Patents Assigned to Pfizer Limited
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Publication number: 20140315933Abstract: The present invention relates to new sulfonamide URAT-1 inhibitor compounds of formula (I) or pharmaceutically acceptable salts 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: ApplicationFiled: April 17, 2014Publication date: October 23, 2014Applicant: PFIZER LIMITEDInventors: Robert McKenzie Owen, Robert Ian Storer
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Publication number: 20140315878Abstract: 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: ApplicationFiled: April 17, 2014Publication date: October 23, 2014Applicant: PFIZER LIMITEDInventors: Robert Ian Storer, Nigel Alan Swain, Robert McKenzie Owen
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Patent number: 8851070Abstract: A device for dispensing individual doses of powder from respective pockets of a disc-shaped carrier by outwardly rupturing a lidding foil by means of pressure on an opposite side surface, the device providing individual respective deaggregation flow paths for each pocket, split airstreams allowing improved entrainment of powder, a cam mechanism for outwardly rupturing the pockets, an indexing mechanism linked to the cam mechanism and a dose counter.Type: GrantFiled: July 27, 2012Date of Patent: October 7, 2014Assignee: Pfizer LimitedInventors: Peter John Houzego, John Kelshaw Conway, Martin Douglas Pearl, Andrew Mark Bryant
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Publication number: 20140296313Abstract: 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 useful in the treatment of a wide range of disorders, particularly pain.Type: ApplicationFiled: October 15, 2012Publication date: October 2, 2014Applicant: Pfizer LimitedInventors: Sharanjeet Kaur Bagal, Mark Ian Kemp, Duncan Charles Miller, Yoshihisa Murata
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Patent number: 8846698Abstract: 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: GrantFiled: April 4, 2012Date of Patent: September 30, 2014Assignee: Pfizer LimitedInventors: Mark David Andrews, Sharanjeet Kaur Bagal, Karl Richard Gibson, Kiyoyuki Omoto, Thomas Ryckmans, Sarah Elizabeth Skerratt, Paul Anthony Stupple
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Publication number: 20140248252Abstract: The present invention is directed to 4-[2-(5-amino-1H-pyrazol-4-yl)-4-chlorophenoxy]-5-chloro-2-fluoro-N-(1,3-thiazol-4-yl)benzenesulfonamide or a pharmaceutically acceptable salt thereof for the treatment of a disease associated with elevated blood uric acid levels, such as hyperuricemia or gout. The invention is also directed to the tosylate salt of 4-[2-(5-amino-1H-pyrazol-4-yl)-4-chlorophenoxy]-5-chloro-2-fluoro-N-(1,3-thiazol-4-yl)benzenesulfonamide.Type: ApplicationFiled: October 19, 2012Publication date: September 4, 2014Applicant: PFIZER LIMITEDInventors: Zahid Ali, Kenneth John Butcher, Richard Philip Butt, Stephen John Felstead, Sophie Glatt, Ruth Mitchell McKernan, Maninder Panesar
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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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Publication number: 20140171435Abstract: 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: ApplicationFiled: December 12, 2013Publication date: June 19, 2014Applicant: Pfizer LimitedInventors: Kiyoyuki Omoto, Robert McKenzie Owen, David Cameron Pryde, Christine Ann Louise Watson, Mifune Takeuchi
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Patent number: 8741934Abstract: The invention is directed to compounds of Formula I in which: R5, R6, B and Z are defined supra.Type: GrantFiled: November 15, 2012Date of Patent: June 3, 2014Assignees: Pfizer Limited, Icagen, Inc.Inventors: Brian Edward Marron, Paul Christopher Fritch, Christopher John Markworth, Andrew Thomas Maynard, Nigel Alan Swain
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Publication number: 20140141247Abstract: The invention relates to a novel crystallisation process for preparing fluticasone propionate as crystalline form 1 polymorph with controlled particle size and suitable for micronisation.Type: ApplicationFiled: July 6, 2012Publication date: May 22, 2014Applicant: PFIZER LIMITEDInventors: Martyn David Ticehurst, Ivan Marziano, Eleftherios Kougoulos
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Publication number: 20140121279Abstract: The present invention relates to dipeptide enkephalin analogues of Formula (I) and their tautomers, ionic forms and pharmaceutically acceptable salts, and their use in medicine, in particular as opioid agonists.Type: ApplicationFiled: June 29, 2012Publication date: May 1, 2014Applicant: Pfizer LimitedInventor: Dafydd Rhys Owen
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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: 8591898Abstract: The present invention relates to the use of an anti-NGF antibody in the treatment or prevention of pain and/or a lower urinary tract symptom (LUTS) associated with interstitial cystitis and/or painful bladder syndrome and/or bladder pain syndrome.Type: GrantFiled: December 17, 2008Date of Patent: November 26, 2013Assignee: Pfizer LimitedInventors: Ian William Mills, Stephen Charles Phillips, Arnon Rosenthal, David Peter Scholfield, David Louis Shelton
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Patent number: 8592403Abstract: The present invention relates to compounds of formula (I) wherein R1, R2, R3, R4, L and n are as defined in the specification. These compounds are useful as MC4 agonists.Type: GrantFiled: July 30, 2009Date of Patent: November 26, 2013Assignee: Pfizer LimitedInventors: Mark David Andrews, Christopher Gordon Barber
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DEVICE FOR DISPENSING A PLURALITY OF UNITARY DOSES OF DRY POWDER, AND INHALER COMPRISING SUCH DEVICE
Publication number: 20130306071Abstract: Various embodiments relate to a device for dispensing a plurality of unitary doses of dry powder. The device includes: a casing; first and second supports respectively for two carriers each having a plurality of housings for respective unitary doses adapted to be connected to the mouthpiece for inhalation of the dose, the first and second supports being moveably mounted within the casing for sequentially connecting the housings to the mouthpiece; an indexing mechanism adapted to engage and move the first and second supports; and a changeover mechanism adapted to cause the device to pass from a first dispensing state to a second dispensing state and lock the second support in its stationary position while the device is in the first dispensing state, and to lock the first support in its stationary position while the device is in the second dispensing state.Type: ApplicationFiled: July 26, 2013Publication date: November 21, 2013Applicant: Pfizer LimitedInventors: Louise Annabel BUNCH, Paul George Harris -
Patent number: 8575336Abstract: The present invention relates to compounds of formula (I): to pharmaceutically acceptable salts therefore and to pharmaceutically acceptable solvates of said compounds and salts, wherein the substituents are defined herein; to compositions containing such compounds; and to the uses of such compounds in the treatment of various diseases, particularly asthma and COPD.Type: GrantFiled: July 5, 2012Date of Patent: November 5, 2013Assignee: Pfizer LimitedInventors: Jotham Wadsworth Coe, Christoph Martin Dehnhardt, Peter Jones, Steven Wade Kortum, Yogesh Anjil Sabnis, Florian Michel Wakenhut, Gavin Alistair Whitlock
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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