Patents by Inventor Kartik M. Keertikar

Kartik M. Keertikar 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: 10646494
    Abstract: The present invention relates to novel Heterocycle-Substituted Tetracyclic Compounds of Formula (I): (I) and pharmaceutically acceptable salts thereof, wherein A, A?, R2 R3 and R5 are as defined herein. The present invention also relates to compositions comprising at least one Heterocycle-Substituted Tetracyclic Compound, and methods of using the Heterocycle-Substituted Tetracyclic Compounds for treating or preventing HCV infection in a patient.
    Type: Grant
    Filed: August 14, 2017
    Date of Patent: May 12, 2020
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Wensheng Yu, Ling Tong, Joseph A. Kozlowski, Craig A. Coburn, De-Yi Yang, Deyou Sha, Jae-Hun Kim, Michael Dwyer, Kartik M Keertikar, Bin Hu, Bin Zhong, Jinglai Hao, Dahai Wang
  • Publication number: 20190175602
    Abstract: The present invention relates to novel Heterocycle-Substituted Tetracyclic Compounds of Formula (I): (I) and pharmaceutically acceptable salts thereof, wherein A, A?, R2 R3 and R5 are as defined herein. The present invention also relates to compositions comprising at least one Heterocycle-Substituted Tetra-cyclic Compound, and methods of using the Heterocycle-Substituted Tetracyclic Compounds for treating or preventing HCV infection in a patient.
    Type: Application
    Filed: August 14, 2017
    Publication date: June 13, 2019
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Wensheng Yu, LING Tong, Joseph A. Koziowski, Craig: A Coburn, De-yi J. Yang, Deyou Sha, Jae-Hun. Kim, Michael Dwyer, Kartik M. Keertikar, Bin Hu, Bin Zhong, Jinglai Hao, Dahai Wang
  • Patent number: 10138255
    Abstract: The present invention is directed to compounds of Formula I pharmaceutical compositions comprising the same, and their use in the inhibition of HIV protease, the inhibition of HIV replication, the prophylaxis of infection by HIV, the treatment of infection by HIV, and the prophylaxis, treatment, and delay in the onset or progression of AIDS.
    Type: Grant
    Filed: March 6, 2015
    Date of Patent: November 27, 2018
    Assignees: Merck Sharp & Dohme Corp., MSD R&D (China) Co., Ltd.
    Inventors: Peter D. Williams, John A. McCauley, Christopher J. Bungard, David Jonathan Bennett, Sherman T. Waddell, Gregori J. Morriello, Lehua Chang, Michael P. Dwyer, M. Katharine Holloway, Alejandro Crespo, Xin-Jie Chu, Catherine Wiscount, H. Marie Loughran, Jesse J. Manikowski, Jurgen Schulz, Kartik M. Keertikar, Bin Hu, Bin Zhong, Tao Ji
  • Patent number: 9840478
    Abstract: The present invention is directed to piperazine derivatives, pharmaceutical compositions comprising the same, and their use in the inhibition of HIV protease, the inhibition of HIV replication, the prophylaxis of infection by HIV, the treatment of infection by HIV, and the prophylaxis, treatment, and delay in the onset or progression of AIDS.
    Type: Grant
    Filed: July 29, 2014
    Date of Patent: December 12, 2017
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Peter D. Williams, John A. McCauley, David Jonathan Bennett, Christopher J. Bungard, Lehua Chang, Michael P. Dwyer, M. Katharine Holloway, Kartik M. Keertikar, H. Marie Loughran, Jessie J. Manikowski, Gregori J. Morriello, Dong-Ming Shen, Edward C. Sherer, Jurgen Schultz, Sherman T. Waddell, Catherine M. Wiscount, Nicolas Zorn, Xin-Jie Chu, Satyanarayana Tummanapalli, Vijayasaradhi Sivalenka, Bin Hu, Tao Ji, Bin Zhong
  • Publication number: 20170073354
    Abstract: The present invention is directed to compounds of Formula I pharmaceutical compositions comprising the same, and their use in the inhibition of HIV protease, the inhibition of HIV replication, the prophylaxis of infection by HIV, the treatment of infection by HIV, and the prophylaxis, treatment, and delay in the onset or progression of AIDS.
    Type: Application
    Filed: March 6, 2015
    Publication date: March 16, 2017
    Applicants: Merck Sharp & Dohme Corp., MSD R&D (China) Co., Ltd.
    Inventors: Peter D. Williams, John A. McCauley, Christopher J. Bungard, David Jonathan Bennett, Sherman T. Waddell, Gregori J. Morriello, Lehua Chang, Michael P. Dwyer, M. Katharine Holloway, Alejandro Crespo, Xin-Jie Chu, Catherine Wiscount, H. Marie Loughran, Jesse J. Manikowski, Jurgen Schulz, Kartik M. Keertikar, Bin Hu, Bin Zhong, Tao Ji
  • Publication number: 20160159752
    Abstract: The present invention is directed to piperazine derivatives, pharmaceutical compositions comprising the same, and their use in the inhibition of HIV protease, the inhibition of HIV replication, the prophylaxis of infection by HIV, the treatment of infection by HIV, and the prophylaxis, treatment, and delay in the onset or progression of AIDS.
    Type: Application
    Filed: July 29, 2014
    Publication date: June 9, 2016
    Applicants: Merck Sharp & Dohme Corp., MSD R&D (CHINA) CO., LTD.
    Inventors: Peter D. Williams, John A. McCauley, David Jonathan Bennett, Christopher J. Bungard, Lehua Chang, Michael P. Dwyer, M. Katharine Holloway, Kartik M. Keertikar, H. Marie Loughran, Jessie J. Manikowski, Gregori J. Morriello, Dong-Ming Shen, Edward C. Sherer, Jurgen Schultz, Sherman T. Waddell, Catherine M. Wiscount, Nicolas Zorn, Xin-Jie Chu, Satyanarayana Tummanapalli, Vijayasaradhi Sivalenka, Bin Hu, Tao Ji, Bin Zhong
  • Publication number: 20150057246
    Abstract: The present invention relates to novel Silyl-Containing Heterocyclic Compounds of Formula (I): (I) and pharmaceutically acceptable salts thereof, wherein A, B, C, D and R2 are as defined herein. The present invention also relates to compositions comprising at least one Silyl-Containing Heterocyclic Compound, and methods of using the Silyl-Containing Heterocyclic Compounds for treating or preventing HCV infection in a patient.
    Type: Application
    Filed: September 11, 2012
    Publication date: February 26, 2015
    Inventors: Michael P. Dwyer, Kartik M. Keertikar, Qingbei Zeng, Robert D. Mazzola, JR., John P. Caldwell, Haiqun Tang, Anilkumar Gopinadhan Nair, Bandarpalle B. Shankar, Stuart B. Rosenblum, Joseph A. Kozlowski
  • Publication number: 20140378416
    Abstract: The present invention relates to novel Silyl-Containing Heterocyclic Compounds of Formula (I): and pharmaceutically acceptable salts thereof, wherein A, B, C, D, E, F and L are as defined herein. The present invention also relates to compositions comprising at least one Silyl-Containing Heterocyclic Compound, and methods of using the Silyl-Containing Heterocyclic Compounds for treating or preventing HCV infection in a patient.
    Type: Application
    Filed: September 11, 2012
    Publication date: December 25, 2014
    Inventors: Michael P. Dwyer, Kartik M. Keertikar, Qingbei Zeng, Robert D. Mazzola, JR., Wensheng Yu, Haiqun Tang, Seong Heon Kim, Ling Tong, Stuart B. Rosenblum, Joseph A. Kozlowski, Anilkumar Gopinadhan Nair
  • Patent number: 8673924
    Abstract: In its many embodiments, the present invention provides a method of inhibiting one or more cyclin dependent kinases in a patient comprising administering to said patient a therapeutically effective amount of at least one pyrazolo[1,5-a]pyrimidine compound or a pharmaceutical composition comprising such compound, and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with the CDKs using such compounds or pharmaceutical compositions.
    Type: Grant
    Filed: April 20, 2007
    Date of Patent: March 18, 2014
    Assignees: Merck Sharp & Dohme Corp., Pharmacopeia, LLC
    Inventors: Timothy J. Guzi, Kamil Paruch, Michael P. Dwyer, Ronald J. Doll, Viyyoor M. Girijavallabhan, Alan Mallams, Carmen S. Alvarez, Kartik M. Keertikar, Jocelyn Rivera, Tin-Yau Chan, Vincent S. Madison, Thierry O. Fischmann, Lawrence W. Dillard, Vinh D. Tran, Zhenmin He, Ray Anthony James, Haengsoon Park, Vidyadhar M. Paradkar, Douglas Walsh Hobbs, Paul Kirschmeier, Rajat Bannerji
  • Patent number: 8609676
    Abstract: The present invention relates to novel heterocyclic compounds of Formulae (I): (Chemical formula should be inserted here as it appears on abstract in paper form) Formula (I) as disclosed herein, or a pharmaceutically acceptable salt, solvate, ester, prodrug or stereoisomer thereof. Also disclosed are pharmaceutical compositions comprising said compounds, and methods for using said compounds for treating or preventing a thromboembolic disorder.
    Type: Grant
    Filed: August 3, 2010
    Date of Patent: December 17, 2013
    Assignee: Merck Sharp & Dohme, Corp.
    Inventors: Mariappan V. Chelliah, Samuel Chackalamannil, William J. Greenlee, Keith Eagan, Zhuyan Guo, Martin C. Clasby, Yan Xia, Charles L. Jayne, Michael Dwyer, Kartik M. Keertikar, Tin-Yau Chan, Li Wang
  • Patent number: 8609635
    Abstract: The present invention relates to novel Fused Tricyclic Silyl Compounds of Formula (I): and pharmaceutically acceptable salts thereof, wherein A, B, C, D, M1, X1 and X2 are as defined herein. The present invention also relates to compositions comprising at least one Fused Tricyclic Silyl Compound, and methods of using the Fused Tricyclic Silyl Compounds for treating or preventing HCV infection in a patient.
    Type: Grant
    Filed: March 4, 2011
    Date of Patent: December 17, 2013
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Anilkumar Gopinadhan Nair, Kartik M. Keertikar, Seong Heon Kim, Joseph A. Kozlowski, Stuart Rosenblum, Oleg B. Selyutin, Michael Wong, Wensheng Yu, Qingbei Zeng
  • Patent number: 8586576
    Abstract: In its many embodiments, the present invention provides a novel class of pyrazolo[1,5-a]pyrimidine compounds as inhibitors of cyclin dependent kinases, methods of preparing such compounds, pharmaceutical compositions containing one or more such compounds, methods of preparing pharmaceutical formulations comprising one or more such compounds, and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with the CDKs using such compounds or pharmaceutical compositions.
    Type: Grant
    Filed: February 23, 2007
    Date of Patent: November 19, 2013
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Timothy J. Guzi, Kamil Paruch, Michael P. Dwyer, Marc Labroli, Kartik M. Keertikar
  • Patent number: 8580782
    Abstract: In its many embodiments, the present invention provides a novel class of pyrazolo[1,5-a]pyrimidine compounds as inhibitors of cyclin dependent kinases, methods of preparing such compounds, compositions containing one or more such compounds, methods of preparing pharmaceutical formulations comprising one or more such compounds, and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with the CDKs using such compounds or compositions.
    Type: Grant
    Filed: April 20, 2007
    Date of Patent: November 12, 2013
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Timothy J. Guzi, Kamil Paruch, Michael P. Dwyer, Marc A. Labroli, Kartik M. Keertikar
  • Patent number: 8318735
    Abstract: The present invention relates to novel Anilinopiperazine Derivatives of formula (I), compositions comprising the Anilinopiperazine Derivatives, and methods for using the Anilinopiperazine Derivatives for treating or preventing a proliferative disorder, an anti-proliferative disorder, inflammation, arthritis, a central nervous system disorder, a cardiovascular disease, alopecia, a neuronal disease, an ischemic injury, a viral disease, a fungal infection, or a disorder related to the activity of a protein kinase.
    Type: Grant
    Filed: October 29, 2007
    Date of Patent: November 27, 2012
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Gerald W. Shipps, Jr., Cliff C. Cheng, Xiaohua Huang, Thierry O. Fischmann, Jose S. Duca, Matthew Richards, Hongbo Zeng, Binyuan Sun, Panduranga Adulla Reddy, Lianyun Zhao, Shuyi Tang, Tzu T. Wong, Praveen K. Tadikonda, Luis E. Torres, M. Arshad Siddiqui, Michael P. Dwyer, Kartik M. Keertikar, Timothy J. Guzi
  • Publication number: 20120029204
    Abstract: The present invention discloses a process of preparing compound of formula (I): wherein A, M, and Z are as defined herein. An example of a compound of formula (I) is 3-amino-1-methyl-1H-1?H-4,4?-bispyrazole.
    Type: Application
    Filed: June 4, 2008
    Publication date: February 2, 2012
    Applicant: Schering Corporation
    Inventors: Carmen S. Alvarez, Michael P. Dwyer, Timothy J. Guzi, Kartik M. Keertikar, Marc A. Labroli, Kamil Paruch, Cory Seth Poker
  • Patent number: 8076479
    Abstract: Disclosed is a process for the synthesis of compounds of Formula I by sequentially aminating, first with a primary amine and then with a secondary amine, an intermediate compound of the structure of Formula E1, wherein R1 is a linear, branched, or cyclic alkyloxy functional group of the structure (—R2a—OH), R2a is a linear, branched or cyclic alkyl group, R2 is a linear, branched or cyclic alkyl group, and R3 is an alkylene-heterocycle, said process comprising forming intermediate compound of Formula E1 by reacting, in a refluxing reaction solvent selected from alcohols having 5 or less carbon atoms and mixtures of two or more thereof, a methanol solution of a salt of a 4-alkyl-3-amino-pyrazole compound of Formula C1, with a diamidization reagent selected from dimethylmalonate, monomethylmalonyl-chloride, and malonyl dichloride in the presence of a Lewis base having sufficient proton affinity to abstract a proton from the 1-position nitrogen on the pyrazole ring.
    Type: Grant
    Filed: August 17, 2007
    Date of Patent: December 13, 2011
    Assignee: Schering Corporation
    Inventors: Frank Xing Chen, Kartik M. Keertikar, Shen-Chun Kuo, Hong-Chang Lee, Ramani R. Raghavan, George G. Wu, Ji Xie
  • Patent number: 7807683
    Abstract: In its many embodiments, the present invention provides a novel class of pyrazolo[1,5-a]pyrimidine compounds as inhibitors of cyclin dependent kinases, methods of preparing such compounds, pharmaceutical compositions containing one or more such compounds, methods of preparing pharmaceutical formulations comprising one or more such compounds, and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with the CDKs using such compounds or pharmaceutical compositions.
    Type: Grant
    Filed: March 31, 2006
    Date of Patent: October 5, 2010
    Assignee: Schering Corporation
    Inventors: Timothy J. Guzi, Kamil Paruch, Michael P. Dwyer, Ronald J. Doll, Viyyoor M. Girijavallabhan, Alan Mallams, Carmen S. Alvarez, Kartik M. Keertikar, Jocelyn Rivera, Tin Yau Chan, Vincent Madison, Thierry O. Fischmann, Lawrence W. Dillard, Vinh D. Tran, Zhen Min He, Ray Anthony James, Haengsoon Park, Vidyadhar M. Paradkar, Douglas Walsh Hobbs
  • Publication number: 20100130465
    Abstract: The present invention relates to novel Anilinopiperazine Derivatives of formula (I), compositions comprising the Anilinopiperazine Derivatives, and methods for using the Anilinopiperazine Derivatives for treating or preventing a proliferative disorder, an anti-proliferative disorder, inflammation, arthritis, a central nervous system disorder, a cardiovascular disease, alopecia, a neuronal disease, an ischemic injury, a viral disease, a fungal infection, or a disorder related to the activity of a protein kinase.
    Type: Application
    Filed: October 29, 2007
    Publication date: May 27, 2010
    Inventors: Gerald W. Shipps, JR., Cliff C. Cheng, Xiaohua Huang, Thierry O. Fischmann, Jose S. Duca, Matthew Richards, Hongbo Zeng, Binyuan Sun, Panduranga A. Reddy, Lianyun Zhao, Shuyi Tang, Tzu T. Wong, Praveen K. Tadikonda, Luis E. Torres, M. Arshad Siddiqui, Michael P. Dwyer, Kartik M. Keertikar, Timothy J. Guzi
  • Patent number: 7605155
    Abstract: In its many embodiments, the present invention provides a class of pyrazolo[1,5-a]pyrimidine compounds as inhibitors of cyclin dependent kinases (CDKs), methods of preparing such compounds, pharmaceutical compositions containing one or more such compounds, methods of preparing pharmaceutical formulations comprising one or more such compounds, and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with the CDKs using such compounds or pharmaceutical compositions.
    Type: Grant
    Filed: October 4, 2006
    Date of Patent: October 20, 2009
    Assignee: Schering Corporation
    Inventors: Timothy J. Guzi, Kamil Paruch, Michael P. Dwyer, Marc Labroli, Kartik M. Keertikar
  • Patent number: 7452902
    Abstract: In its many embodiments, the present invention provides a novel class of imidazo[1,2-a]pyridine compounds as inhibitors of cyclin dependent kinases, methods of preparing such compounds, pharmaceutical compositions containing one or more such compounds, methods of preparing pharmaceutical formulations comprising one or more such compounds, and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with the CDKs using such compounds or pharmaceutical compositions.
    Type: Grant
    Filed: September 29, 2005
    Date of Patent: November 18, 2008
    Assignee: Schering Corporation
    Inventors: Michael P. Dwyer, Timothy J. Guzi, Kamil Paruch, Ronald J. Doll, Kartik M. Keertikar, Viyyoor M. Girijavallabhan