Preparing By Reduction Or Dehydrogenation (e.g., By Hydrogenation, Etc.) Patents (Class 568/799)
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Patent number: 10947174Abstract: A method for preparing trimethylolpropane, the method including: subjecting dimethylolbutanal (DMB) to a hydrogenation reaction in the presence of a metal catalyst and an alcohol solvent. During the hydrogenation reaction, a weight ratio of the alcohol solvent based to dimethylolbutanal is 2 to 10.Type: GrantFiled: October 4, 2018Date of Patent: March 16, 2021Assignee: LG CHEM, LTD.Inventors: Dawon Jung, Sungshik Eom, Tae Yun Kim, Dong Hyun Ko, Mi Young Kim, Min Ji Choi, Taewoo Kim
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Patent number: 10611884Abstract: The present invention relates to a composition comprising lignin and a solvent where the lignin is functionalized with an ether group.Type: GrantFiled: November 3, 2015Date of Patent: April 7, 2020Assignee: REN FUEL K2B ABInventors: Joseph Samec, Joakim Löfstedt, Alexander Orebom, Christian Dahlstrand, Supaporn Sawadjoon
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Patent number: 9718748Abstract: The present invention relates to methods of employing a metal-organic framework (MOF) as a catalyst for cleaving chemical bonds. In particular instances, the MOF results in selective bond cleavage that results in hydrogenolyzis. Furthermore, the MOF catalyst can be reused in multiple cycles. Such MOF-based catalysts can be useful, e.g., to convert biomass components.Type: GrantFiled: January 8, 2016Date of Patent: August 1, 2017Assignee: Sandia CorporationInventors: Mark D. Allendorf, Vitalie Stavila
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Patent number: 9388432Abstract: Carbon-containing materials, such as biomass (e.g., plant biomass, animal biomass, and municipal waste biomass) or coal are processed to produce useful products, such as fuels, carboxylic acids and equivalents thereof (e.g., esters and salts). For example, systems are described that can use feedstock materials, such as cellulosic and/or lignocellulosic materials and/or starchy materials, to produce ethanol, butanol or organic acids (e.g., acetic or lactic acid), salts of organic acids or mixtures thereof. If desired, organic acids can be converted into alcohols, such as by first converting the acid, salt or mixtures of the acid and its salt to an ester, and then hydrogenating the formed ester. Acetogens or homoacetogens which are capable of utilizing a syngas from a thermochemical conversion of coal or biomass can be utilized to produce the desired product.Type: GrantFiled: November 5, 2012Date of Patent: July 12, 2016Assignee: XYLECO, INC.Inventors: Marshall Medoff, Thomas Craig Masterman
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Patent number: 9249077Abstract: In a process for the dehydrogenation of at least one dehydrogenatable hydrocarbon, at least one dehydrogenatable hydrocarbon selected from an oxygen-containing six-membered carbon ring compound is supplied to a first dehydrogenation reaction zone together with at least one stabilizing compound selected from a non-oxygen-containing six membered carbon ring compound to the first dehydrogenation reaction zone, such that the weight ratio of the stabilizing compound to the dehydrogenatable hydrocarbon supplied to the first dehydrogenation reaction zone is in the range of from 1:200 to 200:1. The dehydrogenation feed stream and the at least one stabilizing compound are contacted with a first dehydrogenation catalyst in the first dehydrogenation reaction zone under dehydrogenation conditions to convert at least a portion of the dehydrogenatable hydrocarbon into an unsaturated six-membered carbon ring compound and hydrogen.Type: GrantFiled: April 4, 2011Date of Patent: February 2, 2016Assignee: ExxonMobil Chemical Patents Inc.Inventors: Jihad M. Dakka, Lorenzo C. DeCaul
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Patent number: 9242227Abstract: A catalyst composition comprises (i) a support; (ii) a dehydrogenation component comprising at least one metal or compound thereof selected from Groups 6 to 10 of the Periodic Table of Elements; and (iii) potassium or a potassium compound present in an amount of about 0.15 to about 0.6 wt % of potassium based upon the total weight of the catalyst composition, wherein the catalyst composition has an oxygen chemisorption of greater than 50%.Type: GrantFiled: December 17, 2010Date of Patent: January 26, 2016Assignee: ExxonMobil Chemical Patents Inc.Inventors: Jihad M. Dakka, Lorenzo C. Decaul, Terry E. Helton, Teng Xu, Jenna L. Wallace
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Patent number: 9061270Abstract: A catalyst composition comprising: (i) a support; (ii) a first component comprising at least one metal component selected from Group 1 and Group 2 of the Periodic Table of Elements; and (iii) a second component comprising at least one metal component selected from Groups 6 to 10 of the Periodic Table of Elements, wherein the catalyst composition exhibits an oxygen chemisorption of greater than 50%.Type: GrantFiled: December 17, 2010Date of Patent: June 23, 2015Assignee: ExxonMobil Chemical Patents Inc.Inventors: Teng Xu, Terry E. Helton, Jihad M. Dakka, Tan-Jen Chen, Sabato Miseo, Lorenzo C. Decaul, Edward A. Lemon, Jr.
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Patent number: 9035117Abstract: This specification discloses an operational continuous process to convert lignin as found in ligno-cellulosic biomass before or after converting at least some of the carbohydrates. The continuous process has been demonstrated to create a slurry comprised of lignin, raise the slurry comprised of lignin to ultra-high pressure, deoxygenate the lignin in a lignin conversion reactor over a catalyst which is not a fixed bed without producing char. The conversion products of the carbohydrates or lignin can be further processed into polyester intermediates for use in polyester preforms and bottles.Type: GrantFiled: February 24, 2013Date of Patent: May 19, 2015Assignee: Biochemtex S.p.A.Inventors: Steven Ryba, Aaron Murray, Guliz Arf Elliott, Dan Gastaldo
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Patent number: 9035107Abstract: In a process for the dehydrogenation of dehydrogenatable hydrocarbons, a feed comprising dehydrogenatable hydrocarbons is contacted with a catalyst comprising a support and a dehydrogenation component under dehydrogenation conditions effective to convert at least a portion of the dehydrogenatable hydrocarbons in the feed. The catalyst is produced by a method comprising treating the support with a liquid composition comprising the dehydrogenation component or a precursor thereof and at least one organic dispersant selected from an amino alcohol and an amino acid.Type: GrantFiled: December 17, 2010Date of Patent: May 19, 2015Assignee: ExxonMobil Chemical Patents Inc.Inventors: Teng Xu, Stuart L. Soled, Edward A. Lemon, Joseph E. Baumgartner, Sabato Miseo, George H. Gamble
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Patent number: 9029611Abstract: In a process for the dehydrogenation of cyclohexanone to produce phenol, a feed comprising cyclohexanone is contacted with a dehydrogenation catalyst under dehydrogenation conditions comprising a temperature of less than 400° C. and a pressure of less than 690 kPa, gauge, such 0.1 to 50 wt % of the cyclohexanone in said feed is converted to phenol and the dehydrogenation product contains less than 100 ppm by weight of alkylbenzenes.Type: GrantFiled: December 17, 2010Date of Patent: May 12, 2015Assignee: ExxonMobil Chemical Patents Inc.Inventors: Teng Xu, Jihad M. Dakka, Christopher L. Becker, Keith H. Kuechler, Francisco M. Benitez, Charles M. Smith, Hari Nair
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Patent number: 9000231Abstract: Described herein are high yield methods for making magnolol (5,5?-diallyl-biphenyl-2,2?-diol) and tetrahydro-magnolol (5,5?-dipropyl-biphenyl-2,2?-diol).Type: GrantFiled: June 20, 2011Date of Patent: April 7, 2015Assignee: Colgate-Palmolive CompanyInventors: Ramesh Naik, Sanju Walikar, Ramesh Jayaramaiah, Vangumalla Devaki Devi, Govindarajalu Jeyaraman, Koottungalmadhom Ramaswamy Ranganathan
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Publication number: 20150011801Abstract: Renewable resources comprising bagasse, corn stover, wood sawdust and switch grass are subject to direct catalytic conversion or bio-fermentation producing ethanol leaving complex lignin compounds for disposal. Chemical conversion of lignin compounds (recoverable from digested lignin) to substituted phenols followed by a carbon steel catalyzed pulsed flow hydrogenation produces cresol and substituted creosol compounds. The pulsed flow process produced close to 100 percent reduction of the reactants compared to 25 percent with continuous flow and is applicable to aliphatic carboxylic acid compounds such as natural oils producing valued liquid hydrocarbons.Type: ApplicationFiled: July 8, 2013Publication date: January 8, 2015Applicant: Carter Technologies CorporationInventor: M. K. Carter
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Publication number: 20140336422Abstract: In a process for producing mono-cycloalkyl-substituted aromatic compound, benzene and cyclic monoolefin are contacted with a catalyst under alkylation conditions to produce an effluent containing mono-cycloalkyl-substituted aromatic compound. The catalyst comprises a molecular sieve.Type: ApplicationFiled: November 4, 2011Publication date: November 13, 2014Applicant: ExxonMobile Chemical Patents, Inc.Inventors: Jihad M. Dakka, Teng Xu, Edward A. Lemon, James R. Lattner, Jane C. Cheng
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Patent number: 8884075Abstract: In a process for the dehydrogenation of cyclohexanone to produce phenol, cyclohexanone is contacted in a reaction zone under dehydrogenation conditions with a dehydrogenation catalyst comprising (i) a support comprising silica; and (ii) a dehydrogenation component comprising at least one metal selected from Group 10 of Periodic Table of Elements. Contact of the dehydrogenation catalyst with the cyclohexanone is then terminated and the dehydrogenation catalyst is contacted with an inert gas and/or hydrogen at a temperature of at least 300° C. Contact of the dehydrogenation catalyst with additional cyclohexanone is subsequently reestablished.Type: GrantFiled: August 25, 2011Date of Patent: November 11, 2014Assignee: ExxonMobil Chemical Patents Inc.Inventors: Teng Xu, George Harry Gamble, Jihad Mohammed Dakka, Lorenzo Cophard DeCaul
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Publication number: 20140330044Abstract: In a process for producing phenol, cyclohexylbenzene hydroperoxide is cleaved to produce a cleavage effluent stream comprising phenol and cyclohexanone and at least a portion of the cleavage effluent stream is fractionated to produce a first fraction richer in cyclohexanone than the cleavage effluent stream portion and a second fraction richer in phenol and depleted in cyclohexanone as compared with said cleavage effluent stream portion. At least a portion of the second fraction is then contacted with a dehydrogenation catalyst in a dehydrogenation reaction zone under dehydrogenation conditions effective to convert at least a portion of the cyclohexanone in said second fraction portion into phenol and cyclohexanol.Type: ApplicationFiled: August 29, 2012Publication date: November 6, 2014Applicant: ExxonMobil Chemical Patents Inc.Inventors: Keith H. Kuechler, James R. Lattner, Christopher L. Becker
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Publication number: 20140179954Abstract: Phosphoranimide-metal catalysts and their role in C—O bond hydrogenolysis and hydrodeoxygenation (HDO) are disclosed. The catalysts comprise of first row transition metals such as nickel, cobalt and iron. The catalysts have a metal to anionic phosphoranimide ratio of 1:1 and catalyze C—O bond hydrogenolyses of a range of oxygen-containing organic compounds under lower temperature and pressure conditions than those commonly used in industrial hydrodeoxygenation.Type: ApplicationFiled: December 21, 2012Publication date: June 26, 2014Applicant: GOVERNORS OF THE UNIVERSITY OF ALBERTAInventors: Jeffrey Camacho Bunquin, Jeffrey Mark Stryker
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Publication number: 20140148620Abstract: In a process for the dehydrogenation of cyclohexanone to produce phenol, cyclohexanone is contacted in a reaction zone under dehydrogenation conditions with a dehydrogenation catalyst comprising (i) a support comprising silica; and (ii) a dehydrogenation component comprising at least one metal selected from Group 10 of Periodic Table of Elements. Contact of the dehydrogenation catalyst with the cyclohexanone is then terminated and the dehydrogenation catalyst is contacted with an inert gas and/or hydrogen at a temperature of at least 300° C. Contact of the dehydrogenation catalyst with additional cyclohexanone is subsequently reestablished.Type: ApplicationFiled: August 25, 2011Publication date: May 29, 2014Applicant: ExxonMobil Chemical Patents Inc.Inventors: Teng Xu, George Harry Gamble, Jihad Mohammed Dakka, Lorenzo Cophard DeCaul
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Publication number: 20140142279Abstract: A new method based on the synthesis and use of novel N and C protecting agents. The new N-protecting agent, here referred to as V-Phenol, generates V-protected amino acids and can be successfully applied to all conventional peptide bond formations including active esters, N,N?-dicyclohexylcarbodiimide (DCC) or related dehydrating agents mixed anhydride methods, PC13 and related agents. The new C-protecting agent, here referred to as HONE, can be successfully applied to peptide synthesis as an active ester not only in combination with V-protected amino acids but also with other N-protecting agents such as Cbz, Boc, Fmoc, etc.Type: ApplicationFiled: September 12, 2013Publication date: May 22, 2014Inventors: Iraj Lalezari, Parviz Lalezari
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Publication number: 20140135470Abstract: This specification discloses a complete method to manufacture polyester articles from freshly harvested ligno-cellulosic biomass. The process steps include pretreating the biomass and the converting the lignin to one of several possible organic steams by deoxygenating and dehydrogenating the lignin in the presence of a Raney Nickel catalyst, separating the organics, and then processing the organics into polyester feedstocks and converting those feedstocks to polyester.Type: ApplicationFiled: June 15, 2012Publication date: May 15, 2014Applicant: CHEMTEX ITALIA, S.p.A.Inventors: Aaron Murray, Steven Ryba
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Publication number: 20140121418Abstract: Digestion of cellulosic biomass solids may be complicated by release of lignin therefrom. Methods for digesting cellulosic biomass solids may comprise: providing cellulosic biomass solids in the presence of a digestion solvent, molecular hydrogen, and a slurry catalyst capable of activating molecular hydrogen; at least partially converting the cellulosic biomass solids into a phenolics liquid phase comprising lignin, an aqueous phase comprising a glycol derived from the cellulosic biomass solids, and an optional light organics phase; wherein at least a portion of the slurry catalyst accumulates in the phenolics liquid phase as it forms; combining the glycol with the phenolics liquid phase, thereby forming a combined phase; and heating the combined phase in the presence of molecular hydrogen; wherein heating the combined phase reduces the viscosity of the phenolics liquid phase and transforms at least a portion of the glycol into a monohydric alcohol.Type: ApplicationFiled: October 30, 2013Publication date: May 1, 2014Applicant: SHELL OIL COMPANYInventors: Joseph Broun POWELL, Kimberly Ann JOHNSON
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Patent number: 8680355Abstract: A novel olefin production process of the invention can be established as an industrial and practical process of producing an olefin with high selectivity by directly reacting a ketone and hydrogen in a single reaction step. In particular, a novel olefin production process is provided in which propylene is obtained with high selectivity by directly reacting acetone and hydrogen. An olefin production process of the invention includes reacting a ketone and hydrogen at a reaction temperature in the range of 50 to 300° C. in the presence of a Cu-containing hydrogenation catalyst and a solid acid substance.Type: GrantFiled: October 22, 2009Date of Patent: March 25, 2014Assignee: Mitsui Chemcials, Inc.Inventors: Tsuneyuki Ohkubo, Kenji Fujiwara, Terunori Fujita
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Publication number: 20140066663Abstract: A catalyst composition comprises (i) a support; (ii) a dehydrogenation component comprising at least one metal or compound thereof selected from Groups 6 to 10 of the Periodic Table of Elements; and (iii) tin or a tin compound, wherein the tin is present in an amount of 0.01 wt % to about 0.25 wt %, the wt % based upon the total weight of the catalyst composition.Type: ApplicationFiled: December 2, 2011Publication date: March 6, 2014Applicant: ExxonMobil Chemical Patents Inc.Inventors: Jihad M. Dakka, Lorenzo C. DeCaul, Terry E. Helton, Keith H. Kuechier, Jenna L. Waliace
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Patent number: 8648218Abstract: In an embodiment of the disclosure, a method for preparing a phenolic compound is provided. The method includes providing a lignin depolymerization product, and hydrogenating the lignin depolymerization product under iron oxide and hydrogen gas to prepare a phenolic compound. The prepared phenolic compound is a crude phenolic composition including phenol, methylphenol, dimethylphenol or a combination thereof.Type: GrantFiled: November 21, 2012Date of Patent: February 11, 2014Assignee: Industrial Technology Research InstituteInventors: Chiung-Fang Liu, Chih-Ching Chen, Chih-Hao Chen, Pei-Jung Yu, Ying-Hsi Chang, Hou-Peng Wan, Hom-Ti Lee
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Publication number: 20130345445Abstract: The present invention relates to a method of reducing a C—O bond to the corresponding C—H bond in a substrate which could be a benzylic alcohol, allylic alcohol, ester, or ether or an ether bond beta to a hydroxyl group or alpha to a carbonyl group.Type: ApplicationFiled: March 8, 2012Publication date: December 26, 2013Applicant: KAT2BIZ ABInventors: Joseph Samec, Anna Lundstedt, Supaporn Sawadjoon
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Publication number: 20130274487Abstract: The present invention relates to the field of catalytic hydrogenation and, more particularly, to the use of specific ruthenium catalysts, or pre-catalysts, in hydrogenation processes for the reduction of ketones and/or aldehydes into the corresponding alcohol respectively. Said catalysts are ruthenium complexes comprising a tetradentate ligand (L4) coordinating the ruthenium with: two nitrogen atoms, each in the form of a primary or secondary amine (i.e. a NH2 or NH group) or N-alkyl imine functional groups (i.e. a C?N group), and two sulfur atoms, each in the form of thioether functional groups.Type: ApplicationFiled: December 19, 2011Publication date: October 17, 2013Applicant: FIRMENICH SAInventors: Sylvia Joyeuse Adélaïde Ada Saudan, Michel Alfred Joseph Saudan
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Publication number: 20130225872Abstract: This specification discloses an operational continuous process to convert lignin as found in ligno-cellulosic biomass before or after converting at least some of the carbohydrates. The continuous process has been demonstrated to create a slurry comprised of lignin, raise the slurry comprised of lignin to ultra-high pressure, deoxygenate the lignin in a lignin conversion reactor over a catalyst which is not a fixed bed without producing char. The conversion products of the carbohydrates or lignin can be further processed into polyester intermediates for use in polyester preforms and bottles.Type: ApplicationFiled: February 24, 2013Publication date: August 29, 2013Applicant: Chemtex Italia, S.p.A.Inventor: Chemtex Italia, S.p.A.
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Publication number: 20130202522Abstract: The invention relates to hydroalkylation processes. In the processes, a hydrogen stream comprising hydrogen and an impurity is treated to reduce the amount of the impurity in the hydrogen stream. The hydrogen is then hydroalkylated with benzene to form at least some cyclohexylbenzene. The processes also relate to treating a benzene stream comprising benzene and an impurity with an adsorbent to reduce the amount of the impurity in the benzene stream. The hydroalkylation processes described herein may be used as part of a process to make phenol.Type: ApplicationFiled: April 4, 2011Publication date: August 8, 2013Inventors: Tan-Jen Chen, Teng Xu, Terry Helton, Francisco M. Benitez, Charles M. Smith
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Publication number: 20130204048Abstract: In a process for the dehydrogenation of at least one dehydrogenatable hydrocarbon, at least one dehydrogenatable hydrocarbon selected from an oxygen-containing six-membered carbon ring compound is supplied to a first dehydrogenation reaction zone together with at least one stabilizing compound selected from a non-oxygen-containing six membered carbon ring compound to the first dehydrogenation reaction zone, such that the weight ratio of the stabilizing compound to the dehydrogenatable hydrocarbon supplied to the first dehydrogenation reaction zone is in the range of from 1:200 to 200:1. The dehydrogenation feed stream and the at least one stabilizing compound are contacted with a first dehydrogenation catalyst in the first dehydrogenation reaction zone under dehydrogenation conditions to convert at least a portion of the dehydrogenatable hydrocarbon into an unsaturated six-membered carbon ring compound and hydrogen.Type: ApplicationFiled: April 4, 2011Publication date: August 8, 2013Applicant: ExxonMobil Chemical Patents Inc.Inventors: Jihad M. Dakka, Lorenzo C. Decaul
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Patent number: 8487140Abstract: In a process for producing phenol, cyclohexylbenzene is oxidized to produce cyclohexylbenzene hydroperoxide and then the resultant cyclohexylbenzene hydroperoxide is cleaved to produce an effluent stream comprising phenol and cyclohexanone. At least a portion of the effluent stream is then fed to at least one dehydrogenation reaction zone, where the effluent stream portion is contacted with a dehydrogenation catalyst under conditions effective to convert at least part of the cyclohexanone in the effluent portion into phenol and hydrogen.Type: GrantFiled: July 14, 2009Date of Patent: July 16, 2013Assignee: ExxonMobil Chemical Patents Inc.Inventors: John S. Buchanan, Jon E. Stanat, Tan-Jen Chen, Jihad M. Dakka, James R. Lattner
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Publication number: 20130150623Abstract: An object is to provide a process for providing hydrogen or heavy hydrogens conveniently without the necessity of large-scale equipment and a process capable of performing hydrogenation (protiation, deuteration or tritiation) reaction conveniently without the use of an expensive reagent and a special catalyst. The production process includes a process for producing hydrogen or heavy hydrogens, containing subjecting water or heavy water to mechanochemical reaction in the presence of a catalyst metal, and a process for producing a hydrogenated (protiated, deuterated or tritiated) organic compound, containing subjecting an organic compound and water or heavy water to mechanochemical reaction in the presence of a catalyst metal.Type: ApplicationFiled: August 16, 2011Publication date: June 13, 2013Applicant: Shiono Chemical Co., Ltd.Inventors: Hironao Sajiki, Yasunari Monguchi, Yoshinari Sawama, Shinichi Kondo
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Publication number: 20130150630Abstract: In an embodiment of the disclosure, a method for preparing a phenolic compound is provided. The method includes providing a lignin depolymerization product, and hydrogenating the lignin depolymerization product under iron oxide and hydrogen gas to prepare a phenolic compound. The prepared phenolic compound is a crude phenolic composition including phenol, methylphenol, dimethylphenol or a combination thereof.Type: ApplicationFiled: November 21, 2012Publication date: June 13, 2013Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventor: INDUSTRIAL TECHNOLOGY RESEARCH INSTIT
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Publication number: 20130090499Abstract: A catalyst composition comprising: (i) a support; (ii) a first component comprising at least one metal component selected from Group 1 and Group 2 of the Periodic Table of Elements; and (iii) a second component comprising at least one metal component selected from Groups 6 to 10 of the Periodic Table of Elements, wherein the catalyst composition exhibits an oxygen chemisorption of greater than 50%.Type: ApplicationFiled: December 17, 2010Publication date: April 11, 2013Inventors: Teng Xu, Terry E. Helton, Jihad M. Bakka, Tan-Jen Chen, Sabato Miseo, Lorenzo C. Decaul, Edward A. Lemon, JR.
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Publication number: 20130041151Abstract: The present invention provides a novel ruthenium complex which has an excellent catalytic activity in terms of reactivity for asymmetric reduction of a carbonyl compound and enantioselectivity, a catalyst using the ruthenium complex, and a method for preparing optically active alcohol compounds using the ruthenium complex. The present invention relates to a ruthenium complex having ruthenacycle structure, a catalyst for asymmetric reduction consisting of the ruthenium complex, and a method for preparing optically active alcohol using the ruthenium complex.Type: ApplicationFiled: December 14, 2010Publication date: February 14, 2013Applicant: TAKASAGO INTERNATIONAL CORPORATIONInventors: Hideki Nara, Tohru Yokozawa
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Publication number: 20120323045Abstract: In a process for the dehydrogenation of cyclohexanone to produce phenol, a feed comprising cyclohexanone is contacted with a dehydrogenation catalyst under dehydrogenation conditions comprising a temperature of less than 400° C. and a pressure of less than 690 kPa, gauge, such 0.1 to 50 wt % of the cyclohexanone in said feed is converted to phenol and the dehydrogenation product contains less than 100 ppm by weight of alkylbenzenes.Type: ApplicationFiled: December 17, 2010Publication date: December 20, 2012Inventors: Teng Xu, Jihad M. Dakka, Christopher L. Becker, Keith H. Kuechler, Francisco M. Benitez, Charles M. Smith, Hari Nair
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Publication number: 20120323046Abstract: In a process for the dehydrogenation of dehydrogenatable hydrocarbons, a feed comprising dehydrogenatable hydrocarbons is contacted with a catalyst comprising a support and a dehydrogenation component under dehydrogenation conditions effective to convert at least a portion of the dehydrogenatable hydrocarbons in the feed. The catalyst is produced by a method comprising treating the support with a liquid composition comprising the dehydrogenation component or a precursor thereof and at least one organic dispersant selected from an amino alcohol and an amino acid.Type: ApplicationFiled: December 17, 2010Publication date: December 20, 2012Inventors: Teng Xu, Stuart L. Soled, Edward A. Lemon, Joseph E. Baumgartner, Sabato Miseo, George H. Gamble
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Publication number: 20120302799Abstract: A catalyst composition comprises (i) a support; (ii) a dehydrogenation component comprising at least one metal or compound thereof selected from Groups 6 to 10 of the Periodic Table of Elements; and (iii) potassium or a potassium compound present in an amount of about 0.15 to about 0.6 wt % of potassium based upon the total weight of the catalyst composition, wherein the catalyst composition has an oxygen chemisorption of greater than 50%.Type: ApplicationFiled: December 17, 2010Publication date: November 29, 2012Inventors: Jihad M. Dakka, Lorenzo C. Decaul, Terry E. Helton, Teng Xu, Jenna L. Wallace
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Publication number: 20120283335Abstract: Compounds of formula (I) wherein X is H or F and pharmaceutically acceptable salts thereof are useful as anesthetics.Type: ApplicationFiled: May 12, 2009Publication date: November 8, 2012Inventor: Thomas E. Jenkins
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Publication number: 20120277472Abstract: The present invention relates to a hydrogenation process that may be used in connection with the production of phenol. In the process, a composition comprising: (i) cyclohexylbenzene; and (ii) a hydrogenable component are contacted with hydrogen in the presence of a hydrogenation catalyst under hydrogenation conditions. The hydrogenable component can be one or more of an olefin, a ketone or phenol. The hydrogenation catalyst has hydrogenation component and a support.Type: ApplicationFiled: November 23, 2010Publication date: November 1, 2012Inventors: Jihad M. Dakka, Keith H. Kuechler, James R. Lattner, Edmund J. Mozeleski
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Publication number: 20120172579Abstract: The present invention provides methods, reactor systems, and catalysts for converting in a continuous process biomass to less complex oxygenated compounds for use in downstream processes to produce biofuels and chemicals. The invention includes methods of converting the components of biomass, such as hemicellulose, cellulose and lignin, to water-soluble materials, including lignocellulosic derivatives, cellulosic derivatives, hemicellulosic derivatives, carbohydrates, starches, polysaccharides, disaccharides, monosaccharides, sugars, sugar alcohols, alditols, polyols, diols, alcohols, ketones, cyclic ethers, esters, carboxylic acids, aldehydes, and mixtures thereof, using hydrogen and a heterogeneous liquefaction catalyst.Type: ApplicationFiled: December 29, 2011Publication date: July 5, 2012Inventors: Ming Qiao, Randy D. Cortright, John Kania, Elizabeth Woods
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Publication number: 20120137572Abstract: A method is disclosed including co-processing a biomass feedstock and a refinery feedstock in a refinery unit. The method can include producing a liquid product by catalytically cracking or hyrocracking or hydrotreating a biomass feedstock and a refinery feedstock in a refinery unit having a fluidized reactor. Catalytically cracking can include transferring hydrogen from the refinery feedstock to carbon and oxygen from the biomass feedstock. Hydrocracking or hydrotreating can include transferring hydrogen from a hydrogen source to carbon and oxygen from the biomass feedstock, and to carbon from the refinery feedstock.Type: ApplicationFiled: May 24, 2010Publication date: June 7, 2012Applicant: KIOR, INC.Inventors: Robert Bartek, Steve Yanik, Paul O'Connor
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Publication number: 20120123171Abstract: Renewable resources comprising bagasse, corn stover, wood sawdust and switch grass are subject to direct catalytic conversion or bio-fermentation processes producing ethanol and organic by products leaving complex lignin compounds as waste for disposal. Chemical conversion of lignin compounds to aromatic lignin acids followed by reductive hydrogenation to cresol and substituted creosol compounds prepares these natural resources for chemical conversion to a form of gasoline and valued industrial compounds. The process disclosed herein is also applicable to organic carboxylic acid compounds such as natural oils producing valued liquid hydrocarbon fuels.Type: ApplicationFiled: November 15, 2010Publication date: May 17, 2012Applicant: Carter TechnologiesInventor: Melvin Keith Carter
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Publication number: 20110313178Abstract: The present invention discloses a process for producing small molecular weight organic compounds from carbonaceous material comprising a step of contacting the carbonaceous material with carbon monoxide (CO) and steam in presence of a shift catalyst at a predetermined temperature and pressure.Type: ApplicationFiled: July 31, 2008Publication date: December 22, 2011Applicant: NAGARJUNA ENERGY PRIVATE LIMITEDInventors: Manoj Kumar Sarkar, Dhurjati Prasad Chakrabarti, Dhruba Sarkar, Banibrata Pandey
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Publication number: 20110207934Abstract: The present invention relates to new borane complexes with substituted pyridines, a process for the synthesis of new borane complexes with substituted pyridines, solutions comprising new borane complexes with substituted pyridines and a method of using new borane complexes with substituted pyridines for organic reactions.Type: ApplicationFiled: September 20, 2007Publication date: August 25, 2011Applicant: BASF SEInventor: Elizabeth Burkhardt
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Publication number: 20110037022Abstract: In a process for producing phenol and/or cyclohexanone, benzene and hydrogen are contacted with a first catalyst in a hydroalkylation step to produce a first effluent stream comprising cyclohexylbenzene, cyclohexane, and unreacted benzene. At least part of the first effluent stream is supplied to a first separation system to divide the first effluent stream part into a cyclohexylbenzene-rich stream and a C6 product stream comprising unreacted benzene and cyclohexane.Type: ApplicationFiled: March 16, 2009Publication date: February 17, 2011Applicant: EXXONMOBIL CHEMICAL PATENTS INC.Inventors: Jihad M. Dakka, J. Scott Buchanan, Jane C. Cheng, Tan-Jen Chen, Lorenzo C. Decaul, Terry E. Helton, Jon E. Stanat, Francisco M. Benitez
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Publication number: 20110021841Abstract: In a process for producing cyclohexylbenzene, benzene and hydrogen are contacted with a catalyst under hydroalkylation conditions to produce an effluent containing cyclohexylbenzene. The catalyst comprises a composite of a molecular sieve, an inorganic oxide different from said molecular sieve and at least one hydrogenation metal, wherein at least 50 wt % of said hydrogenation metal is supported on the inorganic oxide and the inorganic oxide has an average particle size less than 40 ?m (microns).Type: ApplicationFiled: February 23, 2009Publication date: January 27, 2011Inventors: Tan-Jen Chen, Jane C. Cheng, Francisco M. Benitez, Terry E. Helton, Jon E. Stanat
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Patent number: 7868210Abstract: A process is described for the preparation of phenol by the hydrodeoxygenation of polyhydroxylated benzene derivatives or by the selective hydroxylation of benzene under depletive conditions, characterized in that the above-mentioned reactions are carried out in the presence of a catalyst based on multi component metal oxides comprising at least one metal selected from the groups VB, VIB, VIII, IB, IIB, IVA, VA.Type: GrantFiled: January 10, 2006Date of Patent: January 11, 2011Assignee: Polimeri Europa S.p.A.Inventors: Leonardo Dalloro, Alberto Cesana, Roberto Buzzoni, Fausto Genoni, Guido Spano′, Franco Rivetti
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Publication number: 20100191017Abstract: In a process for producing cyclohexylbenzene, benzene and hydrogen are contacted with a catalyst under hydroalkylation conditions to produce an effluent containing cyclohexylbenzene. The catalyst comprises a composite of a molecular sieve, an inorganic oxide different from said molecular sieve and at least one hydrogenation metal, wherein at least 50 wt % of said hydrogenation metal is supported on the inorganic oxide.Type: ApplicationFiled: July 11, 2008Publication date: July 29, 2010Inventors: Tan-Jen Chen, John Scott Buchanan, Jane Chi-ya Cheng, Terry E. Helton
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Publication number: 20100069683Abstract: The present invention provides an asymmetric reduction catalyst effective in preparing optically-active alcohol compounds having various functional groups, and a process for preparing optically-active alcohol compounds using said asymmetric reduction catalyst. The organic metal compound of the present invention is represented by the following general formula (1): wherein R1 and R2 may be mutually identical or different, and are an alkyl group, a phenyl group, a naphthyl group, a cycloalkyl group, or an alicyclic ring formed by binding R1 and R2, which may have a substituent; R3 is a hydrogen atom or an alkyl group; Cp is a cyclopentadienyl group, which may have a substituent, bound to M1 via a ? bond; X1 is a halogen atom or a hydrido group; M1 is rhodium or iridium; and * denotes asymmetric carbon.Type: ApplicationFiled: August 28, 2009Publication date: March 18, 2010Applicant: Kanto Kagaku Kabushiki KaishaInventors: Takashi Miki, Junichi Hori, Toshihide Takemoto, Noriyuki Utsumi, Takeaki Katayama, Masahito Watanabe, Kunihiko Murata
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Publication number: 20090105481Abstract: Process for stereoselective hydrogenation by reacting racemic aldehydes or ketones having a stereogenic carbon atom in the position relative to the C(O) group and containing the structural element —(O)C—C—CH— by means of hydrogen in the presence of a base and a ruthenium complex containing a bidentate ligand having coordinating P and N atoms, a monophosphine ligand and anionic and/or uncharged ligands as homogeneous catalyst, with the charge being balanced by one or two monovalent acid anions or a divalent acid anion when uncharged ligands are present.Type: ApplicationFiled: March 8, 2007Publication date: April 23, 2009Inventors: Felix Spindler, Ulrike Nettekoven, Mauro Perseghini
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Publication number: 20090062573Abstract: The present invention provides an asymmetric reduction catalyst effective in preparing optically-active alcohol compounds having various functional groups, and a process for preparing optically-active alcohol compounds using said asymmetric reduction catalyst. The organic metal compound of the present invention is represented by the following general formula (1): wherein R1 and R2 may be mutually identical or different, and are an alkyl group, a phenyl group, a naphthyl group, a cycloalkyl group, or an alicyclic ring formed by binding R1 and R2, which may have a substituent; R3 is a hydrogen atom or an alkyl group; Cp is a cyclopentadienyl group, which may have a substituent, bound to M1 via a ? bond; X1 is a halogen atom or a hydrido group; M1 is rhodium or iridium; and * denotes asymmetric carbon.Type: ApplicationFiled: July 18, 2008Publication date: March 5, 2009Applicant: Kanto Kagaku Kabushiki KaishaInventors: Takashi Miki, Junichi Hori, Toshihide Takemoto, Noriyuki Utsumi, Takeaki Katayama, Masahito Watanabe, Kunihiko Murata