Patents by Inventor Sameer KAWATKAR

Sameer KAWATKAR 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).

  • Patent number: 11912727
    Abstract: Disclosed are compounds of formula (Ia) or a pharmaceutically acceptable salt thereof, pharmaceutical compositions comprising compounds of formula (Ia) and methods of using the same for treating cancer or a respiratory inflammatory disease and inhibiting arginase: wherein R1 is —NHR1a; R1a is —H or —C(O)CH(R1b)NHR1c; and R1b is selected from —H, —(C1-C4) alkyl and CH2OR1d and R1c is —H; or R1b and R1c, together with the atom to which they are attached, form a 5-membered heterocyclic ring; and R1d is H or —CH3.
    Type: Grant
    Filed: July 10, 2023
    Date of Patent: February 27, 2024
    Assignee: AstraZeneca AB
    Inventors: Scott Nathan Mlynarski, Tyler Grebe, Sameer Kawatkar, Maurice Raymond Verschoyle Finlay, Iain Simpson, Jianyan Wang, Steve Cook, Dedong Wu
  • Publication number: 20230365599
    Abstract: Disclosed are compounds of formula (Ia) or a pharmaceutically acceptable salt thereof, pharmaceutical compositions comprising compounds of formula (Ia) and methods of using the same for treating cancer or a respiratory inflammatory disease and inhibiting arginase: wherein R1 is —NHR1a; R1a is —H or —C(O)CH(R1b)NHR1c; and R1b is selected from —H, —(C1-C4) alkyl and CH2OR1d and R1c is —H; or R1b and R1c, together with the atom to which they are attached, form a 5-membered heterocyclic ring; and R1d is H or —CH3.
    Type: Application
    Filed: July 10, 2023
    Publication date: November 16, 2023
    Inventors: Scott Nathan MLYNARSKI, Tyler GREBE, Sameer KAWATKAR, Maurice Raymond Verschoyle FINLAY, Iain SIMPSON, Jianyan WANG, Steve COOK, Dedong WU
  • Publication number: 20230122859
    Abstract: Disclosed are compounds of formula (Ia) or a pharmaceutically acceptable salt thereof pharmaceutical compositions comprising compounds of formula (Ia) and methods of using the same for treating cancer or a respiratory inflammatory disease and inhibiting arginase: wherein R1 is —NHR1a; R1a is —H or —C(O)CH(R1b)NHR1c; and R1b is selected from —H, —(C1-C4) alkyl and CH2OR1d and R1c is —H; or R1b and R1c, together with the atom to which they are attached, form a 5-membered heterocyclic ring; and R1d is H or —CH3.
    Type: Application
    Filed: July 15, 2022
    Publication date: April 20, 2023
    Inventors: Scott Nathan MLYNARSKI, Tyler GREBE, Sameer KAWATKAR, Maurice Raymond Verschoyle FINLAY, Iain SIMPSON, Jianyan WANG, Steve COOK, Dedong WU
  • Publication number: 20220267356
    Abstract: Disclosed are compounds of formula (I), or pharmaceutically acceptable salts thereof, pharmaceutical compositions comprising the same, and methods of treating cancer or a respiratory inflammatory disease using the same: wherein R1 is selected from hydrogen, —CH3 and —(C?O)CH(R1a)NH2; R1a is C1-C4 alkyl; Y is —(CH2)n— or —(C?O)—; n is an integer selected from 1 and 2; R2 is selected from hydrogen, —CH3 and —(C?X)R4 and R3 is hydrogen or —CH3; or R2 and R3, together with the nitrogen to which they are attached, are linked to form a 6-membered heterocyclic ring; X is NH or O; R4 is —CH3 or —[CH(R4a)]mNH2; m is an integer selected from 0 or 1; and R4a is hydrogen or C1-C6 alkyl.
    Type: Application
    Filed: July 22, 2020
    Publication date: August 25, 2022
    Inventors: Scott Nathan MLYNARSKI, Jason SHIELDS, Sameer KAWATKAR, Qing YE, Haixia WANG, Xiaolan ZHENG, Ray FINLAY, Iain SIMPSON
  • Patent number: 11420984
    Abstract: Disclosed are compounds of formula (Ia) or a pharmaceutically acceptable salt thereof, pharmaceutical compositions comprising compounds of formula (Ia) and methods of using the same for treating cancer or a respiratory inflammatory disease and inhibiting arginase: wherein R1 is —NHR1a; R1a is —H or —C(O)CH(R1b)NHR1c; R1b is selected from —H, —(C1-C4) alkyl and CH2OR1d; R1c is —H; or R1b and R1c, together with the atom to which they are attached, form a 5-membered heterocyclic ring; and R1d is H or —CH3.
    Type: Grant
    Filed: February 15, 2019
    Date of Patent: August 23, 2022
    Assignee: AstraZeneca AB
    Inventors: Scott Nathan Mlynarski, Tyler Grebe, Sameer Kawatkar, Maurice Raymond Verschoyle Finlay, Iain Simpson, Jianyan Wang, Steve Cook, Dedong Wu
  • Publication number: 20220119372
    Abstract: Disclosed are compounds of formula (I), pharmaceutical compositions comprising such compounds and methods/uses of using the same, for example, for treating a JAK-related disorder, such as cancer, cancer cachexia or an immune disorder: wherein R1 is methyl or ethyl; R2 is selected from methyl, ethyl, methoxy and ethoxy; R3 is selected from hydrogen, chlorine, fluorine, bromine and methyl; R4 is selected from methyl, ethyl and —CH2OCH3; R5 and R6 are each individually methyl or hydrogen; and R7 is selected from methyl, ethyl, —(CH2)2OH and —(CH2)2OCH3, or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: December 28, 2021
    Publication date: April 21, 2022
    Inventors: Annika Birgitta Margareta ASTRAND, Neil Patrick GRIMSTER, Sameer KAWATKAR, Jason Grant KETTLE, Magnus K. NILSSON, Linette RUSTON, Qibin SU, Melissa VASBINDER, Jon James WINTER-HOLT, Richard Donald WOESSNER, Claudio Edmundo CHUAQUI, James MCCABE
  • Publication number: 20220106335
    Abstract: Disclosed are compounds of formula (Ib) or (Vc), or a pharmaceutically acceptable salt thereof, pharmaceutical compositions comprising compounds of formula (Ib) or (Vc) and methods of using the same for treating cancer, respiratory inflammatory disease, and inhibiting arginase; wherein R is —H or —C(O)CH(R1a)NHR1b; and R1a is selected from —H, —(C1-C4) alkyl and CH2OR1c; R1b is —H; or alternatively, R1a and R1b, together with the atom to which they are attached, form a 5-membered heterocyclic ring; and R1c is H or —CH3.
    Type: Application
    Filed: February 7, 2020
    Publication date: April 7, 2022
    Inventors: Scott Nathan MLYNARSKI, Tyler GREBE, Sameer KAWATKAR, Maurice Raymond Verschoyle FINLAY, Iain SIMPSON
  • Patent number: 11247983
    Abstract: Disclosed are compounds of formula (I), pharmaceutical compositions comprising such compounds and methods/uses of using the same, for example, for treating a JAK-related disorder, such as cancer, cancer cachexia or an immune disorder: wherein R1 is methyl or ethyl; R2 is selected from methyl, ethyl, methoxy and ethoxy; R3 is selected from hydrogen, chlorine, fluorine, bromine and methyl; R4 is selected from methyl, ethyl and —CH2OCH3; R5 and R6 are each individually methyl or hydrogen; and R7 is selected from methyl, ethyl, —(CH2)2OH and —(CH2)2OCH3, or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: February 15, 2022
    Assignee: Dizal (Jiangsu) Pharmaceutical Co., Ltd.
    Inventors: Annika Birgitta Margareta Astrand, Neil Patrick Grimster, Sameer Kawatkar, Jason Grant Kettle, Magnus K. Nilsson, Linette Ruston, Qibin Su, Melissa Vasbinder, Jon James Winter-Holt, Richard Donald Woessner, Claudio Edmundo Chuaqui, James McCabe
  • Publication number: 20210078981
    Abstract: Disclosed are compounds of formula (I), pharmaceutical compositions comprising such compounds and methods/uses of using the same, for example, for treating a JAK-related disorder, such as cancer, cancer cachexia or an immune disorder: wherein R1 is methyl or ethyl; R2 is selected from methyl, ethyl, methoxy and ethoxy; R3 is selected from hydrogen, chlorine, fluorine, bromine and methyl; R4 is selected from methyl, ethyl and —CH2OCH3; R5 and R6 are each individually methyl or hydrogen; and R7 is selected from methyl, ethyl, —(CH2)2OH and —(CH2)2OCH3, or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: April 28, 2020
    Publication date: March 18, 2021
    Applicant: Dizal (Jiangsu) Pharmaceutical Co., Ltd.
    Inventors: Annika Birgitta Margareta ASTRAND, Neil Patrick GRIMSTER, Sameer KAWATKAR, Jason Grant KETTLE, Magnus K. NILSSON, Linette RUSTON, Qibin SU, Melissa VASBINDER, Jon James WINTER-HOLT, Richard Donald WOESSNER, Claudio Edmundo CHUAQUI, James MCCABE
  • Publication number: 20210002305
    Abstract: Disclosed are compounds of formula (Ia) or a pharmaceutically acceptable salt thereof, pharmaceutical compositions comprising compounds of formula (Ia) and methods of using the same for treating cancer or a respiratory inflammatory disease and inhibiting arginase: wherein R1 is —NHR1a; R1a is —H or —C(O)CH(R1b)NHR1c; R1b is selected from —H, —(C1-C4) alkyl and CH2OR1d; R1c is —H; or R1b and R1c, together with the atom to which they are attached, form a 5-membered heterocyclic ring; and R1d is H or —CH3.
    Type: Application
    Filed: February 15, 2019
    Publication date: January 7, 2021
    Inventors: Scott Nathan MLYNARSKI, Tyler GREBE, Sameer KAWATKAR, Maurice Raymond Verschoyle FINLAY, Iain SIMPSON, Jianyan WANG, Steve COOK, Dedong WU
  • Patent number: 10654835
    Abstract: Disclosed are compounds of formula (I), pharmaceutical compositions comprising such compounds and methods/uses of using the same, for example, for treating a JAK-related disorder, such as cancer, cancer cachexia or an immune disorder: wherein R1 is methyl or ethyl; R2 is selected from methyl, ethyl, methoxy and ethoxy; R3 is selected from hydrogen, chlorine, fluorine, bromine and methyl; R4 is selected from methyl, ethyl and —CH2OCH3; R5 and R6 are each individually methyl or hydrogen; and R7 is selected from methyl, ethyl, —(CH2)2OH and —(CH2)2OCH3, or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: May 19, 2020
    Assignee: Dizal (Jiangsu) Pharmaceutical Co., Ltd.
    Inventors: Annika Birgitta Margareta Astrand, Neil Patrick Grimster, Sameer Kawatkar, Jason Grant Kettle, Magnus K. Nilsson, Linette Ruston, Qibin Su, Melissa Vasbinder, Jon James Winter-Holt, Richard Donald Woessner, Claudio Edmundo Chuaqui, James McCabe
  • Publication number: 20190092760
    Abstract: Disclosed are compounds of formula (I), pharmaceutical compositions comprising such compounds and methods/uses of using the same, for example, for treating a JAK-related disorder, such as cancer, cancer cachexia or an immune disorder: wherein R1 is methyl or ethyl; R2 is selected from methyl, ethyl, methoxy and ethoxy; R3 is selected from hydrogen, chlorine, fluorine, bromine and methyl; R4 is selected from methyl, ethyl and —CH2OCH3; R5 and R6 are each individually methyl or hydrogen; and R7 is selected from methyl, ethyl, —(CH2)2OH and —(CH2)2OCH3, or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: November 20, 2018
    Publication date: March 28, 2019
    Applicant: Dizal (Jiangsu) Pharmaceutical Co., Ltd.
    Inventors: Annika ASTRAND, Neil GRIMSTER, Sameer KAWATKAR, Jason Grant KETTLE, Magnus K NILSSON, Linette RUSTON, Qibin SU, Melissa VASBINDER, Jon James WINTER-HOLT, Richard Donald WOESSNER, Claudio Edmundo CHUAQUI, James MCCABE
  • Patent number: 10167276
    Abstract: Disclosed are compounds of formula (I), pharmaceutical compositions comprising such compounds and methods/uses of using the same, for example, for treating a JAK-related disorder, such as cancer, cancer cachexia or an immune disorder: wherein R1 is methyl or ethyl; R2 is selected from methyl, ethyl, methoxy and ethoxy; R3 is selected from hydrogen, chlorine, fluorine, bromine and methyl; R4 is selected from methyl, ethyl and —CH2OCH3; R5 and R6 are each individually methyl or hydrogen; and R7 is selected from methyl, ethyl, —(CH2)2OH and —(CH2)2OCH3, or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: May 22, 2017
    Date of Patent: January 1, 2019
    Assignee: Dizal (Jiangsu) Pharmaceutical Co., Ltd.
    Inventors: Annika Astrand, Neil Grimster, Sameer Kawatkar, Jason Grant Kettle, Magnus K Nilsson, Linette Ruston, Qibin Su, Melissa Vasbinder, Jon James Winter-Holt, Richard Donald Woessner, Claudio Edmundo Chuaqui, James McCabe
  • Publication number: 20170320857
    Abstract: Disclosed are compounds of formula (I), pharmaceutical compositions comprising such compounds and methods/uses of using the same, for example, for treating a JAK-related disorder, such as cancer, cancer cachexia or an immune disorder: wherein R1 is methyl or ethyl; R2 is selected from methyl, ethyl, methoxy and ethoxy; R3 is selected from hydrogen, chlorine, fluorine, bromine and methyl; R4 is selected from methyl, ethyl and —CH2OCH3; R5 and R6 are each individually methyl or hydrogen; and R7 is selected from methyl, ethyl, —(CH2)2OH and —(CH2)2OCH3, or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: May 22, 2017
    Publication date: November 9, 2017
    Applicant: AstraZeneca AB
    Inventors: Annika ASTRAND, Neil GRIMSTER, Sameer KAWATKAR, Jason Grant KETTLE, Magnus K NILSSON, Linette RUSTON, Qibin SU, Melissa VASBINDER, Jon James WINTER-HOLT, Richard Donald WOESSNER, Claudio Edmundo CHUAQUI, James MCCABE
  • Patent number: 9714236
    Abstract: Disclosed are compounds of formula (I), pharmaceutical compositions comprising such compounds and methods/uses of using the same, for example, for treating a JAK-related disorder, such as cancer, cancer cachexia or an immune disorder: wherein R1 is methyl or ethyl; R2 is selected from methyl, ethyl, methoxy and ethoxy; R3 is selected from hydrogen, chlorine, fluorine, bromine and methyl; R4 is selected from methyl, ethyl and —CH2OCH3; R5 and R6 are each individually methyl or hydrogen; and R7 is selected from methyl, ethyl, —(CH2)2OH and —(CH2)2OCH3, or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: July 25, 2017
    Assignee: ASTRAZENECA AB
    Inventors: Neil Grimster, Sameer Kawatkar, Jason Grant Kettle, Qibin Su, Melissa Vasbinder, Claudio Edmundo Chuaqui
  • Publication number: 20170088543
    Abstract: Disclosed are compounds of formula (I), pharmaceutical compositions comprising such compounds and methods/uses of using the same, for example, for treating a JAK-related disorder, such as cancer, cancer cachexia or an immune disorder: wherein R1 is methyl or ethyl; R2 is selected from methyl, ethyl, methoxy and ethoxy; R3 is selected from hydrogen, chlorine, fluorine, bromine and methyl; R4 is selected from methyl, ethyl and —CH2OCH3; R5 and R6 are each individually methyl or hydrogen; and R7 is selected from methyl, ethyl, —(CH2)2OH and —(CH2)2OCH3, or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: September 22, 2016
    Publication date: March 30, 2017
    Applicant: AstraZeneca AB
    Inventors: Annika ASTRAND, Neil GRIMSTER, Sameer KAWATKAR, Jason Grant KETTLE, Magnus K. NILSSON, Linette RUSTON, Qibin SU, Melissa VASBINDER, Jon James WINTER-HOLT, Richard Donald WOESSNER, Claudio Edmundo CHUAQUI, Dedong WU, Wenzhan YANG, Tudor GRECU, James MCCABE
  • Patent number: 8841282
    Abstract: The present invention relates to pyrrolidinone benzenesulfonamides of the following formula: useful as inhibitors of ion channels. The invention also provides pharmaceutically acceptable compositions comprising the compounds of the invention and methods of using the compositions in the treatment of various disorders, such as pain.
    Type: Grant
    Filed: August 15, 2013
    Date of Patent: September 23, 2014
    Assignee: Vertex Pharmaceuticals Incorporated
    Inventors: Dean Stamos, Esther Ann Martinborough, Nicole Hilgraf, Timothy Donald Neubert, Mehdi Numa, Tara Whitney, Aarti Sameer Kawatkar
  • Publication number: 20130338119
    Abstract: The present invention relates to heterocyclic derivatives useful as inhibitors of ion channels. The invention also provides pharmaceutically acceptable compositions comprising the compounds of the invention and methods of using the compositions in the treatment of various disorders.
    Type: Application
    Filed: August 15, 2013
    Publication date: December 19, 2013
    Applicant: Vertex Pharmaceuticals Incorporated
    Inventors: Dean Stamos, Esther Ann Martinborough, Nicole Hilgraf, Timothy Donald Neubert, Mehdi Numa, Tara Whitney, Aarti Sameer Kawatkar
  • Patent number: 8586589
    Abstract: The present invention relates to piperidine and piperazine phenyl sulfonamides useful as inhibitors of ion channels. The invention also provides pharmaceutically acceptable compositions comprising the compounds of the invention and methods of using the compositions in the treatment of various disorders, including for example the treatment of pain.
    Type: Grant
    Filed: October 2, 2012
    Date of Patent: November 19, 2013
    Assignee: Vertex Pharmaceuticals Incorporated
    Inventors: Esther Martinborough, Lev T. D. Fanning, Urvi Sheth, Dean Wilson, Andreas P. Termin, Timothy D. Neubert, Nicole Hilgraf, Tara Leanne Hampton, Tara Whitney, Aarti Sameer Kawatkar, Danielle Lehsten, Dean Stamos, Jinglan Zhou, Vijayalaksmi Arumugam, Corey Anderson
  • Patent number: 8492403
    Abstract: Bicyclic derivatives useful as ion channel antagonists are disclosed herein. The compositions thereof are useful for treating or relieving pain-related conditions.
    Type: Grant
    Filed: January 21, 2013
    Date of Patent: July 23, 2013
    Assignee: Vertex Pharmaceuticals Incorporated
    Inventors: Aarti Sameer Kawatkar, Esther Ann Martinborough, Nicole Hilgraf, Andreas P. Termin, Timothy Donald Neubert