Patents by Inventor Bruce Leo Williams
Bruce Leo Williams has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10328420Abstract: Crystalline zeolites having a FER framework type wherein the crystallites have a dimension in the c-axis of about 500 nanometers (nm) or less, a method for their preparation and a process for the co-production of acetic acid and dimethyl ether comprising the step of contacting methyl acetate and methanol in the presence of catalysts comprising the crystalline zeolites.Type: GrantFiled: October 11, 2017Date of Patent: June 25, 2019Assignee: BP Chemicals LimitedInventors: Thomas Edward Clark, Evert Jan Ditzel, David John Law, Bruce Leo Williams
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Publication number: 20180036722Abstract: Crystalline zeolites having a FER framework type wherein the crystallites have a dimension in the c-axis of about 500 nanometres (nm) or less, a method for their preparation and a process for the co-production of acetic acid and dimethyl ether comprising the step of contacting methyl acetate and methanol in the presence of catalysts comprising the crystalline zeolites.Type: ApplicationFiled: October 11, 2017Publication date: February 8, 2018Inventors: Thomas Edward Clark, Evert Jan Ditzel, David John Law, Bruce Leo Williams
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Patent number: 9873112Abstract: Process for the co-production of acetic acid and dimethyl ether by contacting methyl acetate and methanol in the presence of a catalyst containing a crystalline zeolite having a FER framework type. The zeolite has crystallites having a dimension of about 500 nm or less in the c-axis.Type: GrantFiled: February 13, 2014Date of Patent: January 23, 2018Assignee: BP CHEMICALS LIMITEDInventors: Thomas Edward Clark, Evert Jan Ditzel, David John Law, Bruce Leo Williams
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Patent number: 9302253Abstract: Process for the co-production of acetic acid and dimethyl ether products from a mixture of methanol and methyl acetate by contacting the mixture at a temperature from 200 to 260° C., with a catalyst composition containing a zeolite possessing a 2-dimensional channel system. The catalyst system contains at least one channel having a 10-membered ring and a silica:alumina molar ratio of at least 22:1.Type: GrantFiled: February 22, 2013Date of Patent: April 5, 2016Assignee: BP CHEMICALS LIMITEDInventors: Thomas Edward Clark, David John Law, Bruce Leo Williams
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Publication number: 20150375217Abstract: Crystalline zeolites having a FER framework type wherein the crystallites have a dimension in the c-axis of about 500 nanometres (nm) or less, a method for their preparation and a process for the co-production of acetic acid and dimethyl ether comprising the step of contacting methyl acetate and methanol in the presence of catalysts comprising the crystalline zeolites.Type: ApplicationFiled: February 13, 2014Publication date: December 31, 2015Inventors: Thomas Edward Clark, Evert Jan DITZEL, David John LAW, Bruce Leo WILLIAMS
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Publication number: 20150352535Abstract: A process for the co-production of acetic acid and dimethyl ether products from a mixture of methanol and methyl acetate by contacting the mixture at a temperature from 200 to 260° C., with a catalyst composition comprising a zeolite possessing a 2-dimensional channel system comprising at least one channel having a 10-membered ring and a silica:alumina molar ratio of at least 22:1.Type: ApplicationFiled: February 22, 2013Publication date: December 10, 2015Inventors: Thomas Edward Clark, David John Law, Bruce Leo Williams
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Patent number: 7718811Abstract: A process for reacting in a fluid bed reactor at least one oxidisable reactant with molecular oxygen in the presence of a catalytically active fluidised bed of solid particles. In the process a molecular oxygen-containing gas having an oxygen concentration greater than that of air is introduced into the fluidised bed whilst the fluidised bed is maintained in a turbulent regime. The process is suitable for oxidation, ammoxidation and carboxylation processes, including the production of maleic anhydride, acrylonitrile, ethylene, acetic acid and vinyl acetate.Type: GrantFiled: June 3, 2008Date of Patent: May 18, 2010Assignee: Ineos Europe LimitedInventors: Michele Fiorentino, David Newton, George Fredrick Salem, Bruce Leo Williams
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Publication number: 20090030225Abstract: A process for reacting in a fluid bed reactor at least one oxidisable reactant with molecular oxygen in the presence of a catalytically active fluidised bed of solid particles. In the process a molecular oxygen-containing gas having an oxygen concentration greater than that of air is introduced into the fluidised bed whilst the fluidised bed is maintained in a turbulent regime. The process is suitable for oxidation, ammoxidation and carboxylation processes, including the production of maleic anhydride, acrylonitrile, ethylene, acetic acid and vinyl acetate.Type: ApplicationFiled: June 3, 2008Publication date: January 29, 2009Applicant: BP Chemicals LimitedInventors: Michele Fiorentino, David Newton, George Fredrick Salem, Bruce Leo Williams
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Publication number: 20080249331Abstract: A microspheroidal support for the manufacture of a vinyl acetate catalyst which support comprises substantially inert microspheroidal particles of a mixture of silica and 0.5 to 5 wt % (based on the total weight of the support) of aluminium oxide. A vinyl acetate catalyst comprising the microspheroidal support, palladium, at least one metal, M, selected from the group consisting of gold, cerium, copper and mixtures thereof and at least one metal. A, selected from the group consisting of Group I, Group II, lanthanide and transition metal promoters.Type: ApplicationFiled: June 8, 2006Publication date: October 9, 2008Inventors: Robert Edward Allan, John William Couves, George Frederick Salem, Bruce Leo Williams
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Patent number: 7262322Abstract: 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 13, 2004Date of Patent: August 28, 2007Assignee: BP Chemicals LimitedInventors: Ewen James Ferguson, Andrew Richard Lucy, Mark Stephen Roberts, Diana Rachel Taylor, Bruce Leo Williams
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Patent number: 7211688Abstract: Process for producing an alkyl carboxylate, comprising contacting in an oxidation reaction zone a C2 to C4 alkane, a molecular oxygen-containing gas, the corresponding alkene and optionally water, in the presence of at least one catalyst active for the oxidation of the alkane to the corresponding alkene and carboxylic acid, to produce a first product stream comprising alkene, unreacted alkane, carboxylic acid and water; separating in a first separation means at least a portion of the product stream produced in the oxidation reaction zone into a gaseous stream comprising alkene and unreacted alkane and a liquid stream comprising carboxylic acid and water; and separating by chemical treatment at least a portion of the gaseous stream obtained from the first separation means into respective streams rich in alkene and alkane; wherein the chemical treatment comprises the steps of: (1) contacting the alkene/alkane gaseous stream with a solution of a metal salt capable of selectively chemically absorbing the alkene tType: GrantFiled: February 12, 2003Date of Patent: May 1, 2007Assignee: BP Chemicals LimitedInventors: Robert William Clarke, Robert Croll, Andrew Richard Lucy, Bruce Leo Williams
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Patent number: 7189871Abstract: A process for reacting in a fluid bed reactor at least one oxidizable reactant with molecular oxygen in the presence of a catalytically active fluidized bed of solid particles. In the process a molecular oxygen-containing gas having an oxygen concentration greater than that of air is introduced into the fluidized bed while the fluidized bed is maintained in a turbulent regime. The process is suitable for oxidation, ammoxidation and carboxylation processes, including the production of maleic anhydride, acrylonitrile, ethylene, acetic acid and vinyl acetate.Type: GrantFiled: September 30, 2005Date of Patent: March 13, 2007Assignee: BP Chemicals LimitedInventors: Michele Fiorentino, David Newton, George Fredrick Salem, Bruce Leo Williams
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Patent number: 7145033Abstract: A process for reacting in a fluid bed reactor at least one oxidizable reactant with molecular oxygen in the presence of a catalytically active fluidized bed of solid particles. In the process a molecular oxygen-containing gas having an oxygen concentration greater than that of air is introduced into the fluidized bed while the fluidized bed is maintained in a turbulent regime. The process is suitable for oxidation, ammoxidation and carboxylation processes, including the production of maleic anhydride, acrylonitrile, ethylene, acetic acid and vinyl acetate.Type: GrantFiled: November 26, 2002Date of Patent: December 5, 2006Assignee: BP Chemicals LimitedInventors: Michele Fiorentino, David Newton, George Fredrick Salem, Bruce Leo Williams
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Patent number: 6913734Abstract: A process and apparatus for contacting (a) at least one gaseous reactant and (b) at least one liquid selected from the group consisting of reactants, coolants and mixtures thereof in the presence of a fluidized bed of catalyst, in which the liquid is introduced into the reactor through at least one inlet located within the fluidization zone and the gaseous reactant is introduced into the reactor through at least one inlet located within the fluidization zone adjacent the support means.Type: GrantFiled: June 11, 2001Date of Patent: July 5, 2005Assignee: BP Chemicals LimitedInventors: Stanley John Becker, Timothy Crispin Bristow, Robert William Clarke, Michele Fiorentino, David Newton, Ian All Beattie Reid, Bruce Leo Williams
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Patent number: 6602476Abstract: Apparatus and process for heat exchange with fluid beds comprises heat-exchange tubes located longitudinally with respect to the axis of a fluidization zone with a rectangular pitch, one side of which having a length at least one and a half times the length of the other side and/or with a triangular pitch, having two sides each at least one and a half times the length of the shortest side reduces the impact of the heat-exchange tubes on the fluidization characteristics of the fluid bed. The invention is particularly suitable for oxidation reactions using molecular oxygen-containing gas in the presence of a fluid bed of fluidizable catalyst, such as (a) the acetoxylation of olefins, (b) the oxidation of ethylene to acetic acid and/or the oxidation of ethane to ethylene and/or acetic acid, (c) the ammoxidation of propylene and/or propane to acrylonitrile and (d) the oxidation of C4's to maleic anhydride.Type: GrantFiled: September 28, 2001Date of Patent: August 5, 2003Assignee: BP Chemicals LimitedInventors: Stanley John Becker, Timothy Crispin Bristow, Michele Fiorentino, David Newton, Bruce Leo Williams
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Publication number: 20030109746Abstract: A process for reacting in a fluid bed reactor at least one oxidisable reactant with molecular oxygen in the presence of a catalytically active fluidised bed of solid particles. In the process a molecular oxygen-containing gas having an oxygen concentration greater than that of air is introduced into the fluidised bed whilst the fluidised bed is maintained in a turbulent regime. The process is suitable for oxidation, ammoxidation and carboxylation processes, including the production of maleic anhydride, acrylonitrile, ethylene, acetic acid and vinyl acetate.Type: ApplicationFiled: November 26, 2002Publication date: June 12, 2003Applicant: BP Chemicals LimitedInventors: Michele Fiorentino, David Newton, George Fredrick Salem, Bruce Leo Williams
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Patent number: 6448432Abstract: A process for the fluid bed production of vinyl acetate which comprises reacting ethylene, acetic acid and an oxygen-containing gas in a fluid bed reactor at elevated temperature in the presence of a fluidised bed of catalyst, in which process, catalyst is added to said fluidised bed of catalyst, wherein the overall catalytic activity of the fluidised bed of catalyst is controlled to a pre-determined value by adjusting the activity and/or adjusting the rate of addition of said added catalyst.Type: GrantFiled: June 11, 2001Date of Patent: September 10, 2002Assignee: BP Chemicals LimitedInventor: Bruce Leo Williams
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Publication number: 20020074107Abstract: Apparatus and process for heat exchange with fluid beds comprises heat-exchange tubes located longitudinally with respect to the axis of a fluidization zone with a rectangular pitch, one side of which having a length at least one and a half times the length of the other side and/or with a triangular pitch, having two sides each at least one and a half times the length of the shortest side reduces the impact of the heat-exchange tubes on the fluidization characteristics of the fluid bed. The invention is particularly suitable for oxidation reactions using molecular oxygen-containing gas in the presence of a fluid bed of fluidizable catalyst, such as (a) the acetoxylation of olefins, (b) the oxidation of ethylene to acetic acid and/or the oxidation of ethane to ethylene and/or acetic acid, (c) the ammoxidation of propylene and/or propane to acrylonitrile and (d) the oxidation of C4's to maleic anhydride.Type: ApplicationFiled: September 28, 2001Publication date: June 20, 2002Inventors: Stanley John Becker, Timothy Crispin Bristow, Michele Fiorentino, David Newton, Bruce Leo Williams
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Patent number: 6350901Abstract: In a process for production of vinyl acetate in which ethylene, liquid acetic acid and an oxygen-containing gas are fed to a fluid bed reactor containing a catalyst comprising a Group VIII metal, a promoter and a co-promoter, stickiness of the catalyst is reduced by limiting the amount of co-promoter to up to 6% by weight of the catalyst.Type: GrantFiled: July 29, 1999Date of Patent: February 26, 2002Assignee: BP Chemicals LimitedInventors: Simon James Kitchen, George Frederick Salem, Bruce Leo Williams
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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