Patents by Inventor Dhruba Sarkar

Dhruba Sarkar 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).

  • Annulated 2-amino-3-cyano thiophenes and derivatives for the treatment of cancer
    Patent number: 11945812
    Abstract: The present invention encompasses compounds of formula (I) wherein R1a, R1b, R2a, R2b, Z, R3 to R5, A, p, U, V, W, L and E have the meanings given in the claims and specification, their use as inhibitors of mutant Ras family proteins, pharmaceutical compositions and preparations containing such compounds and their use as medicaments/medical uses, especially as agents for treatment and/or prevention of oncological diseases.
    Type: Grant
    Filed: June 1, 2021
    Date of Patent: April 2, 2024
    Assignees: Boehringer Ingelheim International GmbH, Vanderbilt University
    Inventors: Jason Abbott, Joachim Broeker, Jianwen Cui, Steve W. Fesik, Andreas Gollner, Tim Hodges, Jale Karolyi-Oezguer, Andrew Little, Andreas Mantoulidis, Jason Phan, Dhruba Sarkar, Christian Alan Paul Smethurst, Qi Sun, Matthias Treu, Alex Waterson
  • ANNULATED 2-AMINO-3-CYANO THIOPHENES AND DERIVATIVES FOR THE TREATMENT OF CANCER
    Publication number: 20230227470
    Abstract: The present invention encompasses compounds of formula (I) wherein R1a, R1b, R2a, R2b, Z, R3 to R5, A, p, U, V and W have the meanings given in the claims and specification, their use as inhibitors of KRAS, pharmaceutical compositions and preparations containing such compounds and their use as medicaments/medical uses, especially as agents for treatment and/or prevention of oncological diseases.
    Type: Application
    Filed: November 30, 2022
    Publication date: July 20, 2023
    Inventors: Joachim BROEKER, Jason ABBOTT, Jianwen CUI, Stephen W. FESIK, Julian FUCHS, Andreas GOLLNER, Lorenz HERDEIS, Tim HODGES, Andrew LITTLE, Andreas MANTOULIDIS, Jason PHAN, Juergen RAMHARTER, Dhruba SARKAR, Christian Alan Paul SMETHURST, Kevin SOKOL, Heinz STADTMUELLER, Qi SUN, Matthias TREU, Alex WATERSON, Birgit WILDING, Tobias WUNBERG
  • ANNULATED 2-AMINO-3-CYANO THIOPHENES AND DERIVATIVES FOR THE TREATMENT OF CANCER
    Publication number: 20230212164
    Abstract: The present invention encompasses compounds of formula (I), wherein R1a, R1b, R2a, R2b, Z, R3, R5, A, U, V, W, L and E have the meanings given in the claims and specification, their use as inhibitors of mutant Ras family proteins, pharmaceutical compositions and preparations containing such compounds and their use as medicaments/medical uses, especially as agents for treatment and/or prevention of oncological diseases.
    Type: Application
    Filed: June 1, 2021
    Publication date: July 6, 2023
    Inventors: Jason ABBOTT, Joachim BROEKER, Jianwen CUI, Stephen W. FESIK, Andreas GOLLNER, Tim HODGES, Jale KAROLYI-OEZGUER, Andrew LITTLE, Andreas MANTOULIDIS, Jason PHAN, Dhruba SARKAR, Christian Alan Paul SMETHURST, Qi SUN, Matthias TREU, Alex WATERSON
  • ANNULATED 2-AMINO-3-CYANO THIOPHENES AND DERIVATIVES FOR THE TREATMENT OF CANCER
    Publication number: 20210380574
    Abstract: The present invention encompasses compounds of formula (I) wherein R1a, R1b, R2a, R2b, Z, R3 to R5, A, p, U, V, W, L and E have the meanings given in the claims and specification, their use as inhibitors of mutant Ras family proteins, pharmaceutical compositions and preparations containing such compounds and their use as medicaments/medical uses, especially as agents for treatment and/or prevention of oncological diseases.
    Type: Application
    Filed: June 1, 2021
    Publication date: December 9, 2021
    Inventors: Jason ABBOTT, Joachim BROEKER, Jianwen CUI, Steve W. FESIK, Andreas GOLLNER, Tim HODGES, Jale KAROLYI-OEZGUER, Andrew LITTLE, Andreas MANTOULIDIS, Jason PHAN, Dhruba SARKAR, Christian Alan Paul SMETHURST, Qi SUN, Matthias TREU, Alex WATERSON
  • Process for producing small molecular weight organic compounds from carbonaceous material
    Patent number: 8487142
    Abstract: The present invention discloses a process for producing small molecular weight organic compounds from carbonaceous material comprising a step of contacting the carbonaceous material with carbon monoxide (CO) and steam in presence of a shift catalyst at a predetermined temperature and pressure.
    Type: Grant
    Filed: July 31, 2008
    Date of Patent: July 16, 2013
    Assignee: Nagarjuna Energy Private Limited
    Inventors: Manoj Kumar Sarkar, Dhurjati Prasad Chakrabarti, Dhruba Sarkar, Banibrata Pandey
  • Process for Producing Small Molecular Weight Organic Compounds from Carbonaceous Material
    Publication number: 20110313178
    Abstract: The present invention discloses a process for producing small molecular weight organic compounds from carbonaceous material comprising a step of contacting the carbonaceous material with carbon monoxide (CO) and steam in presence of a shift catalyst at a predetermined temperature and pressure.
    Type: Application
    Filed: July 31, 2008
    Publication date: December 22, 2011
    Applicant: NAGARJUNA ENERGY PRIVATE LIMITED
    Inventors: Manoj Kumar Sarkar, Dhurjati Prasad Chakrabarti, Dhruba Sarkar, Banibrata Pandey