Oxidation Of Hydrocarbon Mixtures Patents (Class 568/398.8)
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Patent number: 12258312Abstract: The present application relates to a compound of the following formula (I) in which —R1, R2, R3 and R4 represent independently of each other H or a (C1-C30) alkyl group, the total sum of the number of carbon atoms of R1, R2, R3 and R4 being equal to 6+4x, x being a whole number of between 1 and 6, provided that: at most two of the groups R1, R2, R3 and R4 are H, R5 represents H, OR, or NR?R? R, R? and R?, identical or different, represent H, a (C1-C10) alkyl group, at least one of groups R1, R2, R3 or R4 comprises or is a tertiobutyl group. (I) the method for preparing same and the uses thereof as a plasticising lubricant, surfactant or in a cosmetic composition.Type: GrantFiled: August 17, 2020Date of Patent: March 25, 2025Assignee: Global BioenergiesInventors: Serge Ratton, Marc Lemaire, Luc Mathis, Estelle Metay
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Patent number: 10442751Abstract: The present invention relates to a method for producing a substituted alkyl cycloalkanone, comprising the alkylation of a cycloalkanone with an alkene derivative in the presence of a metal oxide, where n is 2 to 20, m is 0 to 10, and R is a functional group.Type: GrantFiled: January 13, 2016Date of Patent: October 15, 2019Assignee: SYMRISE AGInventors: Atia Hanan, Reinhard Eckelt, Angela Koeckritz, Johannes Panten, Peter Esser, Oskar Koch
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Publication number: 20150099876Abstract: This invention relates to molecular catalysts and chemical reactions utilizing the same, and particularly to molecular catalysts for efficient catalytic oxidation of hydrocarbons, such as hydrocarbons from natural gas. The molecular catalytic platform provided herein is capable of the facile oxidation of hydrocarbons, for example, under ambient conditions such as near room temperature and atmospheric pressure.Type: ApplicationFiled: October 2, 2014Publication date: April 9, 2015Inventors: Sunney Ignatius CHAN, Sheng-Fa YU, Penumaka NAGABABU, Suman MAJI, Ping-Yu CHEN, Ravirala RAMU, Chung-Yuan MOU, Chih-Cheng LIU
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Publication number: 20140194653Abstract: A process for converting hydrocarbons comprising the step of contacting said hydrocarbons under conversion conditions with a crystalline molecular sieve having a pore size in the range of from about 2 to about 19 ?, said molecular sieve made by a method comprising the steps of (a) providing a mixture comprising at least one source of ions of tetravalent element (Y), at least one trivalent element hydroxide source (OH?), and water, said mixture having a solid-content in the range of from about 15 wt. % to about 50 wt. % .%, preferably of from about 20% to about 30%; and (b) treating said mixture to form the desired crystalline molecular sieve with stirring at crystallization conditions sufficient to obtain a weight hourly throughput from about 0.005 to about 1 hr?1, wherein said crystallization conditions comprise a temperature in the range of from about 200° C. to about 500° C. and a crystallization time less than 100 hr, wherein said crystalline molecular sieve has a zeolite framework type of MFI.Type: ApplicationFiled: January 20, 2014Publication date: July 10, 2014Inventors: Ivy D. Johnson, Wenyih F. Lai
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Patent number: 8420866Abstract: The present invention relates to a process for preparing a ketone, comprising the reaction of a composition (I) at least comprising a 1,1-disubstituted olefin, with a composition comprising dinitrogen monoxide, wherein the reaction is effected in the presence of a solvent which comprises at least one proton-donating functional group.Type: GrantFiled: December 14, 2009Date of Patent: April 16, 2013Assignee: BASF SEInventors: Joaquim Henrique Teles, Michael Schelper
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Publication number: 20120323037Abstract: A method for manufacturing a composition including telechelic oligomers the ends of which carry reactive functions, the method including the contacting of at least one waste material containing rubber, preferable tire waste, with a chemical degradation agent selected from cleavage agents that are specific for double bonds; and a transfer agent in the presence of a catalysts; at a temperature from 15 to 400° C., preferably from 17 to 35° C.; at ambient pressure. The composition of oligomers that can be prepared by the method is also described.Type: ApplicationFiled: February 19, 2010Publication date: December 20, 2012Applicants: UNIVERSITE DU MAINE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Jean-Francois Pilard, Irene Campistron, Faten Sadaka, Albert Laguerre
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Publication number: 20110269996Abstract: The present invention relates to a process for preparing a ketone, comprising the reaction of a composition (I) at least comprising a 1,1-disubstituted olefin, with a composition comprising dinitrogen monoxide, wherein the reaction is effected in the presence of a solvent which comprises at least one proton-donating functional group.Type: ApplicationFiled: December 14, 2009Publication date: November 3, 2011Applicant: BASF SEInventors: Joaquim Henrique Teles, Michael Schelper
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Patent number: 7868201Abstract: A process for the oxidation of hydrocarbons comprises contacting the hydrocarbon with an oxygen-containing gas in the presence of a catalyst comprising a microporous solid support, preferably a zeolite, having from 8- to 12-ring open windows and comprising non-framework metal cations selected from manganese, iron, cobalt, vanadium, chromium, copper, nickel, and ruthenium, and mixtures thereof, providing that the oxygen-containing gas does not contain significant amounts of added hydrogen. The catalyst is novel and forms part of the invention. The process may be used for oxidation of alkanes, cycloalkanes, benzene and alkylbenzenes, and is suitable for use in regioselective terminal oxidation of straight chain alkanes and for selective oxidation/separation of p-dialkylbenzenes from an alkylbenzene mixture, for example, p-xylene from an isomeric mixture of xylenes.Type: GrantFiled: July 1, 2005Date of Patent: January 11, 2011Assignee: ExxonMobil Research and Engineering CompanyInventors: Bi-Zeng Zhan, Bjorn Moden, Jihad Dakka, Jose Santiesteban, Sebastian C. Reyes, Enrique Iglesia
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Patent number: 7291755Abstract: The present invention relates to a method for producing an alcohol and/or a ketone from a corresponding alkene(s) in a gas phase in the presence of water vapor by the use of an oxide catalyst. According to the present invention, there is provided a method for producing an alcohol and/or a ketone by bringing a starting material containing an alkene(s), as a gas phase into contact with an oxide catalyst in the presence of water vapor to carry out the reaction, wherein the oxide catalyst satisfies the following requirements: (a) it comprises an oxide(s) of molybdenum and/or tin, and (b) the amount of carbonaceous substances accumulated on the oxide catalyst is controlled to be within a range of 0.1 to 10% by mass, during the reaction.Type: GrantFiled: December 25, 2003Date of Patent: November 6, 2007Assignee: Asahi Kasei Chemicals CorporationInventors: Takashi Tsunoda, Kenji Akagishi, Atusi Watanabe
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Publication number: 20070213565Abstract: The present invention provides a process for the preparation of a mixture of alcohols and ketones by the liquid phase oxidation of isoalkanes to alkyl hydroperoxides with simultaneous transfer of oxygen to alkanes (C8-C20) in presence of oxides alkaline earth metals like magnesium, calcium, barium and strontium and oxides of rare earth metals such as lanthanum, cerium, samarium, neodymium and europium, at a temperature ranging between 110 °-160° C. and air pressure ranging between 10-1500 psig for a period of 0.5-20 h, cooling the reaction mixture to 5° C., separating the products by conventional methods such as distillation. The catalyst reused for several times without affecting its catalytic performance.Type: ApplicationFiled: September 25, 2006Publication date: September 13, 2007Inventors: Deshpande Raj Madhukar, Rane Vilas Hari, Chaudhari Raghunath Vithal
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Patent number: 6740785Abstract: Improved oxidation methods are provided wherein a reaction mixture comprising a substrate to be oxidized (e.g., phenols, alkenes) and an oxidation catalyst (typically dispersed in an organic solvent system) is supplemented with a compressed gas which expands the reaction mixture, thus accelerating the oxidation reaction. In preferred practice pressurized subcritical or supercritical carbon dioxide is used as the expanding gas, which is introduced into the reaction mixture together with an oxidizing agent. The inventive methods improve the substrate conversion and product selectivity by increasing the solubility of the oxidizing agent in the reaction mixture.Type: GrantFiled: July 26, 2002Date of Patent: May 25, 2004Assignee: The University of KansasInventors: Bala Subramaniam, Daryle H. Busch, Ghezai T. Musie, Ming Wei
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Patent number: 6670509Abstract: A process for oxygenating organic substrates such as aliphatic hydrocarbons has been developed. The process involves contacting the organic substrate with oxygen in the presence of a bicyclo imide promoter and a metal co-catalyst. The process is preferably carried out using sulfolane as the solvent. Optionally, the oxygenated product can be hydrogenated to give the corresponding alcohol which can optionally in turn be dehydrated to provide the corresponding olefin.Type: GrantFiled: April 11, 2002Date of Patent: December 30, 2003Assignee: UOP LLCInventors: Paul R. Kurek, David W. House
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Publication number: 20030176733Abstract: The invention relates to a method for oxidizing substrates such as hydrocarbons, waxes or soot. The method involves the use of a compound of formula (I) in which: R1 and R2 represent H, an aliphatic or aromatic alkoxy radical, carboxyl radical, alkoxycarbonyl radical or hydrocarbon radical, each having 1 to 20 hydrocarbon atoms, SO3H, NH2, OH, F, Cl, Br, I and/or NO2, whereby R1 and R2 designate identical or different radicals or R1 and R2 can be linked to one another via a covalent bonding; Q1 and Q2 represent C, CH, N, CR5, each being the same or different; X and Z represent C, S, CH2, each being the same or different; Y represents O and OH; k=0, 1, 2; l=0, 1, 2; m=1 to 3, and; R5 represents one of the meanings of R1. Said compound is used as a catalyst in the presence of a radical initiator, whereby the molar ratio of the catalyst to the hydrocarbon is less than 10 mol %. Peroxy compounds or azo compounds can be used as the radical initiator.Type: ApplicationFiled: January 15, 2003Publication date: September 18, 2003Inventors: Adolf Knhle, Mark Duda, Carsten Jost, Guido Fries, Jochen Kirchhoff, Thomas Schiffer
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Patent number: 6534436Abstract: The invention relates to catalysts comprising cobalt supported on a solid silica support and, in particular, to a method for manufacturing such catalysts. The catalysts may be prepared by slurrying a silica powder or impregnating a silica particle with a solution of a cobalt compound, cobalt amine carbonate, and aging the resulting slurry or solid at elevated temperature; the cobalt amine carbonate is decomposed and precipitated as basic cobalt carbonate onto the silica support. Preferably, the catalysts have a cobalt surface area in the range of 25 to >100 m2 per gram total cobalt. The catalyst may be used in hydrogenation reactions, Fischer-Tropsch reactions and oxidation reactions.Type: GrantFiled: July 26, 2002Date of Patent: March 18, 2003Assignee: Imperial Chemical Industries PLCInventors: Cornelis M Lok, Stephen Bailey, Gavin Gray
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Patent number: 6479707Abstract: The present invention provides a process for producing 2-butanone and 2-butanol under comparatively mild conditions with a decreased number of steps by direct oxidization of a hydrocarbon, which is cheaper than butenes, as a raw material using molecular oxygen such as air. The process for producing 2-butanone and 2-butanol comprises directly oxidizing n-butane using molecular oxygen in the presence of aluminum phosphate containing transition metal atoms and a selectivity-improving agent, as required.Type: GrantFiled: December 12, 2001Date of Patent: November 12, 2002Assignee: Maruzen Petrochemical Co., Ltd.Inventors: Hideki Omori, Kazuhiko Haba
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Publication number: 20020165416Abstract: A process of the present invention produces an organic compound by allowing a compound containing an electron attractive group of following Formula (1): 1Type: ApplicationFiled: November 9, 2001Publication date: November 7, 2002Inventors: Yasutaka Ishii, Takahiro Iwahama, Satoshi Sakaguchi, Tatsuya Nakano
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Patent number: 6448454Abstract: Improved oxidation methods are provided wherein a reaction mixture comprising a substrate to be oxidized (e.g., phenols, alkenes) and an oxidation catalyst (typically dispersed in an organic solvent system) is supplemented with a compressed gas which expands the reaction mixture, thus accelerating the oxidation reaction. In preferred practice pressurized subcritical or supercritical carbon dioxide is used as the expanding gas, which is introduced into the reaction mixture together with an oxidizing agent. The inventive methods improve the substrate conversion and product selectivity by increasing the solubility of the oxidizing agent in the reaction mixture.Type: GrantFiled: April 7, 2000Date of Patent: September 10, 2002Assignee: The University of KansasInventors: Bala Subramaniam, Daryle H. Busch, Ghezai T. Musie, Ming Wei