Patents by Inventor Ian Baxter Campbell

Ian Baxter Campbell 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: 10513517
    Abstract: A compound of formula (I) or a salt thereof: wherein R1 represents a five-membered aromatic heterocycle selected from a N- or a C-linked mono- or di-substituted pyrazole, an N- or a C-linked optionally mono- or di-substituted triazole or an N- or a C-linked optionally mono- or di-substituted imidazole, which five-membered aromatic heterocycle may be substituted by one or two of the groups selected from a hydrogen atom, a methyl group, an ethyl group, a fluorine atom, a hydroxymethyl group, a 2-hydroxypropan-2-yl group, a trifluoromethyl group, a difluoromethyl group or a fluoromethyl group, except that when R1 represents an N-linked mono- or di-substituted pyrazole, R1 does not represent 3,5-Dimethyl-1H-pyrazol-1-yl, 5-Methyl-1H-pyrazol-1-yl, 5-Ethyl-3-methyl-1H-pyrazol-1-yl, 3,5-Diethyl-1H-pyrazol-1-yl, 4-Fluoro-3,5-dimethyl-1H-pyrazol-1-yl, 3-Methyl-1H-pyrazol-1-yl or 1H-pyrazol-1-yl.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: December 24, 2019
    Assignee: GlaxoSmithKline Intellectual Property Development Limited
    Inventors: Niall Andrew Anderson, Ian Baxter Campbell, Matthew Howard James Campbell-Crawford, Ashley Paul Hancock, Seble Lemma, Simon John Fawcett MacDonald, John Martin Pritchard, Panayiotis Alexandrou Procopiou
  • Publication number: 20190048005
    Abstract: A compound of formula (I) or a salt thereof: wherein R1 represents a five-membered aromatic heterocycle selected from a N- or a C-linked mono- or di-substituted pyrazole, an N- or a C-linked optionally mono- or di-substituted triazole or an N- or a C-linked optionally mono- or di-substituted imidazole, which five-membered aromatic heterocycle may be substituted by one or two of the groups selected from a hydrogen atom, a methyl group, an ethyl group, a fluorine atom, a hydroxymethyl group, a 2-hydroxypropan-2-yl group, a trifluoromethyl group, a difluoromethyl group or a fluoromethyl group, except that when R1 represents an N-linked mono- or di-substituted pyrazole, R1 does not represent 3,5-Dimethyl-1H-pyrazol-1-yl, 5-Methyl-1H-pyrazol-1-yl, 5-Ethyl-3-methyl-1H-pyrazol-1-yl, 3,5-Diethyl-1H-pyrazol-1-yl, 4-Fluoro-3,5-dimethyl-1H-pyrazol-1-yl, 3-Methyl-1H-pyrazol-1-yl or 1H-pyrazol-1-yl.
    Type: Application
    Filed: October 19, 2018
    Publication date: February 14, 2019
    Inventors: Niall Andrew ANDERSON, Ian Baxter CAMPBELL, Matthew Howard James CAMPBELL-CRAWFORD, Ashley Paul HANCOCK, Seble LEMMA, Simon John Fawcett MACDONALD, John Martin PRITCHARD, Panayiotis Alexandrou PROCOPIOU
  • Patent number: 10144733
    Abstract: A compound of formula (I) or a salt thereof: wherein R1 represents a five-membered aromatic heterocycle selected from a N- or a C-linked mono- or di-substituted pyrazole, an N- or a C-linked optionally mono- or di-substituted triazole or an N- or a C-linked optionally mono- or di-substituted imidazole, which five-membered aromatic heterocycle may be substituted by one or two of the groups selected a methyl group, an ethyl group, a fluorine atom, a hydroxymethyl group, a 2-hydroxypropan-2-yl group, a trifluoromethyl group, a difluoromethyl group or a fluoromethyl group, except that when R1 represents an N-linked mono- or di-substituted pyrazole, R1 does not represent 3,5-Dimethyl-1H-pyrazol-1-yl, 5-Methyl-1H-pyrazol-1-yl, 5-Ethyl-3-methyl-1H-pyrazol-1-yl, 3,5-Diethyl-1H-pyrazol-1-yl, 4-Fluoro-3,5-dimethyl-1H-pyrazol-1-yl, 3-Methyl-1H-pyrazol-1-yl or 1H-pyrazol-1-yl.
    Type: Grant
    Filed: September 22, 2015
    Date of Patent: December 4, 2018
    Assignee: GlaxoSmithKline Intellectual Property Development Limited
    Inventors: Niall Andrew Anderson, Ian Baxter Campbell, Matthew Howard James Campbell-Crawford, Ashley Paul Hancock, Seble Lemma, Simon John Fawcett MacDonald, John Martin Pritchard, Panayiotis Alexandrou Procopiou
  • Publication number: 20170291899
    Abstract: A compound of formula (I) or a salt thereof: wherein R1 represents a five-membered aromatic heterocycle selected from a N- or a C-linked mono- or di-substituted pyrazole, an N- or a C-linked optionally mono- or di-substituted triazole or an N- or a C-linked optionally mono- or di-substituted imidazole, which five-membered aromatic heterocycle may be substituted by one or two of the groups selected a methyl group, an ethyl group, a fluorine atom, a hydroxymethyl group, a 2-hydroxypropan-2-yl group, a trifluoromethyl group, a difluoromethyl group or a fluoromethyl group, except that when R1 represents an N-linked mono- or di-substituted pyrazole, Ri does not represent 3,5-Dimethyl-1H-pyrazol-1-yl, 5-Methyl-1H-pyrazol-1-yl, 5-Ethyl-3-methyl-1H-pyrazol-1-yl, 3,5-Diethyl-1H-pyrazol-1-yl, 4-Fluoro-3,5-dimethyl-1H-pyrazol-1-yl, 3-Methyl-1H-pyrazol-1-yl or 1H-pyrazol-1-yl.
    Type: Application
    Filed: September 22, 2015
    Publication date: October 12, 2017
    Inventors: Niall Andrew ANDERSON, Ian Baxter CAMPBELL, Matthew Howard James CAMPBELL-CRAWFORD, Ashley Paul HANCOCK, Seble LEMMA, Simon John Fawcett MACDONALD, John Martin PRITCHARD, Panayiotis Alexandrou PROCOPIOU
  • Patent number: 8399444
    Abstract: The present invention relates to compounds of formula (I): or pharmaceutically acceptable salts or solvates thereof, processes for their preparation, pharmaceutical compositions containing these compounds, and their use in the treatment of allergic disorders, such as allergic rhinitis and asthma.
    Type: Grant
    Filed: December 16, 2009
    Date of Patent: March 19, 2013
    Assignee: GlaxoSmithKline Intellectual Property Development Ltd.
    Inventors: Ian Baxter Campbell, Simon Peace, John Martin Pritchard, Daniel Tape, Robert Charles Wheeler
  • Publication number: 20120277279
    Abstract: The present invention provides compounds of formula (I): a process for their preparation, to pharmaceutical compositions comprising the compounds and the preparation of said compositions, to intermediates and to use of the compounds for the manufacture of a medicament for therapeutic treatment, particularly for the treatment of inflammation, allergy and/or auto-immune conditions.
    Type: Application
    Filed: July 13, 2012
    Publication date: November 1, 2012
    Inventors: Heather Anne BARNETT, Ian Baxter Campbell, Diane Mary Coe, Anthony William James Cooper, Graham George Adam Inglis, Haydn Terence Jones, Steven Philip Keeling, Simon John Fawcett MacDonald, Iain McFarlane McLay, Philip Alan Skone, Gordon Gad Weingarten, James Michael Woolven
  • Patent number: 8247377
    Abstract: The present invention provides compounds of formula (I): a process for their preparation, to pharmaceutical compositions comprising the compounds and the preparation of said compositions, to intermediates and to use of the compounds for the manufacture of a medicament for therapeutic treatment, particularly for the treatment of inflammation, allergy and/or autoimmune conditions.
    Type: Grant
    Filed: June 11, 2007
    Date of Patent: August 21, 2012
    Assignee: Glaxo Group Limited
    Inventors: Heather Anne Barnett, Ian Baxter Campbell, Diane Mary Coe, Anthony William James Cooper, Graham George Adam Inglis, Haydn Terence Jones, Steven Philip Keeling, Simon John Fawcett MacDonald, Iain McFarlane McLay, Philip Alan Skone, Gordon Gad Weingarten, James Michael Woolven
  • Publication number: 20110245310
    Abstract: The present invention relates to compounds of formula (I): or pharmaceutically acceptable salts or solvates thereof, processes for their preparation, pharmaceutical compositions containing these compounds, and their use in the treatment of allergic disorders, such as allergic rhinitis and asthma.
    Type: Application
    Filed: December 16, 2009
    Publication date: October 6, 2011
    Inventors: Ian Baxter Campbell, Simon Peace, John Martin Pritchard, Daniel Tape, Robert Charles Wheeler
  • Publication number: 20100234441
    Abstract: The present invention provides compounds of formula (I): a process for their preparation, to pharmaceutical compositions comprising the compounds and the preparation of said compositions, to intermediates and to use of the compounds for the manufacture of a medicament for therapeutic treatment, particularly for the treatment of inflammation, allergy and/or autoimmune conditions.
    Type: Application
    Filed: June 11, 2007
    Publication date: September 16, 2010
    Inventors: Heather Anne Barnett, Ian Baxter Campbell, Diane Mary Coe, Anthony William James Cooper, Graham George Adam Inglis, Haydn Terence Jones, Steven Philip Keeling, Simon John Fawcett MacDonald, Iain McFarlane McLay, Philip Alan Skone, Gordon Gad Weingarten, James Michael Woolven
  • Publication number: 20100035926
    Abstract: The present invention provides compounds of formula (I): a process for their preparation, to pharmaceutical compositions comprising the compounds and the preparation of said compositions, to intermediates, and to use of the compounds for the manufacture of a medicament for therapeutic treatment, particularly for the treatment of inflammation.
    Type: Application
    Filed: December 19, 2007
    Publication date: February 11, 2010
    Inventors: Ian Baxter Campbell, Diane Mary Coe, Anthony William James Cooper, Graham George Adam Inglis, Haydn Terence Jones, Steven Philip Keeling, Simon John Fawcett MacDonald, Philip Alan Skone, Gordon Gad Weingarten
  • Patent number: 7223772
    Abstract: The invention provides the compounds of formula (I) and pharmaceutically acceptable derivatives thereof wherein: R0 and R1 are independently selected from the group consisting of H, halogen, C1-6alkyl, C1-6alkoxy, and C1-6alkoxy substituted by one or more fluorine atoms; R2 is selected from the group consisting of H, C1-6alkyl, C1-6alkyl substituted by one or more fluorine atoms, C1-6alkoxy, C1-6hydroxyalkyl, SC1-6alkyl, C(O)H, C(O)C1-6alkyl, C1-6alkylsulphonyl, and C1-6alkoxy substituted by one or more fluorine atoms; and R3 is C1-6alkyl or NH2. Compounds of formula (I) are potent and selective inhibitors of COX-2 and are of use in the treatment of the pain, fever, inflammation of a variety of conditions and diseases.
    Type: Grant
    Filed: November 1, 1999
    Date of Patent: May 29, 2007
    Assignee: SmithKline Beecham Corporation
    Inventors: Ian Baxter Campbell, Alan Naylor
  • Patent number: 6861429
    Abstract: The invention provides a pharmaceutical composition comprising a compound of formula (I) or a pharmaceutically acceptable salt, solvate, ester or salt or solvate of such ester, of a compound of formula (I) in which: R0 is halogen, C1-6alkyl, C1-6alkoxy, C1-6alkoxy substituted by one or more fluorine atoms, or O(CH2)nNR4R5; R1 and R2 are independently selected from H, C1-6alkyl, C1-6alkyl substituted by one or more fluorine atoms, C1-6alkoxy, C1-6hydroxyalkyl, SC1-6alkyl, C(O)H, C(O)C1-6alkyl, C1-6alkylsulphonyl, C1-6alkoxy substituted by one or more fluorine atoms, O(CH2)nCO2C1-6alkyl, O(CH2)nSC1-6alkyl, (CH2)nNR4R5, (CH2)nSC1-6alkyl or C(O)NR4R5; with the proviso that when R0 is at the 4-position and is halogen, at least one of R1 and R2 is C1-6alkylsulphonyl, C1-6alkoxy substituted by one or more fluorine atoms, O(CH2)nCO2C1-6alkyl, O(CH2)nSC1-6alkyl, (CH2)nNR4R5 or (CH2)nSC1-6alkyl, C(O)NR4R5; R3 is C1-6alkyl or NH2; R4 and R5 are independently selected from H and C1-6alkyl or, together with the nit
    Type: Grant
    Filed: August 5, 2002
    Date of Patent: March 1, 2005
    Assignee: SmithKline Beecham Corporation
    Inventors: Paul John Beswick, Charanjit Bountra, Ian Baxter Campbell, Neil Matthews, Alan Naylor
  • Patent number: 6831097
    Abstract: The invention provides the compounds of formula (I) and pharmaceutically acceptable derivatives thereof in which: R0 is halogen, C1-6alkyl, C1-6alkoxy, C1-6alkoxy substituted by one or more fluorine atoms, or O(CH2)nNR4R5; R1 and R2 are independently selected from H, C1-6alkyl, C1-6alkyl substituted by one or more fluorine atoms, C1-6alkoxy, C1-6hydroxyalkyl, SC1-6alkyl, C(O)H, C(O)C1-6alkyl, C1-6alkylsulphonyl, C1-6alkoxy substituted by one or more fluorine atoms, O(CH2)nCO2C1-6alkyl, O(CH2)nSC1-6alkyl, (CH2)nNR4R5, (CH2)nSC1-6alkyl or C(O)NR4R5; with the proviso that when R0 is at the 4-position and is halogen, at least one of R1 and R2 is C1-6alkylsulphonyl, C1-6alkoxy substituted by one or more fluorine atoms, O(CH2)nCO2C1-6alkyl, O(CH2)nSC1-6alkyl, (CH2)nNR4R5 or (CH2)nSC1-6alkyl, C(O)NR4R5; R3 is C1-6alkyl or NH2; R4 and R5 are independently selected from H, or C1-6alkyl or, together with the nitrogen atom to which they are attached, form a 4-8 membered saturated ring; and n is 1-
    Type: Grant
    Filed: August 5, 2002
    Date of Patent: December 14, 2004
    Assignee: SmithKline Beecham Corporation
    Inventors: Paul John Beswick, Ian Baxter Campbell, Neil Mathews, Alan Naylor
  • Patent number: 6541490
    Abstract: Compounds and methods of preparing compounds represented by structural formula (I): wherein X represents any suitable counter-anion; R1 and R2 independently represent hydrogen, C1-6 alkoxy or nitro; R3, R4, R5 and R6 each independently represents hydrogen, hydroxy, halo, C1-6 alkyl, C2-6 alkenyl or C1-6 alkoxy; and R7, R8, R9 and R10 each independently represents hydrogen, hydroxy, halo, C1-6 alkyl, C2-6 alkenyl or C1-6 alkoxy. Compounds represented by structural formula (I) are useful in treating or preventing free radical-associated diseases or conditions in mammals.
    Type: Grant
    Filed: November 27, 2000
    Date of Patent: April 1, 2003
    Assignee: Eukarion, Inc.
    Inventors: Ian Baxter Campbell, Ann Louise Walker, Philip Charles Box, Gerard Martin Paul Giblin, George Edward Tranter
  • Publication number: 20030040517
    Abstract: The invention provides the compounds of formula (I) 1
    Type: Application
    Filed: August 5, 2002
    Publication date: February 27, 2003
    Inventors: Paul John Beswick, Charanjit Bountra, Ian Baxter Campbell, Neil Mathews, Alan Naylor
  • Publication number: 20030008872
    Abstract: The invention provides the compounds of formula (I) 1
    Type: Application
    Filed: August 5, 2002
    Publication date: January 9, 2003
    Inventors: Paul John Beswick, Ian Baxter Campbell, Neil Mathews, Alan Naylor
  • Patent number: 6498166
    Abstract: The invention provides the compounds of formula (I) wherein: R0 and R1 are independently selected from H, halogen, C1-6alkyl, C1-6alkoxy, or C1-6alkoxy substituted by one or more fluorine atoms; R2 is halogen, CN, CONR4R5, CO2H, CO2C1-6alkyl, or NHSO2R4; R3 is C1-6alkyl or NH2; and R4 and R5 are independently selected from H, C1-6alkyl, phenyl, phenyl substituted by one or more atoms or groups (selected from halogen, C1-6alkyl, C1-6alkoxy, or C1-6alkoxy substituted by one or more fluorine atoms), or together with the nitrogen atom to which they are attached form a saturated 4 to 8 membered ring; and pharmaceutically acceptable derivatives thereof. Compounds of formula (I) are potent and selective inhibitors of COX-2 and are of use in the treatment of the pain, fever, inflammation of a variety of conditions and diseases.
    Type: Grant
    Filed: August 30, 2001
    Date of Patent: December 24, 2002
    Assignee: SmithKline Beecham Corporation
    Inventors: Ian Baxter Campbell, Paul Francis Lambeth, Alan Naylor, Neil Anthony Pegg
  • Patent number: 6451794
    Abstract: The invention provides the compounds of formula (I) and pharmaceutically acceptable derivatives thereof in which: R0 is halogen, C1-6alkyl, C1-6alkoxy, C1-6alkoxy substituted by one or more fluorine atoms, or O(CH2)nNR4R5; R1 and R2 are independently selected from H, C1-6alkyl, C1-6alkyl, substituted by one or more fluorine atoms, C1-6alkoxy, C1-6hydroxyalkyl, SC1-6alkyl, C(O)H, C(O)C1-6alkyl, C1-6alkylsulphonyl, C1-6alkoxy substituted by one or more fluorine atoms, O(CH2)nCO2C1-6alkyl, O(CH2)nSC1-6alkyl, (CH2)nNR4R5, (CH2)nSC1-6alkyl or C(O)NR4R5; with the proviso that when R0 is at the 4-position and is halogen, at least one of R1 and R2 is C1-6alkylsulphonyl, C1-6alkoxy substituted by one or more fluorine atoms, O(CH2)nCO2C1-6alkyl, O(CH2)nSC1-6alkyl, (CH2)nNR4R5 or (CH2)nSC1-6alkyl, C(O)NR4R5; R3 is C1-6alkyl or NH2; R4 and R5 are independently selected from H, or C1-6alkyl or, together with the nitrogen atom to which they are attached, form a 4-8 membered saturated ring; and n is 1-4.
    Type: Grant
    Filed: June 13, 2000
    Date of Patent: September 17, 2002
    Assignee: Smithkline Beecham Corporation
    Inventors: Paul John Beswick, Ian Baxter Campbell, Neil Mathews, Alan Naylor
  • Patent number: 6177419
    Abstract: Compounds and methods of preparing compounds represented by structural formula (I): wherein X represents any suitable counter-anion; R1 and R2 independently represent hydrogen, C1-6 alkoxy or nitro; R3, R4, R5 and R6 each independently represents hydrogen, hydroxy, halo, C1-6 alkyl, C2-6 alkenyl or C1-6 alkoxy; and R7, R8, R9 and R10 each independently represents hydrogen, hydroxy, halo, C1-6 alkyl, C2-6 alkenyl or C1-6 alkoxy. Compounds represented by structural formula (I) are useful in treating or preventing free radical-associated diseases or conditions in mammals.
    Type: Grant
    Filed: August 17, 1999
    Date of Patent: January 23, 2001
    Assignee: Eukarion, Inc.
    Inventors: Ian Baxter Campbell, Ann Louise Walker, Philip Charles Box, Gerard Martin Paul Giblin, George Edward Tranter