Patents by Inventor David Walter Piotrowski
David Walter Piotrowski 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: 20230382892Abstract: The invention relates to pyrazole 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 HbS modulators of formula (I) or tautomers thereof, or pharmaceutically acceptable salts of said modulators or tautomers thereof, wherein X, Y, R2 and R3 are as defined in the description. HbS modulators are potentially useful in the treatment of a wide range of disorders, including sickle cell disease (SCD).Type: ApplicationFiled: May 24, 2023Publication date: November 30, 2023Applicant: Pfizer Inc.Inventors: Ariamala Gopalsamy, Shawn Cabral, Agustin Casimiro Garcia, Ming Zhu Chen, Chulho Choi, Robert Lee Dow, Olugbeminiyi Omezia Fadeyi, David Hepworth, Jayasankar Jasti, Lyn Howard Jones, Arjun Venkat Narayanan, Mihir Dineshkumar Parikh, David Walter Piotrowski, Lee Richard Roberts, Ralph Pelton Robinson, Jr., Hatice Gizem Yayla
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Patent number: 11702405Abstract: The invention relates to pyrazole 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 HbS modulators of formula (I) or tautomers thereof, or pharmaceutically acceptable salts of said modulators or tautomers thereof, wherein X, Y, R2 and R3 are as defined in the description. HbS modulators are potentially useful in the treatment of a wide range of disorders, including sickle cell disease (SCD).Type: GrantFiled: April 12, 2021Date of Patent: July 18, 2023Assignee: Pfizer Inc.Inventors: Ariamala Gopalsamy, Shawn Cabral, Agustin Casimiro-Garcia, Ming Zhu Chen, Chulho Choi, Robert Lee Dow, Olugbeminiyi Omezia Fadeyi, David Hepworth, Jayasankar Jasti, Lyn Howard Jones, Arjun Venkat Narayanan, Mihir Dineshkumar Parikh, David Walter Piotrowski, Lee Richard Roberts, Ralph Pelton Robinson, Jr., Hatice Gizem Yayla
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Publication number: 20230045419Abstract: The invention provides solid forms of 2-((4-((S)-2-(5-chloropyridin-2-yl)-2-methylbenzo[d][1,3]dioxol-4-yl)piperidin-1-yl)methyl)-1-(((S)-oxetan-2-yl)methyl)-1H-benzo[d]imidazole-6-carboxylic acid, 1,3-dihydroxy-2-(hydroxymethyl)propan-2-amine salt for example, a hydrate (e.g. a monohydrate) crystalline form (e.g. Form 2 or Form 3) or an amorphous form; as well as pharmaceutical compositions, and the uses thereof in treating diseases, conditions or disorders modulated by GLP-1R in a mammal, such as a human.Type: ApplicationFiled: December 7, 2020Publication date: February 9, 2023Applicant: Pfizer Inc.Inventors: Gary E. Aspnes, Scott W. Bagley, Wesley Dewitt Clark, John M. Curto, David James Edmonds, Mark E. Flanagan, Kentaro Futatsugi, David Andrew Griffith, Kim Huard, Yajing Lian, Chris Limberakis, Allyn T. Londregan, Alan M. Mathiowetz, David Walter Piotrowski, Roger B. Ruggeri
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Publication number: 20220387402Abstract: In part, the invention provides a new combination comprising (1) a GLP-1R agonist and (2) an ACC inhibitor or a DGAT2 inhibitor, or a KHK inhibitor or FXR agonist. The invention further provides new methods for treating diseases and disorders, for example, fatty liver, nonalcoholic fatty liver disease, nonalcoholic steatohepatitis, nonalcoholic steatohepatitis with liver fibrosis, nonalcoholic steatohepotitis with cirrhosis, and nonalcoholic steatohepatitis with cirrhosis and with hepatocellular carcinoma or with a metabolic-related disease, obesity, and type 2 diabetes, for example, using the new combination described herein.Type: ApplicationFiled: May 15, 2020Publication date: December 8, 2022Applicant: Pfizer Inc.Inventors: Gary E. Aspnes, Scott W. Bagley, John M. Curto, Matthew Dowling, David James Edmonds, Dilinie Fernando, Mark E. Flanagan, Kentaro Futatsugi, David Andrew Griffith, Kim Huard, Gajendra Ingle, Wenhua Jiao, Shawn M. LaCasse, Yajing Lian, Chris Limberakis, Allyn T. Londregan, Alan M. Mathiowetz, David Walter Piotrowski, Roger B. Ruggeri, Kristin Wiglesworth
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Publication number: 20220348555Abstract: The invention relates to pyrazole 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 HbS modulators of formula (I) or tautomers thereof, or pharmaceutically acceptable salts of said modulators or tautomers thereof, wherein X, Y, R2 and R3 are as defined in the description. HbS modulators are potentially useful in the treatment of a wide range of disorders, including sickle cell disease (SCD).Type: ApplicationFiled: April 12, 2021Publication date: November 3, 2022Applicant: Pfizer Inc.Inventors: Ariamala Gopalsamy, Shawn Cabral, Agustin Casimiro-Garcia, Ming Zhu Chen, Chulho Choi, Robert Lee Dow, Olugbeminiyi Omezia Fadeyi, David Hepworth, Jayasankar Jasti, Lyn Howard Jones, Arjun Venkat Narayanan, Mihir Dineshkumar Parikh, David Walter Piotrowski, Lee Richard Roberts, Ralph Pelton Robinson, Jr., Hatice Gizem Yayla
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Publication number: 20220184041Abstract: This application includes a compound of Formula I or a pharmaceutically acceptable salt thereof; wherein the variables R1a, R1b, R2, R3, X, Y and Z are as defined herein, pharmaceutical compositions comprising the compounds of Formula I and methods of treatment comprising administering to a patient in need thereof a compound of Formula I for the treatment of transthyretin amyloidosis and diseases related thereto.Type: ApplicationFiled: November 23, 2021Publication date: June 16, 2022Applicant: Pfizer Inc.Inventors: Shawn Cabral, Daniel Paul Canterbury, Robert Lee Dow, Andrew Fensome, Magdalena Korczynska, Sophie Yvette Lavergne, Allyn Timothy Londregan, Vincent Mascitti, David Walter Piotrowski, Andre Shavnya, Meihua Mike Tu, Tao Wang, Hanna Maria Wisniewska
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Patent number: 11014908Abstract: The invention relates to pyrazole 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 HbS modulators of formula (I) or tautomers thereof, or pharmaceutically acceptable salts of said modulators or tautomers thereof, wherein X, Y, R2 and R3 are as defined in the description. HbS modulators are potentially useful in the treatment of a wide range of disorders, including sickle cell disease (SCD).Type: GrantFiled: November 26, 2019Date of Patent: May 25, 2021Assignee: Pfizer Inc.Inventors: Ariamala Gopalsamy, Arjun Venkat Narayanan, Agustin Casimiro-Garcia, Chulho Choi, David Hepworth, David Walter Piotrowski, Hatice Gizem Yayla, Jayasankar Jasti, Lee Richard Roberts, Lyn Howard Jones, Mihir Dineshkumar Parikh, Ming Zhu Chen, Olugbeminiyi Omezia Fadeyi, Ralph Pelton Robinson, Jr., Robert Lee Dow, Shawn Cabral
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Publication number: 20200172512Abstract: The invention relates to pyrazole 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 HbS modulators of formula (I) or tautomers thereof, or pharmaceutically acceptable salts of said modulators or tautomers thereof, wherein X, Y, R2 and R3 are as defined in the description. HbS modulators are potentially useful in the treatment of a wide range of disorders, including sickle cell disease (SCD).Type: ApplicationFiled: November 26, 2019Publication date: June 4, 2020Applicant: Pfizer Inc.Inventors: Ariamala Gopalsamy, Arjun Venkat Narayanan, Agustin Casimiro-Garcia, Chulho Choi, David Hepworth, David Walter Piotrowski, Hatice Gizem Yayla, Jayasankar Jasti, Lee Richard Roberts, Lyn Howard Jones, Mihir Dineshkumar Parikh, Ming Zhu Chen, Olugbeminiyi Omezia Fadeyi, Ralph Pelton Robinson, JR., Robert Lee Dow, Shawn Cabral
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Publication number: 20120022058Abstract: Mineralocorticoid receptor antagonists (MRa), pharmaceutical compositions containing such inhibitors and the use of such inhibitors to treat, for example, diabetic nephropathy and hypertension in mammals, including humans.Type: ApplicationFiled: March 26, 2010Publication date: January 26, 2012Inventors: Graciela Barbieri Arhancet, Agustin Casimiro-Garcia, Xiangyang Chen, David Hepworth, Marvin Jay Meyers, David Walter Piotrowski, Raj Kumar Raheja
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Publication number: 20080132551Abstract: The invention provides compounds of Formula I: wherein A, B, and X are described herein. These compounds may be in the form of pharmaceutical salts or compositions, may be in pure enantiomeric form or racemic mixtures, and are useful in pharmaceuticals used to treat diseases or conditions in which ?7 nAChR is known to be involved.Type: ApplicationFiled: March 24, 2004Publication date: June 5, 2008Inventors: Bruce Nelsen Rogers, David Walter Piotrowski, Brandon J. Margolis, Jason K. Myers, Vincent Edward Groppi, Daniel G. Rudmann
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Patent number: 7074742Abstract: Compounds of Formula (I), their N-oxides and agriculturally suitable salts are disclosed which are useful as fungicides formula (I), (II) wherein A is a substituted pyridinyl ring; B is a substituted pyridinyl ring; W is C=L or SOn is O or S; R1 and R2 are each independently H; or C1-C6 alkyl, C2-C6 alkenyl, C2-C6 alkynyl or C3-C6 cycloalkyl, each optionally substituted; R3 is H; or C1-C6 alkyl, C2-C6 alkenyl, C2-C6 alkynyl or C3-C6 cycloalkyl, C2-C6 alkylcarbonyl, C2-C6 alkoxycarbonyl, C2-C6 alkylaminocarbonyl or C3-C8 dialkylaminocarbonyl; R4 is C1-C6 alkyl, C2-C6 alkenyl, C2-C6 alkynyl or C3-C6 cycloalkyl, each optionally substituted; X is O or S; and n is 1 or 2; provided that when W is C?O and R1, R2 and R3 are H; then B is other than 4-trifluoromethyl-3-pyridinyl, 2-chloro-4-pyridinyl and 2,6-dihalo-4-pyridinyl.Type: GrantFiled: September 17, 2001Date of Patent: July 11, 2006Assignee: E. I. du Pont de Nemours and CompanyInventors: Timothy Donald Neubert, David Walter Piotrowski, Michael Paul Walker
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Patent number: 6818641Abstract: Compounds of Formula (I), and their N-oxides and agriculturally suitable salts, are disclosed which are useful as arthropodicides wherein A is H; E is H or C1-C3 alkyl; or A and E can be taken together to form —CH2—, —CH2CH2—, —O—, —S—, —S(O)—, —S(O)2—, —NR8—, —OCH2—, —SCH2—, —N(R8)CH2—, substituted —CH2— and substituted —CH2CH2—, the substituents independently selected from 1-2 halogen and 1-2 methyl; W is N or CR4; X is CR5R6, O, S, NR7 or a direct bond, provided that when W is N, then X is other than a direct bond; Y is H, C1-C6 alkyl, C2-C6 alkenyl, C2-C6 alkynyl, C1-C3 alkylsulfonyl, C3-C6 cycloalkyl, C3-C6 cycloalkylalkyl, NR9R10, N═CR11R12, OR7, COR13, CO2R14 or C1-C6 alkyl substituted by at least one group selected from halogen, C1-C3 alkoxy, CN, NO2, S(O)rR15, COR13, CO2R14 and optionally substituted phenyl; Z is O or S; and R2, R3, R4, R5, R6, R7, R8, RType: GrantFiled: August 28, 2002Date of Patent: November 16, 2004Assignee: E. I. du Pont de Nemours and CompanyInventor: David Walter Piotrowski
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Publication number: 20040044040Abstract: Compounds of Formula (I), their N-oxides and agriculturally suitable salts are disclosed which are useful as fungicides formula (I), (II) wherein A is a substituted pyridinyl ring; B is a substituted pyridinyl ring; W is C═L or SOn is O or S; R1 and R2 are each independently H; or C1-C6 alkyl, C2-C6 alkenyl, C2-C6 alkynyl or C3-C6 cycloalkyl, each optionally substituted; R3 is H; or C1-C6 alkyl, C2-C6 alkenyl, C2-C6 alkynyl or C3-C6 cycloalkyl, C2-C6 alkylcarbonyl, C2-C6 alkoxycarbonyl, C2-C6 alkylaminocarbonyl or C3-C8 dialkylaminocarbonyl; R4 is C1-C6 alkyl, C2-C6 alkenyl, C2-C6 alkynyl or C3-C6 cycloalkyl, each optionally substituted; X is O or S; and n is 1 or 2; provided that when W is C═O and R1, R2 and R3 are H; then B is other than 4-trifluoromethyl-3-pyridinyl, 2-chloro-4-pyridinyl and 2,6-dihalo-4-pyridinyl.Type: ApplicationFiled: March 12, 2003Publication date: March 4, 2004Inventors: Timothy Donald Neubert, David Walter Piotrowski, Michael Paul Walker
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Publication number: 20030139397Abstract: Compounds of Formula (I), and their N-oxides and agriculturally suitable salts, are disclosed which are useful as arthropodicides wherein A is H; E is H or C1-C3 alkyl; or A and E can be taken together to form —CH2—, —CH2CH2—, —O—, —S—, —S(O)—, —S(O)2—, —NR8—, —OCH2—, —SCH2—, —N(R8)CH2—, substituted —CH2— and substituted —CH2CH2—, the substituents independently selected from 1-2 halogen and 1-2 methyl; W is N or CR4;X is CR5R6, O, S, NR7 or a direct bond, provided that when W is N, then X is other than a direct bond; Y is H, C1-C6 alkyl, C2-C6 alkenyl, C2-C6 alkynyl, C1-C3 alkylsulfonyl, C3-C6 cycloalkyl, C3-C6 cycloalkylalkyl, NR9R10, N═CR11R12, OR7, COR13, CO2R14 or C1-C6 alkyl substituted by at least one group selected from halogen, C1-C3 alkoxy, CN, NO2, S(O)1R15, COR13, CO2R14 and optionally substituted phenyl; Z is O or S; and R2, R3, R4, R5, R6, R7, R8, R9Type: ApplicationFiled: August 28, 2002Publication date: July 24, 2003Inventor: David Walter Piotrowski