Patents by Inventor Simon James Kitchen
Simon James Kitchen 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: 7081549Abstract: A process for the production of acetic acid, which process comprises contacting ethane and/or ethylene with a molecular oxygen-containing gas in a fluid bed reactor in the presence of a microspheroidal fluidised particulate solid oxidation catalyst, wherein at least 90% of said catalyst particles are less than 300 microns.Type: GrantFiled: March 5, 2001Date of Patent: July 25, 2006Assignee: BP Chemicals LimitedInventors: John Cook, Brian Ellis, Philip Howard, Michael David Jones, Simon James Kitchen
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Publication number: 20040030184Abstract: A process for the production of acetic acid, which process comprises contacting ethane and/or ethylene with a molecular oxygen-containing gas in a fluid bed reactor in the presence of a microspheroidal fluidised particulate solid oxidation catalyst, wherein at least 90% of said catalyst particles are less than 300 microns.Type: ApplicationFiled: March 5, 2001Publication date: February 12, 2004Inventors: John Cook, Brian Ellis, Philip Howard, Michael David Jones, Simon James Kitchen
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Patent number: 6492299Abstract: A process for the production of vinyl acetate which comprises contacting ethylene, acetic acid and an oxygen-containing gas with a supported palladium catalyst prepared by a process comprising the steps of (a) impregnating a catalyst support with a palladium compound, (b) converting the palladium compound to substantially metallic palladium and (c) sintering the supported palladium at a temperature of greater than 500° C.Type: GrantFiled: October 12, 1999Date of Patent: December 10, 2002Assignee: BP International LimitedInventors: John William Couves, Simon James Kitchen
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Patent number: 6472556Abstract: A catalyst for use in the production of vinyl acetate which comprises (1) a catalyst support, (2) palladium, (3) an acid, (4) at least one acetic acid catalyst promoter and (5) at least one vinyl acetate promoter and/or co-promoter. A process for the production of vinyl acetate from ethylene and an oxygen-containing gas using the catalyst.Type: GrantFiled: March 27, 2001Date of Patent: October 29, 2002Assignee: BP Chemicals LimitedInventors: Simon James Kitchen, Daiyi Qin
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Patent number: 6407283Abstract: A process for the production of vinyl acetate which comprises contacting ethylene, acetic acid and an oxygen-containing gas with a supported palladium catalyst prepared by a process comprising the steps of (a) impregnating a catalyst support with a palladium compound, (b) converting the palladium compound to substantially metallic palladium, and (c) sintering the supported palladium at a temperature of greater than 500° C.Type: GrantFiled: June 28, 2001Date of Patent: June 18, 2002Assignee: BP Chemicals LimitedInventors: John William Couves, Simon James Kitchen
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Patent number: 6376706Abstract: A catalyst for use in the production of vinyl acetate which comprises (1) a catalyst support, (2) palladium, (3) an acid, (4) at least one acetic acid catalyst promoter and (5) at least one vinyl acetate promoter and/or co-promoter. A process for the production of vinyl acetate from ethylene and an oxygen-containing gas using the catalyst.Type: GrantFiled: May 21, 1999Date of Patent: April 23, 2002Assignee: BP Chemical Ltd.Inventors: Simon James Kitchen, Daiyi Qin
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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: 6350716Abstract: A catalyst composition for the selective oxidation of ethane and/or ethylene to acetic acid which composition comprises in combination with oxygen the elements: MOa.Wb.Agc.Ird.Xe.Yf (I) wherein X is the elements Nb and V; Y is one or more elements selected from the group consisting of: Cr, Mn, Ta, Ti, B, Al, Ga, In, Pt, Zn, Cd, Bi, Ce, Co, Rh, Cu, Au, Fe, Ru, Os, K, Rb, Cs, Mg, Ca, Sr, Ba, Zr, Hf, Ni, P, Pb, Sb, Si, Sn, Tl, U, Re and Pd; a, b, c, d, e and f represent the gram atom ratios of the elements such that 0<a≦1, 0≦b≦1 and a+b=1; 0<(c+d)≦0.1; 0<e≦2; and 0≦f≦2. The catalyst composition may be used in the production of acetic acid and in an integrated process for the production of acetic acid and/or vinyl acetate.Type: GrantFiled: September 20, 2000Date of Patent: February 26, 2002Assignee: BP Chemicals LimitedInventors: John Cook, Brian Ellis, Philip Howard, Michael David Jones, Simon James Kitchen
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Publication number: 20010056201Abstract: A process for the production of vinyl acetate which comprises contacting ethylene, acetic acid and an oxygen-containing gas with a supported palladium catalyst prepared by a process comprising the steps of (a) impregnating a catalyst support with a palladium compound, (b) converting the palladium compound to substantially metallic palladium, and (c) sintering the supported palladium at a temperature of greater than 500° C.Type: ApplicationFiled: June 28, 2001Publication date: December 27, 2001Applicant: BP Chemicals LimitedInventors: John William Couves, Simon James Kitchen
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Publication number: 20010049335Abstract: A catalyst for use in the production of vinyl acetate which comprises (1) a catalyst support, (2) palladium, (3) an acid, (4) at least one acetic acid catalyst promoter and (5) at least one vinyl acetate promoter and/or co-promoter. A process for the production of vinyl acetate from ethylene and an oxygen-containing gas using the catalyst.Type: ApplicationFiled: May 21, 1999Publication date: December 6, 2001Inventors: SIMON JAMES KITCHEN, DAIYI QIN
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Publication number: 20010012818Abstract: A catalyst for use in the production of vinyl acetate which comprises (1) a catalyst support, (2) palladium, (3) an acid, (4) at least one acetic acid catalyst promoter and (5) at least one vinyl acetate promoter and/or co-promoter. A process for the production of vinyl acetate from ethylene and an oxygen-containing gas using the catalyst.Type: ApplicationFiled: March 27, 2001Publication date: August 9, 2001Applicant: BP Chemicals Limited.Inventors: Simon James Kitchen, Daiyi Qin
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Patent number: 6258978Abstract: In a process for the production of vinyl acetate by reacting ethylene, acetic acid and an oxygen-containing gas in a reactor to produce a process stream which is removed from the reactor as an outlet stream, the process is improved by maintaining the oxygen concentration of the outlet stream at or near its flammability limit.Type: GrantFiled: November 5, 1999Date of Patent: July 10, 2001Assignee: BP Chemicals LimitedInventors: Simon James Kitchen, Alasdair Iain Thomson, Bruce Leo Williams
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Patent number: 6225496Abstract: Process for the production of vinyl acetate in which ethylene, acid and oxygen-containing gas are combined at elevated temperature in the presence of a catalyst material to produce (i) a product mixture comprising vinyl acetate, (ii) a liquid by-product comprising acetic acid and (iii) a gaseous by-product comprising carbon dioxide. The liquid by-product is separated from the product mixture and treated to reduce the water content therein before being recycled to the reactor such that the water entering the reactor comprises less than 6 wt %, (preferably less than 4 wt %, more preferably less than 3 wt %) of the total of acetic acid and water entering the reactor.Type: GrantFiled: July 29, 1999Date of Patent: May 1, 2001Assignee: BP Chemicals LimitedInventors: Michael James Baker, Timothy Crispin Bristow, Robert William Clarke, Simon James Kitchen, Bruce Leo Williams
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Patent number: 5990344Abstract: A process for the production of vinyl acetate which comprises contacting ethylene, acetic acid and an oxygen-containing gas with a supported palladium catalyst prepared by a process comprising the steps of (a) impregnating a catalyst support with a palladium compound, (b) converting the palladium compound to substantially metallic palladium, and (c) sintering the supported palladium at a temperature of greater than 500.degree. C.Type: GrantFiled: October 29, 1997Date of Patent: November 23, 1999Assignee: BP Chemicals LimitedInventors: John William Couves, Simon James Kitchen
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Patent number: RE37744Abstract: A process for the production of vinyl acetate which comprises contacting ethylene, acetic acid and an oxygen-containing gas with a supported palladium catalyst prepared by a process comprising the steps of (a) impregnating a catalyst support with a palladium compound, (b) converting the palladium compound to substantially metallic palladium, and (c) sintering the supported palladium at a temperature of greater than 500° C.Type: GrantFiled: July 19, 2000Date of Patent: June 11, 2002Assignee: BP International LimitedInventors: John William Couves, Simon James Kitchen