Organic Sulfur Compound Patents (Class 502/168)
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Patent number: 8372266Abstract: Systems and methods for hydroprocessing a heavy oil feedstock, the system employs a plurality of contacting zones and separation zones and an interstage solvent deasphalting unit. The contacting zones operate under hydrocracking conditions, employing a slurry catalyst for upgrading the heavy oil feedstock, forming upgraded products of lower boiling hydrocarbons. In the separation zones which operates at a temperature within 20° F. and a pressure within 10 psi of the pressure in the contacting zones, upgraded products are removed overhead and optionally, further treated in an in-line hydrotreater. At least a portion of the non-volatile fractions recovered from at least one of the separation zones is sent to the interstage solvent deasphalting unit, for separating unconverted heavy oil feedstock into deasphalted oil and asphaltenes. The deasphalted oil stream is sent to one of the contacting zones for further upgrade.Type: GrantFiled: September 18, 2008Date of Patent: February 12, 2013Assignee: Chevron U.S.A. Inc.Inventors: Goutam Biswas, Darush Farshid
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Patent number: 8372776Abstract: 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: GrantFiled: November 24, 2009Date of Patent: February 12, 2013Assignee: Chevron U.S.A. Inc.Inventors: Oleg Mironov, Alexander E. Kuperman
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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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Patent number: 8329610Abstract: The present invention relates to a hydrogenation catalyst composition, process for preparing the same and use thereof. The composition comprises a hydrogenation catalyst, an organonitrogen compound in an amount of 0.01%-20% by weight of the catalyst, a sulfiding agent in an amount of 30%-150% by weight of the sulfur-requiring amount calculated theoretically of the hydrogenation catalyst, and an organic solvent in an amount of 0.1%-50% by weight of the catalyst. The preparation process comprises introducing the required substances onto the hydrogenation catalyst in oxidation state. By introduction of the organonitrogen compound, sulfur and organic solvent, the hydrogenation catalyst composition of the present invention may further increase the sulfur-maintaining ratio of the catalyst during the activation, slow down the concentrative exothermic phenomenon, decrease the rate of temperature rise of the catalyst bed layer, and improve the activity of the catalyst.Type: GrantFiled: November 14, 2006Date of Patent: December 11, 2012Assignees: China Petroleum & Chemical Corporation, Fushun Research Institute of Petroleum and Petrochemicals, Sinopec Corp.Inventors: Yulan Gao, Xiangchen Fang, Gang Wang, Fenglan Cao, Chonghui Li, Guang Chen
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Patent number: 8318628Abstract: The invention relates to a catalyst for hydroconversion of hydrocarbons, comprising a support made from at least one refractory oxide, at least one group VIII metal and at least one group VIB metal, characterized in further comprising at least one organic compound with at least two thiol functions separated by at least one oxygenated group of formula (I): HS—CxHyOz—SH (I), where x=1 to 20, preferably 2 to 9 and for example x=6, y=2 to 60, preferably 4 to 12 and z=1 to 10, preferably 1 to 6. The invention further relates to a method for preparation, a method for activation of said catalyst and use of the catalyst for the hydrotreatment and/or hydrocracking of hydrocarbons.Type: GrantFiled: December 14, 2007Date of Patent: November 27, 2012Assignees: Total Raffinage Marketing, IFP Energies nouvellesInventors: Claude Brun, Thierry Cholley, Carole Dupuy, Georges Fremy, Francis Humblot
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Publication number: 20120283089Abstract: The present invention relates to a Ziegler-Natta catalyst, and more specifically to a Ziegler-Natta catalyst for olefin polymerization which may use a compound of Formula 3 as an internal electron donor to obtain polymers with high activity, wide molecular weight distribution and low content of fine particle.Type: ApplicationFiled: December 29, 2010Publication date: November 8, 2012Applicant: HYOSUNG CORPORATIONInventors: Ki Chul Son, Hyoung Lim Koh, Jin Kyu Ahn, Sang Hoon Lee
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Patent number: 8304134Abstract: The present invention provides a polymer electrolyte composition comprising a polymer electrolyte (A component) having an ion exchange capacity of from 0.5 to 3.0 meq/g, a compound (B component) having a thioether group and a compound (C component) having an azole ring, wherein a mass ratio (B/C) of the B component to the C component is 1/99 to 99/1, and a total content of the B component and C component is 0.01 to 50% by mass based on the solid content in the polymer electrolyte composition.Type: GrantFiled: February 21, 2008Date of Patent: November 6, 2012Assignee: Asahi Kasei E-materials CorporationInventors: Naoto Miyake, Yuichi Inoue
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Patent number: 8293137Abstract: A solid acid catalyst having a strong acid cation exchange resin having a cross-linking network structure and free aromatic sulfonic acids adsorbed in the network. The solid acid catalyst is prepared by treating a strong acid cation exchange resin with aromatic sulfonic acids in a solution. The catalyst is useful for synthesizing rubber antioxidant RD and other strong-acid catalyzed reactions.Type: GrantFiled: November 10, 2010Date of Patent: October 23, 2012Assignee: Jiangsu Sinorgchem Technology Co., Ltd.Inventor: Xinmin Chen
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Patent number: 8283278Abstract: The present invention relates to a process for sulfurizing a hydrocarbon treatment catalyst, comprising: at least a first step of depositing, on the surface of the catalyst, one or more sulfurization auxiliaries of formula (I): and at least a second step of placing the catalyst in contact with a sulfur-containing gaseous mixture containing hydrogen and a sulfur compound.Type: GrantFiled: September 10, 2010Date of Patent: October 9, 2012Assignee: Eurecat S.A.Inventors: Pierre Dufresne, Eric Nagy, Pauline Galliou
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Patent number: 8273678Abstract: The reaction product of the reaction product of A.) a ligand of the formula (I), wherein R1, R2, R3, and R4 in each occurrence independently are the same or different hydrocarbyl substituents of 1 to 20 carbon atoms, hydrogen, halogen, or alkoxy groups of 1 to 8 carbon atoms; X in each occurrence independently is CR6 with R6 being hydrogen or an alkyl group of 1 to 8 carbon atoms; and R5 is an organic divalent group of 4 to 40 carbon atoms with the proviso that the two nodes X are not bound to the same atom or to vicinal atoms in the group R5; B.) an aluminum compound of the formula AlR7R8R9, wherein R7, R8 and R9 each independently is a C1 to C12 hydrocarbyl group, hydrogen, halogen, or an alkoxy group of 1 to 20 carbon atoms; and C.) a Lewis base selected from the group consisting of amines, phosphines, amides, nitriles, isonitriles, and alcohols is useful as a polymerization catalyst, particularly for the homopolymerization or copolymerization of an alkylene oxide.Type: GrantFiled: February 28, 2008Date of Patent: September 25, 2012Assignee: Dow Global Technologies LLCInventors: Eric P. Wasserman, Yang Cheng, Lihao Tang
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Publication number: 20120238440Abstract: This invention provides novel fuel cell electrodes and catalysts comprising a series of catalytically active thin-film metal alloys with low platinum concentration supported on nanostructured materials (nanoparticles). Processing of the electrodes and catalysts can include electrodeposition methods, and high-pressure coating techniques. In certain embodiments, an integrated gas-diffusion/electrode/catalyst layer can be prepared by processing catalyst thin films and nanoparticles into gas-diffusion media such as Toray or SGL carbon fiber papers. The catalysts can be placed in contact with an electrolyte membrane for PEM fuel cell applications.Type: ApplicationFiled: May 30, 2012Publication date: September 20, 2012Applicant: Intematix CorporationInventors: Tao Gu, Thomas R. Omstead, Ning Wang, Yi Dong, Yi-Qun Li
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Patent number: 8263521Abstract: The present invention provides a process for producing bisphenol A by reacting phenol with actone, wherein reaction is performed at higher temperatures while maintaining high selectivity, and thus high productivity is obtained. The invention relates to a cation-exchange resin, wherein a cation-exchange group is introduced into a syndiotactic polystyrene polymer and the amount of acid is 0.8 milliequivalent/g or more, to a catalyst comprising the cation-exchange resin, and to a process for producing bisphenol A using a cation-exchange resin catalyst.Type: GrantFiled: December 29, 2010Date of Patent: September 11, 2012Assignee: Mitsui Chemicals, Inc.Inventors: Takashi Terajima, Yuko Maruyama, Toshihiro Takai, Kenji Fujiwara
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Publication number: 20120225832Abstract: The invention relates to amphiphilic C-glycoside derivatives, to methods of using them and to processes for synthesizing them. Specifically, the invention relates to novel cyclic and linear enone-glycolipids and cyclic ketone-glycolipids.Type: ApplicationFiled: November 8, 2010Publication date: September 6, 2012Applicant: Yale UniversityInventors: Patrick Foley, Paul Anastas, Toby Sommer
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Publication number: 20120220685Abstract: The present invention provides a photolatent Ti-chelate catalyst formulation, comprising (i) at least one compound of the formula (I) wherein R1 is C1-C20alkyl or C2-C20alkyl which is interrupted by one or more non-consecutive O-atoms; Y is formula (II) or optionally substituted phenyl; Y1 is formula (III) or optionally substituted phenyl; Y2 is formula (IV) or optionally substituted phenyl; Y3 is formula (V) or optionally substituted phenyl; R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12 and R13 independently of each other are hydrogen, halogen, optionally substituted C1-C20alkyl, or R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12 and R13 independently of each other are optionally substituted C6-C14aryl, provided that only one of R2, R3, R4 is hydrogen and only one of R5, R6, R7 is hydrogen and only one of R8, R9, R10 is hydrogen and only one of R11, R12, R13 is hydrogen; and (ii) at least one chelate ligand compound of the formula IIa, IIb or IIc, wherein Y? is formula (VI) or formula (VII); Y?1 is formula (VIType: ApplicationFiled: September 9, 2010Publication date: August 30, 2012Applicant: BASF SEInventors: Tobias Hintermann, Didier Bauer, Antoine Carroy, Caroline Lordelot, Rachel Kohli Steck
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Patent number: 8252712Abstract: An ink composition for forming a fuel cell electrode includes a catalyst composition, a polymeric binder, a polymeric dispersant, and a solvent. The polymeric dispersant includes a perfluorocyclobutyl-containing polymer.Type: GrantFiled: November 13, 2009Date of Patent: August 28, 2012Assignee: GM Global Technology Operations LLCInventors: Roland J. Koestner, Sean M Mackinnon, Timothy J. Fuller, Jeanette E. Owejan
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Patent number: 8242041Abstract: The invention includes a method for impregnating a molecular sieve primary catalyst with an aromatic co-catalyst, the method comprising contacting the small pore molecular sieve primary catalyst having a porous framework structure with a combination of from at least 50 wt % to about 99.9 wt % of an aromatic co-catalyst and from about 0.1 wt % to less than 50 wt % of a polar impregnation agent containing one or more heteroatoms selected from the group consisting of nitrogen, oxygen, sulfur, phosphorus, and boron, under conditions sufficient to impregnate the porous framework structure of the primary catalyst with the aromatic co-catalyst (and optionally also with the polar impregnation agent), thus forming an integrated catalyst system. Methods for converting oxygenates to olefins using said integrated catalyst system are also described herein.Type: GrantFiled: January 12, 2009Date of Patent: August 14, 2012Assignee: ExxonMobil Chemical Patents Inc.Inventors: Stephen H. Brown, Guang Cao, Teng Xu
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Patent number: 8236207Abstract: Compositions, and methods of making thereof, comprising from about 1% to about 5% of a perfluorinated sulfonic acid ionomer or a hydrocarbon-based ionomer; and from about 95% to about 99% of a solvent, said solvent consisting essentially of a polyol; wherein said composition is substantially free of water and wherein said ionomer is uniformly dispersed in said solvent.Type: GrantFiled: November 2, 2010Date of Patent: August 7, 2012Assignee: Los Alamos National Security, LLCInventors: Yu Seung Kim, Kwan-Soo Lee, Tommy Q. T. Rockward
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Publication number: 20120172201Abstract: A process for preparing a slurry catalyst is provided. The slurry catalyst is prepared from at least a Group VIB metal precursor and optionally at least a Promoter metal precursor selected from Group VIII, Group IIB, Group IIA, Group IVA metals and combinations thereof. The slurry catalyst comprises a plurality of dispersed particles in a hydrocarbon medium having an average particle size ranging from 1 to 300 nm. The slurry catalyst is then mixed with a hydrogen feed at a pressure from 1435 psig (10 MPa) to 3610 psig (25 MPa) and a temperature from 200-800° F. at 500 to 15,000 scf hydrogen per bbl of slurry catalyst for a minute to 20 hours, for the slurry catalyst to be saturated with hydrogen providing an increase of k-values in terms of HDS, HDN, and HDMCR of at least 15% compared to a slurry catalyst that is not saturated with hydrogen.Type: ApplicationFiled: December 20, 2011Publication date: July 5, 2012Applicant: c/o Chevron CorporationInventors: Shuwu Yang, Bruce Edward Reynolds, Julie Chabot, Bo Kou
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Publication number: 20120172203Abstract: An improved process for preparing a slurry catalyst for the upgrade of heavy oil feedstock is provided. In the process, high shear mixing is employed to generate an emulsion containing droplets of metal precursor in oil with droplet sizes ranging from 0.1 to 300 ?m. The emulsion is subsequently sulfided with a sulfiding agent, or in-situ in a heavy oil feedstock to form a slurry catalyst. The in-situ sulfidation in heavy oil is under sufficient condition for the heavy oil feedstock to generate the sulfiding source needed for the sulfidation.Type: ApplicationFiled: December 20, 2011Publication date: July 5, 2012Inventors: Oleg Mironov, Alexander E. Kuperman, Juli Chabot, Shuwu Yang, Joseph V. Nguyen, Ling Jiao, Bruce Edward Reynolds, Axel Brait, Kenneth Kwik, Modinat Kotun
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Publication number: 20120172204Abstract: An improved hydroprocessing slurry catalyst is provided for the upgrade of heavy oil feedstock. The catalyst comprises dispersed particles in a hydrocarbon medium with the dispersed particles have an average particle size ranging from 1 to 300 ?m. The catalyst has a total pore volume of at least 0.5 cc/g and a polymodal pore distribution with at least 80% of pore sizes in the range of 5 to 2,000 Angstroms in diameter. The catalyst is prepared from sulfiding and dispersing a metal precursor solution in a hydrocarbon diluent, the metal precursor comprising at least a Primary metal precursor and optionally a Promoter metal precursor, the metal precursor solution having a pH of at least 4 and a concentration of less than 10 wt. % of Primary metal in solution.Type: ApplicationFiled: December 20, 2011Publication date: July 5, 2012Inventors: Ling Jiao, Julie Chabot, Joseph V. Nguyen, Christopher Paul Dunckley, Shuwu Yang, Erin P. Maris, Oleg Mironov, Bruce Edward Reynolds, Alexander E. Kuperman
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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: 20120172205Abstract: An improved hydroprocessing slurry catalyst is provided for the upgrade of heavy oil feedstock. The slurry catalyst is prepared from at least a Group VIB metal precursor compound and optionally at least a Promoter metal precursor compound. The catalyst comprises dispersed particles in a hydrocarbon medium with the dispersed particles have an average particle size ranging from 1 to 300 ?m. The catalyst has a total surface area of at least 100 m2/g. The catalyst is prepared from sulfiding and dispersing a metal precursor solution in a hydrocarbon diluent, the metal precursor comprising at least a Primary metal precursor and optionally a Promoter metal precursor, the metal precursor solution having a pH of at least 4 and a concentration of less than 10 wt. % of Primary metal in solution.Type: ApplicationFiled: December 20, 2011Publication date: July 5, 2012Applicant: Chevron CorporationInventors: Julie Chabot, Ling Jiao, Joseph V. Nguyen, Christopher Paul Dunckley, Shuwu Yang, Erin P. Maris, Oleg Mironov, Bruce Edward Reynolds, Alexander E. Kuperman
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Publication number: 20120172207Abstract: An improved process to make a slurry catalyst for the upgrade of heavy oil feedstock is provided. The sulfiding of the metal precursor/catalyst precursor is carried out at least twice (“enhanced sulfiding”) in the improved process to form a slurry catalyst with improved surface area and porosity value. The slurry catalyst under an enhanced sulfiding scheme is characterized as having increased catalytic activities over a slurry catalyst without an enhanced sulfidation step.Type: ApplicationFiled: December 20, 2011Publication date: July 5, 2012Inventors: Joseph V. NGUYEN, Ling JIAO, Julie CHABOT, Christopher Paul DUNCKLEY, Shuwu YANG
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Publication number: 20120172206Abstract: A method for preparing an improved slurry catalyst for the upgrade of heavy oil feedstock is provided. In one embodiment, the process comprises: sulfiding at least a metal precursor solution with at least a sulfiding agent forming a sulfided Group VIB catalyst precursor, the metal precursor solution having a pH of at least 4 and a concentration of less than 10 wt. % of Primary metal in solution; and mixing the catalyst precursor with a hydrocarbon diluent to form the slurry catalyst composition. The slurry catalyst prepared therefrom has a BET total surface area of at least 100 m2/g, a total pore volume of at least 0.5 cc/g and a polymodal pore distribution with at least 80% of pore sizes in the range of 5 to 2,000 Angstroms in diameter.Type: ApplicationFiled: December 20, 2011Publication date: July 5, 2012Inventors: Joseph V. Nguyen, Julie Chabot, Ling Jiao, Christopher Paul Dunckley, Shuwu Yang, Erin P. Maris, Oleg Mironov, Bruce Edward Reynolds, Alexander E. Kuperman
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Publication number: 20120172202Abstract: A process for preparing a slurry catalyst for the upgrade of heavy oil feedstock is provided. The process employs a pressure leach solution obtained from a metal recovery process as part of the metal precursor feed. In one embodiment, the process comprises: sulfiding a pressure leach solution having at least a Group VIB metal precursor compound in solution forming a catalyst precursor, and mixing the sulfided catalyst precursor with a hydrocarbon diluent to form the slurry catalyst. In another embodiment, the pressure leach solution is mixed with a hydrocarbon diluent under high shear mixing conditions to form an emulsion, which emulsion can be sulfided in-situ upon contact with a heavy oil feedstock in the heavy oil upgrade process.Type: ApplicationFiled: December 20, 2011Publication date: July 5, 2012Applicant: Chevron CorporationInventors: Oleg Mironov, Alexander E. Kuperman, Rahul Shankar Bhaduri, Julie Chabot, Shuwu Yang, Joseph V. Nguyen, Ling Jiao, Bruce Edward Reynolds
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Publication number: 20120172200Abstract: A single metal slurry catalyst for the upgrade of heavy oil feedstock is provided. The slurry catalyst is prepared by sulfiding a Primary metal precursor, then mixing the sulfided metal precursor with a hydrocarbon diluent to form the slurry catalyst. The single-metal slurry catalyst has the formula (Mt)a(Sv)d(Cw)e(Hx)f(Oy)g(Nz)h, wherein M is at least one of a non-noble Group VIII metal, a Group VIB metal, a Group IVB metal, and a Group IIB metal; 0.5a<=d<=4a; 0<=e<=11a; 0<=f<=18a; 0<=g<=2a; 0<=h<=3a; t, v, w, x, y, z, each representing total charge for each of: M, S, C, H, O, and N; and ta+vd+we+xf+yg+zh=0. The slurry catalyst has a particle size ranging from 1 to 300 ?m.Type: ApplicationFiled: December 20, 2011Publication date: July 5, 2012Inventors: Joseph V. Nguyen, Axel Brait, Oleg Mironov, Alexander E. Kuperman
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Publication number: 20120136180Abstract: The present disclosure describes methods and biomimetic catalysts useful for hydrolyzing glucose polymers, such as cellulose, and oligomers, such as cellobiose, to glucose for the subsequent production of ethanol.Type: ApplicationFiled: March 2, 2010Publication date: May 31, 2012Applicant: The Trustees of the University of PennsylvaniaInventors: Stephen Roth, Daeyeon Lee
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Publication number: 20120123070Abstract: La present invention relates to a multi-component catalytic system that can be used for the cis-1,4 stereospecific polymerization of conjugated dienes. The system is based on: (i) a rare-earth complex of Formula (II) Ln(A)3(B)n, Ln being a rare-earth metal, A a ligand, B a Lewis base or a solvent molecule and n a number from 0 to 3; (ii) an alkylating agent; (iii) a compound based on an aromatic ring and having at least two heteroatoms chosen from the elements O, N, S, P, and corresponding to the Formula (III): in which the R groups each denote hydrogen, an alkyl radical optionally comprising one or more heteroatoms (N, O, P, S, Si) or one or more halogen atoms, a halogen atom, a group based on one or more heteroatoms (N, O, P, S, Si); x and y are integers from 0 to 6; D is a group having a chemical function, one of the atoms of which has a non-bonding pair; L being an atom from column 1 of the Periodic Table.Type: ApplicationFiled: April 27, 2010Publication date: May 17, 2012Applicants: Societe De Technologie Michelin, Universite Claude Bernard Lyon 1, Centre National De La Recherche Scientifique, Michelin Recherche et Technique S.A.Inventors: Christophe Boisson, Olivier Rolland, Julien Thuilliez
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Publication number: 20120117862Abstract: Processes for producing mixed alcohols from mixed olefins and the catalyst systems for making such alcohols are provided. Additionally, processes for producing fuel compositions having mixed alcohols prepared from mixed olefins are also provided as embodiments of the present invention. The catalyst systems include a dual phase catalyst system that includes a water soluble acid catalyst and a solid acid catalyst.Type: ApplicationFiled: November 15, 2010Publication date: May 17, 2012Applicant: Saudi Arabian Oil CompanyInventor: Wei Xu
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Patent number: 8173753Abstract: A method for producing an aliphatic polyester resin including a melt polymerization step and a subsequent solid phase polymerization step, using a sulfonic acid group-containing compound as a catalyst, wherein the addition amount of the sulfonic acid group-containing compound during melt polymerization is 300 to 3000 ppm with respect to a raw material monomer calculated as sulfur atoms, the content of the sulfonic acid group-containing compound during melt polymerization is 300 to 3000 ppm with respect to a produced polymer calculated as sulfer atoms, and a residual rate of the sulfonic acid group-containing compound after solid phase at polymerization is more than 50.Type: GrantFiled: May 19, 2009Date of Patent: May 8, 2012Assignee: Toray Industries, Inc.Inventors: Tatsuya Nagano, Tomoko Nasuno, Hiroyuki Ome, Yong He, Bo Yu, Kexin Zhu, Xiao Guo, Pujing Zuo
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Patent number: 8173827Abstract: The present invention relates to a method for preparing iron-containing porous organic-inorganic hybrid materials where the organic compound ligand is bonded to a central metal and has a large surface area and pores of molecular size or nano size, by irradiating microwaves instead of heat treatments such as the conventional electric heating, etc. as the heat source of the hydrothermal or solvothermal synthesis reaction, after reacting a metal or metal salt and organic compound to form crystal nuclei by a predetermined pre-treatment operation in the presence of a solvent. In another aspect, a method of the present invention further comprises the step of purifying the obtained porous organic-inorganic hybrid materials by treating them with inorganic salt. In particular, a method of the present invention is characterized by not using a hydrofluoric acid.Type: GrantFiled: May 27, 2009Date of Patent: May 8, 2012Assignee: Korea Research Institute of Chemical TechnologyInventors: Jong-San Chang, Young Kyu Hwang, Sung Hwa Jhung, Do-Young Hong, You-Kyung Seo, Gerard Ferey, Christian Serre
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Publication number: 20120108786Abstract: An organocatalytic system, having a sulfonic acid as catalyst, for the polymerization of carbonates, and a polymerization process employing said system to obtain bio-polycarbonates devoid of ether units inserted by decarboxylation. The catalyst system for the ring-opening polymerization reaction of cyclic carbonates is formed of an initiator and, as catalyst, of a sulfonic acid of formula R?—SO3H, where R? denotes either: a linear alkyl group including from 1 to 20 carbon atoms or a branched or cyclic alkyl group including from 3 to 20 carbon atoms, or a an aryl group.Type: ApplicationFiled: March 31, 2010Publication date: May 3, 2012Applicants: Arkema France, Universite Paul Sabatier Toulouse, Centre National De La Recherche ScientifiqueInventors: Christophe Navarro, Didier Bourissou, Blanca Martin-Vaca, Damien Delcroix
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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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Patent number: 8058203Abstract: A method for preparing a bulk multi-metallic suitable for hydrotreating heavy oil feeds is provided. In the process of preparing the catalyst precursor which is subsequently sulfided to form the bulk catalyst, non-agglomerative drying is employed to keep the catalyst precursor from aggregating/clumping, resulting in a catalyst precursor with optimum porosity with at least 90% of the pores being macropores, and having a total pore volume of at least 0.08 g/cc.Type: GrantFiled: April 29, 2009Date of Patent: November 15, 2011Assignee: Chevron U.S.A. Inc.Inventors: Dennis Dykstra, Theodorus Maesen, Alexander E. Kuperman, Soy Uckung, Darren Fong
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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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Patent number: 8003743Abstract: A process for preparing 1-butene polymers comprising polymerizing 1-butene and optionally ethylene, propylene or higher alpha-olefin, in the presence of a catalyst system obtainable by contacting: a) metallocene compound of formula (I): wherein: M is a transition metal; p is an integer from 0 to 3; X, same or different, is a hydrogen atom, a halogen atom, or a hydrocarbon group; L is a divalent C1-C40 hydrocarbon radical; R1 is a C1-C40 hydrocarbon radical; T1, is a moiety of formula (IIa) or (IIb): wherein R2 and R3, are C1-C40 hydrocarbon radicals or they can form together a C3-C7-membered ring; R4 is C1-C40 hydrocarbon radicals; T2 and T3, are a moiety of formula (IIIa) or (IIIb): wherein R6 and R7, equal to or different from each other, are hydrogen atoms or C1-C40 hydrocarbon radicals; R5 is a hydrogen atom or a C1-C40 hydrocarbon radicals; with the proviso that if T1 is a moiety of formula (IIa) at least one between T2 and T3 is a moiety of formula (IIIb), and if T1 is a moiety of formulaType: GrantFiled: May 31, 2005Date of Patent: August 23, 2011Assignee: Basell Poliolefine Italia, S.R.L.Inventors: Luigi Resconi, Friederike Morhard
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Patent number: 7999061Abstract: A catalytic lactide and glycolide copolymerization system comprising a trifluoromethane sulfonate as a catalyst and copolymerization additive and a copolymerization process.Type: GrantFiled: December 11, 2008Date of Patent: August 16, 2011Assignee: IPSEN Pharma S.A.S.Inventors: Blanca Martin-Vaca, Anca Dumitrescu, Lidija Vranicar, Jean-Bernard Cazaux, Didier Bourissou, Roland Cherif-Cheikh, Frédéric Lacombe
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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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Publication number: 20110152578Abstract: A method for preventing the degradation of a catalyst during storage of the catalyst and prior to using the catalyst in a chemical process comprising treating the catalyst with an antioxidant and storing the treated catalyst until further use. The stabilized treated catalyst may be used in a process for producing organic chemicals such as in a process for producing bisphenol A.Type: ApplicationFiled: March 3, 2011Publication date: June 23, 2011Applicant: DOW GLOBAL TECHNOLOGIES LLCInventors: James Richard Stahlbush, Katherine H. Stahlbush, Harlan Robert Goltz, Thomas Caldwell Young, Edward Alan Fraini
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Publication number: 20110152480Abstract: A solid catalyst component for polymerizing at least one olefin comprising Mg, Ti, at least one halogen, and at least one electron donor selected from arylsulfonates and arylsulfonyl derivatives of a specified formula The solid catalyst component is able to give in high yields polyolefins with high stereoregularity.Type: ApplicationFiled: September 3, 2009Publication date: June 23, 2011Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: Yuri Gulevich, Fabrizio Piemontesi, Benedetta Gaddi, Simona Guidotti, Ilya E. Nifant'ev, Andrey Lyubimtsev
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Patent number: 7964526Abstract: A method for preparing a bulk multi-metallic suitable for hydrotreating heavy oil feeds is provided. In the process of preparing the catalyst precursor which is subsequently sulfided to form the bulk catalyst, a catalyst precursor filter cake is treated with at least a chelating agent, resulting in a catalyst precursor with optimum porosity with at least 90% of the pores being macropores, and having a total pore volume of at least 0.12 g/cc.Type: GrantFiled: April 29, 2009Date of Patent: June 21, 2011Assignee: Chevron U.S.A. Inc.Inventors: Theodorus Maesen, Alexander E. Kuperman, Dennis Dykstra, Soy Uckung, Darren Fong
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Patent number: 7964525Abstract: A stable catalyst with low volumetric shrinkage and a process for making the stable catalyst with low volumetric shrinkage is disclosed. The catalyst is made by sulfiding a catalyst precursor containing at least a Group VIB metal compound; at least a promoter metal compound selected from Group VIII, Group IIB, Group IIA, Group IVA and combinations thereof, having an oxidation state of either +2 or +4; optionally at least a ligating agent; optionally at least a diluent. In the process of making the catalyst, the catalyst precursor is first shaped then heat treated at a temperature of 50° C. to 200° C. for about 15 minutes to 12 hours, wherein the catalyst precursor still has a low (less than 12%) volumetric shrinkage after exposure to a temperature of at least 100° C. for at least 30 minutes, e.g., in sulfidation or in a hydrotreating reactor.Type: GrantFiled: April 29, 2009Date of Patent: June 21, 2011Assignee: Chevron U.S.A. Inc.Inventors: Dennis Dykstra, Theodorus Maesen, Alexander E. Kuperman, Soy Uckung, Darren Fong
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Patent number: 7964524Abstract: A catalyst and a process for making a catalyst from a precursor composition containing rework materials are disclosed. The catalyst is made by sulfiding a catalyst precursor containing 5-95 wt. % rework material. The catalyst precursor employing rework materials can be a hydroxide or oxide material. Rework can be materials generated in the forming or shaping of the catalyst precursor, or formed upon the breakage or handling of the shaped catalyst precursor. Rework can also be in the form of catalyst precursor feed material to the shaping process, e.g., extrusion process, or catalyst precursor material generated as reject or scrap in the shaping process. In some embodiment, rework may be of the consistency of shapeable dough. In another embodiment, rework is in the form of small pieces or particles, e.g., fines, powder.Type: GrantFiled: April 29, 2009Date of Patent: June 21, 2011Assignee: Chevron U.S.A. Inc.Inventors: Alexander E. Kuperman, Theodorus Maesen, Dennis Dykstra
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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
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Publication number: 20110144061Abstract: Provided are a nanoparticle/dispersant complex having excellent dispersibility and long-term stability in a dispersion medium, a production method therefor, and a nanoparticle dispersion liquid and a nanoparticle/matrix-material complex which are colorless and transparent even at high concentrations. In the nanoparticle/dispersant complex, a nanoparticle is covered with a dispersant containing a heterocyclic cationic group and one of an oxo acid group containing a sulfur atom or a phosphorus atom and an anion moiety of the oxo acid group; in the nanoparticle dispersion liquid, the nanoparticle/dispersant complex is dispersed into a dispersion medium; in the nanoparticle/matrix-material complex, the nanoparticle/dispersant complex is dispersed into a matrix material; and the production method for a nanoparticle/dispersant complex comprises forming, under a presence of the dispersant, a nanoparticle covered with the dispersant from a nanoparticle precursor.Type: ApplicationFiled: July 27, 2009Publication date: June 16, 2011Applicant: CANON KABUSHIKI KAISHAInventors: Jun Kato, Tetsushi Yamamoto
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Patent number: 7951746Abstract: Bulk metallic catalysts comprised of a Group VIII metal and a Group VIB metal and methods for synthesizing bulk metallic catalysts are provided. The catalysts are prepared by a method wherein precursors of both metals are mixed and interacted with at least one organic acid, such as glyoxylic acid, dried, calcined, and sulfided. The catalysts are used for hydroprocessing, particularly hydrodesulfurization and hydrodenitrogenation, of hydrocarbon feedstocks.Type: GrantFiled: October 9, 2007Date of Patent: May 31, 2011Assignee: ExxonMobil Research and Engineering CompanyInventors: Chuansheng Bai, El-Mekki El-Malki, Jeff Elks, Zhiguo Hou, Jon M. McConnachie, Pallassana S. Venkataraman, Jason Wu, Jun Han, Daniel Giaquinta, Alfred Hagemeyer, Valery Sokolovskii, Anthony F. Volpe, Jr., David Michael Lowe
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Patent number: 7947623Abstract: 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 VIB 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: GrantFiled: May 26, 2010Date of Patent: May 24, 2011Inventors: Oleg Mironov, Alexander E. Kuperman, Jaime Lopez, Axel Brait, Bruce Reynolds, Kaidong Chen
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Publication number: 20110098175Abstract: The present invention relates to a process for sulfurizing a hydrocarbon treatment catalyst, comprising: at least a first step of depositing, on the surface of the catalyst, one or more sulfurization auxiliaries of formula (I): and at least a second step, carried out after the first step, of placing the catalyst in contact with a sulfur-containing gaseous mixture containing hydrogen and a sulfur compound. This process does not comprise the deposit of any carbon sources other than the auxiliary of formula (I).Type: ApplicationFiled: September 10, 2010Publication date: April 28, 2011Applicant: Eurecat S.A.Inventors: Pierre Dufresne, Eric Nagy, Pauline Galliou
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Publication number: 20110098425Abstract: This invention relates to Group 4 catalyst compounds containing di-anionic tridentate nitrogen/oxygen based ligands. The catalyst compounds are useful, with or without activators, to polymerize olefins, particularly a-olefins, or other unsaturated monomers. Systems and processes to oligomerize and/or polymerize one or more unsaturated monomers using the catalyst compound, as well as the oligomers and/or polymers produced therefrom are also provided.Type: ApplicationFiled: October 20, 2010Publication date: April 28, 2011Inventors: Garth R. Giesbrecht, Timothy M. Boller, Alexander Z. Voskoboynikov, Andrey F. Asachenko, Mikhail V. Nikulin, Alexey A. Tsarev
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Publication number: 20110092360Abstract: The present invention relates to a process for sulfurizing a hydrocarbon treatment catalyst, comprising: at least a first step of depositing, on the surface of the catalyst, one or more sulfurization auxiliaries of formula (I): and at least a second step of placing the catalyst in contact with a sulfur-containing gaseous mixture containing hydrogen and a sulfur compound.Type: ApplicationFiled: September 10, 2010Publication date: April 21, 2011Applicant: Eurecat S.A.Inventors: Pierre Dufresne, Eric Nagy, Pauline Galliou