Compound With Silicon-hydrogen Bond Or Organic Compound With Silicon-carbon Bond Patents (Class 502/158)
  • 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
  • Patent number: 8148287
    Abstract: 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: Grant
    Filed: March 20, 2008
    Date of Patent: April 3, 2012
    Assignee: Agency for Science, Technology and Research
    Inventors: Jackie Y. Ying, Jaehong Lim, Su Seong Lee, Siti Nurhanna binte Riduan
  • Publication number: 20120077668
    Abstract: 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: Application
    Filed: April 27, 2010
    Publication date: March 29, 2012
    Inventors: Yasuhiro Takada, Hidekazu Miyano, Shinichi Kudo
  • Publication number: 20120071700
    Abstract: 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: Application
    Filed: September 21, 2011
    Publication date: March 22, 2012
    Inventors: Long Huang, Wei Dai, Baoliang Tian, Hui Peng, Guoqi Tang
  • Patent number: 8088878
    Abstract: ?-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: Grant
    Filed: January 22, 2009
    Date of Patent: January 3, 2012
    Assignee: Wacker Chemie AG
    Inventor: Andreas Koellnberger
  • Publication number: 20110312490
    Abstract: 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: Application
    Filed: August 3, 2011
    Publication date: December 22, 2011
    Inventors: Jun Ma, David Moy, Howard Tennent, Robert Hoch, Alan Fischer
  • Patent number: 8043990
    Abstract: 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: Grant
    Filed: August 25, 2008
    Date of Patent: October 25, 2011
    Assignee: Reliance Industries Limited
    Inventors: Virendrakumar Gupta, Harshad Ramdas Patil, Dhananjay Ghelabhai Naik, Sukhdeep Kaur, Gurmeet Singh, Priyanshu Bharatkumar Vyas
  • Patent number: 8043991
    Abstract: 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: Grant
    Filed: December 16, 2009
    Date of Patent: October 25, 2011
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Ta Yen Ching, Jeffery Gee, Ruthann M. Hickox
  • Patent number: 8003562
    Abstract: 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: Grant
    Filed: September 14, 2007
    Date of Patent: August 23, 2011
    Assignee: Ube Industries, Ltd.
    Inventors: Hiroyuki Yamaoka, Yoshikatsu Harada, Teruaki Fujii, Shinichirou Otani, Tadashi Matsunaga
  • Patent number: 8003743
    Abstract: 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 formula
    Type: Grant
    Filed: May 31, 2005
    Date of Patent: August 23, 2011
    Assignee: Basell Poliolefine Italia, S.R.L.
    Inventors: Luigi Resconi, Friederike Morhard
  • Publication number: 20110190115
    Abstract: 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: Application
    Filed: August 4, 2009
    Publication date: August 4, 2011
    Inventors: Rosaria Ciriminna, Mario Pagliaro, Giovanni Palmisano, Valerica Pandarus, Lynda Tremblay, Francois Béland, Mathieu Simard
  • Patent number: 7977435
    Abstract: 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: Grant
    Filed: July 12, 2006
    Date of Patent: July 12, 2011
    Inventors: Chon-Yie Lin, Stephen Francis Broadbent
  • Publication number: 20110163044
    Abstract: 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: Application
    Filed: December 23, 2010
    Publication date: July 7, 2011
    Applicant: LG HAUSYS, LTD.
    Inventors: Moonsuk HAN, Ju-Hyung Lee, Seongmoon Jung
  • Publication number: 20110143914
    Abstract: 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: Application
    Filed: February 24, 2011
    Publication date: June 16, 2011
    Applicant: TOTO LTD.
    Inventors: Satoru KITAZAKI, Junji KAMESHIMA, Koji OMOSHIKI, Yoji TAKAKI, Yuki TANAKA, Hironaga IWATA, Makoto HAYAKAWA, Mitsuyoshi KANNO
  • Publication number: 20110144277
    Abstract: 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: Application
    Filed: July 9, 2009
    Publication date: June 16, 2011
    Inventors: Kerstin Weissenbach, Aristidis Ioannidis, Bastian Bielawski
  • Publication number: 20110144278
    Abstract: 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: Application
    Filed: July 9, 2009
    Publication date: June 16, 2011
    Applicant: Evonik Degussa GmbH
    Inventors: Kerstin Weissenbach, Aristidis Ioannidis, Bastian Bielawski
  • Patent number: 7959980
    Abstract: 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: Grant
    Filed: May 18, 2005
    Date of Patent: June 14, 2011
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Masayuki Nakajima, Chia-Cheng Lin, Shan Cheng, James P. Colton
  • Publication number: 20110124802
    Abstract: RTV-organopolysiloxane compositions are crosslinkable by polycondensation and are devoid of alkyltin-based catalysts; novel organopolysiloxane polycondensation catalysts are useful therefor.
    Type: Application
    Filed: November 18, 2008
    Publication date: May 26, 2011
    Inventors: Christian Maliverney, Delphine Blanc, Rachid Ferhat
  • Patent number: 7935651
    Abstract: 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: Grant
    Filed: February 4, 2010
    Date of Patent: May 3, 2011
    Assignee: Equistar Chemicals, L.P.
    Inventors: Mark K. Reinking, Joachim T. M. Pater, Giampiero Morini
  • Publication number: 20110098425
    Abstract: 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: Application
    Filed: October 20, 2010
    Publication date: April 28, 2011
    Inventors: Garth R. Giesbrecht, Timothy M. Boller, Alexander Z. Voskoboynikov, Andrey F. Asachenko, Mikhail V. Nikulin, Alexey A. Tsarev
  • Patent number: 7928174
    Abstract: 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: Grant
    Filed: December 13, 2005
    Date of Patent: April 19, 2011
    Assignee: Dow Corning Corporation
    Inventors: Dongchan Ahn, Mohamed Mustafa, Patricia Olney
  • Patent number: 7915193
    Abstract: 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: Grant
    Filed: November 18, 2008
    Date of Patent: March 29, 2011
    Assignee: Rentech, Inc.
    Inventors: Belma Demirel, Charles B. Benham, Dan Fraenkel, Richard Bley, Jesse W. Taylor, Bahman Rejai, Sara Rolfe, Harold A. Wright
  • Patent number: 7910760
    Abstract: 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 s
    Type: Grant
    Filed: April 15, 2008
    Date of Patent: March 22, 2011
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventor: John R. Hagadorn
  • Publication number: 20110059841
    Abstract: 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: Application
    Filed: November 17, 2010
    Publication date: March 10, 2011
    Inventor: John Stratton
  • Patent number: 7893003
    Abstract: 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: Grant
    Filed: February 23, 2009
    Date of Patent: February 22, 2011
    Assignee: Dow Global Technologies Inc.
    Inventor: Linfeng Chen
  • Publication number: 20110034324
    Abstract: 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: Application
    Filed: April 21, 2009
    Publication date: February 10, 2011
    Applicant: UNIVATION TECHNOLOGIES, LLC
    Inventors: Michael D. Awe, Natarajan Muruganandam, Phuong A. Cao
  • Patent number: 7880025
    Abstract: 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: Grant
    Filed: May 18, 2010
    Date of Patent: February 1, 2011
    Assignee: Takasago International Corporation
    Inventors: Taichiro Touge, Hideki Nara, Takahiro Fujiwara
  • Patent number: 7879751
    Abstract: 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: Grant
    Filed: December 9, 2008
    Date of Patent: February 1, 2011
    Assignee: Sumitomo Chemical Company, Limited
    Inventor: Shin-ichi Kumamoto
  • Publication number: 20110004010
    Abstract: 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: Application
    Filed: March 5, 2008
    Publication date: January 6, 2011
    Applicants: National Instit of Advanced Indust Sci and Tech, N.E. Chemcat Corporation
    Inventors: Shun-ya Onozawa, Norihisa Fukaya, Kaori Saitou, Toshiyasu Sakakura, Hiroyuki Yasuda, Yukio Takagi, Masae Ueda
  • Patent number: 7863210
    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: Grant
    Filed: December 28, 2007
    Date of Patent: January 4, 2011
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Rex E. Murray, Kumudini C. Jayaratne, Qing Yang, Joel L. Martin
  • Publication number: 20100317901
    Abstract: 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: Application
    Filed: June 9, 2010
    Publication date: December 16, 2010
    Inventors: Raghunath V. Chaudhari, Debdut S. Roy, Bala Subramaniam
  • Publication number: 20100296994
    Abstract: The invention relates to a catalyst, the use thereof, and a method for dismutation of halosilanes containing hydrogen, in particular chlorosilanes containing hydrogen.
    Type: Application
    Filed: October 8, 2008
    Publication date: November 25, 2010
    Applicant: EVONIK DEGUSSA GMBH
    Inventors: Hartwig Rauleder, Ekkehard Mueh, Reinhold Schork
  • Patent number: 7829495
    Abstract: 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: Grant
    Filed: August 31, 2004
    Date of Patent: November 9, 2010
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Joseph C. Floyd, Moses Olukayode Jejelowo, Donna Jean Crowther, George Alan Vaughan, Ching Tai Lue
  • Publication number: 20100279850
    Abstract: 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: Application
    Filed: January 5, 2010
    Publication date: November 4, 2010
    Inventors: JOHN L. LOMBARDI, CHUCHAWIN CHANGTONG
  • Publication number: 20100273966
    Abstract: 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: Application
    Filed: April 16, 2010
    Publication date: October 28, 2010
    Inventors: Linfeng Chen, Tak W. Leung, Tao Tao, Kuanqiang Gao
  • Patent number: 7820862
    Abstract: 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: Grant
    Filed: March 2, 2007
    Date of Patent: October 26, 2010
    Assignee: The University of Tokyo
    Inventors: Masakatsu Shibasaki, Motomu Kanai, Ikuo Fujimori, Kenzo Yamatsugu, Shin Kamijo
  • Publication number: 20100266459
    Abstract: 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: Application
    Filed: June 27, 2008
    Publication date: October 21, 2010
    Inventor: Anne Jurjen Osinga
  • Publication number: 20100267911
    Abstract: 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: Application
    Filed: April 14, 2010
    Publication date: October 21, 2010
    Applicant: DOW GLOBAL TECHNOLOGIES INC.
    Inventors: Kelly Gonzalez, Tao Tao, Tak W. Leung
  • Publication number: 20100261859
    Abstract: 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 extrac
    Type: Application
    Filed: December 9, 2008
    Publication date: October 14, 2010
    Applicant: Basell Poliolefine Italia s.r.l.
    Inventors: Paolo Vincenzi, Giovanni Patroncini
  • Patent number: 7807599
    Abstract: 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: Grant
    Filed: October 28, 2008
    Date of Patent: October 5, 2010
    Assignee: Chevron U. S. A. Inc.
    Inventors: Theodorus Ludovicus Michael Maesen, Alexander E. Kuperman
  • Publication number: 20100239872
    Abstract: 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: Application
    Filed: October 3, 2008
    Publication date: September 23, 2010
    Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Yoshinari Koyama, Motoko Asada
  • Publication number: 20100222528
    Abstract: 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: Application
    Filed: August 19, 2008
    Publication date: September 2, 2010
    Applicant: Basell Poliolefine Italia s.r.l.
    Inventors: Masaki Fushimi, Martin Schneider, Giampiero Morini
  • Publication number: 20100222207
    Abstract: 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: Application
    Filed: February 25, 2010
    Publication date: September 2, 2010
    Applicant: Japan Atomic Energy Agency
    Inventors: Akira IDESAKI, Masaki SUGIMOTO, Ryoji TANAKA, Masahito YOSHIKAWA
  • Publication number: 20100190637
    Abstract: 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: Application
    Filed: May 23, 2008
    Publication date: July 29, 2010
    Applicant: Merck Patent Gesellschaft
    Inventors: Matthias Koch, Sabine Renker, Gerhard Jonschker
  • Publication number: 20100137669
    Abstract: 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: Application
    Filed: January 17, 2008
    Publication date: June 3, 2010
    Inventors: Taek Kyu Han, Myung Ahn Ok, Sung Seok Chae, Sang Ook Kang, Jae Ho Jung
  • Publication number: 20100133147
    Abstract: 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: Application
    Filed: July 6, 2007
    Publication date: June 3, 2010
    Inventors: Alexandra Chaumonnot, Denis Guillaume, Benoit Fremon, Karin Marchand, Renaud Revel
  • Publication number: 20100130710
    Abstract: 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: Application
    Filed: November 23, 2009
    Publication date: May 27, 2010
    Inventor: Linfeng Chen
  • Publication number: 20100130709
    Abstract: 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: Application
    Filed: November 20, 2009
    Publication date: May 27, 2010
    Inventors: Linfeng Chen, Tak W. Leung, Tao Tao
  • Publication number: 20100121010
    Abstract: 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: Application
    Filed: May 21, 2008
    Publication date: May 13, 2010
    Applicant: Borealis Technology OY
    Inventors: Kristin Reichelt, Klaus Bernreitner, Martin Rauch
  • Patent number: 7713901
    Abstract: 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: Grant
    Filed: November 29, 2006
    Date of Patent: May 11, 2010
    Assignee: Dae Young C & E Co., Ltd.
    Inventor: Sei-Youn Noh