Patents Assigned to BP Chemicals Limited
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Patent number: 8697907Abstract: Process for producing acetic acid by carbonylating methanol and/or a reactive derivative thereof in a liquid reaction composition in which there exists in equilibrium, at least a first soluble catalytic species and a second soluble catalytic species. The first catalytic species is the least catalytically active or promotionally active of the species existing in the equilibrium. The process includes determining (i) the concentration of the first catalytic species and/or (ii) the ratio of the concentration of the first catalytic species to the concentration of the second catalytic species in equilibrium therewith, present in the liquid reaction composition and/or a present in a liquid fraction in a separation step, and maintaining (i) and/or (ii) below a pre-determined value.Type: GrantFiled: March 16, 2007Date of Patent: April 15, 2014Assignee: BP Chemicals LimitedInventors: Lesley Ann Key, Andrew David Poole
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Patent number: 8692015Abstract: Process for the production of at least one carbonylation product selected from acetic acid and methyl acetate, by carbonylating at least one carbonylatable reactant selected from methanol and reactive derivatives thereof with carbon monoxide in the presence of a catalyst. The catalyst is a mordenite which has been treated with an aqueous ammonium hydroxide solution and has a silica:alumina molar ratio of at least 10:1, and the reactive derivatives are selected from methyl acetate and dimethyl ether.Type: GrantFiled: May 6, 2010Date of Patent: April 8, 2014Assignee: BP Chemicals LimitedInventors: Evert Jan Ditzel, Bogdan Costin Gagea
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Patent number: 8624054Abstract: A process for the production of methyl acetate by reacting dimethyl ether with carbon monoxide into a carbonylation reactor containing a mordenite catalyst in the presence of added methyl acetate and/or acetic acid.Type: GrantFiled: November 19, 2009Date of Patent: January 7, 2014Assignee: BP Chemicals LimitedInventors: Nicholas John Hazel, Lesley Ann Key, Mark Stephen Roberts, John Glenn Sunley
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Publication number: 20130310599Abstract: A process for the production of methyl acetate and/or acetic acid by contacting a carbon monoxide-containing gas and methanol and/or reactive derivatives thereof with a mordenite loaded with copper and silver loaded by ion-exchange and subsequently regenerating the catalyst.Type: ApplicationFiled: January 24, 2012Publication date: November 21, 2013Applicant: BP Chemicals LimitedInventor: Evert Jan Ditzel
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Patent number: 8586778Abstract: A process for the production of acetic acid and/or methyl acetate by carbonylating methanol and/or reactive derivatives thereof with carbon monoxide in the presence of a catalyst which is a mordenite which has been treated with an aqueous basic solution containing at least one of aluminate ions and gallate ions and has a silica:X2O3 molar ratio (wherein X is A1 and/or Ga) of at least 12:1.Type: GrantFiled: May 6, 2010Date of Patent: November 19, 2013Assignee: BP Chemicals LimitedInventors: Evert Jan Ditzel, Bogdan Costin Gagea
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Patent number: 8552216Abstract: Process for the production of methyl acetate by carbonylating a dimethyl ether feed with carbon monoxide under substantially anhydrous conditions, in the presence of a zeolite catalyst effective for the carbonylation. The carbonylation is carried out at a temperature in the range of 275 to 350° C. and in the presence of hydrogen.Type: GrantFiled: April 23, 2008Date of Patent: October 8, 2013Assignee: BP Chemicals LimitedInventors: Jon Michael Stewart Deeley, Evert Jan Ditzel, David John Law, Mark Stephen Roberts, John Glenn Sunley
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Patent number: 8552240Abstract: Process for producing propylene from a propanol feedstock A2 by reacting the propanol feedstock A2 in a vapor phase dehydration reactor wherein the propanol is convened at a temperature comprised between 160 and 270° C. and at a pressure of above 0.1 MPa but less than 4.Type: GrantFiled: November 22, 2006Date of Patent: October 8, 2013Assignee: BP Chemicals LimitedInventors: Craig Bailey, Leslie William Bolton, Benjamin Patrick Gracey, Michael Keith Lee, Stephen Roy Partington
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Patent number: 8536369Abstract: Process for producing methyl acetate by carbonylating a dimethyl ether feed with carbon monoxide under substantially anhydrous conditions in the presence of a mordenite catalyst which has been ion-exchanged or otherwise loaded with at least one of silver and copper. The mordenite is also ion-exchanged or otherwise loaded with platinum in an amount in the range 0.05 to 10 mol % relative to aluminum.Type: GrantFiled: April 23, 2008Date of Patent: September 17, 2013Assignee: BP Chemicals LimitedInventors: Evert Jan Ditzel, Andre Harmen Sijpkes, John Glenn Sunley
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Patent number: 8471058Abstract: Process for the carbonylation of a carbonylatable reactant selected from at least one of dimethyl ether and methanol, by carbonylating the carbonylatable reactant with carbon monoxide in the presence of a catalyst to produce a carbonylation product selected from at least one of methyl acetate and acetic acid. The catalyst is formed by compositing a mordenite loaded with at least one of silver and copper, with an inorganic oxide binder.Type: GrantFiled: November 16, 2009Date of Patent: June 25, 2013Assignee: BP Chemicals LimitedInventors: Evert Jan Ditzel, David John Law, John Glenn Sunley
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Patent number: 8450521Abstract: Process for preparing methyl acetate and/or acetic acid by contacting a carbonylatable reactant selected from dimethyl ether and methanol with carbon monoxide in the presence of a catalyst. The catalyst is a H-mordenite bound with a mesoporous binder selected from silicas, aluminas, silica-aluminas, magnesium silicates and magnesium aluminum silicates.Type: GrantFiled: October 8, 2009Date of Patent: May 28, 2013Assignee: BP Chemicals LimitedInventors: Evert Jan Ditzel, David John Law, John Glenn Sunley
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Patent number: 8440873Abstract: Process for producing mono-olefins(s) from a feedstock A containing ethanol and propanol, wherein ethanol and propanol are dehydrated into the corresponding same carbon number olefins. The process is performed by 1. reacting feedstock A in a vapor phase dehydration reactor wherein the ethanol and propanol alcohols are converted into a product stream B comprising ethylene, propylene, ethers, water and unconverted alcohols, 2. cooling the product stream B, 3. disengaging the cooled product stream B in a separation unit to give a first stream C containing ethylene, propylene and ethers, and a second product stream D containing water, ethers and unconverted alcohols, 4. feeding the product stream D to a dewatering column wherein the water stream F is separated from the ethers and unconverted alcohols stream E, 5. recycling the stream E into the dehydration reactor of step 1, and 6. cooling the product stream C.Type: GrantFiled: November 22, 2006Date of Patent: May 14, 2013Assignee: BP Chemicals LimitedInventors: Craig Bailey, Leslie William Bolton, Benjamin Patrick Gracey, Michael Keith Lee, Stephen Roy Partington
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Patent number: 8431732Abstract: Process for the manufacture of methyl acetate by carbonylating a carbonylatable reactant selected from dimethyl ether and dimethyl carbonate containing less than 2.5 wt % water with carbon monoxide in the presence of a mordenite catalyst. The mordenite has been ion-exchanged with at least one Group IB metal, and the molar ratio of the Group IB metal to total aluminum present in the mordenite is in the range 5 to 50 mol %.Type: GrantFiled: December 16, 2008Date of Patent: April 30, 2013Assignee: BP Chemicals LimitedInventors: Gareth Gerald Armitage, Evert Jan Ditzel, David John Law, John Glenn Sunley
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Patent number: 8426664Abstract: Process for producing ethylene from an ethanol feedstock A by (1) reacting the ethanol feedstock A in a vapor phase reactor wherein the ethanol is converted at a temperature between 160 and 270° C. and at a pressure of above 0.1 MPa but less than 4.5 MPa, into a product stream B containing ethylene, diethyl ethers, water and unconverted ethanol, (2) cooling the product stream B, (3) disengaging the cooled product stream B in a separation unit to give a first stream C containing ethylene and diethyl ethers, and a second product stream D containing water, diethyl ethers and unconverted ethanol, (4) feeding the product stream D to a dewatering unit wherein the water stream F is separated from the diethyl ethers and unconverted ethanol stream E, (5) recycling the stream E into the dehydration reactor of step 1, (6) cooling the product stream C, and (7) feeding the cooled product stream C to a purification unit wherein the diethyl ethers stream G is separated from the ethylene stream H.Type: GrantFiled: November 22, 2006Date of Patent: April 23, 2013Assignee: BP Chemicals LimitedInventors: Craig Bailey, Leslie William Bolton, Benjamin Patrick Gracey, Michael Keith Lee, Stephen Roy Partington
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Patent number: 8426633Abstract: Process for the manufacture of at least one of acetic acid and methyl acetate by carbonylating at least one carbonylatable reactant selected from methanol, dimethyl ether and dimethyl carbonate with carbon monoxide in the presence of a zeolite of structure type MOR. The zeolite has greater than 50% of its crystals in the size range to 3 microns.Type: GrantFiled: December 16, 2008Date of Patent: April 23, 2013Assignee: BP Chemicals LimitedInventors: Avelino Corma Canos, Gordon John Haining, David John Law
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Patent number: 8394983Abstract: Process for the production of methyl acetate by the carbonylation of a dimethyl ether feed with carbon monoxide under substantially anhydrous conditions, in the presence of a zeolite catalyst effective for the carbonylation. The carbonylation is carried out at a temperature in the range of greater than 250° C. to 350° C. and at a pressure in the range of greater than 10 barg to 100 barg.Type: GrantFiled: April 23, 2008Date of Patent: March 12, 2013Assignee: BP Chemicals LimitedInventors: Evert Jan Ditzel, David John Law, Mark Stephen Roberts
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Patent number: 8367886Abstract: Process for producing alkene(s) from a feedstock containing at least one monohydric aliphatic paraffinic alcohol having from 2 to 5 carbon atoms. The process is carried out by 1 converting the monohydric aliphatic paraffinic alcohol(s) containing 2 to 5 carbon atoms in a reactive distillation column at elevated pressure and temperature into a heads stream having the corresponding same carbon number alkene(s) and ether(s), 2 separating the heads stream from step 1 into an ether(s) enriched stream and an alkene(s) enriched stream, 3 recycling at least part of the ether(s) enriched stream from step 2 as a reflux return to the reactive distillation column, 4 simultaneously separating the alkene(s) enriched stream from step 2 into alkene(s) and ether(s), and 5 recycling at least part of the separated ether(s) from step 4 into the reactive distillation column. An alkene(s) stream from step 4 is then recovered.Type: GrantFiled: June 29, 2006Date of Patent: February 5, 2013Assignee: BP Chemicals LimitedInventors: Benjamin Patrick Gracey, Leslie William Bolton
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Patent number: 8329960Abstract: Process for converting a hydrocarbon feedstock into alcohol(s), wherein the hydrocarbons are first converted into syngas, which is subsequently converted into alcohols. The process comprises the consecutive steps of 1) converting a hydrocarbon feedstock, in a syngas reactor, into a stream A, comprising essentially of a mixture of carbon oxide(s) and hydrogen, 2) converting at least part of stream A, in the presence of a catalyst in a oxygenate synthesis reactor under a temperature comprised between 150 and 400° C.Type: GrantFiled: October 17, 2007Date of Patent: December 11, 2012Assignee: BP Chemicals LimitedInventors: Benjamin Patrick Gracey, Michael Keith Lee
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Patent number: 8329606Abstract: Process for the in-situ regeneration of a zeolite catalyst in a carbonylation process for the production of at least one of methyl acetate and acetic acid. The process is carried out by (a) contacting a carbonylatable reactant selected from methanol, dimethyl ether and dimethyl carbonate and carbon monoxide in a reactor with a zeolite catalyst and recovering a product stream containing at least one of methyl acetate and acetic acid from the reactor, (b) ceasing contact of the catalyst with the carbonylatable reactant, (c) regenerating the catalyst with a regenerating gas selected from hydrogen or a mixture of hydrogen and carbon monoxide at a temperature in the range 250 to 600 C, and (d) terminating the hydrogen regenerating step and resuming contact of the catalyst with the carbonylatable reactant and carbon monoxide.Type: GrantFiled: December 16, 2008Date of Patent: December 11, 2012Assignee: BP Chemicals LimitedInventors: Edo Johann Becker, Evert Jan Ditzel, Harry Kaiser, George Ernest Morris, Mark Stephen Roberts, Stephan Andreas Schunk, Martin Smit, John Glenn Sunley
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Publication number: 20120283398Abstract: A catalyst and/or precatalyst for olefin oligomerization comprising one or more coordination complexes having one or more central palladium metal atoms. Each palladium atom is bonded to four ligand donor atoms. Two of the donor atoms are group 16 elements and two of the donor atoms are group 15 elements. Also provided are neutral or cationic coordination complex dimers, so that the two palladium atoms are both bonded to one or two donor atoms from group 16, and each palladium atom is bonded to two donor atoms from group 15. In some instances, each of the two group 16 donor atoms are oxygen and each of the four group 15 donor atoms are nitrogen.Type: ApplicationFiled: April 6, 2012Publication date: November 8, 2012Applicants: BP CHEMICALS LIMITED, CALIFORNIA INSTITUTE OF TECHNOLOGYInventors: Paul Oblad, Matthew S. Winston, Jay A. Labinger, John E. Bercaw, Sander Gaemers
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Patent number: RE44206Abstract: An oxidation process for the production of alkenes and carboxylic acids from a feed comprising alkene and/or alkane, carbon monoxide, a molecular oxygen containing gas and optionally water in the presence of an oxidation catalyst in which the level of carbon monoxide is maintained between 1% and 20% by volume of the total feed to the reactor.Type: GrantFiled: May 16, 2011Date of Patent: May 7, 2013Assignee: BP Chemicals LimitedInventors: Ewen James Ferguson, Andrew Richard Lucy, Mark Stephen Roberts, Diana Rachel Taylor, Bruce Leo Williams