Patents Assigned to Pfizer Limited
  • Patent number: 9163021
    Abstract: The present invention relates to compounds of Formula (I) and their pharmaceutically acceptable salts, wherein the substituents are as described herein, and their use in medicine, in particular as Trk antagonists.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: October 20, 2015
    Assignee: Pfizer Limited
    Inventors: Mark David Andrews, Sharanjeet Kaur Bagal, David Graham Brown, Karl Richard Gibson, Wolfgang Klute, Inaki Morao, Kiyoyuki Omoto, Thomas Ryckmans, Yogesh Sabnis, Sarah Elizabeth Skerratt, Paul Anthony Stupple
  • 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
  • Publication number: 20150259327
    Abstract: The present invention relates to new sulfonamide URAT-1 inhibitor compounds of formula (I) or a pharmaceutically acceptable salt thereof: to compositions containing them, to processes for their preparation and to intermediates used in such processes, and to methods of treatment, wherein R1, R2, R3, R4, R5 and R6 are as defined in the description.
    Type: Application
    Filed: May 27, 2015
    Publication date: September 17, 2015
    Applicant: PFIZER LIMITED
    Inventors: Robert Ian Storer, Nigel Alan Swain, Robert McKenzie Owen
  • Publication number: 20150250785
    Abstract: The present invention relates to compounds of Formula (IA) and (IB) and their pharmaceutically acceptable salts, wherein the substituents are as described herein, and their use in medicine, in particular as Trk antagonists.
    Type: Application
    Filed: September 26, 2013
    Publication date: September 10, 2015
    Applicant: Pfizer Limited
    Inventors: Mark David Andrews, Sharanjeet Kaur Bagal, Sarah Elizabeth Skerratt
  • Publication number: 20150246912
    Abstract: The present invention relates to compounds of Formula (I) and their pharmaceutically acceptable salts, wherein the substituents are as described herein, and their use in medicine, in particular as Trk antagonists.
    Type: Application
    Filed: September 26, 2013
    Publication date: September 3, 2015
    Applicant: Pfizer Limited
    Inventors: Mark David Andrews, Sharanjeet Kaur Bagal, David Graham Brown, Karl Richard Gibson, Wolfgang Klute, Inaki Morao, Kiyoyuki Omoto, Thomas Ryckmans, Yogesh Sabnis, Sarah Elizabeth Skerratt, Paul Anthony Stupple
  • 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
  • Publication number: 20150218172
    Abstract: The present invention relates to compounds of Formula (I) and their pharmaceutically acceptable salts, wherein the substituents are as described herein, and their use in medicine, in particular as Trk antagonists.
    Type: Application
    Filed: September 26, 2013
    Publication date: August 6, 2015
    Applicant: Pfizer Limited
    Inventors: Mark David Andrews, Sharanjeet Kaur Bagal, David Graham Brown, Karl Richard Gibson, Kiyoyuki Omoto, Thomas Ryckmans, Yogesh Sabnis, Sarah Elizabeth Skerratt, Paul Anthony Stupple
  • 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: 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: 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: 9079878
    Abstract: The present invention is directed to imidazole 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 imidazole NaV1.8 modulators of formula (I): or a pharmaceutically acceptable salt thereof, wherein R1, R2, R3, R4 and R5 are as defined in the description. NaV1.8 modulators are useful in the treatment of a wide range of disorders, particularly pain.
    Type: Grant
    Filed: October 15, 2012
    Date of Patent: July 14, 2015
    Assignee: Pfizer Limited
    Inventors: Sharanjeet Kaur Bagal, Mark Ian Kemp, Duncan Charles Miller, Yoshihisa Murata
  • Patent number: 9067922
    Abstract: The present invention relates to new sulfonamide URAT-1 inhibitor compounds of formula (I) or a pharmaceutically acceptable salt thereof: to compositions containing them, to processes for their preparation and to intermediates used in such processes, and to methods of treatment, wherein R1, R2, R3, R4, R5 and R6 are as defined in the description.
    Type: Grant
    Filed: April 17, 2014
    Date of Patent: June 30, 2015
    Assignee: Pfizer Limited
    Inventors: Robert Ian Storer, Nigel Alan Swain, Robert McKenzie Owen
  • Patent number: 9056175
    Abstract: Device for dispensing a plurality of unitary doses (2) of dry powder, includes at least one support comprising conduits each defining a flow path for an airstream carrying one of the unitary dose (2), the support having first (26) and second (27) members secured to one another so that a first conduit portion (29) of the first member faces a second conduit portions (43) of the second member to define one of the conduits, and a first separation portion (30) of the first member faces a second separation portions (45) of the second member, the support comprising a plurality of barrier-forming elements (31, 46) each arranged between corresponding first (30) and second (45) separation portions to prevent dry powder from passing from one of the conduits to one of the adjacent conduits.
    Type: Grant
    Filed: January 6, 2011
    Date of Patent: June 16, 2015
    Assignee: PFIZER LIMITED
    Inventors: Nicholas John Bowman, Declan Reilly
  • Publication number: 20150159134
    Abstract: The invention relates to a method for producing retinal pigment epithelial cells.
    Type: Application
    Filed: December 10, 2014
    Publication date: June 11, 2015
    Applicant: PFIZER LIMITED
    Inventors: PARUL CHOUDHARY, BEATA SURMACZ-CORDLE, HEATHER DAWN ELLEN FOX, PAUL JOHN WHITING
  • Patent number: 8952008
    Abstract: The present invention relates to imidazopyridazine derivatives. More particularly, it relates to 4-(biphenyl-3-yl)-7H-imidazo[4,5-c]pyridazine derivatives of formula (I): and pharmaceutically acceptable salts thereof, wherein R1, R2, R3, R4 and R5 are as defined in the description. The imidazopyridazine derivatives of the present invention modulate the activity of the GABAA receptor. They are useful in the treatment of a number of conditions, including pain.
    Type: Grant
    Filed: December 12, 2013
    Date of Patent: February 10, 2015
    Assignee: Pfizer Limited
    Inventors: Kiyoyuki Omoto, Robert McKenzie Owen, David Cameron Pryde, Christine Ann Louise Watson, Mifune Takeuchi
  • Patent number: 8927587
    Abstract: The invention relates to benzimidazole and imidazopyridine 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 Nav1.8 modulators of formula (I) or pharmaceutically acceptable salts thereof, wherein R1, R2, R3, R4, R5, R6, R7. X and Y are as defined in the description. Nav1.8 modulators are potentially useful in the treatment of a wide range of disorders, particularly pain.
    Type: Grant
    Filed: January 29, 2013
    Date of Patent: January 6, 2015
    Assignee: Pfizer LImited
    Inventors: Sharanjeet Kaur Bagal, Alan Daniel Brown, Mark Ian Kemp, Wolfgang Klute, Laia Malet Sanz, Brian Edward Marron, Duncan Charles Miller, Sarah Elizabeth Skerratt, Mark J. Suto, Christopher William West
  • Publication number: 20140364415
    Abstract: The present invention relates to compounds of Formula (I) and their pharmaceutically acceptable salts, wherein the substituents are as described herein, and their use in medicine, in particular as Trk antagonists.
    Type: Application
    Filed: August 26, 2014
    Publication date: December 11, 2014
    Applicant: PFIZER LIMITED
    Inventors: Mark David Andrews, Sharanjeet Kaur Bagal, Karl Richard Gibson, Kiyoyuki Omoto, Thomas Ryckmans, Sarah Elizabeth Skerratt, Paul Anthony Stupple
  • 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
  • Patent number: 8895544
    Abstract: A method of treating a disease or condition for which a JAK inhibitor is indicated in a subject in need of such treatment, comprising administering to the subject a therapeutically effective amount of a compound of formula (I) or a pharmaceutically acceptable salt thereof, or a pharmaceutically acceptable solvate of said compound or pharmaceutically acceptable salt, and particularly, a method for the treatment of various inflammatory diseases, particularly psoriasis, asthma and COPD.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: November 25, 2014
    Assignee: Pfizer Limited
    Inventors: Jotham Wadsworth Coe, Christoph Martin Dehnhardt, Peter Jones, Steven Wade Korturn, Yogesh Anil Sabnis, Florian Michel Wakenhut, Gavin Alistair Whitlock
  • 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