Nitrogen Compound Containing Patents (Class 502/200)
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Publication number: 20120202898Abstract: The present invention relates to a sulphided multi-metallic catalyst, the process for obtaining it by sulphidation of a multi-metallic solid and use thereof in a process for producing higher alcohols (C2+), mainly ethanol, through the catalytic conversion of synthesis gas.Type: ApplicationFiled: August 12, 2010Publication date: August 9, 2012Applicant: Abengoa Bioenergia Nuevas Technologias ,S.A.Inventors: Gonzalo Prieto González, José Manuel Serra Alfaro, Agustin Martinez Feliu, Juan Luis Sanz Yagüe, José Caraballo Bello, Ricardo Arjona Antolín
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Publication number: 20120199468Abstract: The present invention relates to a photocatalytically active nanoparticulate material. A nanoparticle of the invention is a composite nanoparticle having two crystalline phases: hydrogen titanate and titania, which are uniformly mixed in the nanoparticle. The invention also relates to forming a nanoparticulate composite material by heating a basic titania sol under solvothermal conditions.Type: ApplicationFiled: August 11, 2010Publication date: August 9, 2012Applicant: NANYANG TECHNOLOGICAL UNIVERSITYInventors: Yu Hua Cheng, Zhong Chen
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Patent number: 8236915Abstract: Disclosed herein are manganese, iron, cobalt, or nickel complexes containing terdentate pyridine diimine ligands and their use as efficient and selective hydrosilylation catalysts.Type: GrantFiled: July 8, 2010Date of Patent: August 7, 2012Assignees: Momentive Performance Materials Inc., Cornell UniversityInventors: Johannes G. P. Delis, Susan A. Nye, Kenrick M. Lewis, Keith J. Weller, Paul J. Chirik, Aaron M. Tondreau, Sarah Kathleen Russell
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Publication number: 20120189681Abstract: A layered heterostructured coating has functional characteristics that enable the controlled release of volatile agents. The coating has photocatalytic properties, since it uses titanium dioxide, its derivatives or materials with similar photocatalytic properties (2), which upon solar irradiation open and/or degrade nano or microcapsules (3) and subsequently releases in a controlled form the volatile agents contained in them.Type: ApplicationFiled: December 11, 2009Publication date: July 26, 2012Inventors: Carlos José Macedo Tavares, Femando Da Silva Pina
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Publication number: 20120190533Abstract: A method for treating a catalyst base that comprises a contact area of porous material. A fluid, such as a flue gas stream, can be conducted along the contact area. A catalytically relevant substance is introduced into pores of the catalyst base using a transport fluid and remains on pore wall areas after removal of the transport fluid. The introduction is carried out such that an amount of the catalytically relevant substance relative to the surface remains on the pore wall areas as a function of location within the pore and decreases within the pore after exceeding a specific pore depth. A blocking fluid can first be introduced into pore regions beyond the specific pore depth, thus blocking these regions when transport fluid containing the catalytically relevant substance is introduced.Type: ApplicationFiled: April 3, 2012Publication date: July 26, 2012Applicant: STEAG Energy Services GmbHInventors: Hermann Brüggendick, Maik Blohm
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Publication number: 20120178616Abstract: The invention contemplates a method of making a catalytic material, and uses of the material. The catalytic material is made by depositing catalytic metals, such as gold or platinum, on substrate materials, such as lanthanum-doped ceria or other oxides. The catalytic metal, which comprises both crystalline and non-crystalline structures, is treated, for example with aqueous basic NaCN solution, to leach away at least some of the crystalline metallic component. The remaining noncrystalline metallic component associated with the substrate exhibits catalytic activity that is substantially similar to the catalyst as prepared. The use of the catalyst in an apparatus such as a reactor or analytic instrument is contemplated, as is the use of the catalyst in efficient, cost-effective reactions, such as removal of carbon monoxide from fuel gases, for example by performing the water gas shift reaction.Type: ApplicationFiled: September 23, 2011Publication date: July 12, 2012Inventors: Maria Flytzani-Stephanopoulos, Howard M. Saltsburg, Qi Fu
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Publication number: 20120168350Abstract: An improved process for preparing a slurry catalyst for the upgrade of heavy oil feedstock is provided. The process employs a polar aprotic solvent to mix with the inorganic metal precursor feed to form an oil-dispersible inorganic metal precursor, at a weight ratio of solvent to inorganic metal precursor of 1:1 to 10:1; the oil-dispersible inorganic metal precursor is subsequently sulfided forming the slurry catalyst. In one embodiment, the sulfiding is in-situ upon mixing the oil-dispersible inorganic metal precursor with a hydrocarbon diluent containing a heavy oil feedstock under in-situ sulfiding conditions.Type: ApplicationFiled: December 20, 2011Publication date: July 5, 2012Inventors: Oleg Mironov, Alexander E. Kuperman
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Publication number: 20120172648Abstract: The present invention provides methods for controlling defects in materials, including point defects, such as interstitials and vacancies, and extended defects, including dislocations and clusters. Defect control provided by the present invention allows for fabrication and processing of materials and/or structures having a selected abundance, spatial distribution and/or concentration depth profile of one or more types of defects in a material, such as vacancies and/or interstitials in a crystalline material. Methods of the invention are useful for processing materials by controlling defects to access beneficial physical, optical, chemical and/or electronic properties.Type: ApplicationFiled: January 4, 2012Publication date: July 5, 2012Applicant: THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOISInventor: Edmund G. Seebauer
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Publication number: 20120152806Abstract: A method to upgrade heavy oil feedstock using an ebullated bed reactor and a novel catalyst system is provided. The ebullated bed reactor system includes two different catalyst with different characteristics: an expanded catalyst zone containing particulate catalyst having a particle size of greater than 0.65 mm; and a slurry catalyst having an average particle size ranging from 1 to 300 ?m. The slurry catalyst is introduced to the ebullated bed system with the heavy oil feedstock, and entrained in the upflowing hydrocarbon liquid passing through the ebullated bed reaction zone. The slurry catalyst reduces the formation of sediment and coke precursors in the ebullating bed reactor system. The slurry catalyst is prepared from at least a water-soluble metal precursor and pre-sulfided prior to being introduced with the heavy oil feedstock to the reactor system, or sulfided in-situ in the ebullated bed reactor in another embodiment.Type: ApplicationFiled: December 20, 2011Publication date: June 21, 2012Inventors: Bruce E. Reynolds, Julie Chabot, Erin Maris, Sean Solberg, Kaidong Chen
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Publication number: 20120149556Abstract: One subject of the invention is a material comprising a substrate coated on at least one portion of at least one of its faces with a stack comprising a photocatalytic layer, the geometrical thickness of which is between 2 and 30 nm, and at least one pair of respectively high and low refractive index layers positioned underneath said photocatalytic layer so that in the or each pair, the or each high refractive index layer is closest to the substrate, said material being such that the optical thickness, for a wavelength of 350 nm, of the or each high refractive index layer, except the photocatalytic layer, is between 170 and 300 nm and the optical thickness, for a wavelength of 350 nm, of the or each low refractive index layer is between 30 and 90 nm.Type: ApplicationFiled: July 13, 2010Publication date: June 14, 2012Applicant: SAINT-GOBAIN GLASS FRANCEInventors: Stephane Laurent, Anne Durandeau, Emmanuel Valentin
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Publication number: 20120135855Abstract: The provision of beautiful colored titanium which is excellent in adhesion of the pure titanium or a titanium alloy with the base material, is excellent in photocatalytic activity, and further is excellent in design properties and a method of production of the same which is excellent in productivity and uses an anodic oxidation process is made the object. A titanium-based material having visible light response and excellent in photocatalytic activity characterized in that the material has pure titanium or titanium alloy as a base material, a thickness of a titanium oxide layer which is present on its surface is 0.1 ?m to 5.0 ?m in range, said titanium oxide layer contains anatase-type titanium dioxide and titanium bonded with hydroxy groups, and further said titanium oxide layer contains nitrogen and carbon respectively in 0.5 to 30 mass %.Type: ApplicationFiled: June 1, 2010Publication date: May 31, 2012Inventors: Michio Kaneko, Kiyonori Tokuno, Hiroshi Shimizu, Kazuo Yamagishi, Asami Shimomura, Mituyuki Hasegawa, Ruriko Yokoyama
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Publication number: 20120121811Abstract: Isocyanate prepolymer catalysts and processes for rapidly curing isocyanate prepolymers are disclosed herein. Substrates coated with the isocyanate prepolymers are treated with a drying agent and water, which combine to form a hydrated catalyst complex. Co-catalysts, such as organo tins, may be used to further enhance the curing rate.Type: ApplicationFiled: January 27, 2012Publication date: May 17, 2012Inventors: Alan D. McInnes, Iona Mary McInnes
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Publication number: 20120122660Abstract: An oxidation catalyst comprises an extruded solid body comprising: 10-95% by weight of at least one binder/matrix component; 5-90% by weight of a zeolitic molecular sieve, a non-zeolitic molecular sieve or a mixture of any two or more thereof; and 0-80% by weight optionally stabilised ceria, which catalyst comprising at least one precious metal and optionally at least one non-precious metal, wherein: (i) a majority of the at least one precious metal is located at a surface of the extruded solid body; (ii) the at least one precious metal is carried in one or more coating layer(s) on a surface; (iii) at least one metal is present throughout the extruded solid body and in a higher concentration at a surface; (iv) at least one metal is present throughout the extruded solid body and in a coating layer(s) on a surface; or (v) a combination of (ii) and (iii).Type: ApplicationFiled: February 1, 2011Publication date: May 17, 2012Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANYInventors: Paul Joseph Andersen, Todd Ballinger, David Bergeal, Hsiao-Lan Chang, Hai-Ying Chen, Julian Cox, Ralf Dotzel, Rainer Leppelt, Jörg Werner Münch, Hubert Schedel, Duncan John William Winterborn
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Publication number: 20120093714Abstract: Disclosed herein provide compositions and hydrogen release methods for a high-capacity complex hydrogen storage material. The hydrogen storage material is mainly composed of metal borohydride and NH3. The invention advantageously adopt ammonia, one cheap and easily supplied material with high hydrogen content (17.6 wt %), as one of the hydrogen source, offering a safe and efficient way to store hydrogen and release hydrogen. Furthermore, the hydrogen storage material can be further catalyzed by a transition metal catalyst to improve the dehydrogenation kinetics. With the addition of catalyst, 0.2-10 equiv. H2 could be evolved at ?100˜600° C., which might be applied on vehicles which are fueled by hybrid or fuel cell.Type: ApplicationFiled: December 20, 2010Publication date: April 19, 2012Inventors: Ping Chen, Xueli Zheng, Hailiang Chu, Zhitao Xiong, Guotao Wu
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Patent number: 8157986Abstract: A magnetic nanoparticle complex includes a magnetic nanoparticle; and a ligand associated with the magnetic nanoparticle, the ligand including a functional group capable of combining with an acid component or a conjugate base of the acid component, in an oil. A method for preparing a magnetic nanopartide complex, includes preparing a pre-ligand having at least one amino group and at least one carbamate group or dithiocarbamate group; associating the pre-ligand with a magnetic nanoparticle to form a magnetic nanoparticle-ligand complex; and modifying the ligand to form a modified ligand having a functional group capable of combining with an acid component in an oil or a conjugate base of the acid component.Type: GrantFiled: August 27, 2008Date of Patent: April 17, 2012Assignee: Seoul National University Research & Development Business FoundationInventor: Jin-Kyu Lee
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Patent number: 8158548Abstract: The invention describes the preparation of electrocatalysts, both anodic (aimed at the oxidation of the fuel) and cathodic (aimed at the reduction of the oxygen), based on mono- and plurimetallic carbon nitrides to be used in PEFC (Polymer electrolyte membrane fuel cells), DMFC (Direct methanol fuel cells) and H2 electrogenerators. The target of the invention is to obtain materials featuring a controlled metal composition based on carbon nitride clusters or on carbon nitride clusters supported on oxide-based ceramic materials. The preparation protocol consists of three steps. In the first the precursor is obtained through reactions of the type: a) sol-gel; b) gel-plastic; c) coagulation-flocculation-precipitation. The second step consists of the thermal treatments to decompose the precursors in an inert atmosphere leading to the production of the carbon nitrides. In the last step the chemical and electro-chemical activation of the electrocatalysts is performed.Type: GrantFiled: April 17, 2007Date of Patent: April 17, 2012Assignee: Breton S.p.A.Inventors: Vito Di Noto, Enrico Negro, Sandra Lavina, Giuseppe Pace
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Publication number: 20120088186Abstract: The invention relates to a catalyst, to the use thereof for the electrochemical conversion of methane to methanol and for the direct electrochemical conversion of methane to CO2. The invention also relates to an electrode, in particular for a fuel cell including such a catalyst, as well as to a method for manufacturing such an electrode. The invention further relates to a fuel cell including said catalyst or said electrode. The catalyst according to the invention includes a platinum precursor (II), and optionally a metal-ion precursor M supported by particles of a heteropolyanion (HPA). The invention can be used in particular in the field of the electrochemical oxidation of methane into methanol or CO2.Type: ApplicationFiled: April 23, 2010Publication date: April 12, 2012Applicants: UNIVERSITE PARIS SUD XI, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventor: Yu-Wei Lu
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Patent number: 8148291Abstract: It is an object of the present invention to provide a catalyst having excellent performance and high mechanical strength for use in the production of methacrylic acid. A method for manufacturing a catalyst comprising essential active components of molybdenum, phosphorus, vanadium, cesium, ammonia, copper, and antimony for use in the production of methacrylic acid, comprising drying a slurry prepared by mixing a compound(s) containing the essential active components with water and then calcining the resulting dry powder and molding the calcined powder.Type: GrantFiled: June 8, 2011Date of Patent: April 3, 2012Assignee: Nippon Kayaku Kabushiki KaishaInventors: Atsushi Sudo, Tatsuhiko Kurakami, Toshitake Kojima, Shigeo Hayashimoto, Yasushi Kobayashi
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Publication number: 20120064787Abstract: A method is disclosed of producing stable nanosized colloidal suspensions of particles with limited crystallinity loss, products thereof, use of the products and an apparatus for the method. In particular the present invention relates to a wet milling method with small beads wherein the size of the final particles in suspension are stabilized in the nanorange (D50<75 nm) and at the same time the particles substantially maintain the crystallinity.Type: ApplicationFiled: March 22, 2010Publication date: March 15, 2012Applicant: VALINGE PHOTOCATALYTIC ABInventors: Steen Brummerstedt Iversen, Hans Rasmussen, Christian Ausig Christensen, Henrik Jensen, Theis Reenberg
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Patent number: 8114803Abstract: This invention provides a catalyst material comprising a conductive material coated with a polynuclear complex molecule derived from at least two types of heteromonocyclic compounds and a catalyst metal coordinated to the coating layer of the polynuclear complex molecule, and a catalyst material comprising a conductive material coated with a polynuclear complex molecule derived from a heteromonocyclic compound and a catalyst metal, which is a composite of a noble metal and a transition metal, coordinated to the coating layer of the polynuclear complex molecule. Such catalyst material of the invention has excellent catalytic performance and serviceability as, for example, an electrode of fuel cells.Type: GrantFiled: February 3, 2006Date of Patent: February 14, 2012Assignee: Toyota Jidosha Kabushiki KaishaInventors: Makoto Yuasa, Kenichi Oyaizu, Aritomo Yamaguchi, Hiroshi Ikkanda, Ken Tanaka, Yuichi Iai, Masakuni Yamamoto, Shigeru Kido, Hidetaka Nishikoori, Tetsuo Nagami, Naoko Iwata
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Publication number: 20120016143Abstract: A catalyst for the epoxidation of an olefin comprising a carrier and deposited on the carrier, silver, a promoting amount of one or more promoters selected from the group consisting of alkali metals and rhenium and a promoting amount of nickel, wherein the nickel is added as a nickel compound or nickel complex during the initial impregnation along with the silver and other promoters; including a process for preparing the catalyst; a process for preparing an olefin oxide by reacting a feed comprising an olefin and oxygen in the presence of the catalyst; and a process for preparing a 1,2-diol, a 1,2-diol ether, a 1,2-carbonate, or an alkanolamine.Type: ApplicationFiled: July 11, 2011Publication date: January 19, 2012Applicant: SHELL OIL COMPANYInventor: Marek MATUSZ
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Publication number: 20120003134Abstract: The present disclosure relates to a fluid purification device that has a deactivation resistant photocatalyst having nanocrystallites of less than 14 nanometers (nm) in diameter with at least 200 m2 surface area/cm3 of skeletal volume in cylindrical pores of 5 nm in diameter or larger, with the mode of the pore size distribution 10 nm or more.Type: ApplicationFiled: June 30, 2011Publication date: January 5, 2012Applicant: CARRIER CORPORATIONInventors: Thomas Henry Vanderspurt, Treese Hugener-Campbell, Norberto O. Lemcoff, Stephen O. Hay, Wayde R. Schmidt, Joseph J. Sangiovanni, Zissis A. Dardas, Di Wei
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Publication number: 20110318662Abstract: The present disclosure relates to a catalyst including platinum phosphide having a cubic structure, a method of making the catalyst, and a fuel cell utilizing the catalyst. The present disclosure also relates to method of making electrical power utilizing a PEMFC incorporating the catalyst. Also disclosed herein is a catalyst including a platinum complex wherein platinum is complexed with a nonmetal or metalloid. The catalyst with the platinum complex can exhibit good electro-chemically active properties.Type: ApplicationFiled: March 12, 2010Publication date: December 29, 2011Applicants: FORD MOTOR COMPANY, DAIMLER AGInventors: Natalia Kremliakova, Scott McDermid, Stephen Campbell
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Patent number: 8084386Abstract: Method for producing a hydrogen storage material that includes a metal hydride and a non-hydrogenated material and that is doped with a metal as a catalyst, includes; mixing a catalyst precursor, which includes the metal, with the non-hydrogenated material so as to provide a first mixture; agitating the first mixture; thermally treating the first mixture so as to form a composite of the non-hydrogenated material and the metal; mixing the composite with the metal hydride so as to provide a second mixture; and grinding the second mixture so as to provide the hydrogen storage material.Type: GrantFiled: July 27, 2006Date of Patent: December 27, 2011Assignee: Forschungszentrum Karlsruhe GmbHInventors: Maximilian Fichtner, Christoph Frommen
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Publication number: 20110311392Abstract: A quaternary oxide foam, comprises an open-cell foam containing (a) a dopant metal, (b) a dopant nonmetal, (c) titanium, and (d) oxygen. The foam has the advantages of a high surface area and a low back pressure during dynamic flow applications. The inactivation of Escherichia coli (E. coli) was demonstrated in a simple photoreactor.Type: ApplicationFiled: December 18, 2008Publication date: December 22, 2011Inventors: Jian-Ku Shang, Pinggui Wu, Rong-Cai Xie
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Publication number: 20110312488Abstract: A catalyst system for generating at least one polyol from a feedstock comprising saccharide is disclosed. Generating the polyol involves, contacting hydrogen, water, and a feedstock comprising saccharide, with a catalyst system to generate an effluent stream comprising at least one polyol and recovering the polyol from the effluent stream. The catalyst system comprises at least one metal component with an oxidation state greater than or equal to 2+.Type: ApplicationFiled: July 28, 2011Publication date: December 22, 2011Applicant: UOP LLCInventors: John Q. Chen, Tom N. Kalnes, Joseph A. Kocal
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Publication number: 20110312487Abstract: A catalyst system for generating at least one polyol from a feedstock comprising saccharide is performed in a continuous or batch manner. Generating the polyol involves, contacting, hydrogen, water, and a feedstock comprising saccharide, with a catalyst system to generate an effluent stream comprising at least one polyol and recovering the polyol from the effluent stream. The catalyst system comprises at least one unsupported component and at least one supported component.Type: ApplicationFiled: July 28, 2011Publication date: December 22, 2011Applicant: UOP LLCInventors: John Q. Chen, Tom N. Kalnes, Joseph A. Kocal
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Publication number: 20110301018Abstract: A method of making a doped metal oxide includes heating a first doped metal oxide by rapid thermal annealing, to form a second doped metal oxide. The crystal structure of the second doped metal oxide is different from the crystal structure of the first doped metal oxide. The method may provide a doped titanium oxide, where the atomic ratio of dopant nonmetal to titanium is from 2% to 20%, and at least 10% of the doped titanium oxide is in the rutile phase. The method also can provide a doped tin oxide, where the atomic ratio of dopant nonmetal to tin is from 2% to 20%, and at least 50% of 900 the doped tin oxide is in the rutile phase.Type: ApplicationFiled: May 13, 2009Publication date: December 8, 2011Inventors: Qi Li, Jian-Ku Shang
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Publication number: 20110294658Abstract: A catalyst precursor comprising (A) a microporous support, (B) a non-noble metal precursor, and (C) a pore-filler, wherein the micropores of the microporous support are filled with the pore-filler and the non-noble metal precursor so that the micropore surface area of the catalyst precursor is substantially smaller than the micropore surface area of the support when the pore-filler and the non-noble metal precursor are absent is provided. Also, a catalyst comprising the above catalyst precursor, wherein the catalyst precursor has been pyrolysed so that the micropore surface area of the catalyst is substantially larger than the micropore surface area of catalyst precursor, with the proviso that the pyrolysis is performed in the presence of a gas that is a nitrogen precursor when the microporous support, the non-noble metal precursor and the pore-filler are not nitrogen precursors is also provided. Methods of producing the catalyst precursor and the catalyst are provided.Type: ApplicationFiled: October 2, 2009Publication date: December 1, 2011Applicant: Institut National De La Recherche ScientifiqueInventors: Michel Lefevre, Eric Proietti, Frederic Jaouen, Jean-Pol Dodelet, Allan S. Hay
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Publication number: 20110275011Abstract: The present invention relates to electrochemical catalyst particles, including nanoparticles, which can be used membrane electrode assemblies and in fuel cells. In exemplary embodiments, the present invention provides electrochemical catalysts supported by various materials. Suitably the catalysts have an atomic ratio of oxygen to a metal in the nanoparticle of about 3 to about 6.Type: ApplicationFiled: October 22, 2009Publication date: November 10, 2011Applicants: Sharp Kabushiki Kaisha, Nanosys, Inc.Inventors: Yimin Zhu, Jay L. Goldman, Baixin Qian, Ionel C. Stefan, Mutsuko Komoda, Hirotaka Mizuhata, Takenori Onishi
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Publication number: 20110266136Abstract: Methods for preparing and using a photocatalyst are described. The catalyst is prepared by oxidation of a metal salt which has been doped in situ to form a photocatalyst active in visible light. The photocatalyst is used for degrading toxic and irritating compounds and infectious agents.Type: ApplicationFiled: April 30, 2010Publication date: November 3, 2011Inventors: Rajender S. Varma, Babita Baruwati, Jurate Virkutyte
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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: 8044013Abstract: The present invention relates to the use of metal complex compounds with terpyridine ligands as oxidation catalysts. The present invention relates also to formulations comprising such metal complex compounds, to novel metal complex compounds, and to novel ligands. The metal complex compounds are used especially tor improving the action of peroxides, for example in the treatment of textile material, without at the same time causing any appreciable damage to fibres and dyeings.Type: GrantFiled: October 20, 2008Date of Patent: October 25, 2011Assignee: BASF SEInventors: Gunther Schlingloff, Torsten Wieprecht, Frank Bachmann, Josée Dannacher, Marie-Josée Dubs, Menno Hazenkamp, Grit Hänsler-Richter, Brigitte Schmidt, Albert Schneider, Peter Weingartner
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Publication number: 20110237829Abstract: It is an object of the present invention to provide a catalyst having excellent performance and high mechanical strength for use in the production of methacrylic acid. A method for manufacturing a catalyst comprising essential active components of molybdenum, phosphorus, vanadium, cesium, ammonia, copper, and antimony for use in the production of methacrylic acid, comprising drying a slurry prepared by mixing a compound(s) containing the essential active components with water and then calcining the resulting dry powder and molding the calcined powder.Type: ApplicationFiled: June 8, 2011Publication date: September 29, 2011Applicant: NIPPON KAYAKU KABUSHIKI KAISHAInventors: Atsushi Sudo, Tatsuhiko Kurakami, Toshitake Kojima, Shigeo Hayashimoto, Yasushi Kobayashi
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Publication number: 20110237762Abstract: The present invention relates to a reactor, a process for producing a prepolymerization catalyst for olefin polymerization, and a process for producing an olefin polymer. A reactor for producing a prepolymerization catalyst for olefin polymerization, said reactor comprising: a stirring blade; and a scraper, wherein said scraper is capable of scraping off a fouling adhered on an inner wall surface of the reactor, and a portion of the scraper for scraping off at least said fouling is made of a polyolefin.Type: ApplicationFiled: March 28, 2011Publication date: September 29, 2011Applicant: Sumitomo Chemical Company, LimitedInventors: Tomoaki GOTO, Yoichi Masuda
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Publication number: 20110223096Abstract: Thermally stable catalyst for heterogeneously catalyzed oxidation in the presence of hydrogen chloride and/or chlorine, comprising nanoparticulate core of a ruthenium compound with surrounding gas- and liquid-pervious shell of zirconium oxide or titanium oxide.Type: ApplicationFiled: November 24, 2009Publication date: September 15, 2011Applicant: Bayer Technology Services GMBHInventors: Aurel Wolf, Leslaw Mleczko, Jens Abmann, Frank Rauscher
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Patent number: 8017544Abstract: A method is described for lowering the nitrate content in a cobalt catalyst precursor formed by impregnating a catalyst support with cobalt nitrate, comprising calcining the impregnated support in air to effect partial denitrification and subsequently heating the calcined impregnated support to a temperature below 250° C. in the presence of a gas mixture comprising 0.1-10% hydrogen by volume in an inert gas.Type: GrantFiled: May 9, 2006Date of Patent: September 13, 2011Assignee: Johnson Matthey PLCInventors: John Leonello Casci, Alejandro Martin Antonini
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Patent number: 8017708Abstract: A modified Ziegler-Natta catalyst system, a method for preparing the catalyst system, and a process for polymerizing an olefin in the presence of the catalyst system are disclosed. The catalyst system comprises a titanium compound, an aluminum compound, and a nitroso compound. Improved polyolefin properties, such as high molecular weight, are obtained.Type: GrantFiled: October 2, 2009Date of Patent: September 13, 2011Assignee: Equistar Chemicals, LPInventors: Sandor Nagy, Joachim T. M. Pater, Giampiero Morini
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Patent number: 8012902Abstract: Disclosed are partially deactivated metal catalysts useful for modifying structures of nanomaterials. The present invention is also directed to a method for preparing the partially deactivated metal catalysts, which comprises patterning a substrate with micelles containing iron nanoparticles, removing the micelles from the patterned substrate to deposit the iron nanoparticles thereon, nitriding the iron nanoparticles using a nitrogen plasma, and exposing the nitrided iron nanoparticles to a mixture of ethanol and nitric acid to remove iron from the surface of the nitrided nanoparticles. The iron nitride metal catalyst with a nano-size according to the present invention comprises a core that includes deactivated iron nitride and an active shell surrounding the core. Thus, when preparing a carbon nanotube, the metal catalyst can be effectively used to control the number of walls formed in the carbon nanotube.Type: GrantFiled: November 26, 2008Date of Patent: September 6, 2011Assignee: Korea Advanced Institute of Science and TechnologyInventors: Jeung Ku Kang, Kyung Min Choi, Jung Hoon Choi, Saji Augustine, Weon Ho Shin, Seong Ho Yang
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Publication number: 20110212829Abstract: A process for making a ceramic catalyst material includes mixing a catalyst precursor material with a mineral particulate to form a mixture; adding a binder, silicon carbide, and a parting agent to the mixture to form unfired spheroids; and heating the unfired spheroids at a temperature effective to oxidize the silicon carbide and the catalyst precursor material to form the ceramic catalyst material. In another embodiment, the process includes the addition of a catalyst metal oxide salt to an aluminosilicate hydrogel aggregate mixture. Once the mixture sets, the set mixture is heated to a temperature to effective to produce a high surface area ceramic catalyst material.Type: ApplicationFiled: March 16, 2011Publication date: September 1, 2011Inventor: Felice DiMascio
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Patent number: 7997281Abstract: Smoking article components, cigarettes, methods for making cigarettes and methods for smoking cigarettes are provided that use nitrided transition metal oxide nanoscale particles and/or nitrided transition metal oxide clusters capable of catalyzing and/or oxidizing carbon monoxide to carbon dioxide and/or adsorbing carbon monoxide and catalyzing and/or reducing nitric oxide to nitrogen and/or adsorbing nitric oxide. Cut filler compositions, cigarette paper and cigarette filter material can comprise nitrided transition metal oxide nanoscale particles and/or nitrided transition metal oxide clusters.Type: GrantFiled: February 3, 2010Date of Patent: August 16, 2011Assignee: Philip Morris USA Inc.Inventors: Budda V. Reddy, Firooz Rasouli
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Publication number: 20110195836Abstract: A catalytic nanotemplate including a freestanding template particle and a director associated with the surface of the freestanding template particle. The free standing template particle may have multiple segments and the director may be associated with one or more of the segments. In instances where multiple segments are present, the segments may be made of different materials or be of the same material in different forms. More than one type of director or no director may be associated with any particular segment.Type: ApplicationFiled: April 18, 2011Publication date: August 11, 2011Applicant: CABOT SECURITY MATERIALS INC.Inventor: Michael J. Natan
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Patent number: 7994086Abstract: A series of novel late transition metal catalysts for olefin oligomerization have been invented. The catalysts demonstrate high activity and selectivity for linear ?-olefins.Type: GrantFiled: November 29, 2010Date of Patent: August 9, 2011Assignee: ExxonMobil Chemical Patents Inc.Inventors: Baiyi Zhao, Smita Kacker, Jo Ann Marie Canich
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Patent number: 7994355Abstract: The present invention relates to metallocene-based phosphine ligands having chirality at phosphorus and at least one other element of chirality (planar chirality and/or chirality at carbon); and to the use of such ligands in asymmetric transformation reactions to generate high enantiomeric excesses of formed compounds. A method for the preparation of ligands according to the invention involving the conversion of the ortho-lithiated substituted metallocene to a phosphine chiral at phosphorus is also disclosed.Type: GrantFiled: January 14, 2005Date of Patent: August 9, 2011Assignee: Solvias AGInventors: Wei-Ping Chen, John Whittall
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Publication number: 20110176988Abstract: The ammonia decomposition catalyst of the present invention is a catalyst for decomposing ammonia into nitrogen and hydrogen, including a catalytically active component containing at least one kind of transition metal selected from the group consisting of molybdenum, tungsten, vanadium, chromium, manganese, iron, cobalt, and nickel, preferably including: (I) a catalytically active component containing: at least one kind selected from the group consisting of molybdenum, tungsten, and vanadium; (II) a catalytically active component containing a nitride of at least one kind of transition metal selected from the group consisting of molybdenum, tungsten, vanadium, chromium, manganese, iron, cobalt, and nickel; or (III) a catalytically active component containing at least one kind of iron group metal selected from the group consisting of iron, cobalt, and nickel, and at least one metal oxide, thereby making it possible to effectively decompose ammonia into nitrogen and hydrogen at relatively low temperatures and atType: ApplicationFiled: September 17, 2009Publication date: July 21, 2011Inventors: Junji Okamura, Masaru Kirishiki, Masanori Yoshimune, Hideaki Tsuneki
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Publication number: 20110166012Abstract: In one embodiment, the catalyst assembly includes a two-dimension (2-D) extensive catalyst having a catalyst crystal plane; and a substrate supporting the 2-D extensive catalyst and having a substrate crystal plane in substantial alignment with the catalyst crystal plane. In certain instances, the catalyst crystal plane includes first and second adjacent catalyst atoms defining a catalyst atomic distance, the substrate crystal plane includes first and second adjacent substrate atoms defining a substrate atomic distance, a percent difference between the catalyst and substrate atomic distances is less than 10 percent.Type: ApplicationFiled: October 26, 2010Publication date: July 7, 2011Applicant: FORD GLOBAL TECHNOLOGIES, LLCInventors: Jun Yang, Shinichi Hirano, Richard E. Soltis, Andrew Robert Drews, Andrea Pulskamp, James Waldecker
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Publication number: 20110147317Abstract: Composition production methods are provided that can include providing PdO nanoparticles on a nitrogen-doped titanium oxide surface to form a catalytic mixture. Catalytic compositions and/or bactericides are provided that can include a substrate supporting Ti, O, N, and Pd. Water purification methods are provided that can include exposing an aqueous solution to a composition comprising at least a substrate supporting Ti, O, N, and Pd. Photocatalytic methods are provided that can include: providing a composition comprising one or both of Ti and Pd; exposing the composition to visible radiation to activate the composition; and in the substantial absence of the visible radiation, contacting the composition with an aqueous solution to purify the aqueous solution. Embodiments of the disclosure provide visible light photocatalysts that can demonstrate faster photocatalytic disinfection rates on Escherichia coli (E.Type: ApplicationFiled: August 24, 2009Publication date: June 23, 2011Inventors: Qi Li, Yin Wai Li, Pinggui Wu, Rongcai Xie, Jian ku Shang
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Publication number: 20110143929Abstract: To provide a photocatalyst having high selectivity and carrying out a reductive reaction with light having a longer wavelength. A photocatalyst has a structure in which a semiconductor and a substrate are joined, in which the substrate causes a catalytic reaction by transfer to the substrate of excited electrons, which are generated by applying light to the semiconductor.Type: ApplicationFiled: August 10, 2009Publication date: June 16, 2011Applicant: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHOInventors: Shunsuke Sato, Takeshi Morikawa, Tomiko Mori, Shu Saeki, Tsutomu Kajino, Hiromitsu Tanaka
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Publication number: 20110130272Abstract: The invention relates to a titanate photocatalyst of formula (I): HmAx-mTiyOzDn (I) wherein: A is a cation selected from the group consisting of lithium, sodium, potassium, rubidium, caesium and francium; D is a dopant selected from the group consisting of boron, carbon, nitrogen, fluorine, sulphur, phosphorus and iodine; x is a value between 0 and 8; y is a value greater than 0 and less than or equal to 8; n is a value greater than 0 and less than or equal to 8; z is a value greater than 0 and less than or equal to 8; and m is a value between 0 and 8. The invention also relates to method of production and uses of the titanate photocatalyst.Type: ApplicationFiled: August 15, 2008Publication date: June 2, 2011Inventors: Gao Qing Lu, Lianzhou Wang
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Publication number: 20110124496Abstract: A hydroprocessing bulk catalyst is provided. A process to prepare hydroprocessing bulk catalysts is also provided. The hydroprocessing catalyst has the formula (Rp)i(Mt)a(Lu)b(Sv)d(Cw)e(Hx)f(Oy)g(Nz)h, wherein M is at least at least a “d” block element metal; L is also at least a “d” block element metal, but different from M; 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); R is optional and in one embodiment, R is a lanthanoid element metal; 0<=i<=1; pi+ta+ub+vd+we+xf+yg+zh=0; 0<b; 0<b/a=<5; 0.5(a+b)<=d<=5(a+b); 0<e<=11(a+b); 0<f<=7(a+b); 0<g<=5(a+b); 0<h<=2(a+b). The catalyst has an X-ray powder diffraction pattern with at least three diffractions peak located at 2-? angles of greater than 25°.Type: ApplicationFiled: November 24, 2009Publication date: May 26, 2011Inventors: Oleg Mironov, Alexander E. Kuperman