Patents by Inventor Stephen Roy Partington
Stephen Roy Partington 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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Publication number: 20120165589Abstract: The present invention relates to a process for the production of ethylene, from a feedstock comprising ethanol, in the presence of a phosphotungstic acid catalyst.Type: ApplicationFiled: June 10, 2010Publication date: June 28, 2012Applicant: BP p.l.c.Inventor: Stephen Roy Partington
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Publication number: 20100329948Abstract: The present invention provides an apparatus comprising a vessel having a conduit extending therefrom, and a stirrer, a section of which is adapted to be located within the conduit and a section of which is adapted to be located within the vessel, said stirrer being adapted such that, in use, material within the conduit is conveyed in a direction towards the vessel and/or in a direction away from the vessel.Type: ApplicationFiled: July 6, 2010Publication date: December 30, 2010Applicant: Ineos Europe LimitedInventor: Stephen Roy Partington
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Publication number: 20100292520Abstract: The present invention relates to a supported heteropolyacid catalyst, to a process for producing alkenes from oxygenates in the presence of said catalyst, and to the use of said catalyst in a process for producing alkenes from oxygenates at a higher productivity whilst reducing the formation of alkanes.Type: ApplicationFiled: November 8, 2007Publication date: November 18, 2010Inventors: Benjamin Patrick Gracey, Gordon John Haining, Stephen Roy Partington
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Publication number: 20100249481Abstract: A process for the production of ethene by the vapour phased chemical dehydration of a feed comprising ethanol, water and ethoxyethane in a reactor at elevated temperature and pressure in the presence of a bed of catalyst comprising a supported heteropolytungstic acid characterised in that the reactor is maintained or configured so that it operates in a regime which satisfies the following parameters: 0.05<(Pwater/Pethanol+Pethoxyethane))/(8×10?5×GHSV+0.75) (1) and ?20<Treaction?Tdew point?40×Ptotal feed+40×Pinerts<+80 (2) wherein Pwater, Pethanol and Pethoxyethane are respectively the partial pressures of water, ethanol and ethoxyethane in the thermodynamic equilibrium composition of the feed at the operating temperature and pressure of the process (in MPa), GHSV is the gas hourly space velocity of feed over the catalyst in hr?1, Treaction is the temperature of reaction in ° C.Type: ApplicationFiled: October 8, 2008Publication date: September 30, 2010Inventors: Benjamin Patrick Gracey, Stephen Roy Partington
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Patent number: 7775703Abstract: The present invention provides an apparatus comprising a vessel having a conduit extending therefrom, and a stirrer, a section of which is adapted to be located within the conduit and a section of which is adapted to be located within the vessel, said stirrer being adapted such that, in use, material within the conduit is conveyed in a direction towards the vessel and/or in a direction away from the vessel.Type: GrantFiled: February 27, 2004Date of Patent: August 17, 2010Assignee: Ineos Europe LimitedInventor: Stephen Roy Partington
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Publication number: 20090281362Abstract: The present invention relates to a process for the production of propylene from a feedstock comprising propanol.Type: ApplicationFiled: November 22, 2006Publication date: November 12, 2009Inventors: Craig Bailey, Leslie William Bolton, Benjamin Patrick Gracey, Michael Keith Lee, Stephen Roy Partington
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Publication number: 20090270668Abstract: The present invention relates to a process for the co-production of ethylene and propylene from an ethanol feedstock and a propanol feedstock.Type: ApplicationFiled: November 22, 2006Publication date: October 29, 2009Inventors: Craig Bailey, Leslie William Bolton, Benjamin Patrick Gracey, Michael Keith Lee, Stephen Roy Partington
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Publication number: 20090259086Abstract: The present invention relates to a process for the production of mono-olefin(s) from a feedstock comprising of at least one monohydric aliphatic paraffinic alcohol.Type: ApplicationFiled: November 22, 2006Publication date: October 15, 2009Applicant: BP CHEMICALS LIMITEDInventors: Craig Bailey, Leslie William Bolton, Benjamin Patrick Gracey, Michael Keith Lee, Stephen Roy Partington
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Publication number: 20090082605Abstract: The present invention relates to a process for the production of ethylene from a feedstock comprising ethanol.Type: ApplicationFiled: November 22, 2006Publication date: March 26, 2009Inventors: Craig Bailey, Leslie William Bolton, Benjamin Patrick Gracey, Michael Keith Lee, Stephen Roy Partington
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Patent number: 7469729Abstract: The present invention relates to an injection system for injecting material into a receiving vessel, said injection system comprising: (i) an injection chamber provided with means to connect to the receiving vessel, and (ii) an injection capsule, adapted to fit within the injection chamber, and comprising a reservoir for the material and a valve, said injection system being adapted so that opening of the valve causes material contained within the reservoir to be injected into the receiving vessel by action of a pressure differential between the injection chamber and the receiving vessel. The present invention also relates to a method of injecting material into a receiving vessel using said injection system.Type: GrantFiled: April 16, 2003Date of Patent: December 30, 2008Assignee: BP Chemicals LimitedInventors: Paul Nicholas Aukett, Mirko Kranenburg, Stephen Roy Partington, Yves Johann Elizabeth Ramjoie
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Patent number: 7345129Abstract: A catalyst for the polymerisation of 1-olefins is disclosed, which comprises (1) a compound of Formula B wherein M is Fe[II], Fe[III], Co[I], Co[II], Co[III], Mn[I], Mn[II], Mn[III], Mn[IV], Ru[II], Ru[III] or Ru[IV]; X represents an atom or group covalently or ionically bonded to the transition metal M; T is the oxidation state of the transition metal M and b is the valency of the atom or group X; R1, R2, R3, R4, R5, R6 and R7 are independently selected from hydrogen, halogen, hydrocarbyl, substituted hydrocarbyl, heterohydrocarbyl or substituted heterohydrocarbyl; and when any two or more of R1-R7 are hydrocarbyl, substituted hydrocarbyl, heterohydrocarbyl or substituted heterohydrocarbyl, said two or more can be linked to form one or more cyclic substituents; and (2) a further catalyst. Copolymers made using the catalyst having specific physical properties are also disclosed.Type: GrantFiled: November 20, 2006Date of Patent: March 18, 2008Assignee: Ineos Europe LimitedInventors: Brian Stephen Kimberley, Peter James Maddox, Stephen Roy Partington
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Patent number: 7148304Abstract: A catalyst for the polymerization of 1-olefins is disclosed, which comprises (1) a compound of Formula B wherein M is Fe[II], Fe[III], Co[I], Co[II], Co[III], Mn[I], Mn[II], Mn[III], Mn[IV], Ru[II], Ru[III] or Ru[IV]; X represents an atom or group covalently or ionically bonded to the transition metal M; T is the oxidation state of the transition metal M and b is the valency of the atom or group X; R1, R2, R3, R4, R5, R6 and R7 are independently selected from hydrogen, halogen, hydrocarbyl, substituted hydrocarbyl, heterohydrocarbyl or substituted heterohydrocarbyl; and when any two or more of R1–R7 are hydrocarbyl, substituted hydrocarbyl, heterohydrocarbyl or substituted heterohydrocarbyl, said two or more can be linked to form one or more cyclic substituents; and (2) a further catalyst.Type: GrantFiled: September 23, 2003Date of Patent: December 12, 2006Assignee: BP Chemicals LimitedInventors: Brian Stephen Kimberley, Peter James Maddox, Stephen Roy Partington
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Publication number: 20040077489Abstract: A catalyst for the polymerisation of 1-olefins is disclosed, which comprises (1) a compound of Formula B wherein M is Fe[II], Fe[III], Co[I], Co[II], Co[III], Mn[I], Mn[II], Mn[III], Mn[IV], Ru[II], Ru[III] or Ru[IV]; X represents an atom or group covalently or ionically bonded to the transition metal M; T is the oxidation state of the transition metal M and b is the valency of the atom or group X; R1, R2, R3, R4, R5, R6 and R7 are independently selected from hydrogen, halogen, hydrocarbyl, substituted hydrocarbyl, heterohydrocarbyl or substituted heterohydrocarbyl; and when any two or more of R1-R7 are hydrocarbyl, substituted hydrocarbyl, htctrohydrocarbyl or substituted heterohydrocarbyl, said two or more can be linked to form one or more cyclic substituents; and (2) a further catalyst. Copolymers made using the catalyst having specific physical properties are also disclosed.Type: ApplicationFiled: September 23, 2003Publication date: April 22, 2004Applicant: BP Chemicals LimitedInventors: Brian Stephen Kimberley, Peter James Maddox, Stephen Roy Partington
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Patent number: 6657026Abstract: A catalyst for the polymerization of 1-olefins which includes (1) a compound of Formula B wherein M is Fe[II], Fe[III], Co[I], Co[II], Co[III], Man[I], Man[II], Mn[III], Mn[IV], Ru[II], Ru[III] or Ru[IV]; X represents an atom or group covalently or ionically bonded to the transition metal M; T is the oxidation state of the transition metal M and b is the valency of the atom or group X; R1, R2, R3, R4, R5, R6 and R7 are independently selected form hydrogen, halogen, hydrocarbyl, substituted hydrocarbyl, heterohydrocarbyl or substituted heterohydrocarbyl; and when any two ore more of R1-R7 are hydrocarbyl, substituted hydrocarbyl, heterohydrocarbyl or substituted heterohydrocarbyl, said two or more can be linked to form one or more cyclic substituents; and (2) a further catalyst.Type: GrantFiled: September 11, 2000Date of Patent: December 2, 2003Assignee: BP Chemicals LimitedInventors: Brian Stephen Kimberley, Peter James Maddox, Stephen Roy Partington
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Patent number: 6465386Abstract: A polymerization catalyst comprising (1) a catalyst having a compound of the Formula (I): (2) a further catalyst for the polymerization of 1-olefins which is different from catalyst (1).Type: GrantFiled: October 18, 2000Date of Patent: October 15, 2002Assignee: BP Chemicals LimitedInventors: Peter James Maddox, Stephen Roy Partington
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Patent number: 6455660Abstract: A polyethylene having the following properties: an annealed density D/weight average molecular weight Mw relationship defined by the equation D>1104.5Mw−0.0116, and a Charpy Impact I/High Load Melt Index H relationship defined by the equation I>35.OH−0.4. Also, a polyethylene film having the following properties: a density of at least 957 kg/m3; a Dart Impact of at least 130 g; and a polydispersity of less than 12. Both may be made using a tridentate nitrogen-containing transition metal polymerization catalyst.Type: GrantFiled: September 11, 2000Date of Patent: September 24, 2002Assignee: BP Chemicals LimitedInventors: Edward Quentin Clutton, Philip Stephen Hope, Stephen Roy Partington, John Norman Reid Samson
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Patent number: 6300437Abstract: A process for preparing polyolefins having at least 0.01 long chain branches (LCB)/1000 carbon atoms along the polymer backbone as measured by flow activation and a molecular weight distribution greater than 2.5 comprises polymerization in the presence of a metallocene complex having the formula: wherein Cp1, Cp2 are independently a substituted or unsubstituted indenyl or hydrogenated indenyl group, Y is a univalent anionic ligand, M is zirconium, titanium or hafnium, and Z is a bridging group comprising an alkylene group having 1 to 20 carbon atoms or a dialkyl silyl- or germyl- group, or alkyl phophine or amine radical. Polyolefins prepared from such a process show specific flow activation energy/LCB relationships.Type: GrantFiled: July 31, 1997Date of Patent: October 9, 2001Assignee: BP Chemicals LimitedInventors: Philip Howard, Peter James Maddox, Stephen Roy Partington
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Patent number: 6258912Abstract: A process for preparing polyolefins having at least 0.01 long chain branches (LCB)/1000 carbon atoms along the polymer backbone as measured by flow activation and a molecular weight distribution greater than 2.5 comprises polymerization in the presence of a metallocene complex having the formula: wherein Cp1, Cp2 are independently a substituted or unsubstituted indenyl or hydrogenated indenyl group, Y is a univalent anionic ligand, M is zirconium, titanium or hafnium, and Z is a bridging group comprising an alkylene group having 1 to 20 carbon atoms or a dialkyl silyl- or germyl- group, or alkyl phophine or amine radical. Polyolefins prepared from such a process show specific flow activation energy/LCB relationships.Type: GrantFiled: July 15, 1999Date of Patent: July 10, 2001Assignee: BP Chemicals LimitedInventors: Philip Howard, Peter James Maddox, Stephen Roy Partington
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Patent number: 6165352Abstract: A continuous process for the dehydrogenation of a hydrocarbon and/or oxygenated hydrocarbon feed, comprising contacting the hydrocarbon and/or oxygenated hydrocarbon feed with a dehydrogenation catalyst at elevated temperature in a reaction zone characterised in that the catalyst is capable of retaining hydrogen and (a) is contacted with a feed to form a dehydrogenated product and hydrogen, at least some of the hydrogen formed being adsorbed by the catalyst and/or reacting therewith to reduce at least part of the catalyst; (b) the dehydrogenated product and any unadsorbed/unreacted hydrogen is removed from the reaction zone; (c) at least some of the adsorbed hydrogen is removed from the catalyst and/or at least some of the reduced catalyst is oxidised; and (d) reusing the catalyst from step (c) in step (a).Type: GrantFiled: March 12, 1998Date of Patent: December 26, 2000Assignee: BP Chemicals LimitedInventors: Jeremy Bernard Cooper, Jonathon Charles Frost, Stephen Roy Partington