Patents by Inventor Ian Richard Matthews

Ian Richard Matthews 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).

  • Publication number: 20180265514
    Abstract: Choline salt of the CD80 antagonist compound 4-(6-fluoro-3-oxo-1,3-dihydro-pyrazolo[4,3-c]cinnolin-2-yl)-N-(2,2-difluoro-ethyl)-benzamide.
    Type: Application
    Filed: November 20, 2017
    Publication date: September 20, 2018
    Inventor: Ian Richard Matthews
  • Patent number: 8309552
    Abstract: Compounds of formula (I) are inhibitors of CD80 and useful in immunomodulation therapy: wherein R1 and R3 independently represent H; F; Cl; Br; —NO2; —CN; C1-C6 alkyl optionally substituted by F or Cl; or C1-C6 alkoxy optionally substituted by F; R4 represents a carboxylic acid group (—COOH) or an ester thereof, or —C(?O)NR6R7, —NR7C(?O)R6, —NR7C(?O)OR6, —NHC(?O)NR7R6 or —NHC(?S)NR7R6 wherein R6 represents H, or a radical of formula -(Alk)m-Q wherein m is 0 or 1, Alk is an optionally substituted divalent straight or branched C1-C12 alkylene, or C2-C12 alkenylene, or C2-C12 alkynylene radical or a divalent C3-C12 carbocyclic radical, any of which radicals may contain one or more —O—, —S— or —N(R8)— links wherein R8 represents H or C1-C4 alkyl, C3-C4 alkenyl, C3-C4 alkynyl, or C3-C6 cycloalkyl, and Q represents H; —NR9R10 wherein R9 and R10 independently represents H; C1-C4 alkyl; C3-C4 alkenyl; C3-C4 alkynyl; C3-C6 cycloalkyl; an ester group; an optionally substituted carbocyclic or heterocyclic group; or
    Type: Grant
    Filed: August 24, 2009
    Date of Patent: November 13, 2012
    Assignee: Medigene AG
    Inventor: Ian Richard Matthews
  • Patent number: 8163757
    Abstract: The present invention relates to compounds of formula (IA) or (IB) or pharmaceutically or veterinarily acceptable salt thereof:
    Type: Grant
    Filed: September 2, 2010
    Date of Patent: April 24, 2012
    Assignee: MediGene AG
    Inventor: Ian Richard Matthews
  • Patent number: 7932253
    Abstract: N-(1-Aza-bicyclo[2.2.2]oct-3-yl)-4-(6,9-difluoro-3-oxo-1,3-dihydro-pyrazolo[4,3-c]cinnolin-2-yl)-benzamide is a CD80 antagonist, useful in the treatment of diseases which benefit from immuno-inhibition.
    Type: Grant
    Filed: August 9, 2004
    Date of Patent: April 26, 2011
    Assignee: MediGene AG
    Inventor: Ian Richard Matthews
  • Publication number: 20100331342
    Abstract: Compounds of formula (IA) or (IB) are inhibitors of CD80 and useful in immunomodulation therapy: wherein Ar represents an optionally substituted monocyclic or bicyclic aromatic or heteroaromatic group having from 5 to 10 ring atoms; R1 and R2 independently represent H, or C1-C6 alkyl; R3 represents H; F; Cl; Br; —NO2; —CN; C1-C6 alkyl optionally substituted by F or CI; or C1-C6 alkoxy optionally substituted by F; R4 represents a carboxylic acid group (—COOH) or an ester thereof, or —C(?O)NR6R7, —NR7C(?O)R6, —NHC(?O)NR7R6 or —NHC(?S)NR7R6 wherein R6 represents H, or a radical of formula -(Alk)m-Q wherein m is 0 or 1, Alk is an optionally substituted divalent straight or branched C1-C12 alkylene, or C2-C12 alkenylene, or C2-C12 alkynylene radical or a divalent C3-C12 carbocyclic radical, any of which radicals may be interrupted by one or more —O—, —S— or —N(R8)— radicals wherein R8 represents H or C1-C4 alkyl, C3-C4 alkenyl, C3-C4 alkynyl, or C3-C6 cycloalkyl, and Q represents H; —CF3;—OH; —SH; —NR8R8 wherein e
    Type: Application
    Filed: September 2, 2010
    Publication date: December 30, 2010
    Applicant: Medigene Limited
    Inventor: Ian Richard Matthews
  • Patent number: 7816361
    Abstract: Compounds of formula (IA) or (IB) are inhibitors of CD80 and useful in immunomodulation therapy: wherein Ar represents an optionally substituted monocyclic or bicyclic aromatic or heteroaromatic group having from 5 to 10 ring atoms; R1 and R2 independently represent H, or C1-C6 alkyl; R3 represents H; F; CI; Br, —NO2; —CN; C1-C6 alkyl optionally substituted by F or CI; or C1-C6 alkoxy optionally substituted by F; R4 represents a carboxylic acid group (—COOH) or an ester thereof, or —C(?O)NR6R7, —NR7C(?O)R6, —NR7C(?O)OR6, —NHC(?O)NR7R6 or —NHC(?S)NR7R6 wherein R6 represents H, or a radical of formula -(Alk)m-Q wherein m is 0 or 1, Alk is an optionally substituted divalent straight or branched C1-C12 alkylene, or C2-C12 alkenylene, or C2-C12 alkynylene radical or a divalent C3-C12 carbocyclic radical, any of which radicals may be interrupted by one or more —O—, —S— or —N(R8)— radicals wherein R8 represents H or C1-C4 alkyl, C3-C4 alkenyl, C3-C4 alkynyl, or C3-C6 cycloalkyl, and Q represents H; —CF3; —OH; —SH; —
    Type: Grant
    Filed: November 2, 2004
    Date of Patent: October 19, 2010
    Assignee: Medigene Limited
    Inventor: Ian Richard Matthews
  • Patent number: 7674906
    Abstract: The present invention relates to novel heterocyclic compounds, to methods for their preparation, to compositions containing them, and to methods and use for clinical treatment of medical conditions which may benefit from immunomodulation, including rheumatoid arthritis, multiple sclerosis, diabetes, asthma, transplantation, systemic lupus erythematosis and psoriasis. More particularly, the present invention relates to novel heterocyclic compounds, which are CD80 antagonists capable of inhibiting the interactions between CD80 and CD28.
    Type: Grant
    Filed: December 12, 2003
    Date of Patent: March 9, 2010
    Assignee: Active Biotech AB
    Inventors: Ian Richard Matthews, Philip Huxley, Filippo Magaraci, Chris James Brennan, Muhammed Kamal Uddin, Lars Olof Göran Pettersson, Dorthe da Graca Thrige
  • Publication number: 20090312334
    Abstract: Compounds of formula (I) are inhibitors of CD80 and useful in immunomodulation therapy: wherein R1 and R3 independently represent H; F; Cl; Br; —NO2; —CN; C1-C6 alkyl optionally substituted by F or Cl; or C1-C6 alkoxy optionally substituted by F; R4 represents a carboxylic acid group (—COOH) or an ester thereof, or —C(?O)NR6R7, —NR7C(?O)R6, —NR7C(?O)OR6, —NHC(?O)NR7R6 or —NHC(?S)NR7R6 wherein R6 represents H, or a radical of formula -(Alk)m-Q wherein m is 0 or 1, Alk is an optionally substituted divalent straight or branched C1-C12 alkylene, or C2-C12 alkenylene, or C2-C12 alkynylene radical or a divalent C3-C12 carbocyclic radical, any of which radicals may contain one or more —O—, —S— or —N(R8)— links wherein R8 represents H or C1-C4 alkyl, C3-C4 alkenyl, C3-C4 alkynyl, or C3-C6 cycloalkyl, and Q represents H; —NR9R10 wherein R9 and R10 independently represents H; C1-C4 alkyl; C3-C4 alkenyl; C3-C4 alkynyl; C3-C6 cycloalkyl; an ester group; an optionally substituted carbocyclic or heterocyclic group; or
    Type: Application
    Filed: August 24, 2009
    Publication date: December 17, 2009
    Applicant: Medigene Limited
    Inventor: Ian Richard Matthews
  • Patent number: 7598247
    Abstract: Compounds of formula (I) are inhibitors of CD80 and useful in immunomodulation therapy: wherein R1 and R3 independently represent H; F; Cl; Br; —NO2; —CN; C1-C6 alkyl optionally substituted by F or Cl; or C1-C6 alkoxy optionally substituted by F; R4 represents a carboxylic acid group (—COOH) or an ester thereof, or —C(?O)NR6R7, —NR7C(?O)R6, —NR7C(?O)OR6, —NHC(?O)NR7R6 or —NHC(?S)NR7R6 wherein R6 represents H, or a radical of formula -(Alk)m-Q wherein m is 0 or 1, Alk is an optionally substituted divalent straight or branched C1-C12 alkylene, or C2-C12 alkenylene, or C2-C12 alkynylene radical or a divalent C3-C12 carbocyclic radical, any of which radicals may contain one or more —O—, —S— or —N(R8)— links wherein R8 represents H or C1-C4 alkyl, C3-C4 alkenyl, C3-C4 alkynyl, or C3-C6 cycloalkyl, and Q represents H; —NR9R10 wherein R9 and R10 independently represents H; C1-C4 alkyl; C3-C4 alkenyl; C3-C4 alkynyl; C3-C6 cycloalkyl; an ester group; an optionally substituted carbocyclic or heterocyclic group; or
    Type: Grant
    Filed: August 28, 2007
    Date of Patent: October 6, 2009
    Assignee: Medigene Limited
    Inventor: Ian Richard Matthews
  • Publication number: 20090221590
    Abstract: The choline salt of the CD80 antagonist compound 4-(6-fluoro-3-oxo-1,3-dihydro-pyrazolo[4,3-c]cinnolin-2-yl)-N-(2,2-difluoro-ethyl)-benzamide (I) has good aqueous solubility and is therefore convenient for pharmaceutical use.
    Type: Application
    Filed: February 19, 2007
    Publication date: September 3, 2009
    Applicant: MEDIGENE LIMITED
    Inventor: Ian Richard Matthews
  • Publication number: 20090062289
    Abstract: N-(1-Aza-bicyclo[2.2.2]oct-3-yl)-4-(6,9-difluoro-3-oxo-1,3-dihydro-pyrazolo[4,3-c]cinnolin-2-yl)-benzamide is a CD80 antagonist, useful in the treatment of dieases which benefit from immuno-inhibition.
    Type: Application
    Filed: August 9, 2004
    Publication date: March 5, 2009
    Applicant: AVIDEX LIMITED
    Inventor: Ian Richard Matthews
  • Patent number: 7291612
    Abstract: The present invention relates to novel heterocyclic compounds, to methods for their preparation, to compositions containing them, and to methods and use for clinical treatment of medical conditions which may benefit from immunomodulation, including rheumatoid arthritis, multiple sclerosis, diabetes, asthma, transplantation, systemic lupus erythematosis and psoriasis. More particularly the present invention relates to novel heterocyclic compounds, which are CD80 antagonists capable of inhibiting the interactions between CD80 and CD28.
    Type: Grant
    Filed: May 30, 2006
    Date of Patent: November 6, 2007
    Assignee: Active Biotech A.B.
    Inventors: Ian Richard Matthews, Thomas Stephen Coutler, Chiara Ghiron, Chris James Brennan, Muhammed Kamal Uddin, Lars Olof Goran Pettersson, Dorthe da Graca Thrige, Philip Huxley
  • Patent number: 7276505
    Abstract: Compounds of formula (I) are inhibitors of CD80 and useful in immunomodulation therapy: wherein R1 and R3 independently represent H; F; CI; Br; —NO2; —CN; C1-C6 alkyl optionally substituted by F or Cl; or C1-C6 alkoxy optionally substituted by F; R4 represents a carboxylic acid group (—COOH) or an ester thereof, or —C(?O)NR6R7, —NR7C(?O)R6, —NR7C(?O)OR6, —NHC(?O)NR7R6 or —NHC(?S)NR7R6 wherein R6 represents H, or a radical of formula -(Alk)m-Q wherein m is 0 or 1, Alk is an optionally substituted divalent straight or branched C1-C12 alkylene, or C2-C12 alkenylene, or C2-C12 alkynylene radical or a divalent C3-C12 carbocyclic radical, any of which radicals may contain one or more —O—, —S— or —N(R8)— links wherein R8, represents H or C1-C4 alkyl, C3-C4 alkenyl, C3-C4 alkynyl, or C3-C6 cycloalkyl, and Q represents H; —NR9R10 wherein R9 and R10 independently represents H; C1-C4 alkyl; C3-C4 alkenyl; C3-C4 alkynyl; C3-C6 cycloalkyl; an ester group; an optionally substituted carbocyclic or heterocyclic group; or R9
    Type: Grant
    Filed: March 10, 2004
    Date of Patent: October 2, 2007
    Assignee: Medigene Limited
    Inventor: Ian Richard Matthews
  • Patent number: 7141583
    Abstract: Compounds of the formula (I), or a pharmaceutically acceptable salt, or an in-vivo-hydrolysable ester thereof, wherein HET is an N-linked 5-membered heteroaryl ring, optionally substituted on a C atom by an oxo or thioxo group; and/or by 1 or 2 (1–4C)alkyl groups; and/or on an available nitrogen atom by (1–4C)alkyl; or HET is an N-linked 6-membered heteroaryl ring containing up to three nitrogen heteroatoms in total, optionally substituted on a C atom as above; Q is selected from, for example, Q1 R2 and R3 are independently hydrogen or fluoro; T is selected from a range of groups, for example, of formula (TC5) wherein Rc is, for example, R13CO—, R13SO2— or R13CS—; wherein R13 is, for example, optionally substituted (1–10C)alkyl or R14C(O)O(1–6C)alkyl wherein R14 is optionally substituted (1–10C)alkyl; are useful as antibacterial agents; and processes for their manufacture and pharmaceutical compositions containing them are described.
    Type: Grant
    Filed: April 23, 2001
    Date of Patent: November 28, 2006
    Assignee: AstraZeneca AB
    Inventors: Michael Barry Gravestock, Michael John Betts, Ian Richard Matthews, David Alan Griffin
  • Patent number: 7081456
    Abstract: The present invention relates to novel heterocyclic compounds, to methods for their preparation, to compositions containing them, and to methods and use for clinical treatment of medical conditions which may benefit from immunomodulation, including rheumatoid arthritis, multiple sclerosis, diabetes, asthma, transplantation, systemic lupus erythematosis and psoriasis. More particularly the present invention relates to novel heterocyclic compounds, which are CD80 antagonists capable of inhibiting the interactions between CD80 and CD28.
    Type: Grant
    Filed: November 21, 2003
    Date of Patent: July 25, 2006
    Assignee: Active Biotech AB
    Inventors: Ian Richard Matthews, Thomas Stephen Coulter, Chiara Ghiron, Chris James Brennan, Muhammed Kamal Uddin, Lars Olof Göran Pettersson, Dorthe da Graca Thrige, Philip Huxley
  • Publication number: 20040116461
    Abstract: The present invention relates to novel heterocyclic compounds, to methods for their preparation, to compositions containing them, and to methods and use for clinical treatment of medical conditions which may benefit from immunomodulation, including rheumatoid arthritis, multiple sclerosis, diabetes, asthma, transplantation, systemic lupus erythematosis and psoriasis. More particularly the present invention relates to novel heterocyclic compounds, which are CD80 antagonists capable of inhibiting the interactions between CD80 and CD28.
    Type: Application
    Filed: November 21, 2003
    Publication date: June 17, 2004
    Applicant: ACTIVE BIOTECH AB
    Inventors: Ian Richard Matthews, Thomas Stephen Coulter, Chiara Ghiron, Chris James Brennan, Muhammed Kamal Uddin, Lars Olof Goran Pettersson, Dorthe da Graca Thrige, Philip Huxley
  • Publication number: 20030216373
    Abstract: Compounds of the formula (I), or a pharmaceutically acceptable salt, or an in-vivo-hydrolysable ester thereof, 1
    Type: Application
    Filed: May 6, 2003
    Publication date: November 20, 2003
    Inventors: Michael Barry Gravestock, Michael John Betts, Ian Richard Matthews, David Alan Griffin
  • Patent number: 6465457
    Abstract: Fungicidal compounds of formula (I): wherein W is CH3O.
    Type: Grant
    Filed: August 18, 1994
    Date of Patent: October 15, 2002
    Assignee: Zeneca Limited
    Inventors: Ian Richard Matthews, Christopher Richard Ayles Godfrey, John Martin Clough
  • Patent number: 5939563
    Abstract: Compounds of formula (XXIII): ##STR1## wherein p is 0 or 1, and processes for making such compounds.
    Type: Grant
    Filed: March 30, 1998
    Date of Patent: August 17, 1999
    Assignee: ZENECA Limited
    Inventor: Ian Richard Matthews
  • Patent number: 5830890
    Abstract: Compounds, useful as plant fungicides, having the formula (I): ##STR1## or a stereoisomer thereof, wherein A is CH or N, B is OCH.sub.3 or NHCH.sub.3, X is CH.sub.2, CH.sub.2 O, O or S, Y is R.sup.1 --C.dbd.C--R.sup.2 or R.sup.1 --CH--CH--R.sup.2 wherein R.sup.1 and R.sup.2 are independently H, halo, hydroxy, alkyl, haloalkyl, alkoxy, haloalkoxy, cyano, nitro, amino, mono- or dialkylamino, alkanoylamino, carboxy, alkoxycarbonyl, aminocarbonyl, mono- or di-alkylaminocarbonyl, alkylcarbonyloxy, optionally substituted aryl, optionally substituted aralkyl or optionally substituted aryloxy or R.sup.1 and R.sup.2 join to form with the carbon atoms to which they are attached an optionally substituted benzene ring, and Z is CH.sub.2, CHCH.sub.3, C(CH.sub.3).sub.2 or C.dbd.O.
    Type: Grant
    Filed: September 30, 1996
    Date of Patent: November 3, 1998
    Assignee: Zeneca Limited
    Inventors: Ian Richard Matthews, Paul John deFraine, Patrick Jelf Crowley, John Williams