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: 20120149679
    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: February 20, 2012
    Publication date: June 14, 2012
    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: 8153814
    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: January 12, 2010
    Date of Patent: April 10, 2012
    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: 20120010207
    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: Application
    Filed: July 11, 2011
    Publication date: January 12, 2012
    Applicant: 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: 20120010182
    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: Application
    Filed: July 8, 2011
    Publication date: January 12, 2012
    Applicants: ICAGEN INC., PFIZER LIMITED
    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
  • Publication number: 20120010183
    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 Het1, 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: Application
    Filed: July 11, 2011
    Publication date: January 12, 2012
    Applicant: 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
  • Publication number: 20100216823
    Abstract: The invention provides compounds of formula (I): wherein m, n, X, R1, A, B, R2 and R3 have the meanings given in the specification, and pharmaceutically acceptable salts, solvates, polymorphs and prodrugs thereof. The compounds are PDE7 inhibitors and have a number of therapeutic applications, particularly in the treatment of pain, especially neuropathic pain.
    Type: Application
    Filed: May 16, 2008
    Publication date: August 26, 2010
    Inventors: David James Rawson, Nigel Alan Swain, Lesa Watson
  • Publication number: 20100197655
    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: January 12, 2010
    Publication date: August 5, 2010
    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: 7659305
    Abstract: The compounds of formula (I) or a pharmaceutically acceptable salt, solvate or pro-drug thereof, are proline derivatives useful in the treatment of epilepsy, faintness attacks, hypokinesia, cranial disorders, neurodegenerative disorders, depression, anxiety, panic, pain, fibromyalgia, arthritis, neuropathalogical disorders, sleep disorders, visceral pain disorders and gastrointestinal disorders. Processes for the preparation of the final products and intermediates useful in the process are included. Pharmaceutical compositions containing one or more of the compounds are also included.
    Type: Grant
    Filed: October 30, 2003
    Date of Patent: February 9, 2010
    Assignee: Pfizer Inc.
    Inventor: David James Rawson
  • Patent number: 7649004
    Abstract: The present invention relates to compounds of the formula (I) and pharmaceutically acceptable salts and solvates thereof, to processes for the preparation of, intermediates used in the preparation of, and compositions containing such compounds and the uses of such compounds for the treatment of pain.
    Type: Grant
    Filed: July 12, 2005
    Date of Patent: January 19, 2010
    Assignee: Pfizer, Inc.
    Inventors: Charlotte Alice Louise Lane, Graham Nigel Maw, David James Rawson, Lisa Rosemary Thompson
  • Patent number: 7612226
    Abstract: The present invention relates to a method of treating pain using a compound of formula wherein R1, R2, R3 and R4 are as defined herein. The invention also relates to certain novel derivatives of formula (I).
    Type: Grant
    Filed: April 28, 2006
    Date of Patent: November 3, 2009
    Assignee: Pfizer Inc.
    Inventors: Shelley Rene Graham, Simon John Mantell, David James Rawson, Jacob Bradely Schwarz
  • Publication number: 20080312235
    Abstract: The present invention relates to compounds of the formula (I) and pharmaceutically acceptable salts and solvates thereof, to processes for the preparation of, intermediates used in the preparation of, and compositions containing such compounds and the uses of such compounds for the treatment of pain.
    Type: Application
    Filed: July 12, 2005
    Publication date: December 18, 2008
    Inventors: Charlotte Alice Louise Lane, Graham Nigel Maw, David James Rawson, Lisa Rosemary Thompson
  • Patent number: 7084145
    Abstract: The invention provides compounds of formula (I), the pharmaceutically acceptable salts and solvates thereof, wherein A, B, R1, R2, and R7 are as defined herein; pharmaceutical compositions thereof; combinations thereof; and uses thereof as vasopressin V1A antagonists.
    Type: Grant
    Filed: October 24, 2003
    Date of Patent: August 1, 2006
    Assignee: Pfizer Inc.
    Inventors: Robert Duncan Armour, Andrew Douglas Baxter, Justin Stephen Bryans, Kevin Neil Dack, Patrick Stephen Johnson, Russell Andrew Lewthwaite, Julie Newman, David James Rawson, Thomas Ryckmans
  • Patent number: 7053122
    Abstract: The compounds of formula (I) are useful in the treatment of faintness attacks, hypokinesia, cranial disorders, neurodegenerative disorders, depression, anxiety, panic, neuropathic pain, neuropathological disorders and sleep disorders. Processes for the preparation of the final products and intermediates useful in the process are included. Pharmaceutical compositions containing one or more of the compounds are also included.
    Type: Grant
    Filed: August 7, 2003
    Date of Patent: May 30, 2006
    Assignee: Pfizer Inc
    Inventors: Graham Nigel Maw, David James Rawson, Lisa Rosemary Thompson
  • Patent number: 6809200
    Abstract: A process is provide for the preparation of compounds of formula (I) herein comprising reacting a compound of formula (III), (IV) or (V) wherein the variables are as defined in the specification. The reaction is conducted in the presence of −OR3 and a hydroxide trapping agent or in the case of compounds of formula (IV) reacting in the presence of an auxiliary base and a hydroxide trapping agent.
    Type: Grant
    Filed: July 26, 2001
    Date of Patent: October 26, 2004
    Assignee: Pfizer Inc.
    Inventors: Charlotte Moira Norfor Allerton, Christopher Gordon Barber, Keith Michael DeVries, Laurence James Harris, Philip Charles Levett, Joanna Teresa Negri, David James Rawson, Albert Shaw Wood
  • Publication number: 20040162278
    Abstract: The invention provides compounds of formula (I), 1
    Type: Application
    Filed: October 24, 2003
    Publication date: August 19, 2004
    Applicant: Pfizer Inc
    Inventors: Robert Duncan Armour, Andrew Douglas Baxter, Justin Stephen Bryans, Kevin Neil Dack, Patrick Stephen Johnson, Russell Andrew Lewthwaite, Julie Newman, David James Rawson, Thomas Ryckmans
  • Patent number: 6770645
    Abstract: Compound of general formula I: wherein R1, R2, R3, R4, X, Y and R5 have the meanings given herein which are useful in the curative and prophylactic treatment of a medical condition for which inhibition of a cyclic guanosine 3′,5′-monophosphate phosphodiesterase (e.g. cGMP PDE5) is desired.
    Type: Grant
    Filed: March 12, 2002
    Date of Patent: August 3, 2004
    Assignee: Pfizer Inc.
    Inventors: Stephen Martin Denton, Mark Ian Kemp, Sandra Dora Newman, David James Rawson
  • Publication number: 20040138197
    Abstract: The compounds of formula (I) are useful in the treatment of faintness attacks, hypokinesia, cranial disorders, neurodegenerative disorders, depression, anxiety, panic, neuropathic pain, neuropathological disorders and sleep disorders. Processes for the preparation of the final products and intermediates useful in the process are included. Pharmaceutical compositions containing one or more of the compounds are also included.
    Type: Application
    Filed: August 7, 2003
    Publication date: July 15, 2004
    Inventors: Graham Nigel Maw, David James Rawson, Lisa Rosemary Thompson
  • Publication number: 20040132801
    Abstract: The compounds of formula (I) or a pharmaceutically acceptable salt, solvate or pro-drug thereof, are proline derivatives useful in the treatment of epilepsy, faintness attacks, hypokinesia, cranial disorders, neurodegenerative disorders, depression, anxiety, panic, pain, fibromyalgia, arthritis, neuropathalogical disorders, sleep disorders, visceral pain disorders and gastrointestinal disorders. Processes for the preparation of the final products and intermediates useful in the process are included. Pharmaceutical compositions containing one or more of the compounds are also included.
    Type: Application
    Filed: October 30, 2003
    Publication date: July 8, 2004
    Inventor: David James Rawson
  • Patent number: 6756373
    Abstract: There is provided a compound of formula I: wherein X represents O or NR5 R4 represents H, halo, cyano, nitro, halo(loweralkyl), OR6, OC(O)R7, C(O)R8, C(O)OR9, C(O)NR10R11, NR12R13, NR16Y(O)R17, N[Y(O)R17]2, SOR18, SO2R19, C(O)AZ, lower alkyl, lower alkenyl, lower alkynyl, Het, alkylHet, aryl, alkylaryl (which latter seven groups are all optionally substituted with one or more substituents selected from halo, cyano, nitro, lower alkyl, halo(loweralkyl), OR6, OC(O)R7, C(O)R8, C(O)OR9, C(O)NR10R11, NR12R13 and SO2NR14R15) which are useful in the curative and prophylactic treatment of a medical condition for which inhibition of a cyclic guanosine 3′,5′-monophosphate phosphodiesterase (e.g., cGMP PDE5) is desired.
    Type: Grant
    Filed: October 6, 2000
    Date of Patent: June 29, 2004
    Assignee: Pfizer Inc.
    Inventors: Charlotte Moira Norfor Allerton, Christopher Gordon Barber, Graham Nigel Maw, David James Rawson
  • Publication number: 20040063643
    Abstract: Compounds of formula (I): 1
    Type: Application
    Filed: April 28, 2003
    Publication date: April 1, 2004
    Applicant: Pfizer Inc.
    Inventors: Michael Higginbottom, Suzanne Ross Kesten, Russell Andrew Lewthwaite, Martyn Clive Pritchard, David James Rawson, Robert Michael Schelkun, Po-Wai Yuen