Patents by Inventor Purakkattle Biju

Purakkattle Biju 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).

  • Substituted n?-hydroxycarbamimidoyl-1,2,5-oxadiazole compounds as indoleamine 2,3-dioxygenase (IDO) inhibitors
    Patent number: 10988487
    Abstract: Disclosed herein is a compound of formula (I), or a pharmaceutically acceptable salt thereof: Formula (I). Also disclosed herein are uses of the compounds disclosed herein in the potential treatment or prevention of an IDO-associated disease or disorder. Also disclosed herein are compositions comprising a compound disclosed herein. Further disclosed herein are uses of the compositions in the potential treatment or prevention of an IDO-associated disease or disorder.
    Type: Grant
    Filed: August 24, 2017
    Date of Patent: April 27, 2021
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Kun Liu, Abdelghani Achab, Purakkattle Biju, Timothy A. Cernak, Yongqi Deng, Xavier Fradera, Liangqin Guo, Yongxin Han, Shuwen He, Joseph Kozlowski, Derun Li, Guoqing Li, Qinglin Pu, Zhi-Cai Shi, Wensheng Yu, Hongjun Zhang
  • NOVEL SUBSTITUTED N'-HYDROXYCARBAMIMIDOYL-1,2,5-OXADIAZOLE COMPOUNDS AS INDOLEAMINE 2,3-DIOXYGENASE (IDO) INHIBITORS
    Publication number: 20200231606
    Abstract: Disclosed herein is a compound of formula (I), or a pharmaceutically acceptable salt thereof: Formula (I). Also disclosed herein are uses of the compounds disclosed herein in the potential treatment or prevention of an IDO-associated disease or disorder. Also disclosed herein are compositions comprising a compound disclosed herein. Further disclosed herein are uses of the compositions in the potential treatment or prevention of an IDO-associated disease or disorder.
    Type: Application
    Filed: August 24, 2017
    Publication date: July 23, 2020
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Kun Liu, Abdelghani Achab, Purakkattle Biju, Timothy A. Cernak, Yongqi Deng, Xavier Fradera, Liangqin Guo, Yongxin Han, Shuwen He, Joseph Kozlowski, Derun Li, Guoqing Li, Qinglin Pu, Zhi-Cai Shi, Wensheng Yu, Hongjun Zhang
  • Compounds as indoleamine 2,3-dioxygenase inhibitors
    Patent number: 10538497
    Abstract: Disclosed herein are compounds of formula (I) which are inhibitors of an IDO enzyme: (I). Also disclosed herein are uses of the compounds in the potential treatment or prevention of an IDO-associated disease or disorder. Also disclosed herein are compositions comprising these compounds. Further disclosed herein are uses of the compositions in the potential treatment or prevention of an IDO-associated disease or disorder.
    Type: Grant
    Filed: December 12, 2016
    Date of Patent: January 21, 2020
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Yongxin Han, Abdelghani Achab, Purakkattle Biju, Yongqi Deng, Xavier Fradera, Liangqin Guo, Shuwen He, Joseph Kozlowski, Ravi Kurukulasuriya, Kun Liu, Meredeth Ann McGowan, Qinglin Pu, Nunzio Sciammetta, Hongjun Zhang, Hua Zhou
  • Antidiabetic tricyclic compounds
    Patent number: 10519115
    Abstract: Novel compounds of the structural formula (I), and the pharmaceutically acceptable salts thereof, are agonists of G-protein coupled receptor 40 (GPR40) and may be useful in the treatment, prevention and suppression of diseases mediated by the G-protein-coupled receptor 40. The compounds of the present invention may be useful in the treatment of Type 2 diabetes mellitus, and of conditions that are often associated with this disease, including obesity and lipid disorders, such as mixed or diabetic dyslipidemia, hyperlipidemia, hypercholesterolemia, and hypertriglyceridemia.
    Type: Grant
    Filed: November 10, 2014
    Date of Patent: December 31, 2019
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Tesfaye Biftu, Purakkattle Biju, Steven L. Colletti, Qun Dang, Pawan Dhondi, Candido Gude, Hubert Josien, Nam Fung Kar, Anilkumar G. Nair, Ravi P. Nargund, De-Yi Yang, Cheng Zhu
  • Tricyclic compounds as inhibitors of mutant IDH enzymes
    Patent number: 10442819
    Abstract: The present invention is directed to tricyclic compounds of formula (I) which are inhibitors of one or more mutant IDH enzymes: (I). The present invention is also directed to uses of the tricyclic compounds described herein in the potential treatment or prevention of cancers in which one or more mutant IDH enzymes are involved. The present invention is also directed to compositions comprising these compounds. The present invention is also directed to uses of these compositions in the potential prevention or treatment of such cancers.
    Type: Grant
    Filed: December 1, 2015
    Date of Patent: October 15, 2019
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Christian Fischer, Stephane L. Bogen, Matthew L. Childers, Francesc Xavier Fradera Llinas, J. Michael Ellis, Sara Esposite, Qingmei Hong, Chunhui Huang, Alexander J. Kim, John W. Lampe, Michelle R. Machacek, Daniel R. McMasters, Ryan D. Otte, Dann L. Parker, Jr., Michael Reutershan, Nunzio Sciammetta, Pengcheng P. Shao, David L. Sloman, Feroze Ujjainwalla, Catherine White, Zhicai Wu, Yang Yu, Kake Zhao, Craig Gibeau, Tesfaye Biftu, Purakkattle Biju, Lei Chen, Joshua Close, Peter H. Fuller, Xianhai Huang, Min K. Park, Valdimir Simov, David J. Witter, Hongjun Zhang
  • Tricyclic compounds as inhibitors of mutant IDH enzymes
    Patent number: 10399972
    Abstract: The present invention is directed to tricyclic compounds of formula (I), (Ia) or (Ib) which are inhibitors of one or more mutant IDH enzymes. The present invention is also directed to uses of these tricyclic compounds in the potential treatment or prevention of cancers in which one or more mutant IDH enzymes are involved. The present invention is also directed to compositions comprising these compounds. The present invention is also directed to uses of these compositions in the potential prevention or treatment of such cancers.
    Type: Grant
    Filed: October 25, 2016
    Date of Patent: September 3, 2019
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: David J. Witter, Tesfaye Biftu, Purakkattle Biju, Stephane L. Bogen, Qingmei Hong, Chunhui Huang, Xianhai Huang, Bing Li, Min K. Park, David L. Sloman
  • NOVEL COMPOUNDS AS INDOLEAMINE 2,3-DIOXYGENASE INHIBITORS
    Publication number: 20180362482
    Abstract: Disclosed herein are compounds of formula (I) which are inhibitors of an IDO enzyme: (I). Also disclosed herein are uses of the compounds in the potential treatment or prevention of an IDO-associated disease or disorder. Also disclosed herein are compositions comprising these compounds. Further disclosed herein are uses of the compositions in the potential treatment or prevention of an IDO-associated disease or disorder.
    Type: Application
    Filed: December 12, 2016
    Publication date: December 20, 2018
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Yongxin Han, Abdelghani Achab, Purakkattle Biju, Yongqi Deng, Xavier Fradera, Liangqin Guo, Shuwen He, Joseph Kozlowski, Ravi Kurukulasuriya, Kun Liu, Meredeth Ann McGowan, Qinglin Pu, Nunzio Sciammetta, Hongjun Zhang, Hua Zhou
  • Aminoquinazoline compounds as Aantagonist
    Patent number: 10138212
    Abstract: The present invention is directed to compounds of generic formula I: or pharmaceutically acceptable salts thereof that are believed to be useful as an A2A-receptor antagonist.
    Type: Grant
    Filed: February 1, 2016
    Date of Patent: November 27, 2018
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Amjad Ali, Rongze Kuang, Yeon-Hee Lim, Michael Man-Chu Lo, Pauline C. Ting, Purakkattle Biju, Manuel de Lera Ruiz, Sylvia J. Degrado, Alexander L. Tung, Timothy J. Henderson, Liwu Hong, Jae-Hun Kim, Dong Won-Shik Kim, Joe Lee, Jie Wu, Heping Wu, Yushi Xiao, Tao Yu, Gang Zhou, Xiaohong Zhu, Kevin D. McCormick, Jayaram R. Tagat, Dong Xiao, Tanweer Khan, Jianhua Cao, Michael Berlin, Yonglian Zhang
  • NOVEL TRICYCLIC COMPOUNDS AS INHIBITORS OF MUTANT IDH ENZYMES
    Publication number: 20180305352
    Abstract: The present invention is directed to tricyclic compounds of formula (I), (Ia) or (Ib) which are inhibitors of one or more mutant IDH enzymes. The present invention is also directed to uses of these tricyclic compounds in the potential treatment or prevention of cancers in which one or more mutant IDH enzymes are involved. The present invention is also directed to compositions comprising these compounds. The present invention is also directed to uses of these compositions in the potential prevention or treatment of such cancers.
    Type: Application
    Filed: October 25, 2016
    Publication date: October 25, 2018
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: David J. Witter, Tesfaye Biftu, Purakkattle Biju, Stephane L. Bogen, Qingmei Hong, Chunhui Huang, Xianhai Huang, Bing Li, Min K. Park, David L. Sloman
  • Antidiabetic tricyclic compounds
    Patent number: 10000454
    Abstract: Novel compounds of the structural formula (I), and the pharmaceutically acceptable salts thereof, are agonists of G-protein coupled receptor 40 (GPR40) and may be useful in the treatment, prevention and suppression of diseases mediated by the G-protein-coupled receptor 40. The compounds of the present invention may be useful in the treatment of Type 2 diabetes mellitus, and of conditions that are often associated with this disease, including obesity and lipid disorders, such as mixed or diabetic dyslipidemia, hyperlipidemia, hypercholesterolemia, and hypertriglyceridemia.
    Type: Grant
    Filed: May 19, 2015
    Date of Patent: June 19, 2018
    Assignee: Merck Sharp & Dohme
    Inventors: Tesfaye Biftu, Purakkattle Biju, Timothy A. Blizzard, Zhengxia Chen, Matthew J. Clements, Mingxiang Cui, Jessica L. Frie, William K. Hagmann, Bin Hu, Hubert Josien, Anilkumar G. Nair, Christopher W. Plummer, Cheng Zhu
  • Antidiabetic tricyclic compounds
    Patent number: 9932311
    Abstract: Novel compounds of the structural formula (I), and the pharmaceutically acceptable salts thereof, are agonists of G-protein coupled receptor 40 (GPR40) and may be useful in the treatment, prevention and suppression of diseases mediated by the G-protein-coupled receptor 40. The compounds of the present invention may be useful in the treatment of Type 2 diabetes mellitus, and of conditions that are often associated with this disease, including obesity and lipid disorders, such as mixed or diabetic dyslipidemia, hyperlipidemia, hypercholesterolemia, and hypertriglyceridemia.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: April 3, 2018
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Tesfaye Biftu, Purakkattle Biju, Steven L. Colletti, Mingxiang Cui, William K. Hagmann, Bin Hu, Hubert Josien, Nam Fung Kar, Anilkumar Nair, Ravi Nargund, Donald M. Sperbeck, Cheng Zhu
  • AMINOQUINAZOLINE COMPOUNDS AS A2A ANTAGONIST
    Publication number: 20180037554
    Abstract: The present invention is directed to compounds of generic formula I: or pharmaceutically acceptable salts thereof that are believed to be useful as an A2A-receptor antagonist.
    Type: Application
    Filed: February 1, 2016
    Publication date: February 8, 2018
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Amjad Ali, Rongze Kuang, Yeon-Hee Lim, Michael Man-Chu Lo, Pauline C. Ting, Purakkattle Biju, Manuel de Lera Ruiz, Sylvia J. Degrado, Alexander L. Tung, Timothy J. Henderson, Liwu Hong, Jae-Hun Kim, Dong Won-Shik Kim, Joe Lee, Jie Wu, Heping Wu, Yushi Xiao, Tao Yu, Gang Zhou, Xiaohong Zhu, Kevin D. McCormick, Jayaram R. Tagat, Dong Xiao, Tanweer Khan, Jianhua Cao, Michael Berlin, Yonglian Zhang
  • Antidiabetic substituted heteroaryl compounds
    Patent number: 9834563
    Abstract: The present invention relates to a compound represented by formula (I): and pharmaceutically acceptable salts thereof. The compounds of formula I are agonists of G-protein coupled receptor 40 (GPR40) and may be useful in the treatment, prevention and suppression of diseases mediated by the G-protein-coupled receptor 40. The compounds of the present invention may be useful in the treatment of Type 2 diabetes mellitus, and of conditions that are often associated with this disease, including obesity and lipid disorders, such as mixed or diabetic dyslipidemia, hyperlipidemia, hypercholesterolemia, and hypertriglyceridemia.
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: December 5, 2017
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: William K. Hagmann, Bing Li, Jason W. Szewczyk, Bowei Wang, Dann Parker, Timothy Blizzard, Hubert Josien, Purakkattle Biju, Harry Chobanian, Candido Gude, Ravi P. Nargund, Barbara Pio, Qun Dang, Linus S. Lin, Bin Hu, Mingxiang Cui, Zhengxia Chen, Meibi Dai, Zaihong Zhang, Ying Lv, Lili Tian
  • ANTIDIABETIC SUBSTITUTED HETEROARYL COMPOUNDS
    Publication number: 20170166578
    Abstract: The present invention relates to a compound represented by formula (I): and pharmaceutically acceptable salts thereof. The compounds of formula I are agonists of G-protein coupled receptor 40 (GPR40) and may be useful in the treatment, prevention and suppression of diseases mediated by the G-protein-coupled receptor 40. The compounds of the present invention may be useful in the treatment of Type 2 diabetes mellitus, and of conditions that are often associated with this disease, including obesity and lipid disorders, such as mixed or diabetic dyslipidemia, hyperlipidemia, hypercholesterolemia, and hypertriglyceridemia.
    Type: Application
    Filed: December 17, 2014
    Publication date: June 15, 2017
    Inventors: William K. Hagmann, Bing Li, Jason W. Szewczyk, Bowei Wang, Dann Parker, Timothy Blizzard, Hubert Josien, Purakkattle Biju, Harry Chobanian, Candido Gude, Ravi P. Nargund, Barbara Pio, Qun Dang, Linus S. Lin, Bin Hu, Mingxiang Cui, Zhengxia Chen, Meibi Dai, Zaihong Zhang, Ying Lv, Lili Tian
  • ANTIDIABETIC TRICYCLIC COMPOUNDS
    Publication number: 20170081287
    Abstract: Novel compounds of the structural formula (I), and the pharmaceutically acceptable salts thereof, are agonists of G-protein coupled receptor 40 (GPR40) and may be useful in the treatment, prevention and suppression of diseases mediated by the G-protein-coupled receptor 40. The compounds of the present invention may be useful in the treatment of Type 2 diabetes mellitus, and of conditions that are often associated with this disease, including obesity and lipid disorders, such as mixed or diabetic dyslipidemia, hyperlipidemia, hypercholesterolemia, and hypertriglyceridemia.
    Type: Application
    Filed: May 19, 2015
    Publication date: March 23, 2017
    Inventors: Tesfaye Biftu, Purakkattle Biju, Timothy A. Blizzard, Zhengxia Chen, Matthew J. Clements, Mingxiang Cui, Jessica L. Frie, William K. Hagmann, Bin Hu, Hubert Josien, Anilkumar G. Nair, Christopher W. Plummer, Cheng Zhu
  • Antidiabetic tricyclic compounds
    Patent number: 9527875
    Abstract: Novel compounds of the structural formula (I), and the pharmaceutically acceptable salts thereof, are agonists of G-protein coupled receptor 40 (GPR40) and may be useful in the treatment, prevention and suppression of diseases mediated by the G-protein-coupled receptor 40. The compounds of the present invention may be useful in the treatment of Type 2 diabetes mellitus, and of conditions that are often associated with this disease, including obesity and lipid disorders, such as mixed or diabetic dyslipidemia, hyperlipidemia, hypercholesterolemia, and hypertriglyceridemia.
    Type: Grant
    Filed: July 31, 2013
    Date of Patent: December 27, 2016
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: William K. Hagmann, Ravi P. Nargund, Timothy A. Blizzard, Hubert Josien, Purakkattle Biju, Christopher W. Plummer, Qun Dang, Bing Li, Derun Li, Linus S. Lin, Mingxiang Cui, Bin Hu, Jinglai Hao, Zhengxia Chen
  • ANTIDIABETIC TRICYCLIC COMPOUNDS
    Publication number: 20160257652
    Abstract: Novel compounds of the structural formula (I), and the pharmaceutically acceptable salts thereof, are agonists of G-protein coupled receptor 40 (GPR40) and may be useful in the treatment, prevention and suppression of diseases mediated by the G-protein-coupled receptor 40. The compounds of the present invention may be useful in the treatment of Type 2 diabetes mellitus, and of conditions that are often associated with this disease, including obesity and lipid disorders, such as mixed or diabetic dyslipidemia, hyperlipidemia, hypercholesterolemia, and hypertriglyceridemia.
    Type: Application
    Filed: November 10, 2014
    Publication date: September 8, 2016
    Inventors: Tesfaye Biftu, Purakkattle Biju, Steven L. Colletti, Qun Dang, Pawan Dhondi, Candido Gude, Hubert Josien, Nam Fung Kar, Anilkumar G. Nair, Ravi P. Nargund, De-Yi Yang, Cheng Zhu
  • ANTIDIABETIC TRICYCLIC COMPOUNDS
    Publication number: 20160207887
    Abstract: Novel compounds of the structural formula (I), and the pharmaceutically acceptable salts thereof, are agonists of G-protein coupled receptor 40 (GPR40) and may be useful in the treatment, prevention and suppression of diseases mediated by the G-protein-coupled receptor 40. The compounds of the present invention may be useful in the treatment of Type 2 diabetes mellitus, and of conditions that are often associated with this disease, including obesity and lipid disorders, such as mixed or diabetic dyslip idemia, hyperlipidemia, hypercholesterolemia, and hypertriglyceridemia.
    Type: Application
    Filed: September 30, 2014
    Publication date: July 21, 2016
    Inventors: Tesfaye Biftu, Purakkattle Biju, Steven L. Colletti, Mingxiang Cui, William K. Hagmann, Bin Hu, Hubert Josien, Nam Fung Kar, Anilkumar Nair, Ravi Nargund, Donald M. Sperbeck, Cheng Zhu
  • ANTIDIABETIC TRICYCLIC COMPOUNDS
    Publication number: 20150191495
    Abstract: Novel compounds of the structural formula (I), and the pharmaceutically acceptable salts thereof, are agonists of G-protein coupled receptor 40 (GPR40) and may be useful in the treatment, prevention and suppression of diseases mediated by the G-protein-coupled receptor 40. The compounds of the present invention may be useful in the treatment of Type 2 diabetes mellitus, and of conditions that are often associated with this disease, including obesity and lipid disorders, such as mixed or diabetic dyslipidemia, hyperlipidemia, hypercholesterolemia, and hypertriglyceridemia.
    Type: Application
    Filed: July 31, 2013
    Publication date: July 9, 2015
    Inventors: William K. Hagmann, Ravi P. Nargund, Timothy A. Blizzard, Hubert Josien, Purakkattle Biju, Christopher W. Plummer, Qun Dang, Bing Li, Derun Li, Linus S. Lin, Mingxiang Cui, Bin Hu, Jinglai Hao, Zhengxia Chen
  • ANTIDIABETIC TRICYCLIC COMPOUNDS
    Publication number: 20140045746
    Abstract: Novel compounds of the structural formula (I), and the pharmaceutically acceptable salts thereof, are agonists of G-protein coupled receptor 40 (GPR40) and may be useful in the treatment, prevention and suppression of diseases mediated by the G-protein-coupled receptor 40. The compounds of the present invention may be useful in the treatment of Type 2 diabetes mellitus, and of conditions that are often associated with this disease, including obesity and lipid disorders, such as mixed or diabetic dyslipidemia, hyperlipidemia, hypercholesterolemia, and hypertriglyceridemia.
    Type: Application
    Filed: July 31, 2013
    Publication date: February 13, 2014
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: William K. Hagmann, Ravi P. Nargund, Timothy A. Blizzard, Hubert Josien, Purakkattle Biju, Christopher W. Plummer, Qun Dang, Bing Li, Linus S. Lin, Mingxiang Cui, Bin Hu, Jinglai Hao, Zhengxia Chen