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).
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Publication number: 20170275275Abstract: 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: ApplicationFiled: May 29, 2015Publication date: September 28, 2017Inventors: ALAN DANIEL BROWN, LYN HOWARD JONES, BRIAN EDWARD MARRON, DAVID JAMES RAWSON, THOMAS RYCKMANS, ROBERT IAN STORER, NIGEL ALAN SWAIN, CHRISTOPHER WILLIAM WEST
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Publication number: 20150291514Abstract: 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: ApplicationFiled: December 21, 2012Publication date: October 15, 2015Applicant: PFIZER LIMTEDInventors: Alan Daniel Brown, Sebastien Rene Gabriel Galan, David Simon Millan, David James Rawson, Robert Ian Storer, Paul Anthony Stupple, NIgel Alan Swain
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Patent number: 9145407Abstract: 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: GrantFiled: June 28, 2011Date of Patent: September 29, 2015Assignees: 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
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Patent number: 9102621Abstract: 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: GrantFiled: July 4, 2011Date of Patent: August 11, 2015Assignee: Pfizer LimitedInventors: Alan Daniel Brown, David James Rawson, Robert Ian Storer, Nigel Alan Swain
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Patent number: 9096500Abstract: 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: GrantFiled: July 4, 2011Date of Patent: August 4, 2015Assignee: Pfizer LimitedInventors: Alan Daniel Brown, David James Rawson, Robert Ian Storer, Nigel Alan Swain
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Patent number: 9096558Abstract: 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: GrantFiled: July 1, 2011Date of Patent: August 4, 2015Assignees: Pfizer Limited, Icagen, Inc.Inventors: Benjamin Scott Greener, Brian Edward Marron, David Simon Millan, David James Rawson, Robert Ian Storer, Nigel Alan Swain
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Patent number: 9085517Abstract: 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: GrantFiled: December 6, 2012Date of Patent: July 21, 2015Assignee: Pfizer LimitedInventors: David James Rawson, Robert Ian Storer, Nigel Alan Swain
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Patent number: 8907101Abstract: 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: GrantFiled: August 16, 2013Date of Patent: December 9, 2014Assignees: 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
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Publication number: 20140315879Abstract: 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: ApplicationFiled: December 6, 2012Publication date: October 23, 2014Applicant: PFIZER LIMITEDInventors: David James Rawson, Robert Ian Storer, Nigel Alan Swain
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Patent number: 8772343Abstract: 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: GrantFiled: July 6, 2011Date of Patent: July 8, 2014Assignee: Pfizer LimitedInventors: Andrew Simon Bell, Alan Daniel Brown, Russell Andrew Lewthwaite, Manuel Perez-Pacheco, David James Rawson, Robert Ian Storer, Nigel Alan Swain
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Patent number: 8772293Abstract: 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: GrantFiled: July 8, 2011Date of Patent: July 8, 2014Assignees: 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
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Patent number: 8685977Abstract: 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: GrantFiled: July 11, 2011Date of Patent: April 1, 2014Assignee: Pfizer LimitedInventors: 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
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Publication number: 20130338111Abstract: 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: ApplicationFiled: August 16, 2013Publication date: December 19, 2013Applicants: Icagen, Inc., Pfizer LimitedInventors: 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
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Patent number: 8592629Abstract: 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: GrantFiled: July 11, 2011Date of Patent: November 26, 2013Assignee: Pfizer LimitedInventors: 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
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Patent number: 8541588Abstract: 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: GrantFiled: February 20, 2012Date of Patent: September 24, 2013Assignees: 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
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Publication number: 20130116285Abstract: 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: ApplicationFiled: July 6, 2011Publication date: May 9, 2013Applicant: Pfizer LimitedInventors: Andrew Simon Bell, Alan Daniel Brown, Russell Andrew Lewthwaite, Manuel Perez-Pacheco, David James Rawson, Robert Ian Storer, Nigel Alan Swain
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Publication number: 20130109708Abstract: 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: ApplicationFiled: July 4, 2011Publication date: May 2, 2013Applicant: Pfizer LimitedInventors: Alan Daniel Brown, David James Rawson, Robert Ian Storer, Nigel Alan Swain
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Publication number: 20130109667Abstract: 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: ApplicationFiled: June 28, 2011Publication date: May 2, 2013Applicants: 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
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Publication number: 20130109701Abstract: 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: ApplicationFiled: July 4, 2011Publication date: May 2, 2013Applicant: Pfizer LimitedInventors: Alan Daniel Brown, David James Rawson, Robert Ian Storer, Nigel Alan Swain
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Publication number: 20130109696Abstract: 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: ApplicationFiled: July 1, 2011Publication date: May 2, 2013Applicant: Pfizer LimitedInventors: Benjamin Scott Greener, Brian Edward Marron, David Simon Millan, David James Rawson, Robert Ian Storer, Nigel Alan Swain