Patents by Inventor David James Rawson

David James Rawson 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: 20170275275
    Abstract: The invention relates to sulfonamide derivatives, to their use in medicine, to compositions containing them, to processes for their preparation and to intermediates used in such processes. More particularly the invention relates to a new sulfonamide Nav1.7 inhibitors of formula (I), or a pharmaceutically acceptable salt thereof, wherein X, R1, R2, R3a, R3b and R4 are as defined in the description. Nav1.7 inhibitors are potentially useful in the treatment of a wide range of disorders, particularly pain.
    Type: Application
    Filed: May 29, 2015
    Publication date: September 28, 2017
    Inventors: ALAN DANIEL BROWN, LYN HOWARD JONES, BRIAN EDWARD MARRON, DAVID JAMES RAWSON, THOMAS RYCKMANS, ROBERT IAN STORER, NIGEL ALAN SWAIN, CHRISTOPHER WILLIAM WEST
  • Publication number: 20150291514
    Abstract: The present invention relates to sulfonamide derivatives of formula (I): or a pharmaceutically acceptable salts thereof, wherein Z, R1a, R1b, R2, R3, R4 and R5 are as defined in the description, and to their use in medicine, to compositions containing them, to processes for their preparation and to intermediates used in such processes. The compounds of formula (I) are Nav1.7 inhibitors useful in the treatment of a wide range of disorders, particularly pain.
    Type: Application
    Filed: December 21, 2012
    Publication date: October 15, 2015
    Applicant: PFIZER LIMTED
    Inventors: Alan Daniel Brown, Sebastien Rene Gabriel Galan, David Simon Millan, David James Rawson, Robert Ian Storer, Paul Anthony Stupple, NIgel Alan Swain
  • Patent number: 9145407
    Abstract: The invention relates to new sulfonamide Nav1.7 inhibitors and pharmaceutically acceptable salts thereof, to their use in medicine, to compositions containing them, to processes for their preparation and to intermediates used in such processes. Nav 1.7 inhibitors are potentially useful in the treatment of a wide range of disorders, particularly pain.
    Type: Grant
    Filed: June 28, 2011
    Date of Patent: September 29, 2015
    Assignees: Pfizer Limited, Icagen, Inc.
    Inventors: Christopher John Markworth, Brian Edward Marron, David James Rawson, Robert Ian Storer, Nigel Alan Swain, Christopher William West, Shulan Zhou
  • Patent number: 9102621
    Abstract: The invention relates to sulfonamide derivatives, to their use in medicine, to 5 compositions containing them, to processes for their preparation and to intermediates used in such processes. More particularly the invention relates to a new sulfonamide Nav1.7 inhibitors of formula (I): 10 X NH O S O O R1 R2 R5 R4 R3 Het1 (I) or a pharmaceutically acceptable salt thereof, wherein X, Het1, R1, R2, R3, R4 and R5 are as defined in the description. 15 Nav 1.7 inhibitors are potentially useful in the treatment of a wide range of disorders, particularly pain.
    Type: Grant
    Filed: July 4, 2011
    Date of Patent: August 11, 2015
    Assignee: Pfizer Limited
    Inventors: Alan Daniel Brown, David James Rawson, Robert Ian Storer, Nigel Alan Swain
  • Patent number: 9096558
    Abstract: The invention relates to sulfonamide derivatives, to their use in medicine, to compositions containing them, to processes for their preparation and to intermediates used in such processes. More particularly the invention relates to new sulfonamide Nav1.7 inhibitors of formula (I) or pharmaceutically acceptable salts thereof, wherein X, Y1, Y2, Z, R1, R2 and R3 are as defined in the description. Nav 1.7 inhibitors are potentially useful in the treatment of a wide range of disorders, particularly pain.
    Type: Grant
    Filed: July 1, 2011
    Date of Patent: August 4, 2015
    Assignees: Pfizer Limited, Icagen, Inc.
    Inventors: Benjamin Scott Greener, Brian Edward Marron, David Simon Millan, David James Rawson, Robert Ian Storer, Nigel Alan Swain
  • Patent number: 9096500
    Abstract: The invention relates to sulfonamide derivatives, to their use in medicine, to compositions containing them, to processes for their preparation and to intermediates used in such processes. More particularly the invention relates to a new sulfonamide Nav1.7 inhibitors of formula (I): or a pharmaceutically acceptable salt thereof, wherein X, Ar1, R1, R2, R3, R4 and R5 are as defined in the description. Nav 1.7 inhibitors are potentially useful in the treatment of a wide range of disorders, particularly pain.
    Type: Grant
    Filed: July 4, 2011
    Date of Patent: August 4, 2015
    Assignee: Pfizer Limited
    Inventors: Alan Daniel Brown, David James Rawson, Robert Ian Storer, Nigel Alan Swain
  • Patent number: 9085517
    Abstract: The present invention relates to sulfonamide derivatives, of formula (I): or a pharmaceutically acceptable salts thereof, wherein X, Z, R1a, R1b, R2, R3, R4 and R5 are as defined in the description, and to their use in medicine, to compositions containing them, to processes for their preparation and to intermediates used in such processes. The compounds of formula (I) are Nav1.7 inhibitors useful in the treatment of a wide range of disorders, particularly pain.
    Type: Grant
    Filed: December 6, 2012
    Date of Patent: July 21, 2015
    Assignee: Pfizer Limited
    Inventors: David James Rawson, Robert Ian Storer, Nigel Alan Swain
  • Patent number: 8907101
    Abstract: The present invention relates to compounds of the formula and pharmaceutically acceptable salts, solvates or tautomers thereof, to processes for the preparation of, intermediates used in the preparation of, and compositions containing such compounds, and the uses of such compounds, in particular for the treatment of pain.
    Type: Grant
    Filed: August 16, 2013
    Date of Patent: December 9, 2014
    Assignees: Pfizer Limited, Icagen, Inc.
    Inventors: Serge Beaudoin, Michael Christopher Laufersweiler, Christopher John Markworth, Brian Edward Marron, David Simon Millan, David James Rawson, Steven Michael Reister, Kosuke Sasaki, Robert Ian Storer, Paul Anthony Stupple, Nigel Alan Swain, Christopher William West, Shulan Zhou
  • Publication number: 20140315879
    Abstract: The present invention relates to sulfonamide derivatives, of formula (I): or a pharmaceutically acceptable salts thereof, wherein X, Z, R1a, R1b, R2, R3, R4 and R5 are as defined in the description, and to their use in medicine, to compositions containing them, to processes for their preparation and to intermediates used in such processes. The compounds of formula (I) are Nav1.7 inhibitors useful in the treatment of a wide range of disorders, particularly pain.
    Type: Application
    Filed: December 6, 2012
    Publication date: October 23, 2014
    Applicant: PFIZER LIMITED
    Inventors: David James Rawson, Robert Ian Storer, Nigel Alan Swain
  • Patent number: 8772293
    Abstract: The invention relates to sulfonamide derivatives, to their use in medicine, to compositions containing them, to processes for their preparation and to intermediates used in such processes. More particularly the invention relates to new sulfonamide Nav1.7 inhibitors of formula (I): or pharmaceutically acceptable salts thereof, wherein Z1, Ra, Rb, R1, R2, R3, R4 and R5 are as defined in the description. Nav 1.7 inhibitors are potentially useful in the treatment of a wide range of disorders, particularly pain.
    Type: Grant
    Filed: July 8, 2011
    Date of Patent: July 8, 2014
    Assignees: Pfizer Limited, Icagen Inc.
    Inventors: Alan Daniel Brown, Marcel John De Groot, Brian Edward Marron, David James Rawson, Thomas Ryckmans, Robert Ian Storer, Paul Anthony Stupple, Nigel Alan Swain, Christopher William West
  • Patent number: 8772343
    Abstract: The invention relates to sulfonamide derivatives, to their use in medicine, to compositions containing them, to processes for their preparation and to intermediates used in such processes. More particularly the invention relates to a new sulfonamide Nav1.7 inhibitors of formula 10 (I):(I) or a pharmaceutically acceptable salt thereof, wherein Z, R1, R2, R3, R4 and R5 are as defined in the description. Nav1.7 inhibitors are potentially useful in the treatment of a wide range of disorders, particularly pain.
    Type: Grant
    Filed: July 6, 2011
    Date of Patent: July 8, 2014
    Assignee: Pfizer Limited
    Inventors: Andrew Simon Bell, Alan Daniel Brown, Russell Andrew Lewthwaite, Manuel Perez-Pacheco, David James Rawson, Robert Ian Storer, Nigel Alan Swain
  • Patent number: 8685977
    Abstract: The invention relates to sulfonamide derivatives, to their use in medicine, to compositions containing them, to processes for their preparation and to intermediates used in such processes. More particularly the invention relates to a new sulfonamide Nav1.7 inhibitors of formula (I): or a pharmaceutically acceptable salt thereof, wherein Ar1, X, R1, R2, R3, R4 and R5 are as defined in the description. Nav 1.7 inhibitors are potentially useful in the treatment of a wide range of disorders, particularly pain.
    Type: Grant
    Filed: July 11, 2011
    Date of Patent: April 1, 2014
    Assignee: Pfizer Limited
    Inventors: Andrew Simon Bell, Alan Daniel Brown, Russell Andrew Lewthwaite, Ian Roger Marsh, David Simon Millan, Manuel Perez Pacheco, David James Rawson, Nunzio Sciammetta, Robert Ian Storer, Paul Anthony Stupple, Nigel Alan Swain, Marcel John De Groot
  • Publication number: 20130338111
    Abstract: The present invention relates to compounds of the formula and pharmaceutically acceptable salts, solvates or tautomers thereof, to processes for the preparation of, intermediates used in the preparation of, and compositions containing such compounds, and the uses of such compounds, in particular for the treatment of pain.
    Type: Application
    Filed: August 16, 2013
    Publication date: December 19, 2013
    Applicants: Icagen, Inc., Pfizer Limited
    Inventors: Serge Beaudoin, Michael Christopher Laufersweiler, Christopher John Markworth, Brian Edward Marron, David Simon Millan, David James Rawson, Steven Michael Reister, Kosuke Sasaki, Robert Ian Storer, Paul Anthony Stupple, Nigel Alan Swain, Christopher William West, Shulan Zhou
  • Patent number: 8592629
    Abstract: This invention relates to sulfonamide derivative of formula (I), to their use in medicine, to compositions containing them, to processes for their preparation, and to intermediates used in such processes. These compounds are inhibitors of Nav1.7.
    Type: Grant
    Filed: July 11, 2011
    Date of Patent: November 26, 2013
    Assignee: Pfizer Limited
    Inventors: Andrew Simon Bell, Alan Daniel Brown, Marcel John De Groot, Russell Andrew Lewthwaite, Ian Roger Marsh, David Simon Millan, Manuel Perez Pacheco, David James Rawson, Nunzio Sciammetta, Robert Ian Storer, Nigel Alan Swain, Steven Matthieu Gaulier
  • Patent number: 8541588
    Abstract: The present invention relates to compounds of the formula and pharmaceutically acceptable salts, solvates or tautomers thereof, to processes for the preparation of, intermediates used in the preparation of, and compositions containing such compounds, and the uses of such compounds, in particular for the treatment of pain.
    Type: Grant
    Filed: February 20, 2012
    Date of Patent: September 24, 2013
    Assignees: Pfizer Limited, Icagen, Inc.
    Inventors: Serge Beaudoin, Michael Christopher Laufersweiler, Christopher John Markworth, Brian Edward Marron, David Simon Millan, David James Rawson, Steven Michael Reister, Kosuke Sasaki, Robert Ian Storer, Paul Anthony Stupple, Nigel Alan Swain, Christopher William West, Shulan Zhou
  • Publication number: 20130116285
    Abstract: The invention relates to sulfonamide derivatives, to their use in medicine, to compositions containing them, to processes for their preparation and to intermediates used in such processes. More particularly the invention relates to a new sulfonamide Nav1.7 inhibitors of formula 10 (I):(I) or a pharmaceutically acceptable salt thereof, wherein Z, R1, R2, R3, R4 and R5 are as defined in the description. Nav 1.7 inhibitors are potentially useful in the treatment of a wide range of disorders, particularly pain.
    Type: Application
    Filed: July 6, 2011
    Publication date: May 9, 2013
    Applicant: Pfizer Limited
    Inventors: Andrew Simon Bell, Alan Daniel Brown, Russell Andrew Lewthwaite, Manuel Perez-Pacheco, David James Rawson, Robert Ian Storer, Nigel Alan Swain
  • Publication number: 20130109667
    Abstract: The invention relates to new sulfonamide Nav1.7 inhibitors and pharmaceutically acceptable salts thereof, to their use in medicine, to compositions containing them, to processes for their preparation and to intermediates used in such processes. Nav 1.7 inhibitors are potentially useful in the treatment of a wide range of disorders, particularly pain.
    Type: Application
    Filed: June 28, 2011
    Publication date: May 2, 2013
    Applicants: Pfizer Limited, Icagen ,Inc.
    Inventors: Christopher John Markworth, Brian Edward Marron, David James Rawson, Robert Ian Storer, Nigel Alan Swain, Christopher William West, Shulan Zhou
  • Publication number: 20130109701
    Abstract: The invention relates to sulfonamide derivatives, to their use in medicine, to compositions containing them, to processes for their preparation and to intermediates used in such processes. More particularly the invention relates to a new sulfon-amide Nav1.7 inhibitors of formula (I): or a pharmaceutically acceptable salt thereof, wherein X, Ar1, R1, R2, R3, R4 and R5 are as defined in the description. Nav 1.7 inhibitors are potentially useful in the treatment of a wide range of disorders, particularly pain.
    Type: Application
    Filed: July 4, 2011
    Publication date: May 2, 2013
    Applicant: Pfizer Limited
    Inventors: Alan Daniel Brown, David James Rawson, Robert Ian Storer, Nigel Alan Swain
  • Publication number: 20130109708
    Abstract: The invention relates to sulfonamide derivatives, to their use in medicine, to 5 compositions containing them, to processes for their preparation and to intermediates used in such processes. More particularly the invention relates to a new sulfonamide Nav1.7 inhibitors of formula (I):10 X NH O S O O R1 R2 R5 R4 R3 Het1 (I) or a pharmaceutically acceptable salt thereof, wherein X, Het1, R1, R2, R3, R4 and R5 are as defined in the description. 15 Nav 1.7 inhibitors are potentially useful in the treatment of a wide range of disorders, particularly pain.
    Type: Application
    Filed: July 4, 2011
    Publication date: May 2, 2013
    Applicant: Pfizer Limited
    Inventors: Alan Daniel Brown, David James Rawson, Robert Ian Storer, Nigel Alan Swain
  • Publication number: 20130109696
    Abstract: The invention relates to sulfonamide derivatives, to their use in medicine, to compositions containing them, to processes for their preparation and to intermediates used in such processes. More particularly the invention relates to new sulfonamide Nav1.7 inhibitors of formula (I) or pharmaceutically acceptable salts thereof, wherein X, Y1, Y2, Z, R1, R2 and R3 are as defined in the description. Nav 1.7 inhibitors are potentially useful in the treatment of a wide range of disorders, particularly pain.
    Type: Application
    Filed: July 1, 2011
    Publication date: May 2, 2013
    Applicant: Pfizer Limited
    Inventors: Benjamin Scott Greener, Brian Edward Marron, David Simon Millan, David James Rawson, Robert Ian Storer, Nigel Alan Swain