Patents by Inventor David Hepworth
David Hepworth 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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Patent number: 12103921Abstract: 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: May 24, 2023Date of Patent: October 1, 2024Assignee: 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: 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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Publication number: 20230339960Abstract: Compounds, tautomers and pharmaceutically acceptable salts of the compounds are disclosed, wherein the compounds have the structure of Formula Ia, as defined in the specification. In an embodiment, a pharmaceutical composition can be in a liquid dosage form and can comprise a therapeutically effective amount of the compound or a pharmaceutically acceptable salt thereof as an adjuvant and a therapeutic agent. In another embodiment, a method of adjuvant treating a disorder or condition can comprising administering the pharmaceutical composition to a patient.Type: ApplicationFiled: June 28, 2023Publication date: October 26, 2023Inventors: JOHN DAVID TRZUPEK, KATHERINE LIN LEE, MARK EDWARD BUNNAGE, SEUNGIL HAN, DAVID HEPWORTH, FRANK ELDRIDGE LOVERING, JOHN PAUL MATHIAS, NIKOLAOS PAPAIOANNOU, BETSY SUSAN PIERCE, JOSEPH WALTER STROHBACH, STEPHEN WAYNE WRIGHT, CHRISTOPH WOLFGANG ZAPF, LORI KRIM GAVRIN, ARTHUR LEE, DAVID RANDOLPH ANDERSON, KEVIN JOSEPH CURRAN, CHRISTOPH MARTIN DEHNHARDT, EDDINE SAIAH, JOEL ADAM GOLDBERG, XIAOLUN WANG, HORNG-CHIH HUANG, RICHARD VARGAS, MICHAEL DENNIS LOWE, AKSHAY PATNY
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Patent number: 11713444Abstract: The present invention relates to nanoparticles and their use to form nanocomposite material, in particular bionanocomposite material, specifically wherein the nanoparticles are formed using plant virus attached to a scaffold of cellulosic material and/or cellulose derived materials, in particular wherein said cellulosic material further comprises plant cell components, for example hemicellulose, pectin, protein or combinations thereof.Type: GrantFiled: April 1, 2016Date of Patent: August 1, 2023Assignee: CelluComp LimitedInventors: Mikhail Talianski, Andrew Love, Eric Whale, David Hepworth, Natalia Petukhova, Jane Shaw
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Patent number: 11702424Abstract: Compounds, tautomers and pharmaceutically acceptable salts of the compounds are disclosed, wherein the compounds have the structure of Formula Ia, as defined in the specification. Corresponding pharmaceutical compositions, methods of treatment, methods of synthesis, and intermediates are also disclosed.Type: GrantFiled: August 18, 2020Date of Patent: July 18, 2023Assignee: Pfizer Inc.Inventors: John David Trzupek, Katherine Lin Lee, Mark Edward Bunnage, Seungil Han, David Hepworth, Frank Eldridge Lovering, John Paul Mathias, Nikolaos Papaioannou, Betsy Susan Pierce, Joseph Walter Strohbach, Stephen Wayne Wright, Christoph Wolfgang Zapf, Lori Krim Gavrin, Arthur Lee, David Randolph Anderson, Kevin Joseph Curran, Christoph Martin Dehnhardt, Eddine Saiah, Joel Adam Goldberg, Xiaolun Wang, Horng-Chih Huang, Richard Vargas, Michael Dennis Lowe, Akshay Patny
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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: 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: 20220022467Abstract: A method for replacing eggs and/or egg materials, particularly egg yolks, and/or for replacing a significant proportion of its fat and/or sugar content in a food composition, the method comprising the step of providing, in the food product, cellulose-containing particles that are derived from a herbaceous plant and that comprise: less than 30 wt % extractable glucose; and extractable xylose in an amount of at least 3% of the amount of extractable xylose in the plant. The replacement method involves providing, in the composition, cellulose-containing particles made from a herbaceous plant material by a process of: i) comminuting the plant material to form particles of the plant having a mean major dimension of less than 10 mm, preferably less than 100 ?m, ii) then treating the plant particles from i) with a peroxide and water, iii) then heating the peroxide-treated plant particles from ii), and iv) then isolating the cellulose-containing particles.Type: ApplicationFiled: December 6, 2019Publication date: January 27, 2022Inventors: David HEPWORTH, Eric WHALE, Phillip DUGGAN, Robyn PLAICE-INGLIS
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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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Patent number: 10906888Abstract: Compounds, pharmaceutically acceptable salts thereof, are disclosed wherein the compounds have the structure of (I) as defined in the specification. Corresponding pharmaceutical compositions, methods of treatment, methods of synthesis, and intermediates are also disclosed.Type: GrantFiled: July 7, 2017Date of Patent: February 2, 2021Assignee: Pfizer Inc.Inventors: Agustin Casimiro-Garcia, Joseph Walter Strohbach, David Hepworth, Frank Eldridge Lovering, Chulho Choi, Christophe Philippe Allais, Stephen Wayne Wright
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Patent number: 10894890Abstract: The invention relates to plant-derived cellulose-containing particles useful as strengthening agents in water based systems and to a process for preparing cellulose-containing particles from plant material, which process involves treating said plant material with a peroxide reagent. The process can be controlled to produce cellulose-containing particle having a viscosity up to about 2500 cps.Type: GrantFiled: April 1, 2019Date of Patent: January 19, 2021Assignee: CELLUCOMP LIMITEDInventors: David Hepworth, Eric Whale
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Publication number: 20200377511Abstract: Compounds, tautomers and pharmaceutically acceptable salts of the compounds are disclosed, wherein the compounds have the structure of Formula Ia, as defined in the specification. Corresponding pharmaceutical compositions, methods of treatment, methods of synthesis, and intermediates are also disclosed.Type: ApplicationFiled: August 18, 2020Publication date: December 3, 2020Applicant: Pfizer Inc.Inventors: John David Trzupek, Katherine Lin Lee, Mark Edward Bunnage, Seungil Han, David Hepworth, Frank Eldridge Lovering, John Paul Mathias, Nikolaos Papaioannou, Betsy Susan Pierce, Joseph Walter Strohbach, Stephen Wayne Wright, Christoph Wolfgang Zapf, Lori Krim Gavrin, Arthur Lee, David Randolph Anderson, Kevin Joseph Curran, Christoph Martin Dehnhardt, Eddine Saiah, Joel Adam Goldberg, Xiaolun Wang, Horng-Chih Huang, Richard Vargas, Michael Dennis Lowe, Akshay Patny
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Patent number: 10808044Abstract: The invention relates to plant-derived cellulose-containing particles useful as rheology modifiers and to a process for preparing cellulose-containing particles from plant material, which process involves treating said plant material with a peroxide reagent. The process can be controlled to produce cellulose-containing particle having a viscosity up to about 7500 or 8000 cps.Type: GrantFiled: November 19, 2018Date of Patent: October 20, 2020Assignee: CELLUCOMP LIMITEDInventors: David Hepworth, Eric Whale
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Patent number: 10793579Abstract: Compounds, tautomers and pharmaceutically acceptable salts of the compounds are disclosed, wherein the compounds have the structure of Formula Ia, as defined in the specification. Corresponding pharmaceutical compositions, methods of treatment, methods of synthesis, and intermediates are also disclosed.Type: GrantFiled: May 14, 2019Date of Patent: October 6, 2020Assignee: Pfizer Inc.Inventors: John David Trzupek, Katherine Lin Lee, Mark Edward Bunnage, Seungil Han, David Hepworth, Frank Eldridge Lovering, John Paul Mathias, Nikolaos Papaioannou, Betsy Susan Pierce, Joseph Walter Strohbach, Stephen Wayne Wright, Christoph Wolfgang Zapf, Lori Krim Gavrin, Arthur Lee, David Randolph Anderson, Kevin Joseph Curran, Christoph Martin Dehnhardt, Eddine Saiah, Joel Adam Goldberg, Xiaolun Wang, Horng-Chih Huang, Richard Vargas, Michael Dennis Lowe, Akshay Patny
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Patent number: 10753041Abstract: Processes for producing cellulose microfibrils from herbaceous plant material using enzyme compositions, the cellulose microfibrils obtained from the processes and their uses, and compositions comprising the cellulose microfibrils are described.Type: GrantFiled: May 21, 2015Date of Patent: August 25, 2020Assignees: CELLUCOMP LTD., NOVOZYMES A/S, UNIVERSITY OF COPENHAGENInventors: David Hepworth, Eric Whale, Bjoern Lennart Pierre Alexander Cassland, Henrik Lund, Lisbeth Kalum, Peter Ulvskov, Bodil Jørgensen
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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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Patent number: 10563048Abstract: The invention relates to a composition comprising a plant-derived cellulose particulate material comprising less than 30 wt % extractable glucose; and extractable xylose in an amount of at least 3% of the amount of extractable xylose in the starting plant material, and an agent selected from the group comprising natural ionic polymers or natural non-ionic polymers; synthetic water dispersible polymers, and/or associative thickeners, and its various uses, including as a drilling fluid.Type: GrantFiled: June 26, 2015Date of Patent: February 18, 2020Assignee: CELLUCOMP LIMITEDInventors: Eric Whale, David Hepworth
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Publication number: 20190330381Abstract: The invention relates to plant-derived cellulose-containing particles useful as strengthening agents in water based systems and to a process for preparing cellulose-containing particles from plant material, which process involves treating said plant material with a peroxide reagent. The process can be controlled to produce cellulose-containing particle having a viscosity up to about 2500 cps.Type: ApplicationFiled: April 1, 2019Publication date: October 31, 2019Inventors: David HEPWORTH, Eric WHALE
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Publication number: 20190322768Abstract: The invention relates to plant-derived cellulose-containing particles useful as rheology modifiers and to a process for preparing cellulose-containing particles from plant material, which process involves treating said plant material with a peroxide reagent. The process can be controlled to produce cellulose-containing particle having a viscosity up to about 7500 or 8000 cps.Type: ApplicationFiled: November 19, 2018Publication date: October 24, 2019Inventors: David HEPWORTH, Eric WHALE
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Publication number: 20190315715Abstract: Compounds, pharmaceutically acceptable salts thereof, are disclosed wherein the compounds have the structure of (I) as defined in the specification. Corresponding pharmaceutical compositions, methods of treatment, methods of synthesis, and intermediates are also disclosed.Type: ApplicationFiled: July 7, 2017Publication date: October 17, 2019Applicant: Pfizer Inc.Inventors: Agustin Casimiro-Garcia, Joseph Walter Strohbach, David Hepworth, Frank Eldridge Lovering, Chulho Choi, Christophe Philippe Allais, Stephen Wayne Wright