Patents by Inventor Christopher Walpole

Christopher Walpole 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: 11485720
    Abstract: The present invention relates to a novel class of chromene-2-carboxamide compounds inhibitors of general formula I wherein R1, R2, R3, R4, R5, R6, R7, R8 and X are as defined herein, to their use in medicine, and their use as anti-infective agents in particular, to compositions containing them, to processes for their preparation and to intermediates used in such processes.
    Type: Grant
    Filed: October 13, 2020
    Date of Patent: November 1, 2022
    Assignee: UNIVERSITY OF DUNDEE
    Inventors: Barbara Forte, Neil Norcross, Chimed Jansen, Beatriz Baragana, Ian Gilbert, Laura Cleghorn, Susan Davis, Christopher Walpole
  • Publication number: 20210101877
    Abstract: The present invention relates to a novel class of chromene-2-carboxamide compounds inhibitors of general formula I wherein R1, R2, R3, R4, R5, R6, R7, R8 and X are as defined herein, to their use in medicine, and their use as anti-infective agents in particular, to compositions containing them, to processes for their preparation and to intermediates used in such processes.
    Type: Application
    Filed: October 13, 2020
    Publication date: April 8, 2021
    Inventors: Barbara FORTE, Neil NORCROSS, Chimed JANSEN, Beatriz BARAGANA, Ian GILBERT, Laura CLEGHORN, Susan DAVIS, Christopher WALPOLE
  • Publication number: 20190225592
    Abstract: The present invention relates to a novel class of chromene-2-carboxamide compounds inhibitors of general formula (I) wherein R1, R2, R3, R4, R5, R6, R7, R8 and X are as defined herein, to their use in medicine, and their use as anti-infective agents in particular, to compositions containing them, to processes for their preparation and to intermediates used in such processes.
    Type: Application
    Filed: June 20, 2017
    Publication date: July 25, 2019
    Inventors: Barbara FORTE, Neil NORCROSS, Chimed JANSEN, Beatriz BARAGANA, Ian GILBERT, Laura CLEGHORN, Susan DAVIS, Christopher WALPOLE
  • Patent number: 8633235
    Abstract: Compounds of Formula (I) or pharmaceutically acceptable salts thereof; wherein R1, R2, R3, and R4 are as defined in the specification as well as salts and pharmaceutical compositions including the compounds are prepared. They are useful in therapy, in particular in the management of pain.
    Type: Grant
    Filed: September 24, 2004
    Date of Patent: January 21, 2014
    Assignee: Neomed Institute
    Inventors: Ziping Liu, Daniel Pagé, Christopher Walpole, Hua Yang
  • Publication number: 20120149717
    Abstract: Compounds of general formula: as well as salts, enantiomers thereof and pharmaceutical compositions including the compounds are prepared. They are useful in therapy, in particular in the management of pain, depression and anxiety.
    Type: Application
    Filed: February 21, 2012
    Publication date: June 14, 2012
    Inventors: William Brown, Andrew Griffin, Thomas Hudzik, Carla Maciag, Gennady Smagin, Christopher Walpole
  • Patent number: 8129393
    Abstract: Compounds of general formula: as well as salts, enantiomers thereof and pharmaceutical compositions including the compounds are prepared. They are useful in therapy, in particular in the management of pain, depression and anxiety.
    Type: Grant
    Filed: December 22, 2009
    Date of Patent: March 6, 2012
    Assignee: AstraZeneca AB
    Inventors: William Brown, Andrew Griffin, Thomas Hudzik, Carla Maciag, Gennady Smagin, Christopher Walpole
  • Patent number: 8022074
    Abstract: The invention relates to at least one compound of general formula I wherein R1 is phenyl, pyridinyl, thienyl, furanyl, imidazolyl, pyrrolyl, triazolyl, thiazolyl, or pyridine N-oxide, where each R1 phenyl and R1 heteroaromatic ring may optionally and independently be substituted by 1, 2 or 3 substituents selected from CF3, methyl, iodo, bromo, fluoro, and chloro; R2 is independently selected from ethyl and isopropyl; R3 is hydrogen or fluoro; R4 is —NH2 or —NHSO2R5; and R5 is hydrogen, —CF3, or C1-C6 alkyl, or pharmaceutically acceptable salts thereof; at least one process for making at least one compound in accordance with Formula I; at least one method for treating at least one ? receptor associated condition with at least one compound in accordance with Formula I; and at least one pharmaceutical composition comprising at least one compound in accordance with Formula I.
    Type: Grant
    Filed: October 25, 2010
    Date of Patent: September 20, 2011
    Assignee: AstraZeneca AB
    Inventors: William Brown, Christopher Walpole, Niklas Plobeck
  • Patent number: 7960389
    Abstract: Compounds of general formula: wherein R1, R2 and R3 are as defined in the specification, as well as salts, enantiomers thereof and pharmaceutical compositions including the compounds are prepared. They are useful in therapy, in particular in the management of pain.
    Type: Grant
    Filed: July 9, 2007
    Date of Patent: June 14, 2011
    Assignee: AstraZeneca AB
    Inventors: William Brown, Andrew Griffin, Paul Jones, Daniel Page, Niklas Plobeck, Christopher Walpole
  • Publication number: 20110086853
    Abstract: Compounds of formula I or pharmaceutically acceptable salts thereof: wherein R1, R2, R3 and R4 are as defined in the specification as well as salts and pharmaceutical compositions including the compounds are prepared. They are useful in therapy, in particular in the management of pain.
    Type: Application
    Filed: October 8, 2009
    Publication date: April 14, 2011
    Inventors: William Brown, Ziping Liu, Daniel Page, Zena Qadoumi, Sanjay Srivastava, Maxime Tremblay, Christopher Walpole, Zhong-yong Wei, Hua Yang
  • Patent number: 7915413
    Abstract: The invention relates to at least one compound of general formula I wherein R1 is phenyl, pyridinyl, thienyl, furanyl, imidazolyl, pyrrolyl, triazolyl, thiazolyl, or pyridine N-oxide, where each R1 phenyl and R1 heteroaromatic ring may optionally and independently be substituted by 1, 2 or 3 substituents selected from CF3, methyl, iodo, bromo, fluoro, and chloro; R2 is independently selected from ethyl and isopropyl; R3 is hydrogen or fluoro; R4 is —NH2 or —NHSO2R5; and R5 is hydrogen, —CF3, or C1-C6 alkyl, or pharmaceutically acceptable salts thereof, at least one process for making at least one compound in accordance with Formula I; at least one method for treating at least one ? receptor associated condition with at least one compound in accordance with Formula I; and at least one pharmaceutical composition comprising at least one compound in accordance with Formula I.
    Type: Grant
    Filed: May 3, 2007
    Date of Patent: March 29, 2011
    Assignee: AstraZeneca AB
    Inventors: William Brown, Christopher Walpole, Niklas Plobeck
  • Publication number: 20110039858
    Abstract: The invention relates to at least one compound of general formula I wherein R1 is phenyl, pyridinyl, thienyl, furanyl, imidazolyl, pyrrolyl, triazolyl, thiazolyl, or pyridine N-oxide, where each R1 phenyl and R1 heteroaromatic ring may optionally and independently be substituted by 1, 2 or 3 substituents selected from CF3, methyl, iodo, bromo, fluoro, and chloro; R2 is independently selected from ethyl and isopropyl; R3 is hydrogen or fluoro; R4 is —NH2 or —NHSO2R5; and R5 is hydrogen, —CF3, or C1-C6 alkyl, or pharmaceutically acceptable salts thereof; at least one process for making at least one compound in accordance with Formula I; at least one method for treating at least one ? receptor associated condition with at least one compound in accordance with Formula I; and at least one pharmaceutical composition comprising at least one compound in accordance with Formula I.
    Type: Application
    Filed: October 25, 2010
    Publication date: February 17, 2011
    Applicant: ASTRAZENECA AB
    Inventors: William Brown, Christopher Walpole, Niklas Plobeck
  • Publication number: 20100305140
    Abstract: Compounds of formula I or pharmaceutically acceptable salts thereof: wherein X, A, R1, R2, R3 and R4 are as defined in the specification as well as salts and pharmaceutical compositions including the compounds are prepared. They are useful in therapy, in particular in the management of pain.
    Type: Application
    Filed: June 11, 2007
    Publication date: December 2, 2010
    Applicant: AstraZeneca AB
    Inventors: William Brown, Daniel Page, Sanjay Srivastava, Christopher Walpole, Zhong-Yong Wei, Hua Yang
  • Publication number: 20100168130
    Abstract: Compounds of general formula: as well as salts, enantiomers thereof and pharmaceutical compositions including the compounds are prepared. They are useful in therapy, in particular in the management of pain, depression and anxiety.
    Type: Application
    Filed: December 22, 2009
    Publication date: July 1, 2010
    Applicant: ASTRAZENECA AB
    Inventors: William Brown, Andrew Griffin, Thomas Hudzik, Carla Maciag, Gennady Smagin, Christopher Walpole
  • Patent number: 7615642
    Abstract: Compounds of formula I or pharmaceutically acceptable salts thereof: wherein R1, R2, R3 and R4 are as defined in the specification as well as salts and pharmaceutical compositions including the compounds are prepared. They are useful in therapy, in particular in the management of pain.
    Type: Grant
    Filed: April 16, 2007
    Date of Patent: November 10, 2009
    Assignee: AstraZeneca AB
    Inventors: William Brown, Ziping Liu, Daniel Page, Zena Qadoumi, Sanjay Srivastava, Maxime Tremblay, Christopher Walpole, Zhong-yong Wei, Hua Yang
  • Publication number: 20090221657
    Abstract: Compounds of Formula I, or pharmaceutically acceptable salts thereof: wherein R1, R2, R3, R4, R5, and G are as defined in the specification as well as salts and pharmaceutical compositions including the compounds are prepared. They are useful in therapy, in particular in the management of pain.
    Type: Application
    Filed: May 15, 2009
    Publication date: September 3, 2009
    Applicant: ASTRAZENECA AB
    Inventors: Daniel Page, Ziping Liu, Maxime Tremblay, Christopher Walpole, Hua Yang
  • Publication number: 20090181968
    Abstract: The present invention relates to compounds of formula (I) [Chemical formula should be inserted here. Please see paper copy] as well as pharmaceutically acceptable salts and pharmaceutical compositions including the compounds are prepared or thereof: wherein, A1, A2, R1, R2, R3, R4, and R5 and n are as defined in the specification. The compounds of formula (I) are useful in therapy.
    Type: Application
    Filed: November 22, 2006
    Publication date: July 16, 2009
    Applicant: ASTRAZENECA AB
    Inventors: Kosrat Amin, Johan Broddefalk, Yantao Chen, Karolina Nilsson, Claire Milburn, Helene Desfosses, Ziping Liu, Maxime Tremblay, Christopher Walpole, Zhong-yong Wei, Hua Yang
  • Publication number: 20090176851
    Abstract: The present invention relates to a new use of spiro-hydantoin derivatives of formula (I), or salts, solvates or solvated salts thereof, as well as to new compounds, a process for their preparation and new intermediates used in the preparation thereof, pharmaceutical compositions containing said therapeutically active compounds and to the use of said active compounds in therapy.
    Type: Application
    Filed: February 6, 2007
    Publication date: July 9, 2009
    Applicant: AstraZeneca AB
    Inventors: Lucy Horoszok, Carmen Leung, Miroslaw Tomaszewski, Christopher Walpole
  • Patent number: 7550495
    Abstract: Compounds of Formula I, or pharmaceutically acceptable salts thereof: wherein R1, R2, R3, R4, R5, and G are as defined in the specification as well as salts and pharmaceutical compositions including the compounds are prepared. They are useful in therapy, in particular in the management of pain.
    Type: Grant
    Filed: May 22, 2006
    Date of Patent: June 23, 2009
    Assignee: AstraZeneca AB
    Inventors: Daniel Pagé, Ziping Liu, Maxime Tremblay, Christopher Walpole, Hua Yang
  • Publication number: 20090111865
    Abstract: Compounds of formula I or pharmaceutically acceptable salts thereof: wherein R1, R2, R3, R4 and Z are as defined in the specification as well as salts and pharmaceutical compositions including the compounds are prepared. They are useful in therapy, in particular in the management of pain.
    Type: Application
    Filed: January 8, 2009
    Publication date: April 30, 2009
    Applicant: ASTRAZENECA AB
    Inventors: Ziping Liu, Daniel Page, Christopher Walpole, Hua Yang
  • Patent number: 7517898
    Abstract: Compounds of formula (I) or pharmaceutically acceptable salts thereof: wherein R1, R2, R3, R4 and Z are as defined in the specification as well as salts and pharmaceutical compositions including the compounds are prepared. They are useful in therapy, in particular in the management of pain.
    Type: Grant
    Filed: June 9, 2004
    Date of Patent: April 14, 2009
    Assignee: AstraZeneca AB
    Inventors: Ziping Liu, Daniel Pagé, Christopher Walpole, Hua Yang