Quaternary Ammonium Or Phosphonium Patents (Class 502/164)
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Publication number: 20130102819Abstract: This invention relates to heterogeneous catalysts useful for selective hydrogenation of unsaturated hydrocarbons, comprising palladium and optionally a promoter, supported on a substrate, having an uncoated BET surface area of ?9 m2/g, the surface being coated with an ionic liquid. Also described are methods of making the catalysts and methods of selective hydrogenation of acetylene and/or dienes in front-end mixed olefin feed streams.Type: ApplicationFiled: October 19, 2011Publication date: April 25, 2013Inventors: Normen Szesni, Alfred Hagemeyer, Frank Grossmann, Richard Fischer, Michael Urbancic, Claus Lugmair, Mingyong Sun, Hongyi C. Hou, David Michael Lowe
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Publication number: 20130079560Abstract: A solid base catalyst having a carrier, an organic base, and an inorganic base. Both of the organic base and inorganic base are loaded on the carrier. The solid base catalyst is especially suitable for the synthesis of 4-Aminodiphenylamine (4-ADPA).Type: ApplicationFiled: November 21, 2012Publication date: March 28, 2013Applicant: Jiangsu Sinorgchem Technology Co., Ltd.Inventor: Jiangsu Sinorgchem Technology Co., Ltd.
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Patent number: 8394735Abstract: A catalyst for ultra-deep desulfurization of diesel via oxidative distillation is an amphiphilic oxidative catalyst, which is expressed as Qm[XMnOq], wherein 1?m?12; 9?n?18; 34?q?62; Q is a quaternary ammonium cation; X is P, Si, As or B; and M is Mo) or W. A desulfurization method comprises a) mixing well a diesel, the amphiphilic catalyst, and hydrogen peroxide, reacting for 10-300 minutes at ambient temperature and normal pressure, transforming the sulfur-containing compounds in the diesel into sulfone to obtain an oxidized diesel; b) distilling the oxidized diesel obtained in step a) under reduced pressure to obtain the ultra-low sulfur diesel having a sulfur content of less than 10 ppm; and c) separating and recovering the catalyst and sulfone.Type: GrantFiled: October 24, 2008Date of Patent: March 12, 2013Assignee: Dalian Institute of Chemical Physics, Chinese Academy of SciencesInventors: Zongxuan Jiang, Can Li, Yongna Zhang, Hongying Lv
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Patent number: 8395003Abstract: The object of this invention is a suspension of metal nanoparticles with a mean size of between 1 and 20 nanometers, in at least one non-aqueous ionic liquid, whereby said suspension also contains at least one nitrogen-containing ligand, in which said metal nanoparticles comprise at least one transition metal in the zero valence state that is selected from among rhodium, ruthenium, iridium, nickel, and platinum by themselves or in a mixture and in which said nitrogen-containing ligand is selected from the group that is formed by the linear compounds that comprise at least one nitrogen atom, whereby the non-aromatic cyclic compounds comprise at least one nitrogen atom, the non-condensed aromatic compounds comprise at least one nitrogen atom, the condensed aromatic compounds comprise at least one group of two aromatic cycles that are condensed two by two, and at least one nitrogen atom, whereby the condensed aromatic compounds comprise at least 3 aromatic cycles and 1 nitrogen atom, and whereby the condensed arType: GrantFiled: April 14, 2008Date of Patent: March 12, 2013Assignee: IFP Energies NouvellesInventors: Bastien Leger, Alain Roucoux, Helene Olivier-Bourbigou
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Publication number: 20130053505Abstract: The present invention relates to a crosslinkable composition comprising at least one crosslinkable component and a latent base crosslinking catalyst, which crosslinkable composition has a solids content of typically at least 55 wt (dry weight after crosslinking relative to the total weight of the crosslinking composition) wherein the latent base catalyst is a substituted carbonate salt according to formula (I) wherein X+ represents a non acidic cation, preferably a quaternary ammonium or phosphonium, and wherein R is hydrogen, alkyl, aryl or aralkyl group. The invention relates in particular to a composition crosslinkable by Real Michael Addition (RMA) reaction wherein a component with at least 2 activated unsaturated groups and a component with at least 2 acidic protons C—H in activated methylene or methine groups, preferably malonate react and crosslink to each other in the presence of the base catalyst.Type: ApplicationFiled: April 7, 2011Publication date: February 28, 2013Applicant: NUPLEX RESINS B.V.Inventors: Richard Hendrikus Gerrit Brinkhuis, Jan Andre Jozef Schutyser, Paulus Jozef Dolphijn, Antonius Johannes Wilhelmus Buser, Petrus Johannes Maria David Elfrink, Michael Anthony Gessner, Mohamad Deeb Shalati
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Publication number: 20130041091Abstract: The present invention relates to a crosslinkable composition comprising at least one crosslinkable component crosslinkable by a latent base crosslinking catalyst comprising a substituted carbonate salt according to formula 1 wherein X+ represents a cation and wherein R is hydrogen, alkyl, aryl or aralkyl group, and wherein the crosslinkable composition comprises 0.1-10 wt %, preferably 0.1-5, more preferably 0.2-3 and most preferably 0.5-1.5 wt % water (relative to total weight of the crosslinkable composition). The invention further relates to a coating composition comprising the crosslinkable composition according to the invention, a novel catalyst composition and to the use of said catalyst composition according to the invention as a latent base crosslinking catalyst in coating compositions, preferably in RMA crosslinkable compositions.Type: ApplicationFiled: April 7, 2011Publication date: February 14, 2013Applicant: NUPLEX RESINS B.V.Inventors: Richard Hendrikus Gerrit Brinkhuis, Jan Andre Jozef Schutyser, Paulus Jozef Dolphijn, Antonius Johannes Wilhelmus Buser, Petrus Johannes Maria David Elfrink, Michael Anthony Gessner, Mohamad Deeb Shalati
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Patent number: 8367865Abstract: The present invention provides a catalyst composition for preparing an amide, including an amino acid ionic liquid having a cation of formula (I) and an anion selected from the group consisting of an inorganic acid group, an organic acid group and a combination thereof, wherein the numbers of the anion and the cation are such that the amino acid ionic liquid is electroneutral; and a Bronsted acid. The present invention also provides a method for preparing an amide in the presence of the catalyst composition, and the method has advantages such as decreasing viscosity of ionic liquid, and increasing conversion rate of ketoximes and selectivity of amides.Type: GrantFiled: November 30, 2009Date of Patent: February 5, 2013Assignee: China Petrichemical Development CorporationInventors: Tung-Han Tsai, Cheng-Fa Hsieh, Chi-Yuan Chen
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Publication number: 20130030194Abstract: The present invention relates to a metal catalyst composition for producing furfural derivatives from raw materials of lignocellulosic biomass, and method for producing furfural derivatives using the composition. The present invention comprises ruthenium chloride (RuCl3) and chromium chloride (CrCl2). The chromium chloride (CrCl2) is from 300 to 500 parts by weight on the basis of 100 parts by weight of the ruthenium chloride (RuCl3). Unlike conventional furfural derivatives producing process that should go through multi step processes such as pre-process, saccharification process, etc, the present invention has an advantage of producing furfural derivatives from lignocellulosic raw material only through simple reaction process in one reaction apparatus by mixing various kinds of metal catalyst at an optimum ratio.Type: ApplicationFiled: April 14, 2011Publication date: January 31, 2013Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGYInventors: Jin Ku Cho, Sangyong Kim, Dohoon Lee, Bora Kim, Jaewon Jeong
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Publication number: 20130023403Abstract: A supramolecular assembly comprising a metal-organic molecular framework and a heterocyclic macrocycle guest molecule. The metal-organic molecular framework comprises cubicuboctahedral cavities, octahemioctahedral cavities and trigonal cavities in a 1:1:2 ratio, respectively, and the heterocyclic macrocycle guest molecule is hosted by the octahemioctahedral cavity. In a preferred embodiment, the heterocyclic macrocycle guest molecule is a heme.Type: ApplicationFiled: March 5, 2012Publication date: January 24, 2013Applicant: University of South FloridaInventors: Randy W. Larsen, Carissa M. Vetromile, Jason A. Perman, Lukasz Wojtas, Michael J. Zaworotko, Mohamed Eddaoudi, Yunling Liu
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Publication number: 20130023404Abstract: Catalyst mixtures include at least one Catalytically Active Element and, as a separate constituent, one Helper Catalyst. The catalysts can be used to increase the rate, modify the selectivity or lower the overpotential of chemical reactions. These catalysts are useful for a variety of chemical reactions including, in particular, the electrochemical conversion of CO2. Chemical processes employing these catalysts produce CO, OH?, HCO?, H2CO, (HCO2)?, H2CO2, CH3OH, CH4, C2H4, CH3CH2OH, CH3COO?, CH3COOH, C2H6, O2, H2, (COOH)2, or (COO?)2. Devices using the catalysts include, for example, a CO2 sensor.Type: ApplicationFiled: September 25, 2012Publication date: January 24, 2013Applicant: DIOXIDE MATERIALS, INC.Inventor: Dioxide Materials, Inc.
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Patent number: 8334232Abstract: The invention relates to a porous heterogeneous catalyst. In order to prepare a catalyst which catalyzes with a relatively high selectivity the hydrogenation of individual unsaturated bonds of polyunsaturated compounds it is proposed that the inner surface of the catalysts is coated with an ionic liquid.Type: GrantFiled: April 24, 2007Date of Patent: December 18, 2012Assignee: Sud-Chemie AGInventors: Andreas Jess, Wolfgang Korth, Bastian Etzold
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Publication number: 20120308903Abstract: Catalysts that include at least one catalytically active element and one helper catalyst can be used to increase the rate or lower the overpotential of chemical reactions. The helper catalyst can simultaneously act as a director molecule, suppressing undesired reactions and thus increasing selectivity toward the desired reaction. These catalysts can be useful for a variety of chemical reactions including, in particular, the electrochemical conversion of CO2 or formic acid. The catalysts can also suppress H2 evolution, permitting electrochemical cell operation at potentials below RHE. Chemical processes and devices using the catalysts are also disclosed, including processes to produce CO, OH?, HCO?, H2CO, (HCO2)?, H2CO2, CH3OH, CH4, C2H4, CH3CH2OH, CH3COO?, CH3COOH, C2H6, O2, H2, (COOH)2, or (COO?)2, and a specific device, namely, a CO2 sensor.Type: ApplicationFiled: June 30, 2011Publication date: December 6, 2012Inventor: Richard I. Masel
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Publication number: 20120277093Abstract: Catalyst compositions for use in forming polyurethane products include a gelling catalyst, a trimerization catalyst, and a cure accelerator. The gelling catalyst is a tertiary amine, mono(tertiary amino) urea, bis(tertiary amino) urea, or a combination of any of these. Any known trimerization catalyst may be used. The cure accelerator may be a diol having at least one primary hydroxyl group, and having from five to 17 chain backbone atoms chosen from carbon, oxygen, or both between the hydroxyl groups, provided that at least five of the backbone atoms are carbon. Alternatively or in addition, the cure accelerator may be a polyol having three or more hydroxyl groups, at least two of which are primary, and having molecular weights between 90 g/mole and 400 g/mole. Delayed initiation of the polyurethane-forming reaction and/or reduced demold time for producing the polyurethane part can be obtained by using these catalyst compositions.Type: ApplicationFiled: July 12, 2012Publication date: November 1, 2012Applicant: Air Products and Chemicals, Inc.Inventors: Gary Dale Andrew, Mark Leo Listemann, Patrick Gordon Stehley, James Douglas Tobias, John William Miller
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Publication number: 20120264592Abstract: The invention relates to composition and methods of using described compositions as oxidative catalysis. In certain embodiments, the invention relates to a composition having a nitrogen oxide species, bromide ion, a metal, and oxygen. In certain embodiments, the composition catalyzes sulfides.Type: ApplicationFiled: September 8, 2010Publication date: October 18, 2012Applicant: EMORY UNIVERSITYInventors: Zhen Luo, Daniel A. Hillesheim, Iourii V. Gueletii, Craig L. Hill
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Patent number: 8278239Abstract: Poly(propylene carbonates) are prepared from propylene oxide and CO2 with less than 10% cyclic propylene carbonate by product using cobalt based catalysts of structure preferably in combination with salt cocatalyst, very preferably cocatalyst where the cation is PPN+ and the anion is Cl? or OBzF5?. Novel products include poly(propylene carbonates) having a stereoregularity greater than 90% and/or a regioregularity of greater than 90%.Type: GrantFiled: April 27, 2010Date of Patent: October 2, 2012Assignee: Cornell Research Foundation, Inc.Inventors: Geoffrey W. Coates, Zengquan Qin, Claire Tova Cohen
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Patent number: 8252711Abstract: A highly dispersed, unsupported, electrocatalyst made of pyrolyzed porphyries and a method for synthesizing the same. The disclosed synthesis procedure allows for optimization of pore size and therefore transport properties. Compounds suitable for use include transition metal N4-chelates such as, but not necessarily limited to, N4-chelates containing different metal centers including Co, Fe, Mn, Ni, Ru, Cu, etc., and other N4-chelates such as porphyrin, phthalocyanies, and structures based on their pyro products.Type: GrantFiled: February 22, 2010Date of Patent: August 28, 2012Assignee: STC.UNMInventors: Tim Olson, Plamen Atanassov
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Patent number: 8247343Abstract: The present invention is directed to compositions and processes for the production of stable, alkaline, high solids, low viscosity, low surface tension, low flammability, sub-micron titania sols that have minimal offensive odor and methods of their use. Compositions of the present invention include, for example, mixtures of strong and weak organic bases used as dispersants to stabilize the titania sols. The dispersant mixtures have been found to result in relatively high titania solids content, low surface tension, low viscosity suspensions that are low in flammability. Sols produced according to the present invention can be used, for example, in catalytic applications such as catalyst supports for diesel emission control, or in pollutant photocatalyst applications in which it is desirable to have the titania in sol form.Type: GrantFiled: November 13, 2009Date of Patent: August 21, 2012Inventor: David M. Chapman
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Publication number: 20120184733Abstract: The present invention provides a method for preparing an amide. The method includes the steps of performing in a reactor including a catalyst composition having a nitrogen-containing heterocyclic compound and sulfuric acid Beckman rearrangement of a ketoxime to form a product stream having the amide, wherein a molar ratio of the nitrogen-containing heterocyclic compound to the sulfuric acid is from 1:1 to 1:8; and separating an organic phase having the amide and an aqueous phase having the catalyst composition from the product stream. The present invention facilitates the regeneration of the catalyst composition with low water content, so as to increase the conversion rate of a ketoxime and the selectivity of an amide.Type: ApplicationFiled: December 21, 2011Publication date: July 19, 2012Applicant: China Petrochemical Development Corporation, Taipei (Taiwan)Inventors: Tung-Han Tsai, Cheng-Fa Hsieh, Hung-Hung Hseuh, Chien-Chuan Shih
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Publication number: 20120177821Abstract: Catalytic nanoparticles are coated with a layer of an amphoteric surfactant to stabilize the nanoparticles for electroless metal plating.Type: ApplicationFiled: July 18, 2011Publication date: July 12, 2012Applicant: Rohm and Haas Electronic Materials LLCInventor: Peter R. LEVEY
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Publication number: 20120088654Abstract: A mesoporous oxide composition includes, other than oxygen, a major amount of aluminum and lesser amounts of phosphorus and at least one rare earth element. The compositions have high surface area and excellent thermal and hydrothermal stability, with a relatively narrow pore size distribution in the mesoporous range. These compositions may be prepared by a hydrothermal co-precipitation method using an organic templating agent. These mesoporous oxide compositions may be used as catalysts or as supports for catalysts, for example, in a fluid catalytic cracking process.Type: ApplicationFiled: October 8, 2010Publication date: April 12, 2012Applicant: EXXONMOBIL RESEARCH AND ENGINEERING COMPANYInventors: Kun Wang, Robert C. Lemon
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Publication number: 20120083406Abstract: In one aspect of this invention, catalytic compositions produced by calcining intermediates of the formula [NR4]x[M12M2S8] are provided, wherein M1 is Mo or W; M2 is Co, Ni, or Pd; x is 2 or 3; and R is a C3-C8 alkyl group. Another aspect provides catalytic compositions produced by calcining intermediates of the formula Ax[M12M2S8], wherein A is selected from K, Rb, Cs, Sr, and Ba. Also provided are methods for making the compositions, and methods of using the compositions for the catalytic conversion of syngas into C1-C4 alcohols such as ethanol.Type: ApplicationFiled: December 7, 2011Publication date: April 5, 2012Applicant: RANGE FUELS, INC.Inventor: Karl KHARAS
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Publication number: 20120065321Abstract: A catalyst composition comprising a cation and an anion of the formula Anq?Qpm+, wherein m, n, p, and q are positive integers, wherein m*p=n*q, wherein Qm+ is an organo onium, and Aq? is an anion, provided that at least one Aq? is selected from the formula (I) wherein each R independently is H, halo, alkyl, aryl, aralkyl, or cycloalkyl, and which also may be halogenated, fluorinated, or perfluorinated, wherein two or more of R and R? groups may together form a ring, wherein each R group independently may contain one or more heteroatom(s), wherein R? can be the same as R, with the proviso that R? cannot be halo, and wherein the catalyst composition is essentially free of hydrocarbon containing alcohol.Type: ApplicationFiled: June 24, 2010Publication date: March 15, 2012Inventors: Werner M.A. Grootaert, Kim M. Vogel, Dennis E. Vogel
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Publication number: 20120053049Abstract: The invention provides a fiber product wherein a zirconium phosphate layer is electrostatically fixed on a fiber substrate, and a photocatalyst is electrostatically fixed on the surface of the zirconium phosphate layer. Preferably, the fiber product has a zirconium phosphate multilayer of two or more zirconium phosphate layers laminated via an aluminum ion or a polyaluminum ion, wherein the zirconium phosphate layer, which is the innermost layer of the zirconium phosphate multilayer, is electrostatically fixed on a fiber substrate via an aluminum ion or a polyaluminum ion, and a photocatalyst is electrostatically fixed on the zirconium phosphate layer, which is the outermost layer of the zirconium phosphate multilayer.Type: ApplicationFiled: February 12, 2010Publication date: March 1, 2012Applicants: Kurashiki Boseki Kabushiki Kaisha, Shinshu UniversityInventors: Hisanao Usami, Eiji Suzuki, Kouta Akaiwa, Kunihiro Ohshima
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Publication number: 20120035289Abstract: An object of the present invention is to provide a catalyst for producing a rigid polyurethane foam and an isocyanurate-modified rigid polyurethane foam excellent in storage stability in the case that water is contained as a blowing agent, and a raw material-blended composition using the same. In the present invention, a catalyst composition comprising the following amine compounds of (A) and (B) and/or (C) is used and further, a raw material-blended composition further containing a polyol component and water is used. (A) A quaternary ammonium salt represented by the following general formula (1): wherein each of R1 to R3 represents a hydrocarbon group having 1 to 12 carbon atoms, R4 represents an alkyl group or an aromatic hydrocarbon group having 1 to 18 carbon atoms, and X represents an organic acid group having an acid dissociation constant (pKa) of 4.8 or less; (B) A hydrophobic amine compound; (C) A heterocyclic tertiary amine compound.Type: ApplicationFiled: October 17, 2011Publication date: February 9, 2012Applicant: TOSOH CORPORATIONInventors: Katsumi TOKUMOTO, Yutaka Tamano
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Publication number: 20120027666Abstract: Homogeneous water oxidation catalysts (WOCs) for the oxidation of water to produce hydrogen ions and oxygen, and methods of making and using thereof are described herein. In a preferred embodiment, the WOC is a polyoxometalate WOC which is hydrolytically stable, oxidatively stable, and thermally stable. The WOC oxidized waters in the presence of an oxidant. The oxidant can be generated photochemically, using light, such as sunlight, or electrochemically using a positively biased electrode. The hydrogen ions are subsequently reduced to form hydrogen gas, for example, using a hydrogen evolution catalyst (HEC). The hydrogen gas can be used as a fuel in combustion reactions and/or in hydrogen fuel cells. The catalysts described herein exhibit higher turn over numbers, faster turn over frequencies, and/or higher oxygen yields than prior art catalysts.Type: ApplicationFiled: March 17, 2010Publication date: February 2, 2012Applicant: EMORY UNIVERSITYInventors: Craig L Hill, Yurii V Gueletii, Djamaladdin G. Musaev, Qiushi Yin, Bogdan Botar
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Publication number: 20120004096Abstract: Methods for amending the composition of catalyst inventory of ionic liquid catalyzed processes, whereby the catalytic activity of the catalyst inventory may be adjusted and maintained for the steady state operation of such processes by contacting the catalyst inventory with a liquid phase, catalyst make-up material comprising an anhydrous salt and/or a mixture of the ionic liquid with the salt, wherein the salt comprises a precursor of the ionic liquid.Type: ApplicationFiled: June 23, 2011Publication date: January 5, 2012Applicant: Chevron U.S.A. Inc.Inventor: Sven Ivar Hommeltoft
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Publication number: 20110303617Abstract: The subject of the invention is a hybrid photocatalyst which is a layered aluminosilicate, possibly organically modified, containing compounds introduced into the aluminosilicate galleries bearing groups such as porphyrin, rose bengal, anthracene, pyrene, perylene, tetracene, rubrene, naphthalene, phthalocyanines, coumarins, and methylene blue, which are organic chromophores able to absorb visible and/or ultraviolet light and sensitize photochemical reactions. The invention includes also the methods of synthesis and application of the photocatalysts for the photocatalytical degradation of water pollutants.Type: ApplicationFiled: August 25, 2011Publication date: December 15, 2011Applicant: UNIWERSYTET JAGIELLONSKIInventors: Maria NOWAKOWSKA, Krzysztof SZCZUBIALKA, Dominik DROZD
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Patent number: 8067329Abstract: Boron based catalysts and processes for preparing the catalysts are provided. The catalysts are suitable for the alkoxylation of alcohols using alkylene epoxides.Type: GrantFiled: April 30, 2009Date of Patent: November 29, 2011Assignee: E. I. du Pont de Nemours and CompanyInventor: Kenneth Gene Moloy
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Patent number: 8053606Abstract: A fluorinated alkylalkoxylate, and a process for its preparation in which at least one fluorinated alcohol is contacted with at least one alkylene epoxide in the presence of a catalyst system comprising an alkali metal borohydride, and an organic quaternary salt.Type: GrantFiled: April 30, 2009Date of Patent: November 8, 2011Assignee: E.I. du Pont de Nemours and CompanyInventors: Karl Jeffrey Sweetman, Scott Andrew Backer
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Publication number: 20110220839Abstract: An improved process for converting an oil suspension of nanoparticles (NPs) into a water suspension of NPs, wherein water and surfactant plus salt is used instead of merely water and surfactant, leading to greatly improved NP aqueous suspensions.Type: ApplicationFiled: July 30, 2009Publication date: September 15, 2011Applicant: WILLIAM MARSH RICE UNIVERSITYInventors: Michael S. Wong, Hitesh Ghanshyam Bagaria, Gautam Chandrakanth Kini, Wen Yin Lynn Ko
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Publication number: 20110190117Abstract: A process for producing a catalyst comprising the steps of contacting a support with a mixed metal precursor comprising tin oxalate, a second metal precursor, a solubilizing agent such as ammonium oxalate, and water to form an impregnated support and heating the impregnated support under conditions effective to remove at least a weight majority of the water and reduce the tin from the tin oxalate and the second metal from the second metal precursor and thereby form the catalyst.Type: ApplicationFiled: February 1, 2010Publication date: August 4, 2011Applicant: CELANESE INTERNATIONAL CORPORATIONInventors: Heiko Weiner, Victor J. Johnston, Radmila Jevtic
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Publication number: 20110172454Abstract: The invention relates to a method for producing diphenylcarbonate while using a catalyst composition comprising ionic fluids.Type: ApplicationFiled: September 17, 2009Publication date: July 14, 2011Applicant: BAYER TECHNOLOGY SERVICES GMBHInventors: Alexandra Große Böwing, Aurel Wolf, Kilian Tellmann, Leslaw Mleczko
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Publication number: 20110130592Abstract: The invention relates to a catalyst and a process for hydrogenating organic compounds.Type: ApplicationFiled: June 3, 2009Publication date: June 2, 2011Applicant: Bayer Technology Services GmbHInventors: Aurel Wolf, Volker Michele, Jens Assmann, Leslaw Mleczko
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Patent number: 7947622Abstract: Nanohybrid sol-gel materials, based on silica organically modified (ormosil) and doped with the ruthenium species tetra-n-propylammonium perruthenate (TPAP) are highly efficient catalysts for the selective oxidation of alcohols to carbonyls with oxygen at low pressure, in organic solvents as well as in carbon dioxide in supercritical state. Novel, highly active and stable materials are the fluorinated ormosils. Optimal conditions for the preparation and use thereof in liquid-phase as well as in supercritical CO2 were set by studying the structure-activity relationships of the materials, with particular reference to the surface hydrophobic/hydrophilic properties and to the textural ones.Type: GrantFiled: October 28, 2004Date of Patent: May 24, 2011Assignee: Consiglio Nazionale Delle RicercheInventors: Mario Pagliaro, Rosaria Ciriminna
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Publication number: 20110118109Abstract: The present invention is directed to compositions and processes for the production of stable, alkaline, high solids, low viscosity, low surface tension, low flammability, sub-micron titania sols that have minimal offensive odor and methods of their use. Compositions of the present invention include, for example, mixtures of strong and weak organic bases used as dispersants to stabilize the titania sols. The dispersant mixtures have been found to result in relatively high titania solids content, low surface tension, low viscosity suspensions that are low in flammability. Sols produced according to the present invention can be used, for example, in catalytic applications such as catalyst supports for diesel emission control, or in pollutant photocatalyst applications in which it is desirable to have the titania in sol form.Type: ApplicationFiled: November 13, 2009Publication date: May 19, 2011Inventor: David M. Chapman
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Publication number: 20110112269Abstract: The polymerizable composition for a polythiourethane optical material of the present invention includes (A) a polymerization catalyst for a polythiourethane optical material, (B) at least one compound selected from an isocyanate compound and an isothiocyanate compound, and (C) a compound containing one or more mercapto groups, wherein said polymerization catalyst for a polythiourethane optical material (A) includes (a1) a zinc compound, (a2) a compound represented by the following general formula (1), and (a3) a sulfonic acid represented by the following general formula (2):Type: ApplicationFiled: June 24, 2009Publication date: May 12, 2011Applicant: Mitsui Chemicals, Inc.Inventors: Masanori Iwazumi, Mamoru Tanaka
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Publication number: 20110105704Abstract: The present invention discloses post-metallocene complexes based on sterically encumbered bi- and tri-dentate naphthoxy-imine ligands. It also relates to the use of such post-metallocene complexes in the oligomerisation of ethylene to selectively prepare vinyl-end capped linear alpha-olefins.Type: ApplicationFiled: April 24, 2009Publication date: May 5, 2011Applicants: TOTAL PETROCHEMICALS RESEARCH FELUY, Centre National De Le Recherche Scientifique (CNRS)Inventors: Jean-Francois Carpentier, Evgueni Kirillov, Abbas Razavi
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Publication number: 20110092359Abstract: A photocatalytic coating composition comprising photocatalytic titanium oxide, silver, copper and a quaternary ammonium hydroxide. The photocatalytic coating composition may include a photocatalytic titanium oxide sol dispersed in a binder. Furthermore, a photocatalytic member includes a substrate having a surface coated with the photocatalytic coating composition. The photocatalyst coating composition can contain highly antibacterial silver by skillfully utilizing copper and a quaternary ammonium hydroxide, and accordingly can show an antibacterial effect not only in a dark place simply due to silver, but also a higher antibacterial effect in a conventional application of employing ultraviolet sterilization by concomitantly using the photocatalyst titanium oxide sol according to the present invention and an ultraviolet sterilizer.Type: ApplicationFiled: December 20, 2010Publication date: April 21, 2011Applicants: TAKI CHEMICAL CO., LTD., TOTO LTD.Inventors: Taketoshi KURODA, Hiroyuki IZUTSU, Isamu YAMAGUCHI, Yoshiyuki NAKANISHI
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Publication number: 20110077429Abstract: The present invention provides a catalyst composition for preparing an amide, including an amino acid ionic liquid having a cation of formula (I) and an anion selected from the group consisting of an inorganic acid group, an organic acid group and a combination thereof, wherein the numbers of the anion and the cation are such that the amino acid ionic liquid is electroneutral; and a Bronsted acid. The present invention also provides a method for preparing an amide in the presence of the catalyst composition, and the method has advantages such as decreasing viscosity of ionic liquid, and increasing conversion rate of ketoximes and selectivity of amides.Type: ApplicationFiled: November 30, 2009Publication date: March 31, 2011Applicant: CHINA PETROCHEMICAL DEVELOPMENT CORPORATIONInventors: Tung-Han Tsai, Cheng-Fa Hsieh, Chi-Yuan Chen
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Publication number: 20110015060Abstract: A catalyst for the desulfurization and deodorization of gasoline, which is expressed by the formula: QlBmHn[AxMyOz](1+m+n)?, where: Q denotes a quaternary ammonium cation consisting of R1R2R3R4N+, in which R1, R2, R3, and R4 each denotes independently a C1 to C20 saturated alkyl group, respectively, provided that at least one of R1, R2, R3, and R4 denotes a C4 to C20 saturated alkyl group; B denotes a metal cation of Na+ or/and K+; H denotes a hydrogen atom; A denotes a central atom of B, P, As, Si or Al; M denotes a coordinated atom of W or Mo; O denotes an oxygen atom; 1?l?10, 0?m?3, 0?n?3, l+m+n?14, x=1 or 2, 9?y?18, 34?z?62, and l, m, n, y and z all are integers. A method of the desulfurization and deodorization of gasoline by using the catalyst comprises the steps of: mixing the catalyst and an aqueous solution of hydrogen peroxide, and then adding the gasoline to react them with stirring under conditions of 25 to 90° C. and 0.1 to 1 MPa for 10 to 180 min.Type: ApplicationFiled: November 20, 2008Publication date: January 20, 2011Applicant: Dalian Institute of Chemical Physics, Chinese Academy of ScienceInventors: Can Li, Zongxuan Jiang, Yongna Zhang, Hongying Lv, Boyu Zhang
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Publication number: 20100297724Abstract: The present invention provides a composite comprising at least one hydrophobic organic compound and a matrix of at least one metal; wherein said at least one hydrophobic compound is entrapped within said matrix, compositions comprising at least one composite and methods of its preparation.Type: ApplicationFiled: May 20, 2010Publication date: November 25, 2010Applicant: YISSUM RESEARCH DEVELOPMENT COMPANY OF THE HEBREW UNIVERSITY OF JERUSALEMInventors: David AVNIR, Raed ABU-REZIQ, Rachael BEN KNAZ, Itzik YOSEF, Guy NESHER, Gad MAROM
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Publication number: 20100279852Abstract: Boron based catalysts and processes for preparing the catalysts are provided. The catalysts are suitable for the alkoxylation of alcohols using alkylene epoxides.Type: ApplicationFiled: April 30, 2009Publication date: November 4, 2010Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventor: KENNETH GENE MOLOY
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Publication number: 20100280281Abstract: A fluorinated alkylalkoxylate, and a process for its preparation in which at least one fluorinated alcohol is contacted with at least one alkylene epoxide in the presence of a catalyst system comprising an alkali metal borohydride, and an organic quaternary salt.Type: ApplicationFiled: April 30, 2009Publication date: November 4, 2010Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: Karl Jeffrey Sweetman, Scott Andrew Backer
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Publication number: 20100234212Abstract: A hydroprocessing bulk catalyst is provided. A process to prepare hydroprocessing bulk catalysts is also provided. The hydroprocessing catalyst has the formula (Mt)a(Lu)b(Sv)d(Cw)e(Hx)f(Oy)g(Nz)h,, wherein M is at least one group VIII metal; promoter metal L is optional and if present, L is at least one Group VIII non-noble metal; t, u, v, w, x, y, z representing the total charge for each of the components (M, L, S, C, H, O and N, respectively); ta+ub+vd+we+xf+yg+zh=0; 0=<b; and 0=<b/a=<5, (a+0.5b)<=d<=(5a+2b), 0<=e<=11(a+b), 0<=f<=7(a+b), 0<=g<=5(a+b), 0<=h<=0.5(a+b). The catalyst has an X-ray powder diffraction pattern with at least one broad diffraction peak at any of Bragg angles: 8 to 18°, 32 to 40°, and 55 to 65° (from 0 to 70° 2-? scale).Type: ApplicationFiled: May 26, 2010Publication date: September 16, 2010Inventors: Axel Brait, Alexander E. Kuperman, Jaime Lopez, Oleg Mironov, Bruce Reynolds, Kaidong Chen
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Publication number: 20100234548Abstract: Phenanthroline-comprising complexes and catalyst systems obtained therefrom, and also their use in the polymerization of olefins.Type: ApplicationFiled: December 16, 2008Publication date: September 16, 2010Applicant: Basell Polyolefine GmbHInventors: Lars Kölling, Shahram Mihan
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Publication number: 20100204074Abstract: Disclosed are ionic liquids that have a low melting point. Said liquids are provided in the form of compounds that are selected among the group comprising tetraalkyl ammonium salts, benzyl trialkyl ammonium salts, tetraalkyl phosphonium salts, and benzyl trialkyl phosphonium salts, provided that at last two alkyl groups represent aliphatic radicals with chain lengths ranging from 8 to 10 C atoms, and provided that not all alkyl radicals are identical.Type: ApplicationFiled: February 23, 2007Publication date: August 12, 2010Applicant: COGNIS IP MANAGEMENT GMBHInventors: Hendrik Huesken, Paul Birnbrich, Gilbert Schenker
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Publication number: 20100197483Abstract: An ionic liquid catalyst, which has been regenerated by contacting a used ionic liquid catalyst with at least one regeneration metal in a regeneration zone in the presence of added hydrogen under regeneration conditions for a time sufficient to increase the activity of the ionic liquid catalyst. Also, an ionic liquid catalyst which has been regenerated by contacting a used ionic liquid catalyst with at least one regeneration metal in a regeneration zone in the presence of added hydrogen under regeneration conditions in the presence of an inert hydrocarbon in which conjunct polymers are soluble for a time sufficient to increase the activity of the ionic liquid catalyst.Type: ApplicationFiled: April 13, 2010Publication date: August 5, 2010Inventors: Saleh Elomari, Thomas V. Harris
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Patent number: 7767612Abstract: A catalyst composition for producing polyesters comprises: a) an organometallic compound obtained by reacting an orthoester or condensed orthoester of titanium, zirconium or aluminum, an alcohol containing at least two hydroxyl groups, a 2-hydroxy carboxylic acid and a base; and b) at least one compound comprising germanium, antimony or tin. Polyesters obtained by esterification reaction in the presence of the catalyst compositions according to the present invention exhibit improved melt properties and are particularly suitable for production of textile and commercial fibers, films and rigid packaging.Type: GrantFiled: November 21, 2001Date of Patent: August 3, 2010Assignees: Johnson Matthey PLC, Performance Fibers, Inc.Inventors: Andrew Martin Bellamy, Charles Mark Lindall, Calum Harry McIntosh, Martin Graham Partridge, John Armstrong Young, Steven Charles Davies
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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: 20100181230Abstract: A catalyst for ultra-deep desulfurization of diesel via oxidative distillation is an amphiphilic oxidative catalyst, which is expressed as Qm[XMnOq], wherein 1?m?12; 9?n?18; 34?q?62; Q is a quaternary ammonium cation; X is P, Si, As or B; and M is Mo) or W. A desulfurization method comprises a) mixing well a diesel, the amphiphilic catalyst, and hydrogen peroxide, reacting for 10-300 minutes at ambient temperature and normal pressure, transforming the sulfur-containing compounds in the diesel into sulfone to obtain an oxidized diesel; b) distilling the oxidized diesel obtained in step a) under reduced pressure to obtain the ultra-low sulfur diesel having a sulfur content of less than 10 ppm; and c) separating and recovering the catalyst and sulfone.Type: ApplicationFiled: October 24, 2008Publication date: July 22, 2010Inventors: Zongxuan Jiang, Can Li, Yongna Zhang, Hongying Lv