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).

  • Patent number: 7081549
    Abstract: 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: Grant
    Filed: March 5, 2001
    Date of Patent: July 25, 2006
    Assignee: BP Chemicals Limited
    Inventors: John Cook, Brian Ellis, Philip Howard, Michael David Jones, Simon James Kitchen
  • Publication number: 20040030184
    Abstract: 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: Application
    Filed: March 5, 2001
    Publication date: February 12, 2004
    Inventors: John Cook, Brian Ellis, Philip Howard, Michael David Jones, Simon James Kitchen
  • Patent number: 6492299
    Abstract: 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: Grant
    Filed: October 12, 1999
    Date of Patent: December 10, 2002
    Assignee: BP International Limited
    Inventors: John William Couves, Simon James Kitchen
  • Patent number: 6472556
    Abstract: 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: Grant
    Filed: March 27, 2001
    Date of Patent: October 29, 2002
    Assignee: BP Chemicals Limited
    Inventors: Simon James Kitchen, Daiyi Qin
  • Patent number: 6407283
    Abstract: 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: Grant
    Filed: June 28, 2001
    Date of Patent: June 18, 2002
    Assignee: BP Chemicals Limited
    Inventors: John William Couves, Simon James Kitchen
  • Patent number: 6376706
    Abstract: 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: Grant
    Filed: May 21, 1999
    Date of Patent: April 23, 2002
    Assignee: BP Chemical Ltd.
    Inventors: Simon James Kitchen, Daiyi Qin
  • Patent number: 6350716
    Abstract: 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: Grant
    Filed: September 20, 2000
    Date of Patent: February 26, 2002
    Assignee: BP Chemicals Limited
    Inventors: John Cook, Brian Ellis, Philip Howard, Michael David Jones, Simon James Kitchen
  • Patent number: 6350901
    Abstract: 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: Grant
    Filed: July 29, 1999
    Date of Patent: February 26, 2002
    Assignee: BP Chemicals Limited
    Inventors: Simon James Kitchen, George Frederick Salem, Bruce Leo Williams
  • Publication number: 20010056201
    Abstract: 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: Application
    Filed: June 28, 2001
    Publication date: December 27, 2001
    Applicant: BP Chemicals Limited
    Inventors: John William Couves, Simon James Kitchen
  • Publication number: 20010049335
    Abstract: 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: Application
    Filed: May 21, 1999
    Publication date: December 6, 2001
    Inventors: SIMON JAMES KITCHEN, DAIYI QIN
  • Publication number: 20010012818
    Abstract: 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: Application
    Filed: March 27, 2001
    Publication date: August 9, 2001
    Applicant: BP Chemicals Limited.
    Inventors: Simon James Kitchen, Daiyi Qin
  • Patent number: 6258978
    Abstract: 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: Grant
    Filed: November 5, 1999
    Date of Patent: July 10, 2001
    Assignee: BP Chemicals Limited
    Inventors: Simon James Kitchen, Alasdair Iain Thomson, Bruce Leo Williams
  • Patent number: 6225496
    Abstract: 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: Grant
    Filed: July 29, 1999
    Date of Patent: May 1, 2001
    Assignee: BP Chemicals Limited
    Inventors: Michael James Baker, Timothy Crispin Bristow, Robert William Clarke, Simon James Kitchen, Bruce Leo Williams
  • Patent number: 5990344
    Abstract: 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: Grant
    Filed: October 29, 1997
    Date of Patent: November 23, 1999
    Assignee: BP Chemicals Limited
    Inventors: John William Couves, Simon James Kitchen
  • Patent number: RE37744
    Abstract: 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: Grant
    Filed: July 19, 2000
    Date of Patent: June 11, 2002
    Assignee: BP International Limited
    Inventors: John William Couves, Simon James Kitchen