Hydride Or Organic Compound Or Complex Containing Alkaline-, B-, Or Zn Group Material Patents (Class 585/521)
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Patent number: 11964925Abstract: Provided is a method for preparing an oligomer including: supplying a monomer stream and a solvent stream to a reactor to perform an oligomerization reaction to prepare a reaction product; supplying a discharge stream from the reactor including the reaction product to a separation device and supplying a lower discharge stream from the separation device to a settling tank; adding an organic flocculant to the settling tank to settle and remove a polymer and supplying the lower discharge stream from the separation device from which the polymer is removed to a high boiling point separation column; and removing a high boiling point material from the lower portion in the high boiling point separation column and supplying an upper discharge stream including an oligomer to a solvent separation column.Type: GrantFiled: January 10, 2022Date of Patent: April 23, 2024Assignee: LG Chem, Ltd.Inventors: Kyung Seog Youk, Jong Hun Song, Min Ho Sun, Hong Min Lee, Hyun Seok Kim, Moon Sub Hwang, Jeong Seok Lee
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Patent number: 11739277Abstract: Organic sulfur compounds which are generally present in the crude oil undergoes various transformations while processing the crude oil in the secondary processing units such as fluid catalytic cracker, hydrocracker, delayed coker, visbreaker, etc. The sulfur present in the feed which enters into these secondary processing units are distributed into various products coming out of the units. Sulfur compounds which are present in the various product fractions are removed to meet the desired specifications before routing to the final product pool. Conventionally, sulfur present in the LPG has been removed by amine treatment followed by caustic and water wash. The present invention relates to a process for removal of sulfur and other impurities from Liquefied Petroleum Gas (LPG) comprising olefins through reactive desulfurization route. The present invention is an eco-friendly process as it minimizes or eliminates the use of caustic which is conventionally used to remove the sulfur from LPG.Type: GrantFiled: March 17, 2021Date of Patent: August 29, 2023Assignee: Indian Oil Corporation LimitedInventors: Saravanan Subramani, Vimal Kumar Upadhyay, Prosenjit Maji, Reshmi Manna, Vatsala Sugumaran, Mahalingam Vanamamalai, Madhusudan Sau, Gurpreet Singh Kapur, Sankara Sri Venkata Ramakumar
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Patent number: 11535577Abstract: The present disclosure relates to a process and a production unit that are used to catalytically manufacture olefin trimers from olefin monomers, and wherein olefin dimers are recycled after dimerization reaction, and reacted with olefin monomers in an addition reaction.Type: GrantFiled: November 12, 2021Date of Patent: December 27, 2022Assignee: NESTE OYJInventors: Antti Pyhälahti, Jaana Kanervo
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Patent number: 11512031Abstract: Linear alpha olefins (LAOS) may be formed by oligomerization of ethylene in the presence of a Ziegler-type catalyst. The presence of trace water during oligomerization can result in unwanted formation of insoluble higher oligomers or polymer. Methods for limiting the presence of water during ethylene oligomerization reactions may include separating residual ethylene and 1-butene from an LAO product stream to form a higher LAO-enriched stream comprising C6+ LAOs, separating 1-hexene as an overhead stream from the higher-LAO enriched stream using a first distillation column, obtaining separated solvent as a side stream from the first distillation column or as a side stream from a first of one or more downstream distillation columns, and returning the separated solvent to a reactor in a recycled solvent stream. The recycled solvent stream passes through one or more driers before returning to the reactor.Type: GrantFiled: November 14, 2019Date of Patent: November 29, 2022Assignee: ExxonMobil Chemical Patents Inc.Inventors: Paul Hamilton, Terrance C. Osby, Brian W. Heins
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Patent number: 10919819Abstract: Provided is a method for oligomerization of ethylene, and more particularly, a method for producing 1-hexene and 1-octene at a high selectivity under an ethylene atmosphere by inducing a remarkably improved catalytic activity while effectively reducing a production amount of polyethylene by introducing the oligomerization catalyst and a cocatalyst mixture containing at least two aluminums together and adjusting the kind of oligomerization catalyst and injection conditions thereof.Type: GrantFiled: July 5, 2017Date of Patent: February 16, 2021Assignees: SK Innovation Co., Ltd., SK Global Chemical Co., Ltd.Inventors: Sudevan Sujith, So Hee Sim, Hyo Seung Park, Sun Young Kim, Sang Ick Lee, Han Sol Lee
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Patent number: 10647626Abstract: A composition comprising olefin oligomers of one or more olefin monomers, the olefin monomers comprising a branched C10 olefin monomer comprising i) 3-propyl-1-heptene, ii) 4-ethyl-1-octene, iii) 5-methyl-1-nonene, or iv) any combination thereof. A composition comprising substantially hydrogenated olefin oligomers, wherein the olefin oligomers are oligomers of one or more olefin monomers, the olefin monomers comprising a branched C10 olefin monomer comprising i) 3-propyl-1-heptene, ii) 4-ethyl-1-octene, iii) 5-methyl-1-nonene, or iv) any combination thereof. A process comprising a) contacting 1) a catalyst system and 2) a monomer feedstock comprising a branched C10 olefin monomer comprising i) 3-propyl-1-heptene, ii) 4-ethyl-1-octene, iii) 5-methyl-1-nonene, or iv) any combination thereof in a reaction zone; and b) forming olefin oligomers.Type: GrantFiled: July 12, 2016Date of Patent: May 12, 2020Assignee: Chevron Phillips Chemical Company LPInventors: Robert C. Coffin, Steven M. Bischof, Lauren M. Kattchee, Kenneth M. Lassen, Jason L. Kreider
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Patent number: 10647630Abstract: A process for the combined preparation of at least butene and octene from ethane, proceeds by a) providing an inert solvent having a boiling point or boiling range below the boiling point of butene; b) providing a first feed mixture comprising at least the inert solvent and ethene dissolved therein; c) converting the first feed mixture in a first synthesis; d) in the first synthesis, oligomerizing at least a portion of the ethene present in the first feed mixture in the presence of a first heterogeneous catalyst and in the presence of the inert solvent to obtain a first reaction mixture comprising at least the inert solvent, butene, hexene and octene; e) working-up of the first reaction mixture and/or a substance stream based thereon into a low boiler fraction comprising the inert solvent, at least one C4-fraction comprising butenes, a C6-fraction comprising hexenes, a C8-fraction comprising octenes and into a C8+-fraction comprising hydrocarbons having more than eight carbon atoms; f) using at least a portioType: GrantFiled: January 19, 2016Date of Patent: May 12, 2020Assignee: Evonik Operations GmbHInventors: Guido Stochniol, Stephan Peitz, Dietrich Maschmeyer, Helene Reeker, Joerg Schallenberg
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Patent number: 10435491Abstract: Disclosed herein are embodiments of a process which generally includes contacting i) a monomer or mixture of monomers, ii) a haloaluminate ionic liquid, and iii) one or more halide components in a reaction zone, and oligomerizing the monomer or mixture of monomers in the reaction zone to form an oligomer product. The combination of the haloaluminate ionic liquid and halide component can constitute a catalyst system which is used in embodiments of the process to produce the oligomer product.Type: GrantFiled: August 19, 2015Date of Patent: October 8, 2019Assignee: Chevron Phillips Chemical Company LPInventors: Steven M. Bischof, Robert C. Coffin, Kenneth D. Hope, Michael S. Driver, Hye-Kyung Timken
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Patent number: 10414698Abstract: Disclosed herein are processes, systems, and reaction systems for the oligomerization of ethylene to form an ethylene oligomer product in a reaction zone using a catalyst system having i) a chromium component comprising a heteroatomic ligand chromium compound complex of the type disclosed herein, and ii) an aluminoxane. A C3+ olefin can be present in the reaction zone for a period of time, where the C3+ olefin is not an ethylene oligomer formed in-situ within the reaction zone.Type: GrantFiled: May 27, 2016Date of Patent: September 17, 2019Assignee: Chevron Phillips Chemical Company LPInventors: Jared T. Fern, Orson L. Sydora, Uriah J. Kilgore, Steven M. Bischof, Eric R. Fernandez
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Patent number: 10329212Abstract: Disclosed are processes, systems, and reaction systems for the oligomerization of ethylene to form an ethylene oligomer product in a reaction zone using a catalyst system comprising (a) a chromium component comprising an N2-phosphinyl amidine chromium compound complex, an N2-phosphinyl formamidine chromium compound complex, an N2-phosphinyl guanidine chromium compound complex, or any combination thereof, and (b) an aluminoxane. A C3+ olefin can be present in the reaction zone for a period of time, where the C3+ olefin is not an ethylene oligomer formed in-situ within the reaction zone.Type: GrantFiled: May 27, 2016Date of Patent: June 25, 2019Assignee: Chevron Phillips Chemical Company LPInventors: Jared T. Fern, Orson L. Sydora, Uriah J. Kilgore, Steven M. Bischof, Eric R. Fernandez
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Patent number: 10183899Abstract: The present invention discloses processes for producing normal alpha olefins, such as 1-hexene, 1-octene, and 1-decene, in a multistep synthesis scheme. Generally, a first normal alpha olefin is subjected to an olefin metathesis step to form a linear internal olefin, which is then subjected to an isomerization-hydroformylation step to form a linear aldehyde, which is then subjected to a dehydroformylation step to form a second normal alpha olefin.Type: GrantFiled: November 10, 2016Date of Patent: January 22, 2019Assignee: Chevron Phillips Chemical Company LPInventor: Steven M. Bischof
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Patent number: 9759830Abstract: A formation fluid sample is analyzed using NMR spectroscopy to obtain a NMR spectrum. The NMR spectrum is then analyzed to find evidence of the amount of olefins present in the sample. The amount of olefins present in the sample can then be correlated to the level of contamination of the sample. In one embodiment, a 1H chemical shift of between substantially 4.5 and 6 ppm is used to identify olefins present in the sample. In another embodiment, a 1H chemical shift of substantially 1.9 to 2.1 ppm is used to identify olefins present in the sample. The NMR spectral equipment can be located uphole or downhole.Type: GrantFiled: October 30, 2013Date of Patent: September 12, 2017Assignee: Schlumberger Technology CorporationInventors: A. Ballard Andrews, Soraya S. Betancourt, Andrew E. Pomerantz, Soumyajit Mandal, Yi-Qiao Song
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Patent number: 9631158Abstract: Disclosed are processes for forming an oligomer product by contacting a feedstock olefin containing trisubstituted olefins with a solid acid catalyst. The oligomer product can be formed at an oligomerization temperature in a range from ?20° C. to 40° C. Polyalphaolefins produced from the oligomer product can have reduced viscosities at low temperatures.Type: GrantFiled: December 12, 2014Date of Patent: April 25, 2017Assignee: Chevron Phillips Chemical Company LPInventors: Hu Yang, Kenneth D. Hope, Jeff C. Gee
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Patent number: 8957270Abstract: A process for producing a base for a fuel from a C2 ethanol feedstock, by a first stage for oligomerization of the feedstock into a hydrocarbon effluent that contains a mixture of olefins for the most part having between 4 and 30 carbons, and contains a C10-C24 fraction that has a mean linearity that is greater than 60%, in the presence of a homogeneous catalytic system that contains a metal precursor of titanium, zirconium, hafnium, nickel and/or iron, a second stage for oligomerization of a portion of the effluent that is obtained from stage a), into a hydrocarbon effluent that contains a mixture of olefins for the most part having between 4 and 30 carbon atoms, and containing a C10-C24 fraction that has a mean linearity that is less than 50%, in the presence of a homogeneous catalytic system.Type: GrantFiled: May 6, 2011Date of Patent: February 17, 2015Assignee: IFP Energies NouvellesInventors: Sandrine Berard, Stephane Harry, Natacha Touchais, Lionel Magna, Helene Olivier-Bourbigou, Cedrik Popelin, David Proriol, Lucien Saussine
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Patent number: 8921291Abstract: This invention discloses an improved process which employs mixed alpha-olefins as feed over activated metallocene catalyst systems to provide essentially random liquid polymers particularly useful in lubricant components or as functional fluids.Type: GrantFiled: July 14, 2006Date of Patent: December 30, 2014Assignee: ExxonMobil Chemical Patents Inc.Inventors: Margaret M. Wu, Norman Yang, Phil Surana, Anura Patil, Steven P. Rucker, Kuangnan Qian, Shakeel Tirmizi, Mark P. Hagemeister
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Patent number: 8865959Abstract: A process for the preparation of oligomeric poly alpha-olefins includes oligomerizing low molecular weight PAO oligomer in the presence of a Lewis acid catalyst such as promoted aluminum trichloride or boron trifluoride under oligomerization conditions. The low molecular weight PAO oligomers used as a feed or feed component of the present process are the light olefinic by-product fractions including the dimers and light fractions from the metallocene-catalyzed PAO oligomerization process which are characterized by a molecular weight of 150 to 600 and a terminal olefin (vinylidene) content of at least 25%.Type: GrantFiled: March 4, 2009Date of Patent: October 21, 2014Assignee: ExxonMobil Chemical Patents Inc.Inventors: Abhimanyu Onkar Patil, Margaret May-Som Wu, Norman Yang
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Patent number: 8816146Abstract: Methods for dimerizing alpha-olefins utilizing immobilized buffered catalysts wherein a buffered ionic liquid is mixed with an organometallic complex of the formula: where M is selected from the group of Ti, Zr, Hg, Ni, and V and R and R? are selected from the group consisting of hydrogen, alkyl, aryl, alkenyl, alkynyl, alkyloxy, substituted aryl, and halogens, are provided.Type: GrantFiled: July 1, 2010Date of Patent: August 26, 2014Assignee: Phillips 66 CompanyInventors: Tanja Englmann, Christine Denner, Helmut G. Alt, Roland Schmidt, Matthias Dötterl
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Patent number: 8778827Abstract: The present invention relates to a catalyst composition comprising: (a) a binuclear chromium(II) complex; (b) a ligand of the general structure (A) R1R2P—N(R3)—P(R4)—N(R5)—H or (B) R1R2P—N(R3)—P(R4)—N(R5)—PR6R7, wherein R1, R2, R3, R4, R5, R6 and R7 are independently selected from halogen, amino, trimethylsilyl, C1-C10-alkyl, aryl and substituted aryl, wherein the PNPN- or PNPNP-unit is optionally part of a ring system; and (c) an activator or co-catalyst, as well as to a process for oligomerization of ethylene.Type: GrantFiled: November 5, 2008Date of Patent: July 15, 2014Assignees: Saudi Basic Industries Corporation, Linde AGInventors: Vugar Aliyev, Mohammed Al-Hazmi, Fuad Mosa, Peter M. Fritz, Heinz Bölt, Anina Wöhl, Wolfgang Müller, Florian Winkler, Anton Wellenhofer, Uwe Rosenthal, Bernd H. Müller, Marko Hapke, Normen Peulecke
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Patent number: 8664460Abstract: The application discloses novel processes for the oligomerization of unsaturated hydrocarbons, and more specifically the use of selected ionic liquids containing Indium (III) Chloride in the oligomerization of unsaturated hydrocarbons, which allows for selection of the oligomers formed.Type: GrantFiled: December 12, 2006Date of Patent: March 4, 2014Assignee: The Queen's University of BelfastInventors: Martyn John Earle, Johanna Kärkkäinen, Natalia V. Plechkova, Alina Tomaszowska, Kenneth Richard Seddon
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Patent number: 8653316Abstract: The present invention relates to a process for the preparation of linear low molecular weight alpha-olefins having 4 to 24 carbon atoms, comprising oligomerizing ethylene in an inert solvent in the presence of a catalyst system comprising: (i) zirconium carboxylate of the formula (R1COO)mZrCl4-m, wherein R1 is saturated or unsaturated aliphatic C1-C10 hydrocarbon or aromatic C6-C14 hydrocarbon and m fulfills 1?m?4, (ii) at least one aluminum compound selected from organoaluminum compounds of the formula R2nAlX3-n, wherein R2 is C1-C20 alkyl, X is chlorine, bromine or iodine, and n fulfills 1?n?2, and/or aluminoxanes, and (iii) at least two different additives selected from the group consisting of hydrogen, esters, ketones, ethers, amines, anhydrides, phosphines and sulfur compounds; as well as to a catalyst used therein.Type: GrantFiled: August 10, 2006Date of Patent: February 18, 2014Assignee: Saudi Basic Industries CorporationInventors: Vugar O. Aliyev, Atieh Abu-Raqabah, Mohammad Zahoor
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Patent number: 8637721Abstract: The present invention relates to a catalyst composition and a process for di-, tri- and/or tetramerization of ethylene, wherein the catalyst composition comprises a chromium compound, a ligand of the general structure (A) R1R2P—N(R3)—P(R4)—N(R5)—H or (B) R1R2P—N(R3)—P(R4)—N(R5)—PR6R7, or any cyclic derivatives of (A) and (B), wherein at least one of the P or N atoms of the PNPN-unit or PNPNP-unit is member of a ring system, the ring system being formed from one or more constituent compounds of structures (A) or (B) by substitution and a co-catalyst or activator.Type: GrantFiled: June 16, 2008Date of Patent: January 28, 2014Assignees: Saudi Basic Industries Corporation, Linde AGInventors: Peter M. Fritz, Heinz Bölt, Anina Wöhl, Wolfgang Müller, Florian Winkler, Anton Wellenhofer, Uwe Rosenthal, Bernd H. Müller, Marko Hapke, Normen Peulecke, Mohammed Hassan Al-Hazmi, Vugar O. Aliyev, Fuad Mohammed Mosa
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Patent number: 8618342Abstract: A process for the production of a mixture of alkylbenzenes in the presence of an aromatic feedstock and an olefinic stream produced from an ethylene feedstock is described, with said process comprising at least: a) A first stage for oligomerization of said ethylene feedstock that consists of at least one hydrocarbon effluent that comprises a mixture of olefins having a number of carbon atoms that is for the most part between 4 and 30, whereby said mixture of olefins comprises a C10-C24 olefinic fraction that has a mean linearity that is greater than 60%, in the presence of a homogeneous catalytic system, b) A second stage for oligomerization of the effluent that is obtained from said stage a) that consists of at least one hydrocarbon effluent that comprises a mixture of olefins having a number of carbon atoms that is for the most part between 4 and 30, whereby said mixture of olefins comprises a C10-C24 olefinic fraction that has a mean linearity that is less than 50%, in the presence of a homogeneous cataType: GrantFiled: May 5, 2011Date of Patent: December 31, 2013Assignee: IFP Energies nouvellesInventors: Emmanuelle Guillon, Eric Sanchez
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Patent number: 8598394Abstract: The present invention relates to poly alpha-olefins (PAO's) which exhibit superior Noack volatility at low pour points. The poly alpha-olefin is prepared from an olefin feed comprised of a blend of octene, decene, and dodecene, the feed comprising at least 10 weight % octene and at least 30 weight % dodecene. The process includes both synthesis and distillation of the olefin and oligomerization olefin. The oligomerized olefin feed yields at least 50% low viscosity PAO having a nominal viscosity at 100° C. of about 4 cSt.Type: GrantFiled: June 30, 2008Date of Patent: December 3, 2013Assignee: ExxonMobil Chemical Patents Inc.Inventors: Maria Caridad Brillantes Goze, Phil Surana, Norman Yang
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Publication number: 20130317265Abstract: This disclosure provides for alpha olefin oligomers and polyalphaolefins (or PAOs) and methods of making the alpha olefin oligomers and PAOs. This disclosure encompasses metallocene-based alpha olefin oligomerization catalyst systems, including those that include at least one metallocene and an activator comprising a solid oxide chemically-treated with an electron withdrawing anion. The alpha olefin oligomers and PAOs prepared with these catalyst systems can have a high viscosity index combined with a low pour point, making them particularly useful in lubricant compositions and as viscosity modifiers.Type: ApplicationFiled: July 31, 2013Publication date: November 28, 2013Applicant: Chevron Phillips Chemical Company LPInventors: Brooke L. Small, Kenneth D. Hope, Qing Yang, Albert P. Masino, Max P. McDaniel, Richard M. Buck, William B. Beaulieu, Eduardo J. Baralt, Eric J. Netemeyer, Bruce Kreischer
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Patent number: 8536391Abstract: This disclosure provides for alpha olefin oligomers and polyalphaolefins (or PAOs) and methods of making the alpha olefin oligomers and PAOs. This disclosure encompasses metallocene-based alpha olefin oligomerization catalyst systems, including those that include at least one metallocene and an activator comprising a solid oxide chemically-treated with an electron withdrawing anion. The alpha olefin oligomers and PAOs prepared with these catalyst systems can have a high viscosity index combined with a low pour point, making them particularly useful in lubricant compositions and as viscosity modifiers.Type: GrantFiled: June 15, 2010Date of Patent: September 17, 2013Assignee: Chevron Phillips Chemical Company LPInventors: Brooke L. Small, Kenneth D. Hope, Qing Yang, Albert P. Masino, Max P. McDaniel, Richard M. Buck, William B. Beaulieu, Eduardo J. Baralt, Eric J. Netemeyer, Bruce Kreischer
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Patent number: 8513478Abstract: Liquid poly-alpha-olefins having a KV100 of 2 to 6000 cSt, 20 weight percent dimer or less and a viscosity index of 60 or more are obtained by contacting in a reaction zone, in the presence of from 0 to 60 psi hydrogen, C3 to C20 alpha-olefin monomers with a non-coordinating anion activator, a single bridged meso-metallocene transition metal compound having less than about 35 wt % racemic isomer, and a co-activator. The molar ratio of activator to meso-metallocene is from 10:1 to 0.1:1, and the alpha-olefin monomers in the feed components are present in at least 20 wt % or more based upon the weight of the meso-metallocene, non-coordinating anion activator, co-activator, monomers, and solvent or diluent. The productivity of the process is at least 50,000 g of total product per gram of transition metal compound and no more than 5% monomer is converted from olefin to alkane.Type: GrantFiled: August 1, 2007Date of Patent: August 20, 2013Assignee: ExxonMobil Chemical Patents Inc.Inventors: Margaret M. Wu, Mark P. Hagemeister, Norman Yang
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Publication number: 20130211168Abstract: The invention relates to a catalytic composition that comprises at least one precursor of iron or cobalt, at least one organic ligand, and an activating agent that consists of at least one derivative of aluminum and at least one organic compound having at least one alcohol group and/or at least one amine group, and in which the molar ratio between the aluminum and the alcohol and/or amine group number present in said organic compound of said activating agent is preferably greater than or equal to 1. The invention also relates to a process for oligomerization of olefins using said catalytic composition.Type: ApplicationFiled: February 8, 2013Publication date: August 15, 2013Applicant: IFP ENERGIES NOUVELLESInventor: IFP ENERGIES NOUVELLES
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Patent number: 8487153Abstract: Methods for dimerizing alpha-olefins utilizing immobilized buffered catalysts wherein a buffered ionic liquid is mixed with an organometallic complex of the formula: where X is a halogen, n=2 or 3, M=Ti, V, Cr, Mn, Fe, Co and Ni and R1, R2, R3 and R4 are selected from the group consisting of hydrogen, alkyl, aryl, alkenyl, alkynyl, alkyloxy, substituted aryl, and X are provided. A method for dimerizing alpha-olefins utilizing the immobilized buffered catalysts and a co-catalyst is also provided.Type: GrantFiled: July 1, 2010Date of Patent: July 16, 2013Assignee: Phillips 66 CompanyInventors: Matthias Dötterl, Roland Schmidt, Tanja Englmann, Christine Denner, Helmut G. Alt
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Publication number: 20130178679Abstract: Continuous preparation of polyisobutylene having a content of terminal double bonds of more than 50% by polymerizing isobutene in the presence of a polymerization catalyst customary therefor, by combining a technical 1-butene-, 2-butene- and isobutene-containing C4 hydrocarbon stream together with a stream of pure isobutene and feeding them into the reaction zone in such a way that the steady-state concentration of the isobutene in the combined stream at the feed point of the combined stream into the reaction zone has an average value of at least 40% by weight, and a polymerization plant therefor.Type: ApplicationFiled: January 7, 2013Publication date: July 11, 2013Inventors: Thomas WETTLING, Stefan Hirsch, Markus Brym, Markus Weis
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Patent number: 8481444Abstract: Catalyst composition for the oligomerization of ethylene, comprising (i) an at least partially hydrolyzed transition metal compound, obtainable by controlled addition of water to a transition metal compound having the general formula MXm(OR?)4-m or MXm(OOCR?)4-m, wherein R? is an alkyl, alkenyl, aryl, aralkyl or cycloalkyl group, X is halogen, preferably Cl or Br, and m is from 0 to 4; preferably 0-3; and (ii) an organoaluminum compound as a cocatalyst, wherein the molar ratio of water and transition metal compound is within a range of between about (0.01-3):1; a process for oligomerization of ethylene and a method for preparing the catalyst composition.Type: GrantFiled: November 13, 2008Date of Patent: July 9, 2013Assignee: Saudi Basic Industries CorporationInventors: Vugar Aliyev, Fuad Mosa, Mohammed Al-Hazmi
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Patent number: 8461406Abstract: According to the present invention there is provided a process for producing an oligomeric product by the oligomerisation of at least one olefinic compound including: A) providing an activated oligomerisation catalyst comprising the combination of: i) a source of a transition metal; ii) a ligating compound of the formula (R1)mX1(Y)X2(R2)n iii) a metal containing activator; and (iv) at least one olefinic compound; B) diluting the activated oligomerisation catalyst of A with an introduced liquid medium; and C) contacting the at least one olefinic compound to be oligomerised with the diluted activated catalyst of B to produce an oligomeric product.Type: GrantFiled: July 10, 2006Date of Patent: June 11, 2013Assignee: Sasol Technology (PTY) LimitedInventors: Matthew James Overett, Kevin Blann, Esna Killian, David Hedley Morgan, Hulisani Maumela, Annette Bollmann, John Thomas Dixon
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Patent number: 8395007Abstract: A renewable biofuel based on a highly efficient batch catalysis methodology for conversion of 1-butene to a new class of potential jet fuel blends. By tuning the catalyst and then using the dimer produced, the carbon use is about 95% or greater.Type: GrantFiled: July 29, 2009Date of Patent: March 12, 2013Assignee: The United States of America as represented by the Secretary of the NavyInventors: Michael E. Wright, Benjamin G. Harvey, Roxanne L. Quintana
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Patent number: 8350107Abstract: A process for converting alcohol feedstocks to diesel/turbine fuels.Type: GrantFiled: April 27, 2011Date of Patent: January 8, 2013Assignee: The United States of America as Represented by the Secretary of the NavyInventors: Benjamin G. Harvey, Michael E. Wright
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Patent number: 8344196Abstract: A process from converting alcohol feedstock to diesel/turbine fuels.Type: GrantFiled: April 27, 2011Date of Patent: January 1, 2013Assignee: The United States of America as represented by the Secretary of the NavyInventors: Benjamin G. Harvey, Michael E. Wright
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Publication number: 20120302809Abstract: Higher molecular weight linear ?-olefins are produced by the oligomerization of ethylene using certain iron complexes of 2,6-diacylpyridinedimimines or 2,6-pyridinedicarboxaldehydedimines as catalysts. These iron complexes are more sterically hindered than those heretofore used. The resulting ?-olefins are useful as comonomers in olefin polymerizations.Type: ApplicationFiled: March 28, 2011Publication date: November 29, 2012Applicant: E.I. Dupont De Nemours and CompanyInventors: Joel David Citron, Alex Sergey Ionkin
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Patent number: 8319001Abstract: A process for reacting an iso-pentane, comprising: a) partially converting an olefinic feedstock comprising at least 15 wt % iso-pentene to make a converted olefinic feedstock, wherein the iso-pentene is reduced and an amount of 2-pentene is retained; and b) alkylating the iso-pentane with the converted olefinic feedstock to make a naphtha and a middle distillate.Type: GrantFiled: June 29, 2012Date of Patent: November 27, 2012Assignee: Chevron U.S.A. Inc.Inventor: Sven Hommeltoft
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Patent number: 8319000Abstract: A process for reacting an iso-pentane, comprising: alkylating the iso-pentane with a converted olefinic feedstock comprising at least 5 wt % C5 olefins, wherein the C5 olefins in the converted olefinic feedstock are predominantly 2-pentene, to make a naphtha and a middle distillate, and wherein a formation of iso-butane during the alkylating is less than 35 wt % of an amount of olefins in the converted olefinic feedstock.Type: GrantFiled: June 29, 2012Date of Patent: November 27, 2012Assignee: Chevron U.S.A. Inc.Inventor: Sven Hommeltoft
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Patent number: 8299311Abstract: A process for reacting an iso-pentane with an olefinic feedstock, comprising: a) partially converting one or more olefins in the olefinic feedstock with an ionic liquid catalyst to make a converted olefinic feedstock, wherein linear internal olefins remain unconverted; and b) alkylating the converted olefinic feedstock with the iso-pentane. A process, comprising: alkylating an iso-pentane with a converted olefinic feedstock comprising at least 5 wt % C5 olefins, wherein the C5 olefins in the converted olefinic feedstock are predominantly 2-pentene, to make a naphtha and a middle distillate, and wherein a formation of iso-butane during the alkylating is low. Also a process, comprising: a) partially converting an olefinic feedstock comprising at least 15 wt % iso-pentene to make a converted olefinic feedstock, wherein the iso-pentene is reduced and an amount of 2-pentene is retained; and b) alkylating the iso-pentane with the converted olefinic feedstock to make a naphtha and a middle distillate.Type: GrantFiled: November 30, 2009Date of Patent: October 30, 2012Assignee: Chevron U.S.A. Inc.Inventor: Sven Ivar Hommeltoft
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Patent number: 8288601Abstract: A process for reacting an iso-alkane, comprising: a) partially converting one or more olefins in an olefinic feedstock to make a converted olefinic feedstock, wherein the converting is different from isomerization; b) isolating from the converted olefinic feedstock: i. an enriched feed that has linear internal olefins, and ii. products having a boiling point of 150° C. or higher; and c) alkylating the iso-alkane with the enriched feed to make an alkylate gasoline blending component.Type: GrantFiled: May 14, 2012Date of Patent: October 16, 2012Assignee: Chevron U.S.A. Inc.Inventors: Sven Ivar Hommeltoft, Hye Kyung Cho Timken, Steve Sarup Mathur
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Patent number: 8269055Abstract: The present invention relates to a method for the deactivation of an organometallic catalyst in the product stream from an oligomerization reactor for the production of linear alpha-olefin, characterized in that the catalyst-containing product stream of the reactor is subjected to a temperature of at least 160° C. in a heating device. A reactor system for the method of the invention is also disclosed.Type: GrantFiled: June 13, 2006Date of Patent: September 18, 2012Assignees: Saudi Basic Industries Corporation, Linde AGInventors: Peter Fritz, Heinz Bölt, Fuad Mosa, Talal Ali
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Patent number: 8258361Abstract: The invention provides transition metal complex compounds, high-activity olefin oligomerization catalysts containing the compounds, and olefin oligomerization processes using the catalysts. A transition metal complex compound [A] according to the invention is represented by Formula (I) or Formula (I?) below. An olefin oligomerization catalyst includes the transition metal complex compound [A]. In an olefin oligomerization process of the invention, an olefin is oligomerized in the presence of the catalyst.Type: GrantFiled: June 27, 2008Date of Patent: September 4, 2012Assignee: Mitsui Chemicals, Inc.Inventors: Yasuhiko Suzuki, Shinsuke Kinoshita, Atsushi Shibahara, Naritoshi Yoshimura, Isao Hara, Tetsuya Hamada, Kazumori Kawamura, Kou Tsurugi, Yasunori Saito, Seiichi Ishii, Yasushi Nakayama, Naoto Matsukawa, Susumu Murata
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Patent number: 8247628Abstract: A process for reacting an iso-alkane, comprising: a) partially converting one or more olefins in an olefinic feedstock with an ionic liquid catalyst to make a converted olefinic feedstock; and b) alkylating the iso-alkane with the converted olefinic feedstock, wherein a reaction heat that is evolved during the alkylating is at least 20% less than if the alkylating step is done with the iso-alkane and the olefinic feedstock without the partially converting step. Also, a process for reacting an iso-alkane, comprising: a) partially converting one or more olefins in an olefinic feedstock to make a converted olefinic feedstock, wherein the converting is different from isomerization; b) isolating from the converted olefinic feedstock: i. an enriched feed that has linear internal olefins, and ii. products having a boiling point of 150° C. or higher; and c) alkylating the iso-alkane with the enriched feed to make an alkylate gasoline blending component.Type: GrantFiled: November 30, 2009Date of Patent: August 21, 2012Assignee: Chevron U.S.A. Inc.Inventors: Sven Ivar Hommeltoft, Hye-Kyung C. Timken, Steve S. Mathur
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Patent number: 8242319Abstract: A process from converting alcohol feedstock to diesel/turbine fuels.Type: GrantFiled: April 27, 2011Date of Patent: August 14, 2012Assignee: The United States of America as represented by the Secretary of the NavyInventors: Benjamin G. Harvey, Michael E. Wright
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Publication number: 20120172645Abstract: This disclosure provides for a process for preparing a catalyst system comprising a) contacting a metal compound, a diphosphino aminyl ligand metal complex, and a metal alkyl for a time period to form a mixture; and b) aging the mixture. The disclosure also provides for olefin oligomerization process comprising: a) contacting i) a metal compound, ii) a diphosphino aminyl ligand, and iii) a metal alkyl to form a mixture; b) aging the mixture; c) contacting the aged mixture with an olefin monomer; and d) forming an olefin oligomer product.Type: ApplicationFiled: December 29, 2010Publication date: July 5, 2012Applicant: CHEVRON PHILLIPS CHEMICAL COMPANY LPInventor: Orson L. Sydora
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Patent number: 8207389Abstract: We provide a process for making a base oil, comprising: oligomerizing an olefin feed comprising propylene and propane with an ionic liquid catalyst at a temperature from 0° C. to 150° C. to make a base oil having: i. from 45 to 70 wt % hydrocarbons boiling at 482° C. (900° F.) or higher, ii. a viscosity index from 25 to 90, and iii. a cloud point less than ?25° C.Type: GrantFiled: November 14, 2011Date of Patent: June 26, 2012Assignee: Chevron U.S.A. Inc.Inventors: Saleh Elomari, Stephen Joseph Miller
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Patent number: 8207390Abstract: A low viscosity poly(alpha-olefin) (PAO) is produced by contacting one or more C3 to C24 alpha-olefins with an unbridged, substituted bis-cyclopentadienyl transition metal compound, a non-coordinating anion activator, and an alkyl-aluminum compound. The molar ratio of transition metal compound to activator is 10:1 to 0.1:1 and the molar ratio of alkyl aluminum compound to transition metal compound is 1:4 to 4000:1. The transition metal compound has either (a) at least one non-isoolefin substitution on both cyclopentadienyl rings, or (b) at least two substitutions on at least one cyclopentadienyl ring. The PAO is comprised of at least 50 mole % of C3 to C24 alpha-olefins, has a Mw/Mn between 1 and 1.4, and a kinematic viscosity at 100° C. of 20 cSt or less.Type: GrantFiled: July 19, 2006Date of Patent: June 26, 2012Assignee: ExxonMobil Chemical Patents Inc.Inventors: Margaret May-Som Wu, Catalina L. Coker, John F. Walzer, Jr., Peijun Jiang
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Patent number: 8203026Abstract: We provide a process for making a base oil, comprising: mixing one or more longer chain alpha olefins comprising C6+ olefins with an olefin feed comprising propylene to make a mixed olefin feed; and oligomerizing the mixed olefin feed using an acidic chloroaluminate ionic liquid catalyst to form an oligomer; wherein the oligomer is a base oil that has: i. a kinematic viscosity at 100° C. greater than 10 mm2/s; ii. a viscosity index from 50 to 90; iii. a pour point less than ?19° C.; and iv. a cloud point less than ?50° C.Type: GrantFiled: November 14, 2011Date of Patent: June 19, 2012Assignee: Chevron U.S.A. Inc.Inventors: Saleh Elomari, Stephen Joseph Miller
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Publication number: 20120149612Abstract: A process for making base oil, comprising: oligomerizing one or more olefins having a boiling point less than 82° C. in the presence of an ionic liquid catalyst to produce the base oil having a kinematic viscosity at 40° C. of 1100 mm2/s or higher. Also, a process, comprising: oligomerizing the olefins in the presence of an ionic liquid catalyst to produce the base oil having a kinematic viscosity at 40° C. of 300 mm2/s or higher and a low cloud point, wherein a wt % yield of products boiling at 482° C.+ (900° F.+) is at least 65 wt % of a total yield of products from the oligomerizing. Additionally, a process, comprising: oligomerizing the olefins in the presence of an ionic liquid catalyst to produce the base oil having a kinematic viscosity at 40° C. greater than 1100 mm2/s and a low cloud point.Type: ApplicationFiled: December 13, 2010Publication date: June 14, 2012Inventors: Saleh Elomari, Stephen J. Miller, Sven Ivar Hommeltoft
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Patent number: 8198497Abstract: A catalytic composition for the selective oligomerization of ethylene and a process for preparing light linear (?-olefins, especially 1-hexene and 1-octene, starting from ethylene, using this composition, said composition comprising the following components: (A) a compound of a transition metal M of Group 4 of the periodic table; (B) an organic compound containing the sulfonic group (>SO2) bonded to two carbon atoms; (C) a hydrocarbyl organometallic compound of a metal M? selected from elements of Groups 1, 2, 12, 13 or 14 of the periodic table; components (A), (B) and (C) being in such a quantity that the atomic ratios respectively of the metal M in (A), of the sulfur S in the sulfonic group of (B) and of the metal M? in (C), respect the following proportions: S/M=(from 0 to 20)/1 and M?/M=(from 2 to 2000)/1, on the condition that when the compound of the metal M in component (A) is not a sulfonic complex of M, the S/M ratio is greater than 0.5, preferably greater than 1.Type: GrantFiled: December 9, 2002Date of Patent: June 12, 2012Assignee: Polimeri Europa S.p.A.Inventors: Paolo Biagini, Liliana Gila
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Patent number: 8198500Abstract: A process comprising contacting an olefin feed from a Fischer-Tropsch condensate with an isoparaffin, an acidic chloroaluminate ionic liquid catalyst, and a Brönsted acid; whereby a base oil is produced by concurrent oligomerization and alkylation.Type: GrantFiled: November 4, 2011Date of Patent: June 12, 2012Assignee: Chevron U.S.A. Inc.Inventors: Saleh Elomari, Russell Roland Krug, Stephen Joseph Miller