Compound With Silicon-hydrogen Bond Or Organic Compound With Silicon-carbon Bond Patents (Class 502/158)
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Publication number: 20120123070Abstract: 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: ApplicationFiled: April 27, 2010Publication date: May 17, 2012Applicants: 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
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Patent number: 8148287Abstract: The present invention relates to a method for preparing a heterogenised catalyst, comprising grafting a catalyst or catalyst precursor, via click chemistry, to a siliceous mesocellular foam (MCF). The invention also relates to a heterogenised catalyst comprising a catalyst species grafted onto a siliceous mesocellular foam (MCF) via a 1,2,3-triazole.Type: GrantFiled: March 20, 2008Date of Patent: April 3, 2012Assignee: Agency for Science, Technology and ResearchInventors: Jackie Y. Ying, Jaehong Lim, Su Seong Lee, Siti Nurhanna binte Riduan
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Publication number: 20120077668Abstract: A photocatalyst-supporting sheet includes at least an active energy ray-curable resin layer and a photocatalyst layer which are provided in that order on a substrate. The active energy ray-curable resin layer contains a composite resin (A) in which a polysiloxane segment (a1) and a vinyl polymer segment (a2) are bonded through a bond represented by general formula (3), the polysiloxane segment (a1) having a structural unit represented by general formula (1) and/or general formula (2) and having a silanol group and/or a hydrolyzable silyl group.Type: ApplicationFiled: April 27, 2010Publication date: March 29, 2012Inventors: Yasuhiro Takada, Hidekazu Miyano, Shinichi Kudo
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Publication number: 20120071700Abstract: Disclosed are catalysts for hydrogenation of unsaturated hydrocarbons comprising at least one carrier, at least one active metallic component supported on the at least one carrier, and at least one silane group; and wherein the at least one active metallic component is chosen from palladium, platinum, nickel, copper, and ruthenium; the at least one silane group is grafted to the catalyst by silylation and is present in an amount ranging from 0.05% to 25% by weight relative to the total weight of the catalyst. Also disclosed are processes for the preparation of the catalysts and processes using the catalysts for hydrogenation of unsaturated hydrocarbons.Type: ApplicationFiled: September 21, 2011Publication date: March 22, 2012Inventors: Long Huang, Wei Dai, Baoliang Tian, Hui Peng, Guoqi Tang
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Patent number: 8088878Abstract: ?-cyclopentadienyl-tri(?-hydrocarbyl) platinum compounds in which the cyclopentadienyl ring is linked to a hydrolysable silyl group by an alkylene group are effective light-activated hydrosilylation catalysts which are also non-volatile.Type: GrantFiled: January 22, 2009Date of Patent: January 3, 2012Assignee: Wacker Chemie AGInventor: Andreas Koellnberger
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Publication number: 20110312490Abstract: A new method for preparing a supported catalyst is herein provided. A carbon nanotube structure such as a rigid porous structure is formed from carbon nanotubes. A metal catalyst is then loaded or deposited onto the carbon nanotube structure. The loaded carbon nanotube is preferably ground to powder form.Type: ApplicationFiled: August 3, 2011Publication date: December 22, 2011Inventors: Jun Ma, David Moy, Howard Tennent, Robert Hoch, Alan Fischer
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Patent number: 8043990Abstract: The invention relates to a catalyst system for polymerization of olefins, the catalyst system comprising a titanium-containing procatalyst carrying internal electron donor(s), an organoaluminium cocatalyst and a mixture of external electron donors, the mixture comprising a carboxylic acid ester or derivatives thereof, an alkoxy silane and a nitrogen based compound. The invention also relates to a process for polymerization of olefin(s) and to the polyolefin synthesized by the process.Type: GrantFiled: August 25, 2008Date of Patent: October 25, 2011Assignee: Reliance Industries LimitedInventors: Virendrakumar Gupta, Harshad Ramdas Patil, Dhananjay Ghelabhai Naik, Sukhdeep Kaur, Gurmeet Singh, Priyanshu Bharatkumar Vyas
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Patent number: 8043991Abstract: A process for selectively making 2-alkenes from a NAO using a mesoporous catalyst that has been surface modified with a Brönsted acid compound. The Brönsted acid compound has a reactive silane connector, an organic linking group, and a Brönsted acid group. The mesoporous catalyst has an average pore diameter in a range of about 12 to about 100 Angstroms and a surface area of between about 400 to about 1400 m2/gram.Type: GrantFiled: December 16, 2009Date of Patent: October 25, 2011Assignee: Chevron Phillips Chemical Company LPInventors: Ta Yen Ching, Jeffery Gee, Ruthann M. Hickox
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Patent number: 8003562Abstract: A silica base composite photocatalyst that has appropriate water purification capability, inhibiting precipitation of metal oxides; and a process for producing the same. The silica base composite photocatalyst is one composed mainly of a composite oxide phase consisting of an oxide phase (first phase) composed mainly of silica component and a titania phase (second phase) wherein the ratio of presence of the second phase increases aslope toward the surface layer, characterized in that at least one metal oxide selected from among strontium titanate and barium titanate is contained in the second phase.Type: GrantFiled: September 14, 2007Date of Patent: August 23, 2011Assignee: Ube Industries, Ltd.Inventors: Hiroyuki Yamaoka, Yoshikatsu Harada, Teruaki Fujii, Shinichirou Otani, Tadashi Matsunaga
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Patent number: 8003743Abstract: A process for preparing 1-butene polymers comprising polymerizing 1-butene and optionally ethylene, propylene or higher alpha-olefin, in the presence of a catalyst system obtainable by contacting: a) metallocene compound of formula (I): wherein: M is a transition metal; p is an integer from 0 to 3; X, same or different, is a hydrogen atom, a halogen atom, or a hydrocarbon group; L is a divalent C1-C40 hydrocarbon radical; R1 is a C1-C40 hydrocarbon radical; T1, is a moiety of formula (IIa) or (IIb): wherein R2 and R3, are C1-C40 hydrocarbon radicals or they can form together a C3-C7-membered ring; R4 is C1-C40 hydrocarbon radicals; T2 and T3, are a moiety of formula (IIIa) or (IIIb): wherein R6 and R7, equal to or different from each other, are hydrogen atoms or C1-C40 hydrocarbon radicals; R5 is a hydrogen atom or a C1-C40 hydrocarbon radicals; with the proviso that if T1 is a moiety of formula (IIa) at least one between T2 and T3 is a moiety of formula (IIIb), and if T1 is a moiety of formulaType: GrantFiled: May 31, 2005Date of Patent: August 23, 2011Assignee: Basell Poliolefine Italia, S.R.L.Inventors: Luigi Resconi, Friederike Morhard
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Publication number: 20110190115Abstract: The invention relates to a metal-containing organosilica catalyst, and use thereof in metal-catalyzed reactions. The invention relates to a process of preparation of the metal-containing organosilica catalyst comprising i) mixing a silicon source with an hydrolytic solvent; ii) adding one or more metal catalyst or a precursor thereof; iii) treating the mixture of step ii) with a condensation catalyst and iv) optionally treating the mixture resulting from step iii) with one or more reducing or oxydating agent such as to provide the required oxidation level to the metal catalyst.Type: ApplicationFiled: August 4, 2009Publication date: August 4, 2011Inventors: Rosaria Ciriminna, Mario Pagliaro, Giovanni Palmisano, Valerica Pandarus, Lynda Tremblay, Francois Béland, Mathieu Simard
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Patent number: 7977435Abstract: Provided are a propylene polymer compositions comprising a propylene copolymer and a propylene homopolymer polymerized in the presence of the propylene copolymer. The propylene polymer compositions exhibit properties such as broad molecular weight distribution, low crystallinity, high solubles and superior crystallization kinetics and are useful in fast cycle-time processing methods such as injection molding, sheet extrusion, thermoforming, and oriented film fabrication. Also provided is a process for preparing the propylene polymer compositions in the presence of a catalyst and at least two electron donors using sequential or parallel polymerization reaction zones. Finally, articles made from the propylene polymer composition are provided, particularly articles requiring high stiffness, high heat deflection temperature, good fatigue resistance and low temperature impact resistance such as appliance parts.Type: GrantFiled: July 12, 2006Date of Patent: July 12, 2011Inventors: Chon-Yie Lin, Stephen Francis Broadbent
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Publication number: 20110163044Abstract: A ceramic structure for water treatment, a water treatment apparatus and method are provided. Immersion efficiency of a photo catalyst and a specific surface area of the immersed photo catalyst can be improved using a ceramic medium including a ceramic paper prepared of a ceramic fiber. Accordingly, it is possible to provide the water treatment apparatus and method capable of increasing decomposition efficiency of contaminated materials due to irradiation of ultraviolet light, and so on, enabling continuous purification treatment, and remarkably reducing preparation, management and water treatment expenses.Type: ApplicationFiled: December 23, 2010Publication date: July 7, 2011Applicant: LG HAUSYS, LTD.Inventors: Moonsuk HAN, Ju-Hyung Lee, Seongmoon Jung
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Publication number: 20110143914Abstract: A photocatalyst-coated body includes a substrate with an organic material as a surface thereof, a photocatalyst layer with interstices between the particles in the layer and an intermediate layer provided between the substrate and the photocatalyst layer. The photocatalyst layer includes photocatalyst particles in a range of 1 part?x<20 parts by mass, inorganic oxide particles in a range of 70 parts?y<99 parts by mass, and a dried substance of a hydrolyzable silicone in a range of zero parts?z<10 parts by mass, provided that a total amount of the photocatalyst particles, the inorganic oxide particles, and the dried substance of the hydrolyzable silicone is 100 parts by mass in terms of silica. The intermediate layer comprising a silicone-modified resin, wherein the silicone-modified resin includes silicon atom in an amount of 0.2% by mass or more and less than 16.5% by mass.Type: ApplicationFiled: February 24, 2011Publication date: June 16, 2011Applicant: TOTO LTD.Inventors: Satoru KITAZAKI, Junji KAMESHIMA, Koji OMOSHIKI, Yoji TAKAKI, Yuki TANAKA, Hironaga IWATA, Makoto HAYAKAWA, Mitsuyoshi KANNO
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Publication number: 20110144277Abstract: The invention relates to the use of a silicon-containing precursor compound of an organic acid, particularly an olefinic silicon-containing precursor compound of an organic acid and/or of a tetracarboxyl silane, for the production of unfilled and/or filled polymer compounds, polymers, or filled plastics, such as granules or finished products, made from thermoplastic base polymers and/or monomers and/or prepolymers of the thermoplastic base polymers. A finished product is an item, such as a molded body, particularly a cable, hose, or pipe. The invention further relates to a master batch comprising the silicon-containing precursor compound.Type: ApplicationFiled: July 9, 2009Publication date: June 16, 2011Inventors: Kerstin Weissenbach, Aristidis Ioannidis, Bastian Bielawski
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Publication number: 20110144278Abstract: The invention relates to a composition of an organofunctional silane compound, particularly of a mono-unsaturated silane compound, and of an organic acid or a precursor compound which releases said organic acid, and to a method for the production of polymer compounds such as granulates and/or finished products from thermoplastic base polymers and/or monomers and/or prepolymers of the thermoplastic base polymer utilizing the composition, the organic acid, or the precursor compound which releases said organic acid. The invention also relates to the produced polymers, filled plastics such as, for example, granulates, finished products, molded bodies and/or articles such as pipes or cables. In addition, the invention relates to a kit containing the composition.Type: ApplicationFiled: July 9, 2009Publication date: June 16, 2011Applicant: Evonik Degussa GmbHInventors: Kerstin Weissenbach, Aristidis Ioannidis, Bastian Bielawski
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Hydrophilic compositions, methods for their production, and substrates coated with such compositions
Patent number: 7959980Abstract: Liquid compositions are disclosed that include a photocatalytic material and a hydrophilic binder that includes an essentially completely hydrolyzed organosilicate. Also disclosed are methods of making such compositions, methods of coating a substrate with a hydrophilic composition, and substrates coated with such compositions. The compositions may, for example, be embodied as stable one-pack compositions.Type: GrantFiled: May 18, 2005Date of Patent: June 14, 2011Assignee: PPG Industries Ohio, Inc.Inventors: Masayuki Nakajima, Chia-Cheng Lin, Shan Cheng, James P. Colton -
RTV-ORGANOPOLYSILOXANE COMPOSITIONS AND NOVEL ORGANOPOLYSILOXANE POLYCONDENSATION CATALYSTS THEREFOR
Publication number: 20110124802Abstract: RTV-organopolysiloxane compositions are crosslinkable by polycondensation and are devoid of alkyltin-based catalysts; novel organopolysiloxane polycondensation catalysts are useful therefor.Type: ApplicationFiled: November 18, 2008Publication date: May 26, 2011Inventors: Christian Maliverney, Delphine Blanc, Rachid Ferhat -
Patent number: 7935651Abstract: A method for preparing a titanium-containing Ziegler-Natta catalyst is disclosed. A dialkyl magnesium compound, a trialkyl aluminum compound, and a polymethylhydrosiloxane are first combined in a hydrocarbon solvent. That product is then combined with dry, alcohol-free magnesium chloride. A solid product from the reaction with the magnesium chloride component is isolated and washed with a hydrocarbon solvent. The washed solid product is then combined with an alkyl aluminum dichloride or a dialkyl aluminum chloride to give the catalyst. The catalyst is suitable for both slurry and gas-phase olefin polymerizations. Polyolefins produced with the catalyst have broad molecular weight distributions and narrow distributions of relatively large particles.Type: GrantFiled: February 4, 2010Date of Patent: May 3, 2011Assignee: Equistar Chemicals, L.P.Inventors: Mark K. Reinking, Joachim T. M. Pater, Giampiero Morini
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Publication number: 20110098425Abstract: This invention relates to Group 4 catalyst compounds containing di-anionic tridentate nitrogen/oxygen based ligands. The catalyst compounds are useful, with or without activators, to polymerize olefins, particularly a-olefins, or other unsaturated monomers. Systems and processes to oligomerize and/or polymerize one or more unsaturated monomers using the catalyst compound, as well as the oligomers and/or polymers produced therefrom are also provided.Type: ApplicationFiled: October 20, 2010Publication date: April 28, 2011Inventors: Garth R. Giesbrecht, Timothy M. Boller, Alexander Z. Voskoboynikov, Andrey F. Asachenko, Mikhail V. Nikulin, Alexey A. Tsarev
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Patent number: 7928174Abstract: Organosilicon functional boron amine catalyst complexes have an organosilicon functional organoborane portion of the complex that contains at least one silicon atom. The complexes can be used as components in curable compositions containing (i) a free radical polymerizable monomer, oligomer or polymer; (ii) the organosilicon functional boron amine catalyst complex; and (iii) an amine reactive compound having amine reactive groups. The curable compositions may contain a component capable of generating a gas, as well as various other optional ingredients. These curable compositions can be used as rubbers, tapes, adhesives, protective coatings, thin films, thermoplastic monolithic molded parts, thermosetting monolithic molded parts, sealants, foams, gaskets, seals, o-rings, pressure sensitive adhesives, die attachment adhesives, lid sealants, encapsulants, potting compounds, conformal coatings, and electronic components.Type: GrantFiled: December 13, 2005Date of Patent: April 19, 2011Assignee: Dow Corning CorporationInventors: Dongchan Ahn, Mohamed Mustafa, Patricia Olney
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Patent number: 7915193Abstract: A method of activating an iron Fischer-Tropsch catalyst by introducing an inert gas into a reactor comprising a slurry of the catalyst at a first temperature, increasing the reactor temperature from the first temperature to a second temperature at a first ramp rate, wherein the second temperature is in the range of from about 150° C. to 250° C., introducing synthesis gas having a ratio of H2:CO to the reactor at a space velocity, and increasing the reactor temperature from the second temperature to a third temperature at a second ramp rate, wherein the third temperature is in the range of from about 270° C. to 300° C. The iron Fischer-Tropsch catalyst may be a precipitated unsupported iron catalyst, production of which is also provided.Type: GrantFiled: November 18, 2008Date of Patent: March 29, 2011Assignee: Rentech, Inc.Inventors: Belma Demirel, Charles B. Benham, Dan Fraenkel, Richard Bley, Jesse W. Taylor, Bahman Rejai, Sara Rolfe, Harold A. Wright
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Patent number: 7910760Abstract: The invention relates to a process for producing a complex for use in olefin polymerization and oligomerization of the general formula (III): wherein Mt is a group 3 to 12 element in a +2 to +6 oxidation state with between 1 to 4 additional ligands (anionic and/or neutral) coordinated, wherein R1 and R2 are hydrogen, halogen, alkoxy, or a hydrocarbon group containing between 1 to 12 carbon atoms; E is a group 16 element, preferably O; Z is a direct bond between carbon atoms of the adjacent aromatic rings or a —CR3R4— or —SiR3R4— bridge between those carbon atoms, where R3 and R4 are hydrogen or a hydrocarbon groups with 1 to 10 carbons, R5, R6, R7 and R8 are hydrogen, halogen, alkoxy, or a hydrocarbon group containing between 1 to 10 carbon atoms and J1 and J2 are —NR9R10 or —PR9R10, where R9 is H or SiMe3 group and R10 is selected from a group consisting of alkyl, aryl, substituted aryl, heteroalkyl, and heteroaryl containing between 1 to 30 non-hydrogen atoms through a route involving novel precursors sType: GrantFiled: April 15, 2008Date of Patent: March 22, 2011Assignee: ExxonMobil Chemical Patents Inc.Inventor: John R. Hagadorn
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Publication number: 20110059841Abstract: The invention is a coating composition comprising photocatalytic titanium dioxide particles, an opacifying agent, a silicone compound, de-HNO3 particles, styrene resin hollow microspheres, and a solvent. The combination of a silicone compound and styrene resin hollow microspheres in a depolluting coating composition results in improved opacity and durability compared to conventional coatings.Type: ApplicationFiled: November 17, 2010Publication date: March 10, 2011Inventor: John Stratton
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Patent number: 7893003Abstract: The present disclosure provides a Ziegler-Natta catalyst composition comprising a procatalyst, a cocatalyst and a mixed external electron donor comprising a first selectivity control agent, a second selectivity control agent, and an activity limiting agent. A polymerization process incorporating the present catalyst composition produces a high-stiffness propylene-based polymer with a melt flow rate greater than about 50 g/10 min. The polymerization process occurs in a single reactor, utilizing standard hydrogen concentration with no visbreaking.Type: GrantFiled: February 23, 2009Date of Patent: February 22, 2011Assignee: Dow Global Technologies Inc.Inventor: Linfeng Chen
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Publication number: 20110034324Abstract: A process to prepare a catalyst composition that includes combining catalyst precursors in a recycled organic reaction solvent; allowing the catalyst precursors to react to form a catalyst compound; and separating the formed catalyst compound from the reaction solvent is disclosed.Type: ApplicationFiled: April 21, 2009Publication date: February 10, 2011Applicant: UNIVATION TECHNOLOGIES, LLCInventors: Michael D. Awe, Natarajan Muruganandam, Phuong A. Cao
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Patent number: 7880025Abstract: The present invention is to provide a ruthenium complex having a novel arene moiety, which has improved solubility in various solvents, and a method for production thereof. The present invention relates to a novel ruthenium complex having an arene moiety, which has a trisubstituted silyl group introduced to the arene moiety, and a method for production thereof.Type: GrantFiled: May 18, 2010Date of Patent: February 1, 2011Assignee: Takasago International CorporationInventors: Taichiro Touge, Hideki Nara, Takahiro Fujiwara
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Patent number: 7879751Abstract: A solid catalyst component for olefin polymerization, comprising titanium atoms, magnesium atoms, halogen atoms and hydrocarbyloxy groups, wherein the following filtrate contains titanium atoms in a concentration of 0.08 mg-Ti/ml-filtrate or lower, measured according to a method comprising the steps of (1) preparing a suspension of the solid catalyst component for olefin polymerization in heptane having a concentration of 0.1 g-solid catalyst component/ml-suspension, (2) heating the suspension at 70° C. for 30 minutes under stirring, (3) filtering the suspension, thereby obtaining a filtrate, and (4) measuring a concentration of titanium atoms contained in the filtrate; and a production process of the solid catalyst component.Type: GrantFiled: December 9, 2008Date of Patent: February 1, 2011Assignee: Sumitomo Chemical Company, LimitedInventor: Shin-ichi Kumamoto
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Publication number: 20110004010Abstract: The invention has an object to obtain an organic inorganic composite material having high activity and high selectivity, and suitable as a catalyst material having small elution of an active metal from a carrier, and further to obtain an organosilicon compound suitable for the preparation of the composite material. The composite material is an organic inorganic composite material comprising an organosilicon compound having at least two groups containing reactive silicon at a molecular end, bonded to one silicon atom constituting the organosilicon compound, and an inorganic oxide material, the organosilicon compound and the inorganic oxide material being bonded to each other through a plurality of groups containing reactive silicon of the organosilicon compound. The organosilicon compound is represented by the following general formula (1) or (2). Formula (1) wherein symbols are the same as defined in claim 17. Formula (2) wherein symbols are the same as defined in claim 18.Type: ApplicationFiled: March 5, 2008Publication date: January 6, 2011Applicants: National Instit of Advanced Indust Sci and Tech, N.E. Chemcat CorporationInventors: Shun-ya Onozawa, Norihisa Fukaya, Kaori Saitou, Toshiyasu Sakakura, Hiroyuki Yasuda, Yukio Takagi, Masae Ueda
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Patent number: 7863210Abstract: 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: GrantFiled: December 28, 2007Date of Patent: January 4, 2011Assignee: Chevron Phillips Chemical Company LPInventors: Rex E. Murray, Kumudini C. Jayaratne, Qing Yang, Joel L. Martin
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Publication number: 20100317901Abstract: A catalyst composition can include: a support; a ruthenium catalyst (Ru) nanoparticle; and a linker linking the Ru nanoparticle to the support, wherein the linker is stable under hydrogenolysis conditions. In one aspect, the linker can include 3-aminopropyl trimethoxysilane (APTS) or derivatives thereof, such as those with amine functionality. In another aspect, the linker can include phosphotungstic acid (PTA) or other similar solid acid agents. In another aspect, the support can be selected from alumina, carbon, silica, a zeolite, TiO2, ZrO2, or another suitable material. A specific example of a support includes zeolite, such as a NaY zeolite. The Ru nanoparticle can have a size range from about 1 nm to about 25 nm, and can be obtained by reduction of Ru salts.Type: ApplicationFiled: June 9, 2010Publication date: December 16, 2010Inventors: Raghunath V. Chaudhari, Debdut S. Roy, Bala Subramaniam
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Publication number: 20100296994Abstract: The invention relates to a catalyst, the use thereof, and a method for dismutation of halosilanes containing hydrogen, in particular chlorosilanes containing hydrogen.Type: ApplicationFiled: October 8, 2008Publication date: November 25, 2010Applicant: EVONIK DEGUSSA GMBHInventors: Hartwig Rauleder, Ekkehard Mueh, Reinhold Schork
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Patent number: 7829495Abstract: The invention comprises an olefin polymerization process comprising contacting ethylene alone or with one or more olefinically unsaturated comonomers with a Group 3-6 metallocene catalyst compound comprising one ?-bonded ring having a C3 or greater hydrocarbyl, hydrocarbylsilyl or hydrocarbylgermyl substituent said substituent bonded to the ring through a primary carbon atom; and, where the compound contains two ?-bonded rings, the total number of substituents on the rings is equal to a number from 3 to 10, said rings being asymmetrically substituted where the number of substituents is 3 or 4. The invention process is particularly suitable for preparing ethylene copolymers having an MIR less than about 35, while retaining narrow CD even at high comonomer incorporation rates, and with certain embodiments providing ethylene copolymers having improved melt strength with the low MIR.Type: GrantFiled: August 31, 2004Date of Patent: November 9, 2010Assignee: ExxonMobil Chemical Patents Inc.Inventors: Joseph C. Floyd, Moses Olukayode Jejelowo, Donna Jean Crowther, George Alan Vaughan, Ching Tai Lue
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Publication number: 20100279850Abstract: A coating composition comprising a Photocatalyst Composition comprising a photocatalyst and a pendent silyl ester group, wherein the photocatalyst produces singlet oxygen in the presence of light and ambient air. In certain embodiments, the coating composition further comprises a singlet oxygen scavenger.Type: ApplicationFiled: January 5, 2010Publication date: November 4, 2010Inventors: JOHN L. LOMBARDI, CHUCHAWIN CHANGTONG
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Publication number: 20100273966Abstract: Disclosed are procatalyst compositions having an internal electron donor which includes an adamantanedicarboxylate and optionally an electron donor component. Ziegler-Natta catalyst compositions containing the present procatalyst compositions produce propylene-based olefins with broad molecular weight distribution.Type: ApplicationFiled: April 16, 2010Publication date: October 28, 2010Inventors: Linfeng Chen, Tak W. Leung, Tao Tao, Kuanqiang Gao
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Patent number: 7820862Abstract: Disclosed is a novel asymmetric ligand which can be synthesized by a short process at low cost and is capable of exhibiting higher catalytic activity and enantioselectivity than the conventional ligands derived from sugars. Also disclosed are a method for producing such an asymmetric ligand, and a catalyst using such an asymmetric ligand. Specifically disclosed is a ligand represented by the general formula I below or the like. (In the formula, R1 and R2 independently represent 0-5 substituents; X represents P, As or N; m represents an integer of 0-7; n represents an integer of 0-3; A1-A4 independently represent hydrogen, fluorine, chlorine, bromine, benzoyl or acetyl, or alternatively A2 and A3 combine together to form a ring.Type: GrantFiled: March 2, 2007Date of Patent: October 26, 2010Assignee: The University of TokyoInventors: Masakatsu Shibasaki, Motomu Kanai, Ikuo Fujimori, Kenzo Yamatsugu, Shin Kamijo
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Publication number: 20100266459Abstract: There is disclosed a coating comprising a silicone composition and a preparation by means of which the surface resistance of the coating is adjusted. The preparation is a platinum complex comprising about 5 ppm platinum metal. Such a coating is highly suitable for use as a pollen coating in filter or screen gauze material and feels good when touched by hand.Type: ApplicationFiled: June 27, 2008Publication date: October 21, 2010Inventor: Anne Jurjen Osinga
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Publication number: 20100267911Abstract: Disclosed are procatalyst compositions having an internal electron donor which includes a silyl glutarate and optionally an electron donor component. Ziegler-Natta catalyst compositions containing the present procatalyst compositions exhibit strong activity and produce propylene-based olefins with high isotacticity.Type: ApplicationFiled: April 14, 2010Publication date: October 21, 2010Applicant: DOW GLOBAL TECHNOLOGIES INC.Inventors: Kelly Gonzalez, Tao Tao, Tak W. Leung
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Publication number: 20100261859Abstract: Catalyst component having average particle size equal to or lower than 40 ?m comprising a magnesium halide, a titanium compound having at least a Ti-halogen bond and at least two electron donor compounds one of which being present in an amount from 15 to 50% by mol with respect to the total amount of donors and selected from succinates of formula (I) below in which the radicals R1 and R2, equal to, or different from, each other are a C1-C20 linear or branched alkyl, alkenyl, cycloalkyl, aryl, arylalkyl or alkylaryl group, optionally containing heteroatoms; and the radicals R3 and R4 equal to, or different from, each other, are C1-C20 alkyl, C3-C20 cycloalkyl, C5-C20 aryl, arylalkyl or alkylaryl group with the proviso that at least one of them is a branched alkyl; said compounds being, with respect to the two asymmetric carbon atoms identified in the structure of formula (I), stereoisomers of the type (S,R) or (R,S) and at least another electron donor compound which is extractable, under the test of extracType: ApplicationFiled: December 9, 2008Publication date: October 14, 2010Applicant: Basell Poliolefine Italia s.r.l.Inventors: Paolo Vincenzi, Giovanni Patroncini
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Patent number: 7807599Abstract: A process for making a catalyst precursor is disclosed. In one embodiment, the process comprises co-precipitating at reaction conditions forming a precipitate or cogel: at least a promoter metal compounds selected from Group VIII, Group IIB, Group IIA, Group IVA and combinations thereof, at least one of Group VIB metal compounds, at least an organic oxygen-containing ligand L. The precursor is represented by the formula Av[(MP) (OH)x(L)ny]z(MVIBO4), wherein A comprises an alkali metal cation, an ammonium, an organic ammonium or a phosphonium cation, MP is at least one of Group VIII, Group IIB, Group IIA, Group IVA and combinations thereof, L is the organic, oxygen-containing co-ordinating ligand, MVIB is at least one of Group VIB metals, and the atomic ratio of MP:MVIB is between 100:1 and 1:100.Type: GrantFiled: October 28, 2008Date of Patent: October 5, 2010Assignee: Chevron U. S. A. Inc.Inventors: Theodorus Ludovicus Michael Maesen, Alexander E. Kuperman
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Publication number: 20100239872Abstract: There is provided a sol of modified metal oxide composite colloidal particles including titanium oxide having a high refractive index and excellent light resistance and weather resistance that discoloration of the colloidal particles by photoexcitation is almost completely inhibited. A titanium oxide-tin oxide-zirconium oxide-tungsten oxide composite colloidal particle having a primary particle diameter of 2 to 50 nm, and a SnO2/TiO2 molar ratio of 0.1 to 1.0, a ZrO2/TiO2 molar ratio of 0.1 to 0.4, and a WO3/TiO2 molar ratio of 0.03 to 0.15.Type: ApplicationFiled: October 3, 2008Publication date: September 23, 2010Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Yoshinari Koyama, Motoko Asada
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Publication number: 20100222528Abstract: The present invention relates to catalysts for the polymerization of olefins, in particular ethylene and its mixtures with olefins CH2?CHR, wherein R is an alkyl, cycloalkyl or aryl radical having 1-12 carbon atoms, comprising a solid catalyst component comprising Ti, Mg, halogen and optionally an electron donor, an aluminum alkyl compound and a particular class of silanes compounds as external electron donor compounds. The catalysts of the invention are suitably used in (co)polymerization processes of ethylene to prepare (copolymers having narrow Molecular Weight Distribution (MWD) and high activity.Type: ApplicationFiled: August 19, 2008Publication date: September 2, 2010Applicant: Basell Poliolefine Italia s.r.l.Inventors: Masaki Fushimi, Martin Schneider, Giampiero Morini
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Publication number: 20100222207Abstract: A method of synthesizing SiC materials comprising the step of making a blend which consists of a silicon based polymer and a metal complex by blending a silicon based polymer solution and a metal complex solution and drying, and firing the blend in an inert gas at 700° C. or more; and a SiC ceramic material which has catalyst performance in which a CO gas is oxidized to generate a CO2 gas, made by blending a polycarbosilane solution and a palladium acetate solution, and firing the blend in an inert gas at 700° C. or more after drying.Type: ApplicationFiled: February 25, 2010Publication date: September 2, 2010Applicant: Japan Atomic Energy AgencyInventors: Akira IDESAKI, Masaki SUGIMOTO, Ryoji TANAKA, Masahito YOSHIKAWA
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Publication number: 20100190637Abstract: The invention relates to the use of nanoscale zinc oxide, prepared by a sol-gel process, as curing catalyst, in particular for liquid coatings.Type: ApplicationFiled: May 23, 2008Publication date: July 29, 2010Applicant: Merck Patent GesellschaftInventors: Matthias Koch, Sabine Renker, Gerhard Jonschker
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Publication number: 20100137669Abstract: Disclosed herein is a method of preparing 1-octene at high activity and high selectivity while stably maintaining reaction activity by tetramerizing ethylene using a chromium-based catalyst system comprising a transition metal or a transition metal precursor, a cocatalyst, and a P—C—C—P backbone structure ligand represented by (R1)(R2)P—(R5)CHCH(R6)—P(R3)(R4).Type: ApplicationFiled: January 17, 2008Publication date: June 3, 2010Inventors: Taek Kyu Han, Myung Ahn Ok, Sung Seok Chae, Sang Ook Kang, Jae Ho Jung
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Publication number: 20100133147Abstract: A supported and sulphur-containing catalyst is described, comprising; a porous support constituted by an organic-inorganic hybrid material for which the covalent bond between the organic and inorganic phases conforms to the formula M-O—Z—R where M represents at least one metal constituting the inorganic phase, Z at least one heteroelement from among phosphorus and silicon and R an organic fragment, at least one metal of group VIB and/or of group VB and/or of group VIII. The invention also relates to the use of this catalyst for the hydrorefining and the hydroconversion of hydrocarbon-containing feedstocks such as petroleum fractions, fractions from coal or biomass or hydrocarbons produced from natural gas.Type: ApplicationFiled: July 6, 2007Publication date: June 3, 2010Inventors: Alexandra Chaumonnot, Denis Guillaume, Benoit Fremon, Karin Marchand, Renaud Revel
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Publication number: 20100130710Abstract: Provided is a procatalyst composition containing a multiple internal electron donor with at least two components, one of which is a silyl ester. The other component of the mixed internal electron donor may be an electron donor component. The electron donor component may be an aromatic acid ester, a di-ether, and combinations thereof. Catalyst compositions containing the multiple internal electron donor exhibit improved hydrogen response during olefin polymerization and produce propylene-based polymers with broad molecular weight distribution, high flexural modulus, and high melt flow rate.Type: ApplicationFiled: November 23, 2009Publication date: May 27, 2010Inventor: Linfeng Chen
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Publication number: 20100130709Abstract: The present disclosure provides silyl esters and silyl diol esters suitable as internal electron donors in procatalysts for polymer production. Disclosed are procatalyst compositions formed from a procatalyst precursor and an internal electron donor that is a silyl ester or a silyl diol ester. The procatalyst compositions can be used with a cocatalyst and optionally an external electron donor and/or an activity limiting agent to form a Ziegler-Nana catalyst composition. The present catalyst compositions exhibit high catalyst activity and form olefin-based polymers with broad molecular weight distribution, favorable flexural modulus, and high isotacticity.Type: ApplicationFiled: November 20, 2009Publication date: May 27, 2010Inventors: Linfeng Chen, Tak W. Leung, Tao Tao
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Publication number: 20100121010Abstract: Catalyst system comprising (a) a procatalyst composition comprising (i) a transition metal compound of Group 4 to 6 of the Periodic table (IUPAC, Nomenclature of Inorganic Chemistry, 1989), (i) M9Cl2 and (ii) an internal donor, wherein (iii) said internal donor comprises a dialkylphthalate of formula (ii) wherein R1 and R2 are independently a C1 or C2 alkyl and (b) an external donor wherein the external donor has the formula (IV) R?R?Si(OCH2CH3)2 (IV) wherein R? and R? are identical or different hydrocarbon residues.Type: ApplicationFiled: May 21, 2008Publication date: May 13, 2010Applicant: Borealis Technology OYInventors: Kristin Reichelt, Klaus Bernreitner, Martin Rauch
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Patent number: 7713901Abstract: The present invention relates to a coating composition using a catalyst for selective catalytic reduction for the removal of nitrogen oxides from the exhaust gas, a catalytic module element for selective catalytic reduction and a catalytic module for selective catalytic reduction for the removal of nitrogen oxides, and more specifically to a catalytic module element in which and a catalytic module element for selective catalytic reduction in which a plurality of plate-type or waveform glass fiber sheets on which the coating layer of a catalyst for selective catalytic reduction are formed, are repeatedly laminated and a catalytic module for casing the catalytic module element. According to the present invention, the production process is simple, economical and productive and the catalytic module element for selective catalytic reduction is excellent not only in decomposition efficiency of nitrogen oxides in the exhaust gas, but also in durability, economic efficiency and thermal shock resistance.Type: GrantFiled: November 29, 2006Date of Patent: May 11, 2010Assignee: Dae Young C & E Co., Ltd.Inventor: Sei-Youn Noh