hoon Lee, Eun-Jung Lee, Jae-Seung Oh
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Patent number: 6906156Abstract: Accelerators that can be useful for an energy polymerizable composition comprising a cationically curable material; energy polymerizable compositions comprising at least one cationically curable material and an initiation system therefor, the initiation system comprising at least one organometallic complex salt and at least one accelerator; and a method for curing the compositions. The cured compositions can provide useful articles. The invention also provides compositions of matter comprising an organometallic complex salt and at least one compound selected from the Class 1 through Class 4 compounds disclosed herein.Type: GrantFiled: September 2, 2003Date of Patent: June 14, 2005Assignee: 3M Innovative Properties CompanyInventors: Wayne S. Mahoney, Michael C. Palazzotto
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Patent number: 6906112Abstract: A radiation-curable composition which includes a cyanoacrylate component or a cyanoacrylate-containing formulation; a metallocene component; and a polymerizingly effective amount of a photoinitiator to accelerate the rate of cure is provided.Type: GrantFiled: March 12, 2002Date of Patent: June 14, 2005Assignee: Henkel CorporationInventors: Stan Wojciak, Shabbir Attarwala
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Patent number: 6903171Abstract: Methods for the addition polymerization of cycloolefins using a cationic Group 10 metal complex and a weakly coordinating anion of the formula: [(R?)zM(L?)x(L?)y]b[WCA]d wherein [(R?)zM(L?)x(L?)y] is a cation complex where M represents a Group 10 transition metal; R? represents an anionic hydrocarbyl containing ligand; L? represents a Group 15 neutral electron donor ligand; L? represents a labile neutral electron donor ligand; x is 1 or 2; and y is 0, 1, 2, or 3; and z is 0 or 1, wherein the sum of x, y, and z is 4; and [WCA] represents a weakly coordinating counteranion complex; and b and d are numbers representing the number of times the cation complex and weakly coordinating counteranion complex are taken to balance the electronic charge on the overall catalyst complex.Type: GrantFiled: October 15, 2002Date of Patent: June 7, 2005Assignee: Promerus, LLCInventors: Larry Funderburk Rhodes, Andrew Bell, Ramakrishna Ravikiran, John C. Fondran, Saikumar Jayaraman, Brian Leslie Goodall, Richard A. Mimna, John-Henry Lipian
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Patent number: 6903176Abstract: High density polyethylene made using a cobalt or iron complex of a selected tridentate ligand as a polymerization catalyst may be made into packaging which has advantageous properties, especially lower permeation to ambient materials such as oxygen and/or water. The packaging, such as bottles, bags and rigid storage tanks, may be formed by conventional methods.Type: GrantFiled: February 5, 2004Date of Patent: June 7, 2005Assignee: E. I. DuPont de Nemours and CompanyInventor: John McNally Cameron
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Patent number: 6900278Abstract: Complexes of the formula I, where M is an element of group 6 to 10 of the Period Table of the Elements, preferably Ni, can be used for the polymerization and copolymerization of olefins, for example in suspension polymerisation processes, gas-phase polymerization processes, bulk polymerization processes or emulsion polymerization processes.Type: GrantFiled: July 13, 2001Date of Patent: May 31, 2005Assignee: BASF AktiengesellschaftInventors: Marc Oliver Kristen, Benno Bildstein, Christoph Amort, Michael Malaun
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Patent number: 6900153Abstract: A method for forming supported late transition metal olefin polymerization catalysts is described in which an already formed transition metal complex, usually containing a reactive functional group, is placed on a support containing a complementary reactive functional group. Also described are novel polymerization catalyst components containing late transition metal complexes of neutral tridentate ligands.Type: GrantFiled: March 27, 2002Date of Patent: May 31, 2005Assignees: E.I. Du Pont de Nemours and Company, University of North Carolina at Chapel HillInventor: Peter Preishuber-Pfluegl
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Patent number: 6897275Abstract: Transition metal complexes of selected monoanionic phosphine ligands, which also contain a selected Group 15 or 16 (IUPAC) element and which are coordinated to a Group 3 to 11 (IUPAC) transition metal or a lanthanide metal, are polymerization catalysts for the (co)polymerization of olefins such as ethylene and ?-olefins, and the copolymerization of such olefins with polar group-containing olefins. These and other nickel complexes of neutral and monoanionic bidentate ligands copolymerize ethylene and polar comonomers, especially acrylates, at relatively high ethylene pressures and surprisingly high temperatures, and give good incorporation of the polar comonomers and good polymer productivity. These copolymers are often unique structures, which are described.Type: GrantFiled: May 31, 2001Date of Patent: May 24, 2005Assignee: E. I. du Pont de Nemours and CompanyInventors: Lin Wang, Elisabeth Hauptman, Lynda Kaye Johnson, Elizabeth Forrester McCord, Ying Wang, Steven Dale Ittel
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Patent number: 6897272Abstract: Disclosed herein are processes for polymerizing ethylene, acyclic olefins, and/or selected cyclic olefins, and optionally selected olefinic esters or carboxylic acids, and other monomers. The polymerizations are catalyzed by selected transition metal compounds, and sometimes other co-catalysts. Since some of the polymerizations exhibit some characteristics of living polymerizations, block copolymers can be readily made. Many of the polymers produced are often novel, particularly in regard to their microstructure, which gives some of them unusual properties. Numerous novel catalysts are disclosed, as well as some novel processes for making them. The polymers made are useful as elastomers, molding resins, in adhesives, etc.Type: GrantFiled: August 23, 2000Date of Patent: May 24, 2005Assignee: E.I. Du Pont de Nemours and CompanyInventors: Maurice S. Brookhart, Lynda Kaye Johnson, Samuel David Arthur, Stephan James McLain
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Patent number: 6894128Abstract: Catalyst compositions and methods useful in polymerization processes utilizing at least two metal compounds are disclosed. At least one of the metal compounds is a Group 15 containing metal compound and the other metal compound is preferably a bulky ligand metallocene-type catalyst. The invention also discloses a new polyolefin, generally polyethylene, particularly a multimodal polymer and more specifically, a bimodal polymer, and its use in various end-use applications such as film, molding and pipe. The Group 15 containing metal compound is represented in one embodiment by the formulae: wherein M is a Group 4, 5, or 6 metal; each X is independently a leaving group; y is 0 or 1; n is the oxidation state of M; m is the formal change of the ligand comprising the YZL or YZL? groups; L is a Group 15 or 16 element; L? is a Group 15 or 16 element or Group 14 containing group; Y is a Group 15 element; Z is a Group 15 element; and the other groups are as defined herein.Type: GrantFiled: August 5, 2003Date of Patent: May 17, 2005Assignee: Univation Technologies, LLCInventors: Donald R. Loveday, David H. McConville, John F. Szul, Kersten Anne Erickson, Simon Mawson, Tae Hoon Kwack, Frederick J. Karol, David James Schreck
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Patent number: 6894134Abstract: Disclosed herein are processes for polymerizing ethylene, acyclic olefins, and/or selected cyclic olefins, and optionally selected olefinic esters or carboxylic acids, and other monomers. The polymerizations are catalyzed by selected transition metal compounds, and sometimes other co-catalysts. Since some of the polymerizations exhibit some characteristics of living polymerizations, block copolymers can be readily made. Many of the polymers produced are often novel, particularly in regard to their microstructure, which gives some of them unusual properties. Numerous novel catalysts are disclosed, as well as some novel processes for making them. The polymers made are useful as elastomers, molding resins, in adhesives, etc.Type: GrantFiled: June 22, 2001Date of Patent: May 17, 2005Assignees: E. I. duPont de Nemours and Company, University of North Carolina at Chapel HillInventors: Maurice S. Brookhart, Lynda Kaye Johnson, Christopher Moore Killian, Elizabeth Forrester McCord, Stephan James McLain, Samuel David Arthur
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Patent number: 6887956Abstract: A catalyst system suitable for use in the production of high cis polybutadiene is disclosed. The catalyst system includes a cobalt salt of the formulaCoAx?, where A is a monovalent or divalent anion and x is 1 or 2; an alkyl aluminum chloride compound of the structure R2AlCl, where R is an alkyl group containing 2-8 carbon atoms; a trialkyl aluminum compound of the formula R3Al, where R is an alkyl group containing 2-8 carbon atoms; and a catalytic amount of water.Type: GrantFiled: October 2, 2001Date of Patent: May 3, 2005Assignee: Dow Global Technologies Inc.Inventors: Adriaan A. van der Huizen, Jean-Marc Potlet, Alain Sabatier, Patrick Le Roy
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Patent number: 6872792Abstract: An adhesive or coating composition prepared by mixing together at least one metathesizable highly-reactive cycloolefin (e.g., a norbornadiene) and a metathesis catalyst. The use of highly-reactive cycloolefins can provide exceptional adherence to a low-surface-tension substrate. Another embodiment is a two-part adhesive or coating system wherein the first part includes at least one first metathesizable material, and the second part includes at least one liquid metathesis oligomer or polymer and a metathesis catalyst.Type: GrantFiled: June 25, 2001Date of Patent: March 29, 2005Assignee: Lord CorporationInventors: Jonathan L. Kendall, Kenneth C. Caster
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Patent number: 6867274Abstract: The present invention relates to telechelic polymers having crosslinkable end groups of the formula and methods for preparing the same wherein n is an integer; is an alkadienyl group; Y is an alkyl group; and Z is crosslinkable end group. In general, the inventive synthesis involves reacting a functionalized chain transfer agent having crosslinkable ends with a cycloalkene in the presence of a ruthenium or osmium catalyst of the formula wherein: M is ruthenium or osmium; X and X1 are independently any anionic ligand; L and L1 are any neutral electron donor ligand; R and R1 are each hydrogen or a substituted or unsubstituted substituent wherein the substituent is selected from the group consisting of C1-C20 alkyl, C2-C20 alkenyl, C1-C20 alkynyl, aryl, C1-C20 carboxylate, C1-C20 alkoxy, C2-C20 alkenyloxy, C2-C20 alkynyloxy, aryloxy, C2-C20 alkoxycarbonyl, C1-C20 alkylthio, C1-C20 alkylsulfonyl and C1-C20 alkylsulfinyl.Type: GrantFiled: May 21, 2002Date of Patent: March 15, 2005Assignee: California Institute of TechnologyInventors: Bob R. Maughon, Takeharu Morita, Robert H. Grubbs
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Patent number: 6867241Abstract: The present invention relates to a radiation-curable composition which includes a cyanoacrylate component or a cyanoacrylate-containing formulation, a metallocene component, a hydrogen abstraction photoinitiator, and hydrogen donor component to enhance the activity of the hydrogen abstraction photoinitiator.Type: GrantFiled: January 31, 2002Date of Patent: March 15, 2005Assignee: Henkel CorporationInventors: Stan Wojciak, Shabbir Attarwala, John T. O'Connor, S. Peter Pappas
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Patent number: 6864325Abstract: The invention relates to metathesis polymers wherein an aromatic group that has UV-light absorbing properties is attached with a bridge group to the polymer. Also disclosed is a polymerizable composition comprising a catalytically effective amount of a penta- or hexavalent ruthenium or osmium carbene catalyst, the process for preparing the metathesis polymer by applying the reaction conditions of Ring Opening Metathesis Polymerization (=ROMP) to the polymerizable composition; and various technical applications of the metathesis polymers.Type: GrantFiled: February 13, 2001Date of Patent: March 8, 2005Assignee: Ciba Specialty Chemicals CorporationInventors: Alessandro Zedda, Dario Lazzari, Massimiliano Sala, Michela Bonora, Manuele Vitali, Paul Adriaan Van Der Schaaf
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Patent number: 6852659Abstract: The present invention relates to a catalyst composition of a supported activator, a catalyst compound and an ionizing activator and its use in a process for polymerizing olefin(s). The invention is also directed to a method for making the catalyst composition above.Type: GrantFiled: November 16, 2000Date of Patent: February 8, 2005Assignee: Univation Technologies, LLCInventors: Sun-Chueh Kao, Parul A. Khokhani
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Patent number: 6846771Abstract: Complexes of the formulae Ia and Ib where M=Ti, Zr, Hf, V, Nb, Ta, Cr, Ni, Pd, 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, 2003Date of Patent: January 25, 2005Assignee: BASF AktiengesellschaftInventors: Marc Oliver Kristen, Peter Preishuber-Pflügl, Benno Bildstein, Alexander Krajete