Copper Containing Patents (Class 502/165)
-
Patent number: 11268048Abstract: The present invention provides granules containing one or more bleaching catalysts selected from the group of manganese salts or manganese complexes and at least one binder selected from the group of acid organic compounds coated with 0.1 to 3% by weight, referring to the total amount of the granules, with a polyvinyl alcohol-containing coating, wherein the coating comprises at least 80% of polyvinyl alcohol or mixtures thereof, in relation to the total weight of the coating.Type: GrantFiled: April 5, 2018Date of Patent: March 8, 2022Assignee: WEYLCHEM WIESBADEN GMBHInventors: Paula Barreleiro, Roman Morschhäuser, Bo Kuhse, Rolf Ludwig
-
Patent number: 11267712Abstract: Methods for preparing selective catalytic metal microstructures and nanostructures having at least one surface ligand. The methods include providing a preliminary metal microstructure or nanostructure having at least one preliminary surface ligand, and replacing the preliminary surface ligand with at least one surface ligand to provide the catalytic metal microstructure or nanostructure.Type: GrantFiled: October 10, 2018Date of Patent: March 8, 2022Assignee: HONDA MOTOR CO., LTD.Inventors: Shutang Chen, Gugang Chen
-
Patent number: 10336681Abstract: The patent discloses a process for the synthesis of dialkyl carbonates catalyzed by a catalyst composition AB oxides, wherein A and B are rare earth metals or A and B are combination of rare earth and transition metals with ratios ranging from 0.5:10 to 10:0.5.Type: GrantFiled: March 23, 2016Date of Patent: July 2, 2019Assignee: Council of Scientific & Industrial ResearchInventors: Vivek Vinayak Ranade, Ashutosh Anant Kelkar, Vilas Hari Rane, Anil Kisan Kinage, Savita Kiran Shingote, Lalita Sanjib Roy
-
Patent number: 10099203Abstract: A method for the preparation of a metal-organic compound is provided. This method comprises the steps of (a) providing at least one metal precursor, (b) providing at least one bridging organic ligand, and (c) exposing together the metal precursor and the ligand to liquid CO2 or supercritical CO2 as a reaction medium, thereby producing said metal-organic compound.Type: GrantFiled: February 22, 2016Date of Patent: October 16, 2018Assignee: THE ROYAL INSTITUTION FOR THE ADVANCEMENT OF LEARNING/MCGILL UNIVERSITYInventors: Tomislav Friscic, Chao-Jun Li, Simon Girard, Cristina Mottillo, Christopher Walter Nickels
-
Patent number: 9035012Abstract: Polyisocyanate-based polymers are formed by curing a reaction mixture containing at least one polyisocyanate and at least one isocyanate-reactive compound having at least two isocyanate-reactive groups in the presence of a copper catalyst that contains at least one copper atom associated with a polydentate ligand that contains at least one nitrogen-containing complexing site.Type: GrantFiled: July 5, 2011Date of Patent: May 19, 2015Assignee: Dow Global Technologies LLCInventors: Richard Keaton, Peter M. Margl, Duane R. Romer, Nathan Wilmot, Rajat Duggal, Rashmi Chamsarkar
-
Patent number: 8835343Abstract: A method of preparing a nitrogen containing electrode catalyst by converting a high surface area metal-organic framework (MOF) material free of platinum group metals that includes a transition metal, an organic ligand, and an organic solvent via a high temperature thermal treatment to form catalytic active sites in the MOF. At least a portion of the contained organic solvent may be replaced with a nitrogen containing organic solvent or an organometallic compound or a transition metal salt to enhance catalytic performance. The electrode catalysts may be used in various electrochemical systems, including a proton exchange membrane fuel cell.Type: GrantFiled: September 27, 2010Date of Patent: September 16, 2014Assignee: UChicago Argonne, LLCInventors: Di-Jia Liu, Shengqian Ma, Gabriel A. Goenaga
-
Publication number: 20140179514Abstract: Flowing supercritical CO2 is used to activate metal organic framework materials (MOF). MOFs are activated directly from N,N-dimethylformamide (DMF) thus avoiding exchange with a volatile solvent. Most MCPs display increased surface areas directly after treatment although those with coordinatively unsaturated metal centers benefit from additional heating.Type: ApplicationFiled: December 23, 2013Publication date: June 26, 2014Inventors: Adam J. Matzger, Baojian Liu, Antek G. Wong-Foy
-
Publication number: 20140011966Abstract: Process for the preparation of an accelerator solution suitable for forming a redox system with peroxides, comprising the steps of heating a liquid formulation comprising a hydroxy-functional solvent and a nitrogen-containing base to a temperature in the range 50-200° C., followed by adding a transition metal salt or complex to said heated formulation.Type: ApplicationFiled: March 21, 2012Publication date: January 9, 2014Applicant: Akzo Nobel Chemicals International B.V.Inventors: Johannes Martinus Gerardus Maria Reijnders, Frederik Willem Karel Koers, Auke Gerardus Talma
-
Publication number: 20140005343Abstract: Accelerator solution suitable for forming a redox system with peroxides, comprising a Cu(I) compound, a transition metal selected from cobalt and titanium, a phosphorous-containing compound, a nitrogen-containing base, and a hydroxy-functional solvent.Type: ApplicationFiled: March 21, 2012Publication date: January 2, 2014Applicant: Akzo Nobel Chemicals International B.V.Inventor: Frederik Willem Karel Koers
-
Publication number: 20140005342Abstract: Accelerator solution suitable for forming a redox system with peroxides, comprising (i) a compound of a first transition metal selected from manganese and copper, (ii) a compound of a second transition metal; the weight ratio of first transition metal:second transition metal being in the range 3:1 to 200:1, (iii) a nitrogen-containing base, and (iv) a hydroxy-functional solvent, with the proviso that the accelerator solution does not contain ascorbic acid.Type: ApplicationFiled: March 21, 2012Publication date: January 2, 2014Inventors: Johannes Martinus Gerardus Maria Reijnders, Frederik Willem Karel Koers, Auke Gerardus Talma
-
Patent number: 8618228Abstract: Process for the preparation of an ethylene copolymer composition having a polydispersity index Mw/Mn of from 3 to 100, comprising a) feeding ethylene to at least one polymerization reactor; b) performing in the at least one polymerization reactor an oligomerization of ethylene in the presence of an oligomerization catalyst component (C) to produce comonomer; c) performing simultaneously in the at least one polymerization reactor polymerization reactions in the presence of catalyst components (A) and (B) producing, respectively, a first and a second polyethylene fraction, wherein the weight average molecular weight Mw of the first polyethylene fraction produced by catalyst component (A) is less than the Mw of the second polyethylene fraction produced by catalyst component (B) and the comonomer incorporation ability of catalyst component (B) is higher than the comonomer incorporation ability of catalyst component (A); and d) withdrawing the ethylene copolymer composition from the polymerization reactor.Type: GrantFiled: January 20, 2011Date of Patent: December 31, 2013Assignee: Basell Polyolefine GmbHInventors: Katrin Schuhen, Lenka Lukesova, Shahram Mihan
-
Patent number: 8586498Abstract: Provide that a useful catalyst for homogeneous hydrogenation, particularly a catalyst for homogeneous asymmetric hydrogenation for hydrogenation, particularly asymmetric hydrogenation, which is obtainable with comparative ease and is excellent in economically and workability, and a process for producing a hydrogenated compound of an unsaturated compound, particularly an optically active compound using said catalyst with a high yield and optical purity.Type: GrantFiled: November 18, 2010Date of Patent: November 19, 2013Assignee: Takasago International CorporationInventors: Hideo Shimizu, Daisuke Igarashi, Wataru Kuriyama, Yukinori Yusa
-
Patent number: 8557726Abstract: The present invention relates to the preparation of highly efficient chiral heterogeneous catalyst for asymmetric nitroaldol reaction, wherein Henry reactions of various aldehydes such as aromatic, aliphatic, ?,?-unsaturated aldehydes, alicyclic aldehydes and nitroalkenes were carried out to produce optically active ?-nitroalcohols in high yield, with moderate to excellent enantioselectivity (ee up to >99%) in presence of a base and an optically active chiral heterogeneous catalyst.Type: GrantFiled: October 11, 2010Date of Patent: October 15, 2013Assignee: Council of Scientific & Industrial ResearchInventors: Sayed H. R. Abdi, Rukhsana I. Kureshy, Noor-Ui H. Khan, Hari C. Bajaj, Vishal J. Mayani, Arpan K. Shah
-
Patent number: 8551436Abstract: The invention concerns in particular a method for purifying an input mixture comprising carbon dioxide (CO<SUB>2</SUB>) and carbon monoxide (CO), to eliminate the carbon monoxide contained in said mixture, which consists in contacting, at a temperature higher than room temperature, the input mixture with a purifying material comprising at least one metal oxide, so as to bring about the reduction of the purifying material by the input mixture, leading to oxidization of at least part of the CO of the input mixture into CO<SUB>2</SUB>. The invention also concerns a gaseous chilling method and installation integrating such a purifying operation.Type: GrantFiled: December 6, 2005Date of Patent: October 8, 2013Assignee: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges ClaudeInventors: Daniel Gary, Florent Chaffotte, Florence Gouhinec, Martina Ridlova
-
Patent number: 8513303Abstract: The present invention provides a method of killing and/or inactivating microbes, the method comprising the step of placing the microbes in contact with a catalyst by means of a fluid medium, wherein the catalyst comprises a solid support, which solid support comprises one or more fibers, and a first metal cation fixed to the support. The fibers are keratinous fibers like wool fibers, or polyacrylonitrile (PAN) fibers. The first metal cation is selected from transition metal copper, silver and gold included. A second non-transition metal cation can be present. The catalyst is prepared by first treating the fibers with hydrazine and/or hydroxylamine salt in presence of a base, the modified fibers are then treated with an aqueous solution of containing the metal cations.Type: GrantFiled: August 22, 2008Date of Patent: August 20, 2013Assignee: De Montfort UniversityInventors: Katherine Huddersman, Susannah Elizabeth Walsh
-
Publication number: 20130211013Abstract: Solution suitable for accelerating the cure of a curable resin using a peroxide, said accelerator solution comprising (i) at least one organic solvent, (ii) a manganese salt, a copper salt, or a combination thereof, and (iii) an iron complex of a tetradentate, pentadentate or hexadentate nitrogen donor ligand.Type: ApplicationFiled: June 14, 2011Publication date: August 15, 2013Applicant: Akzo Nobel Chemicals International B.V.Inventors: Frederik Willem Karel Koers, Johannes Martinus Gerardus Maria Reijnders, Auke Gerardus Talma, Johannes Hermanus Ter Beek
-
Patent number: 8497400Abstract: Provide that a useful catalyst for homogeneous hydrogenation, particularly a catalyst for homogeneous asymmetric hydrogenation for hydrogenation, particularly asymmetric hydrogenation, which is obtainable with comparative ease and is excellent in economically and workability, and a process for producing a hydrogenated compound of an unsaturated compound, particularly an optically active compound using said catalyst with a high yield and optical purity.Type: GrantFiled: February 9, 2010Date of Patent: July 30, 2013Assignee: Takasago International CorporationInventors: Hideo Shimizu, Daisuke Igarashi, Wataru Kuriyama, Yukinori Yusa
-
Patent number: 8481791Abstract: Provide that a useful catalyst for homogeneous hydrogenation, particularly a catalyst for homogeneous asymmetric hydrogenation for hydrogenation, particularly asymmetric hydrogenation, which is obtainable with comparative ease and is excellent in economically and workability, and a process for producing a hydrogenated compound of an unsaturated compound, particularly an optically active compound using said catalyst with a high yield and optical purity.Type: GrantFiled: February 9, 2010Date of Patent: July 9, 2013Assignee: Takasago International CorporationInventors: Hideo Shimizu, Daisuke Igarashi, Wataru Kuriyama, Yukinori Yusa
-
Patent number: 8410011Abstract: The present invention relates to novel methods for preparing fibrous catalysts, to fibrous catalysts, to catalysts systems and to uses of the fibrous catalysts in the treatment of a waste stream. The method comprising the steps of: (i) treating a fabric comprising polyacrylonitrile fibers with a hydrazine salt and a hydroxylamine salt in the presence of a base to provide a modified fabric; (ii) treating the modified fabric with a base; and (iii) treating the modified fabric with an aqueous solution comprising a salt of a transition metal cation and a salt of a non-transition metal cation. The transition metal cation is selected from a scandium, titanium, vanadium, chromium, manganese, iron, cobalt, nickel and copper cation, and mixtures thereof; the non-transition metal cation is selected from a calcium, magnesium, lithium and zinc cation, and mixtures thereof.Type: GrantFiled: February 23, 2007Date of Patent: April 2, 2013Assignee: De Montfort UniversityInventors: Katherine Huddersman, Vera Ischtchenko
-
Publication number: 20120315480Abstract: The present invention relates to thiol- or an amine-associated ferromagnetic or superparamagnetic copper nanoparticles with an average diameter less than 30 nm, to the method for obtaining them and their applications in biomedicine and other fields.Type: ApplicationFiled: July 31, 2009Publication date: December 13, 2012Applicant: UNIVERSIDAD DEL PAIS VASCOInventors: José Javier Saiz Garitaonandia, Eider Goikolea Núñez, Teófilo Rojo Aparicio, Maite Insausti Peña, Fernando Plazaola Muguruza
-
Patent number: 8304550Abstract: Described is a process for preparing diaryl ethers of the formula (I) Ar—O—Ar???(I) In which Ar is an aryl or substituted aryl group and Ar? is an aryl, substituted aryl, heteroaryl or substituted heteroaryl group, by reacting an aryl of formula (II) or a aryloxy salt of formula (III) Ar—OH??(II) Ar—OR??(III) In which Ar has the same meaning as in formula (I) and R is an alkali metal, with an aryl or heteroaryl bromide of formula (IV) Ar?—Br??(IV) In which Ar? has the same meaning as in formula (I), characterized in that the reaction is carried out in the presence of a copper(I)salt and a 1-substituted imidazole as catalyst system.Type: GrantFiled: November 21, 2008Date of Patent: November 6, 2012Assignee: Saltigo GmbHInventors: Alain Cotte, Nikolaus Muller, Matthias Gotta, Matthias Beller, Thomas Schareina, Alexander Zapf
-
Publication number: 20120252662Abstract: The invention relates to nitrogen-doped carbon nanotubes (NCNT), the surface of which is charged with metal nanoparticles, and to a method for the production thereof and use thereof as a catalyst.Type: ApplicationFiled: December 14, 2010Publication date: October 4, 2012Applicant: BAYER INTELLECTUAL PROPERTY GMBHInventors: Jens Assmann, Aurel Wolf, Leslaw Mleczko, Oliver Felix-Karl Schlueter
-
Publication number: 20120077667Abstract: A method of preparing a nitrogen containing electrode catalyst by converting a high surface area metal-organic framework (MOF) material free of platinum group metals that includes a transition metal, an organic ligand, and an organic solvent via a high temperature thermal treatment to form catalytic active sites in the MOF. At least a portion of the contained organic solvent may be replaced with a nitrogen containing organic solvent or an organometallic compound or a transition metal salt to enhance catalytic performance. The electrode catalysts may be used in various electrochemical systems, including a proton exchange membrane fuel cell.Type: ApplicationFiled: September 27, 2010Publication date: March 29, 2012Inventors: Di-Jia LIU, Shengqian Ma, Gabriel A. Goenaga
-
Publication number: 20120022252Abstract: The disclosure is directed to: (a) phosphacycle ligands; (b) methods of using such phosphacycle ligands in bond forming reactions; and (c) methods of preparing phosphacycle ligands.Type: ApplicationFiled: July 15, 2011Publication date: January 26, 2012Applicant: ABBOTT LABORATORIESInventors: Shashank Shekhar, Thaddeus S. Franczyk, David M. Barnes, Travis B. Dunn, Anthony R. Haight, Vincent S. Chan
-
Publication number: 20110143925Abstract: Catalytic systems and methods for oxidizing materials in the presence of metal catalysts (preferably manganese-containing catalysts) complexed with selected macropolycyclic rigid ligands, preferably cross-bridged macropolycyclic ligands. Included are using these metal catalysts in such processes as: synthetic organic oxidation reactions such as oxidation of organic functional groups, hydrocarbons, and heteroatoms, including enantiomeric epoxidation of alkenes, enynes, sulfides to sulfones and the like; oxidation of oxidizable compounds (e.g., stains) on surfaces such as fabrics, dishes, countertops, dentures and the like; oxidation of oxidizable compounds in solution, dye transfer inhibition in the laundering of fabrics; and further in the bleaching of pulp and paper products.Type: ApplicationFiled: February 22, 2011Publication date: June 16, 2011Inventors: Daryle Hadley Busch, Simon Robert Collinson, Timothy Jay Hubin
-
Publication number: 20110143913Abstract: According to one aspect of the present invention, there is provided a catalyst assembly. In one embodiment, the catalyst assembly includes a two-dimension (2-D) extensive catalyst including one or more precious catalytic metals and having a catalyst crystal plane; and a substrate supporting the 2-D extensive catalyst, the substrate including one or more non-precious catalytic metals and having a substrate crystal plane in substantial alignment with the catalyst crystal plane.Type: ApplicationFiled: October 26, 2010Publication date: June 16, 2011Applicant: FORD GLOBAL TECHNOLOGIES, LLCInventors: Jun Yang, Shinichi Hirano, Richard E. Soltis, Andrew Robert Drews, Andrea Pulskamp, James Waldecker
-
Publication number: 20110136036Abstract: The present invention is made to provide a carbon catalyst which has high catalytic activity and can achieve high catalyst performance. A carbon catalyst has nitrogen introduced therein. The value of energy peak area ratio of a first nitrogen atom whose electron in the is orbital has a binding energy of 398.5±1.0 eV to a second nitrogen atom whose electron in the is orbital has a binding energy of 401±1.0 eV (i.e., the value of (the first nitrogen atom)/(the second nitrogen atom)) of the introduced nitrogen is 1.2 or less.Type: ApplicationFiled: June 4, 2009Publication date: June 9, 2011Applicants: NATIONAL UNIVERSITY CORPORATION GUNMA UNIVERSITY, NISSHINBO HOLDINGS INC., SEIZO MIYATA, MASAHARU OSHIMAInventors: Seizo Miyata, Masaharu Oshima, Jun-ichi Ozaki, Kazuo Saito, Shogo Moriya, Kyosuke Iida, Takeaki Kishimoto
-
Publication number: 20110065929Abstract: Provide that a useful catalyst for homogeneous hydrogenation, particularly a catalyst for homogeneous asymmetric hydrogenation for hydrogenation, particularly asymmetric hydrogenation, which is obtainable with comparative ease and is excellent in economically and workability, and a process for producing a hydrogenated compound of an unsaturated compound, particularly an optically active compound using said catalyst with a high yield and optical purity.Type: ApplicationFiled: November 18, 2010Publication date: March 17, 2011Applicant: TAKASAGO INTERNATIONAL CORPORATIONInventors: Hideo SHIMIZU, Daisuke IGARASHI, Wataru KURIYAMA, Yukinori YUSA
-
Publication number: 20100267602Abstract: The present invention provides an oxidation catalyst for bleaching containing a component (a) which is an anion caused from a chelating agent having less than or equal to coordination position 5 and/or the chelating agent, and a component (b) which is a copper and/or manganese compound; and a binder compound (c); a hydrogen peroxide-based compound (d) which dissolves in water and generates hydrogen peroxide, the bleaching composition containing a granulated product or a molded product in which at least the component (b) and the component (c) are granulated or molded together. According to the invention, an oxidation catalyst that promotes the oxidation effect of hydrogen peroxide-based compounds with a trace amount of the composition, and has excellent effects of suppressing the decomposition of hydrogen peroxide-based compounds and suppressing coloration of the catalyst itself, and a bleaching composition containing the oxidation catalyst can be utilized.Type: ApplicationFiled: December 18, 2008Publication date: October 21, 2010Applicant: LION CORPORATIONInventors: Takayasu Kubozono, Tomonari Suekuni, Yosuke Kono, Yukiko Iwasa, Hideyuki Kaneda, Yukihiro Dannoue, Hiroaki Hara, Yasushi Hirata
-
Patent number: 7799724Abstract: The present invention discloses a method for preparing hollow beads of polyethylene of controlled morphology and size.Type: GrantFiled: April 7, 2004Date of Patent: September 21, 2010Assignee: Total Petrochemicals Research FeluyInventors: Olivier Lavastre, Laurent Gallard
-
Patent number: 7718564Abstract: The present invention is related to a hydrocarbon oxidation process. The process comprises bringing one or more hydrocarbons into contact with a source of oxygen in the presence of a radical initiator and a catalyst. The catalyst comprises an organic metal complex located on a catalyst support, and is obtained by partial decomposition of the organic metal complex. For example, the process can be used to produce dimethyl carbonate from dimethoxy methane. The invention is also related to a partially decomposed catalyst that comprises a silica support and an organic metal complex, wherein at least 5% of the organic compound remains in the catalyst. The organic metal complex comprises an organic compound and a metal-based compound wherein the metal is selected from copper, nickel, and combinations thereof.Type: GrantFiled: May 16, 2006Date of Patent: May 18, 2010Assignee: ExxonMobil Research and Engineering CompanyInventors: Jihad Mohammed Dakka, Sabato Miseo, Stuart Leon Soled, Jose Guadalupe Santiesteban, Joseph Ernest Baumgartner, Michiel Christian Alexander Van Vliet, Roger Arthur Sheldon
-
Publication number: 20100041545Abstract: Catalytic systems and methods for oxidizing materials in the presence of metal catalysts (preferably manganese-containing catalysts) complexed with selected macropolycyclic rigid ligands, preferably cross-bridged macropolycyclic ligands. Included are using these metal catalysts in such processes as: synthetic organic oxidation reactions such as oxidation of organic functional groups, hydrocarbons, and heteroatoms, including enantiomeric epoxidation of alkenes, enynes, sulfides to sulfones and the like; oxidation of oxidizable compounds (e.g., stains) on surfaces such as fabrics, dishes, countertops, dentures and the like; oxidation of oxidizable compounds in solution, dye transfer inhibition in the laundering of fabrics; and further in the bleaching of pulp and paper products.Type: ApplicationFiled: October 22, 2009Publication date: February 18, 2010Inventors: Daryle Hadley Busch, Simon Robert Collinson, Timothy Jay Hubin
-
Publication number: 20100029974Abstract: A catalytic system for an oxidative carbonylation reaction is provided, which includes a metal organohalogen catalyst, at least one organic nitrogen-containing heterocyclic adjuvant, and an inorganic co-catalyst, wherein the inorganic co-catalyst is selected from carboxylates, nitrates, halides, oxides, and complexes of lead, lanthanum, titanium, tungsten, and dysprosium. The process for producing a dialkyl carbonate by performing a liquid-phase oxidative carbonylation reaction of an alcohol in the presence of the catalytic system is significantly improved, and the conversion and selectivity of the catalytic reaction are increased.Type: ApplicationFiled: December 4, 2008Publication date: February 4, 2010Applicant: China Petrochemical Development CorporationInventors: Chih-Wei Chang, Chia-Jung Tsai, Ying-Tien Chen
-
Publication number: 20090269269Abstract: The disclosed subject matter provides a copper oxide nanoparticle, a catalyst that includes the copper oxide nanoparticle, and methods of manufacturing and using the same. The catalyst can be used to catalyze a chemical reaction (e.g., oxidizing carbon monoxide (CO) to carbon dioxide (CO2)).Type: ApplicationFiled: October 14, 2008Publication date: October 29, 2009Applicant: The Trustees of Columbia University in City of New YorkInventors: Brian Edward White, Stephen O'Brien
-
Publication number: 20090162424Abstract: According to some embodiments, the present invention provides compositions and methods for making and using multifunctional polymerized liposomes finding relevant application in medical sciences, particularly in bioimaging, diagnostics, drug delivery, and drug formulation. The compositions and methods involve lipids that are both polymerizable and have a “clickable” group that provides the ability to functionalize via a click reaction with various functional moieties useful for the above-listed applications.Type: ApplicationFiled: August 14, 2008Publication date: June 25, 2009Inventors: Chengzhi Cai, Guoting Qin, Amit Kumar
-
Publication number: 20090143594Abstract: Described is a process for preparing diaryl ethers of the formula (I) Ar—O—Ar???(I) In which Ar is an aryl or substituted aryl group and Ar? is an aryl, substituted aryl, heteroaryl or substituted heteroaryl group, by reacting an aryl of formula (II) or a aryloxy salt of formula (III) Ar—OH ??(II) Ar—OR ??(III) In which Ar has the same meaning as in formula (I) and R is an alkali metal, with an aryl or heteroaryl bromide of formula (IV) Ar?—Br ??(IV) In which Ar? has the same meaning as in formula (I), characterized in that the reaction is carried out in the presence of a copper(I)salt and a 1-substituted imidazole as catalyst system.Type: ApplicationFiled: November 21, 2008Publication date: June 4, 2009Applicant: SALTIGO GMBHInventors: Alain Cotte, Nikolaus Muller, Matthias Gotta, Matthias Beller, Thomas Schareina, Alexander Zapf
-
Patent number: 7501374Abstract: A process for upgrading a diesel fuel, includes the steps of providing a diesel fuel feedstock; hydrogenating the feedstock at a pressure of less than about 600 psig so as to provide a hydrogenated product wherein a portion of the feedstock is converted to alkyl-naphthene-aromatic compounds; and selectively oxidizing the hydrogenated product in the presence of a catalyst so as to convert the alkyl-naphthene-aromatic compounds to alkyl ketones. A catalyst and oxygen-containing Diesel fuel are also provided.Type: GrantFiled: August 7, 2007Date of Patent: March 10, 2009Assignee: Intevep, S.A.Inventor: Roberto Galiasso
-
Publication number: 20090062110Abstract: A polynuclear metal complex having in each molecule not only at least one large cyclic ligand having 5 to 15 coordinating atoms but also multiple metal atoms is subjected to any of heating treatment, radiation exposure treatment and electric discharge treatment, thereby providing a polynuclear metal complex exhibiting a ratio of weight loss by the treatment of 5 to 90 wt. % and a carbon content after the treatment of 5 wt. % or more.Type: ApplicationFiled: January 1, 2007Publication date: March 5, 2009Applicant: Sumitomo Chemical company LimitedInventors: Nobuyoshi Koshino, Takeshi Ishiyama, Tadafumi Matsunaga, Hideyuki Higashimura
-
Publication number: 20080214387Abstract: Process for modifying catalysts via the deposition of carbon containing residues in the presence of one or more solvents, where the gas phase over the catalyst treatment solution during the treatment is air or an inert gas, and/or the liquid phase contains a templating agent and/or base. The modified catalyst can be used for stereo-, chemo- and regioselective transformations of organic compounds.Type: ApplicationFiled: November 12, 2004Publication date: September 4, 2008Inventors: Daniel Ostgard, Virginie Duprez, Roberta Olindo, Stefan Roder, Monika Berweiler
-
Publication number: 20080177114Abstract: The invention relates to a method for decarboxylating C—C bond formation by reacting carboxylic salts with carbon electrophiles in the presence of transition metal compounds as catalysts. The method represents a decarboxylating C—C bond formation of carboxylic acid salts with carbon electrophiles, wherein the catalyst contains two transition metals and/or transition metal compounds, from which one is present, preferably, in the oxidation step, which are different from each other by one unit, and catalyzes a radical decarboxylation which is absorbed during the second oxidation steps, which are different from each other by two units and catalyzes the two electron processes of a C—C bond formation reaction.Type: ApplicationFiled: May 10, 2006Publication date: July 24, 2008Applicant: STUDIENGESELLSCHAFT KOHLE MBHInventors: Lukas Goossen, Guojun Deng
-
Patent number: 7217675Abstract: This invention relates to transition metal catalyst compounds represented by the formula: LMX2 wherein M is a Group 7 to 11 metal; L is a tridentate or tetradentate neutrally charged ligand that is bonded to M by least three or four nitrogen atoms, and at least one terminal nitrogen atom is part of a pyridinyl ring, a different terminal nitrogen atom is substituted with one C3–C50 hydrocarbyl, and one hydrogen atom or two hydrocarbyls; wherein at least one hydrocarbyl is a C3–C50 hydrocarbyl, and the central nitrogen atom is bonded to at least three different carbon atoms or two different carbon atoms, and one hydrogen atom; X is independently a monoanionic ligand or both X are joined together to form a bidentate dianionic ligand.Type: GrantFiled: March 17, 2004Date of Patent: May 15, 2007Assignee: ExxonMobil Chemical Patents Inc.Inventors: Gregory Adam Solan, Christopher James Davies
-
Patent number: 7176158Abstract: Copolymerization of Ni(H) or Co(II) acenaphthene diimine complexes containing olefinic substituents on aryl groups in the presence of a free radical initiator results in polymerized late transition metal catalysts which can be used for olefin polymerization or oligomerization. These catalysts have high catalyst activity for olefin polymerization or oligomerization.Type: GrantFiled: October 24, 2003Date of Patent: February 13, 2007Assignee: ExxonMobil Chemical Patents Inc.Inventors: Stanley Wai-Yan Chow, Guo-Xin Jin, Zerong Lin, Robert J. Wittenbrink, Dao Zhang
-
Patent number: 7144839Abstract: A transition metal complex having the following Formula (A): wherein the monovalent groups R1 and R2 are —Ra, —ORb, —NRcRd, and —NHRe; the monovalent groups Ra, Rb, Rc, Rd and Re, and the divalent group R3 are (i) aliphatic hydrocarbon, (ii) alicyclic hydrocarbon, (iii) aromatic hydrocarbon, (iv) alkyl substituted aromatic hydrocarbon (v) heterocyclic groups and (vi) heterosubstituted derivatives of said groups (i) to (v); M is a Group (3) to (11) or lanthanide metal; E is phosphorus or arsenic; X is an anionic group, L is a neutral donor group; n is (1) or (2), y and z are independently zero or integers, such that the number of X and L groups satisfy the valency and oxidation state of the metal M. n is preferably (2) and the two resulting R1 groups are preferably linked.Type: GrantFiled: March 18, 2004Date of Patent: December 5, 2006Assignee: Innovene Europe LimitedInventors: Vernon Charles Gibson, Grant Berent Jacobsen, David John Jones, Richard James Long
-
Patent number: 7141687Abstract: The invention relates to N?-substituted N-acylamidine transition metal complexes of the general formula (I), wherein M represents a transition metal, selected from the group of metals including Ni, Cu, Ru, Rh, Pd, Os, Ir and Pt, X represents Cl, Br, triflate, methane sulfonate or p-toluol sulfonate, m is 0, 1 or 2, n is 1, 2 or 3 and the radicals have the following meanings: R1, R2 is a straight-chain or branched, cyclic hydrocarbon group with 1 to 20 carbon atoms which can be mono or poly-unsaturated, an aromatic group with 3 to 6 chain members, which is linked directly or via a C1 to C6 alkyl or C2 to C6 alkylene group, whereby the mentioned groups can carry one or more substituents. Ar represents C6 to C10 aryl or hetaryl with 5 to 10 ring members, whereby the mentioned groups can be substituted by C1 to C6 alkyl, C1 to C4 halogenalkyl, NR10R11, COOR6, Si(R7)3Si(R7)2R8, OR3 and/or halogen.Type: GrantFiled: November 28, 2003Date of Patent: November 28, 2006Assignee: BASF AktiengesellschaftInventors: Jan Kurt Eberhardt, Ernst-Ulrich Würthwein
-
Patent number: 7112697Abstract: A mild, palladium-free synthetic protocol for the cross-coupling reaction of vinyl or aryl iodides and thiols or selenols using, in certain embodiments, 10 mol % CuI and 10 mol % neocuproine, with NaOt-Bu as the base, in toluene at 110 ° C. A variety of vinyl/aryl sulfides and vinyl/aryl selenides can be synthesized in excellent yields from readily available iodides and thiols or selenols.Type: GrantFiled: July 12, 2004Date of Patent: September 26, 2006Assignee: University of MassachusettsInventors: Dhandapani Venkataraman, Craig G. Bates, Rattan K. Gujadhur
-
Patent number: 7060781Abstract: A 2,6-dimethylphenol composition having an m-cresol content of from 15 to 700 ppm on a weight basis has effects of drastically improving polymerization activity and particularly, improving the color tone of polyphenylene ethers. Therefore, the composition makes it possible to provide a preparation process having improved productivity, and at the same time, provide polyphenylene ethers having good quality.Type: GrantFiled: August 6, 2002Date of Patent: June 13, 2006Assignee: Asahi Kasei Chemicals CorporationInventors: Akira Mitsui, Osamu Shoji, Hitoshi Ota
-
Patent number: 6903043Abstract: The present invention relates to chiral salen catalysts and a process for preparing chiral compounds from racemic epoxides by using them. More particularly, the present invention is to provide a chiral polymeric salen catalyst and its use for producing chiral compounds such as chiral epoxides and chiral 1,2-diols economically in high yield and high optical purity by performing stereoselective hydrolysis or racemic epoxides.Type: GrantFiled: December 7, 2001Date of Patent: June 7, 2005Assignee: Rstech Co., Ltd.Inventors: Geon-Joong Kim, Dae-Woon Park, Ho Seong Lee, Seong Jin Kim
-
Patent number: 6878665Abstract: The invention relates to novel diphosphines, in optically pure or racemic form, of formula (I): in which: R1 and R2 are a (C5-C7)cycloalkyl group, an optionally substituted phenyl group or a 5-membered heteroaryl group; and A is (CH2—CH2) or CF2. The invention further relates to the use of a compound of formula (I) as a ligand for the preparation of a metal complex useful as a chiral catalyst in asymmetric catalysis, and to the chiral metal catalysts comprising at least one ligand of formula (I).Type: GrantFiled: September 16, 2002Date of Patent: April 12, 2005Assignee: SynkemInventors: Sébastien Duprat de Paule, Nicolas Champion, Virginie Vidal, Jean-Pierre Genet, Philippe Dellis
-
Patent number: 6858559Abstract: Disclosed is an asymmetric copper catalyst composition comprising, as components, (a) an optically active bisoxazoline compound of formula (1): wherein R1 and R2 are different and each represents a hydrogen atom, an alkyl group, a cycloalkyl group, or a phenyl or aralkyl group which may be substituted, R3 and R4 each represents a hydrogen atom, an alkyl group, a cycloalkyl group, or a phenyl or aralkyl group which may be substituted, or R3 and R4 may be bonded to each other to form a C3-5 cyclic alkylene group, R5 represents a hydrogen atom or a C1-6 alkyl group, or the two R5 groups may be bonded to each other to represent a C3-5 cyclic alkylene group, (b) a monovalent or divalent copper compound, and (c) a strong acid or a Lewis acid or a mixture thereof, and a process for producing an optically active cyclopropanecarboxylate using the same.Type: GrantFiled: April 24, 2002Date of Patent: February 22, 2005Assignee: Sumitomo Chemical Company, LimitedInventors: Michio Yamamoto, Gohfu Suzukamo, Makoto Itagaki
-
Patent number: 6750171Abstract: P-chiral bisphospholane ligands and methods for their preparation are described. Use of metal/P-chiral bisphospholane complexes to catalyze asymmetric transformation reactions to provide high enantiomeric excesses of formed compounds is also described.Type: GrantFiled: April 18, 2003Date of Patent: June 15, 2004Assignee: Warner-Lambert Company LLCInventors: Garrett Stewart Hoge, II, Om Prakash Goel