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).
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Patent number: 10646494Abstract: 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: GrantFiled: August 14, 2017Date of Patent: May 12, 2020Assignee: 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
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Publication number: 20190175602Abstract: 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: ApplicationFiled: August 14, 2017Publication date: June 13, 2019Applicant: 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
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Patent number: 10138255Abstract: 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: GrantFiled: March 6, 2015Date of Patent: November 27, 2018Assignees: 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
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Patent number: 9840478Abstract: 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: GrantFiled: July 29, 2014Date of Patent: December 12, 2017Assignee: 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
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Publication number: 20170073354Abstract: 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: ApplicationFiled: March 6, 2015Publication date: March 16, 2017Applicants: 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
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Publication number: 20160159752Abstract: 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: ApplicationFiled: July 29, 2014Publication date: June 9, 2016Applicants: 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
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Publication number: 20150057246Abstract: 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: ApplicationFiled: September 11, 2012Publication date: February 26, 2015Inventors: 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
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Publication number: 20140378416Abstract: 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: ApplicationFiled: September 11, 2012Publication date: December 25, 2014Inventors: 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
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Patent number: 8673924Abstract: 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: GrantFiled: April 20, 2007Date of Patent: March 18, 2014Assignees: Merck Sharp & Dohme Corp., Pharmacopeia, LLCInventors: 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
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Patent number: 8609676Abstract: 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: GrantFiled: August 3, 2010Date of Patent: December 17, 2013Assignee: 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
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Patent number: 8609635Abstract: 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: GrantFiled: March 4, 2011Date of Patent: December 17, 2013Assignee: 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
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Patent number: 8586576Abstract: 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: GrantFiled: February 23, 2007Date of Patent: November 19, 2013Assignee: Merck Sharp & Dohme Corp.Inventors: Timothy J. Guzi, Kamil Paruch, Michael P. Dwyer, Marc Labroli, Kartik M. Keertikar
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Patent number: 8580782Abstract: 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: GrantFiled: April 20, 2007Date of Patent: November 12, 2013Assignee: Merck Sharp & Dohme Corp.Inventors: Timothy J. Guzi, Kamil Paruch, Michael P. Dwyer, Marc A. Labroli, Kartik M. Keertikar
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Patent number: 8318735Abstract: 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: GrantFiled: October 29, 2007Date of Patent: November 27, 2012Assignee: 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
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Publication number: 20120029204Abstract: 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: ApplicationFiled: June 4, 2008Publication date: February 2, 2012Applicant: Schering CorporationInventors: Carmen S. Alvarez, Michael P. Dwyer, Timothy J. Guzi, Kartik M. Keertikar, Marc A. Labroli, Kamil Paruch, Cory Seth Poker
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Patent number: 8076479Abstract: 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: GrantFiled: August 17, 2007Date of Patent: December 13, 2011Assignee: Schering CorporationInventors: Frank Xing Chen, Kartik M. Keertikar, Shen-Chun Kuo, Hong-Chang Lee, Ramani R. Raghavan, George G. Wu, Ji Xie
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Patent number: 7807683Abstract: 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: GrantFiled: March 31, 2006Date of Patent: October 5, 2010Assignee: Schering CorporationInventors: 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
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Publication number: 20100130465Abstract: 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: ApplicationFiled: October 29, 2007Publication date: May 27, 2010Inventors: 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
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Patent number: 7605155Abstract: 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: GrantFiled: October 4, 2006Date of Patent: October 20, 2009Assignee: Schering CorporationInventors: Timothy J. Guzi, Kamil Paruch, Michael P. Dwyer, Marc Labroli, Kartik M. Keertikar
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Patent number: 7452902Abstract: 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: GrantFiled: September 29, 2005Date of Patent: November 18, 2008Assignee: Schering CorporationInventors: Michael P. Dwyer, Timothy J. Guzi, Kamil Paruch, Ronald J. Doll, Kartik M. Keertikar, Viyyoor M. Girijavallabhan