Patents by Inventor John David Scott
John David Scott 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: 11954306Abstract: A system enables universal remote media control across multiple platforms, devices, and users. A protocol allows a cast controller to have access to media operations and a state(s) associated with media content. The system receives commands from a cast controller, provides the commands to a media player, loads new media content into the media player, based on the commands, and receives state notifications from the media player. Another cast controller can receive the state notifications from the media player and control the media player based on the media operations and state(s) associated with media content.Type: GrantFiled: March 18, 2021Date of Patent: April 9, 2024Assignee: Google LLCInventors: Mark David Scott, Mark Alan Foltz, John Affaki, Majd Bakar, Francis Tsui, Jennifer Shien-Ming Chen
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Patent number: 7053147Abstract: The production of ethylenically unsaturated acids or esters by the catalytic reaction of an alkanoic acid or ester, especially methyl propionate, with formaldehyde, and a catalyst therefor wherein the catalyst comprises a porous high surface area silica containing 1–10% by weight of an alkali metal, especially cesium (expressed as a metal) and having compounds of at least one modifier element selected from boron, magnesium, aluminium, zirconium and hafnium dispersed in the pores of said silica in such amount that the catalyst contains a total of 0.25 to 2 gram atoms of primary modifier element per 100 moles of silica.Type: GrantFiled: January 17, 2003Date of Patent: May 30, 2006Assignee: Lucite International UK LimitedInventors: Samuel David Jackson, David William Johnson, John David Scott, Gordon James Kelly, Brian Peter Williams
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Patent number: 6921519Abstract: A process for the decomposition and removal of one or more fluorine containing compounds from a first gaseous mixture comprising the one or more fluorine containing compounds and water vapour, which process comprises the stages of: (i) contacting the first gaseous mixture with a catalyst comprising an aluminium based material to produce a second gaseous mixture comprising hydrogen fluoride and carbon oxides; and (ii) removing the hydrogen fluoride from the second gaseous mixture to produce a third gaseous mixture, which is substantially free of hydrogen fluoride.Type: GrantFiled: January 24, 2002Date of Patent: July 26, 2005Assignee: Ineos Fluor Holdings LimitedInventors: Lee Colin Draper, John David Scott
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Publication number: 20040076569Abstract: A process for the decomposition and removal of one or more fluorine containing compounds from a first gaseous mixture comprising the one or more fluorine containing compounds and water vapour, which process comprises the stages of: (i) contacting the first gaseous mixture with a catalyst comprising an aluminium based material to produce a second gaseous mixture comprising hydrogen fluoride and carbon oxides; and (ii) removing the hydrogen fluoride from the second gaseous mixture to produce a third gaseous mixture, which is substantially free of hydrogen fluoride.Type: ApplicationFiled: December 8, 2003Publication date: April 22, 2004Inventors: Lee Colin Draper, John David Scott
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Publication number: 20040073072Abstract: Prior to carrying out a gaseous phase chemical reaction, a liquid phase organic compound which is prone to degrade is vaporised at elevated pressures with the aid of a second compound. In one embodiment of the invention, vaporisation is effected by co-vaporising a mixture of the two compounds in a vaporiser. In another embodiment, the first compound is injected into a hot gaseous stream and undergoes atomisation into droplets which then vaporise within the gaseous stream. The second compound is used to assist the atomisation process and/or to sweep atomised droplets of the first compound away from hot surfaces where the first compound would otherwise tend to undergo degradation if the droplets are allowed to reside in contact with such surfaces.Type: ApplicationFiled: July 18, 2003Publication date: April 15, 2004Inventors: John David Scott, Charles Brian Blake, Paul Nicholas Ewing, Jeremy Charles Bauser Hunns, Steven Toplis, Andrew Neil Irwin, Mark Spruce
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Publication number: 20030233012Abstract: The production of ethylenically unsaturated acids or esters by the catalytic reaction of an alkanoic acid or ester, especially methyl propionate, with formaldehyde, and a catalyst therefor wherein the catalyst comprises a porous high surface area silica containing 1-10% by weight of an alkali metal, especially cesium (expressed as a metal) and having compounds of at least one modifier element selected from boron, magnesium, aluminium, zirconium and hafnium dispersed in the pores of said silica in such amount that the catalyst contains a total of 0.25 to 2 gram atoms of primary modifier element per 100 moles of silica.Type: ApplicationFiled: January 17, 2003Publication date: December 18, 2003Inventors: Samuel David Jackson, David William Johnson, John David Scott, Gordon James Kelly, Brian Peter Williams
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Patent number: 6660130Abstract: Prior to carrying out a gaseous phase chemical reaction, a liquid phase organic compound which is prone to degrade is vaporized at elevated pressures with the aid of a second compound which together with the organic compound produces a mixture having a boiling point less than that of the organic compound. In one embodiment of the invention, vaporization is effected by co-vaporizing a mixture of the two compounds in a vaporiser. In another embodiment, the first compound is injected into a hot gaseous stream and undergoes atomization into droplets which then vaporize within the gaseous stream. The second compound is used to assist the atomization process and/or to sweep atomized droplets of the first compound away from hot surfaces where the first compound would otherwise tend to undergo degradation if the droplets are allowed to reside in contact with such surfaces.Type: GrantFiled: April 11, 2001Date of Patent: December 9, 2003Assignee: Ineos Fluor Holdings LimitedInventors: John David Scott, Charles Brian Blake, Paul Nicholas Ewing, Jeremy Charles Bauser Hunns, Steven Toplis, Andrew Neil Irwin, Mark Spruce
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Patent number: 6544924Abstract: The production of ethylenically unsaturated acids or esters by the catalytic reaction of an alkanoic acid or ester, especially methyl propionate, with formaldehyde, and a catalyst therefor wherein the catalyst comprises a porous high surface area silica containing 1-10% by weight of an alkali metal, especially cesium, (expressed as metal) and having compounds of at least one modifier element selected from boron, magnesium, aluminum, zirconium and hafnium dispersed in the pores of said silica in such amount that the catalyst contains a total of 0.25 to 2 gram atoms of primary modifier element per 100 moles of silica.Type: GrantFiled: December 1, 2000Date of Patent: April 8, 2003Assignee: Lucite International UK LimitedInventors: Samuel David Jackson, David William Johnson, John David Scott, Gordon James Kelly, Brian Peter Williams
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Patent number: 6403524Abstract: A chromia-based fluorination catalyst in which the chromia is at least partially crystalline and which may contain a zinc or a compound thereof, the production of the catalyst by sintering amorphous chromia and its use in fluorination processes.Type: GrantFiled: March 8, 1999Date of Patent: June 11, 2002Assignee: Imperial Chemical Industries PLCInventors: John David Scott, Michael John Watson, Graham Ramsbottom
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Patent number: 6288292Abstract: Prior to carrying out a gaseous phase chemical reaction, a liquid phase organic compound which is prone to degrade is vaporised at elevated pressures with the aid of a second compound. In one embodiment of the invention vaporisation is effected by co-vaporising a mixture of the two compounds in a vaporiser. In another embodiment, the first compound is injected into a hot gaseous stream and undergoes atomisation into droplets which then vaporise within the gaseous stream. The second compound is used to assist the atomisation process and/or to sweep atomised droplets of the first compound away from hot surfaces where the first compound would otherwise tend to undergo degradation if the droplets are allowed to reside in contact with such surfaces.Type: GrantFiled: November 29, 1999Date of Patent: September 11, 2001Assignee: Imperial Chemical Industries, PLCInventors: John David Scott, Charles Brian Blake, Paul Nicholas Ewing, Jeremy Charles Bauser Hunns
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Publication number: 20010012910Abstract: Prior to carrying out a gaseous phase chemical reaction, a liquid phase organic compound which is prone to degrade is vaporized at elevated pressures with the aid of a second compound. In one embodiment of the invention, vaporization is effected by co-vaporizing a mixture of the two compounds in a vaporizer. In another embodiment, the first compound is injected into a hot gaseous stream and undergoes atomization into droplets which then vaporize within the gaseous stream. The second compound is used to assist the atomization process and/or to sweep atomized droplets of the first compound away from hot surfaces where the first compound would otherwise tend to undergo degradation if the droplets are allowed to reside in contact with such surfaces.Type: ApplicationFiled: April 11, 2001Publication date: August 9, 2001Inventors: John David Scott, Charles Brian Blake, Paul Nicholas Ewing, Jeremy Charles Bauser Hunns, Steven Toplis, Andrew Neil Irwin, Mark Spruce
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Publication number: 20010011061Abstract: A chromia-based fluorination catalyst in which the chromia is at least partially crystalline and which may contain a zinc or a compound thereof, the production of the catalyst by sintering amorphous chromia and its use in fluorination processes.Type: ApplicationFiled: March 8, 1999Publication date: August 2, 2001Inventors: JOHN DAVID SCOTT, MICHAEL JOHN WATSON, GRAMHAM RAMSBOTTOM
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Patent number: 6160188Abstract: A process for the production of a hydrofluoroalkane is disclosed which comprises contacting a halofluorocarbon or hydrohalofluorocarbon with hydrogen at elevated temperature in the presence of a hydrogenation catalyst which comprises palladium and an alkali metal carried on a support.Type: GrantFiled: July 10, 1998Date of Patent: December 12, 2000Assignee: Imperial Chemical Industries PLCInventors: John David Scott, Gary Goodyear, John Charles McCarthy
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Patent number: 6127586Abstract: A process for the production of pentafluoroethane which comprises the steps (i) producing a composition comprising a compound of formula C.sub.2 HCl.sub.x F.sub.y in which x=1,2 or 3 and y=2,3 or 4 provided that x+y is 5, contaminated with a compound of formula C.sub.2 Cl.sub.x+1 F.sub.y, (ii) separating the compound of formula C.sub.2 HCl.sub.x F.sub.y from the compound of formula C.sub.2 Cl.sub.x+1 F.sub.y, and (iii) contacting the compound of formula C.sub.2 HCl.sub.x F.sub.y with hydrogen fluoride in the presence of a fluorination catalyst to produce pentafluoroethane is disclosed.Type: GrantFiled: February 4, 1999Date of Patent: October 3, 2000Assignee: Imperial Chemical Industries PLCInventors: John David Scott, Charles John Shields, Paul Nicholas Ewing
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Patent number: 6034288Abstract: Prior to carrying out a gaseous phase chemical reaction, a liquid phase organic compound which is prone to degrade is vaporised at elevated pressures with the aid of a second compound. In one embodiment of the invention, vaporisation is effected by co-vaporising a mixture of the two compounds in a vaporiser. In another embodiment, the first compound is injected into a hot gaseous stream and undergoes atomisation into droplets which then vaporise within the gaseous stream. The second compound is used to assist the atomisation process and/or to sweep atomised droplets of the first compound away from hot surfaces where the first compound would otherwise tend to undergo degradation if the droplets are allowed to reside in contact with such surfaces.Type: GrantFiled: September 25, 1995Date of Patent: March 7, 2000Assignee: Imperial Chemical Industries PLCInventors: John David Scott, Charles Brian Blake, Paul Nicholas Ewing
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Patent number: 5902913Abstract: A process for the co-production of two or more hydrofluoroalkanes which comprises contacting an alkene or a halogenated alkane with hydrogen fluoride at elevated temperature in the presence of a fluorination catalyst to produce a first hydrofluoroalkane and wherein an organic precursor to a second hydrofluoroalkane is provided in the process whereby to produce a second hydrofluoroalkane in addition to the first hydrofluoroalkane. In particularly preferred embodiments of the process, the first hydrofluoroalkane is 1,1,1,2-tetrafluoroethane derived from 1-chloro-2,2,2-trifluoroethane or trichloroethylene and the second hydrofluoroalkane is one or more of pentafluoroethane, difluoromethane and 1,1,2,2-tetrafluoroethane.Type: GrantFiled: February 6, 1997Date of Patent: May 11, 1999Assignee: Imperial Chemical Industries PLCInventors: Richard Llewellyn Powell, John David Scott, Charles John Shields, David William Bonniface
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Patent number: 5898088Abstract: A process for the production of pentafluoroethane which comprises the steps (i) producing a composition comprising a compound of formula C.sub.2 HCl.sub.x F.sub.y in which x=1, 2 or 3 and y=2, 3 or 4 provided that x+y is 5, contaminated with a compound of formula C.sub.2 Cl.sub.x+1 F.sub.y, (ii) separating the compound of formula C.sub.2 HCl.sub.x F.sub.y from the compound of formula C.sub.2 Cl.sub.x+1 F.sub.y and (iii) contacting the compound of formula C.sub.2 HCl.sub.x F.sub.y with hydrogen fluoride in the presence of a fluorination catalyst whereby to produce pentafluoroethane.Type: GrantFiled: June 14, 1996Date of Patent: April 27, 1999Assignee: Imperial Chemical Industries PLCInventors: John David Scott, Charles John Shields, Paul Nicholas Ewing
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Patent number: 5763707Abstract: There is provided a process for the production of pentafluoroethane which comprises contacting a hydrofluorochloroethane having the formula: C.sub.2 H.sub.1 Cl.sub.1+x F.sub.1+y wherein x and y are each independently 0,1,2 or 3 provided x+y is 3 with hydrogen fluoride in the vapor phase and in the presence of a fluorination catalyst which comprises zinc or a compound of zinc and chromia, chromium fluoride or chromium oxyfluoride.Type: GrantFiled: September 19, 1996Date of Patent: June 9, 1998Assignee: Imperial Chemical Industries PLCInventors: John David Scott, Michael John Watson, Paul Nicholas Ewing
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Patent number: 5763704Abstract: There is provided a process for the production of difluoromethane which comprises contacting a dichloromethane with hydrogen fluoride in the presence of a fluorination catalyst comprising zinc or a compound of zinc and metal oxide, fluoride or oxyfluoride.Type: GrantFiled: September 6, 1995Date of Patent: June 9, 1998Assignee: Imperial Chemical Industries PLCInventors: John David Scott, Michael John Watson, David William Bonniface
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Patent number: 5744658Abstract: A method of producing 1,1,1,2-tetrafluoroethane in two separation reaction zones involving (1) reaction of trichloroethylene and hydrogen fluoride to produce l,l,l-trifluoro-2-chloroethane and (2) reaction of the 1,1,1-trifluoro-2-chloroethane and hydrogen fluoride to produce 1,1,1,2-tetrafluoroethane wherein both reactions are carried out at superatmospheric pressure, reaction (2) is carried out at a temperature in the range of 250.degree.-450.degree. C., reaction (1) is carried out at a temperature in the range of 200.degree.-400.degree. C. but below that used in reaction (2) and unconverted 1,1,1-trifluoro-2-chloroethane is recycled for further reaction with hydrogen fluoride.Type: GrantFiled: July 18, 1996Date of Patent: April 28, 1998Assignee: Imperial Chemical Industries PLCInventors: John David Scott, Rachel Anne Steven