Patents by Inventor Qingbei Zeng

Qingbei Zeng 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).

  • Publication number: 20150320751
    Abstract: The invention relates to compounds of formula (I), or a pharmaceutically acceptable salt thereof: which possess inhibitory activity against activating mutant forms of EGFR, and are accordingly useful for their anti-cancer activity and in methods of treatment of the human or animal body. The invention also relates to processes for the manufacture of the compounds, or a pharmaceutically acceptable salt thereof, to pharmaceutical compositions containing them and to their use in the manufacture of medicaments of use in the production of an anti-cancer effect in a warm-blooded animal such as man.
    Type: Application
    Filed: May 12, 2015
    Publication date: November 12, 2015
    Applicant: AstraZeneca AB
    Inventors: David Yunzhi Li, Jiabing Wang, Zhenfan Yang, Qingbei Zeng, Xiaolin Zhang
  • Patent number: 9066979
    Abstract: The invention relates to compounds of formula (I), or a pharmaceutically acceptable salt thereof: which possess inhibitory activity against activating mutant forms of EGFR, and are accordingly useful for their anti-cancer activity and in methods of treatment of the human or animal body. The invention also relates pharmaceutical compositions containing them and to their use in the manufacture of medicaments of use in the production of an anti-cancer effect in a warm-blooded animal such as man.
    Type: Grant
    Filed: March 5, 2014
    Date of Patent: June 30, 2015
    Assignee: AstraZeneca AB
    Inventors: David Yunzhi Li, Jiabing Wang, Zhenfan Yang, Qingbei Zeng, Xiaolin Zhang
  • Patent number: 8980920
    Abstract: The present invention relates to novel Linked Tricyclic Aryl Compounds, compositions comprising at least one Linked Tricyclic Compound, and methods of using Linked Tricyclic Aryl Compounds for treating or preventing HCV infection in a patient. in one aspect, the present invention provides Compounds of Formula (I): and pharmaceutically acceptable salts thereof, wherein: Non-limiting examples of the Compounds of Formula (II) include compound 56.
    Type: Grant
    Filed: May 28, 2010
    Date of Patent: March 17, 2015
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Qingbei Zeng, Kevin X. Chen, Anilkumar Gopinadhan Nair, Stuart B. Rosenblum, Joseph A. Kozlowski, F. George Njoroge
  • 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: 8901139
    Abstract: The present invention relates to Tricyclic Indole Derivatives, compositions comprising at least one Tricyclic Indole Derivatives, and methods of using the Tricyclic Indole Derivatives for treating or preventing a viral infection or a virus-related disorder in a patient.
    Type: Grant
    Filed: June 10, 2009
    Date of Patent: December 2, 2014
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Srikanth Venkatraman, Anilkumar Gopinadhan Nair, Kevin X. Chen, Francisco Velazquez, Qingbei Zeng, Duan Liu, Yueheng Jiang, Joseph A. Kozlowski, F. George Njoroge, Stuart B. Rosenblum, Stephen J. Gavalas, Patrick A. Pinto, Oleg B. Selyutin, Bancha Vibulbhan
  • Publication number: 20140255428
    Abstract: The invention relates to compounds of formula (I), or a pharmaceutically acceptable salt thereof: which possess inhibitory activity against activating mutant forms of EGFR, and are accordingly useful for their anti-cancer activity and in methods of treatment of the human or animal body. The invention also relates pharmaceutical compositions containing them and to their use in the manufacture of medicaments of use in the production of an anti-cancer effect in a warm-blooded animal such as man.
    Type: Application
    Filed: March 5, 2014
    Publication date: September 11, 2014
    Applicant: ASTRAZENECA AB
    Inventors: David Yunzhi LI, Jiabing WANG, Zhenfan YANG, Qingbei ZENG, Xiaolin ZHANG
  • Patent number: 8772505
    Abstract: The present invention relates to novel Tricyclic Compounds, compositions comprising at least one Tricyclic Compound, and methods of using Tricyclic Compounds for treating or preventing a viral infection or a virus-related disorder in a patient. The present invention provides Tricyclic Compounds of Formula (I): Non-limiting examples of the Compounds of Formula (I) include compound 44 The Compounds of Formula (II) can be useful for inhibiting HCV viral replication or replicon activity, and for treating or preventing HCV infection in a patient.
    Type: Grant
    Filed: May 28, 2010
    Date of Patent: July 8, 2014
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Kevin X. Chen, Anilkumar Gopinadhan Nair, Qingbei Zeng, Stuart B. Rosenblum, Joseph A. Kozlowski, F. George Njoroge
  • Patent number: 8614229
    Abstract: The present invention relates to Substituted Indole Derivatives, compositions comprising at least one Substituted Indole Derivative, and methods of using these Substituted Indole Derivatives for treating or preventing a viral infection or a virus-related disorder in a patient.
    Type: Grant
    Filed: August 27, 2008
    Date of Patent: December 24, 2013
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Gopinadhan N. Anilkumar, Frank Bennett, Tin-Yau Chan, Kevin X. Chen, Mousumi Sannigrahi, Francisco Velazquez, Srikanth Venkatraman, Qingbei Zeng, Jose S. Duca, Charles A. Lesburg, Joseph A. Kozlowski, F. George Njoroge, Stuart B. Rosenblum, Neng-Yang Shih
  • 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: 8557848
    Abstract: The present invention relates to 4,5-ring annulated indole derivatives, compositions comprising at least one 4,5-ring annulated indole derivatives, and methods of using the 4,5-ring annulated indole derivatives for treating or preventing a viral infection or a virus-related disorder in a patient. Wherein ring Z, of formula (I), is a cyclopentyl, cyclopentenyl, 5-membered heterocycloalkyl, 5-membered heterocycloalkenyl or 5-membered heteroaryl ring.
    Type: Grant
    Filed: December 17, 2007
    Date of Patent: October 15, 2013
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Kevin X. Chen, Srikanth Venkatraman, F. George Njoroge, Stuart B. Rosenblum, Charles A. Lesburg, Jose S. Duca, Neng-Yang Shih, Francisco Velazquez, Gopinadhan N. Anilkumar, Qingbei Zeng, Joseph A. Kozlowski
  • Publication number: 20130164258
    Abstract: The present invention relates to novel Tricyclic Compounds, compositions comprising at least one Tricyclic Compound, and methods of using Tricyclic Compounds for treating or preventing a viral infection or a virus-related disorder in a patient. The present invention provides Tricyclic Compounds of Formula (I): Non-limiting examples of the Compounds of Formula (I) include compound 44 The Compounds of Formula (II) can be useful for inhibiting HCV viral replication or replicon activity, and for treating or pre-venting HCV infection in a patient.
    Type: Application
    Filed: May 28, 2010
    Publication date: June 27, 2013
    Inventors: Kevin X. Chen, Anilkumar Gopinadhan Nair, Qingbei Zeng, Stuart B. Rosenblum, Joseph A. Kozlowski, F. George Njoroge
  • Publication number: 20120258078
    Abstract: The present invention relates to novel Linked Tricyclic Aryl Compounds, compositions comprising at least one Linked Tricyclic Compound, and methods of using Linked Tricyclic Aryl Compounds for treating or preventing HCV infection in a patient.
    Type: Application
    Filed: May 28, 2010
    Publication date: October 11, 2012
    Applicant: Schering Corporation
    Inventors: Qingbei Zeng, Kevin X. Chen, Anilkumar Gopinadhan Nair, Stuart B. Rosenblum, Joseph A. Kozlowski, F. George Njoroge
  • Patent number: 8207170
    Abstract: The present application discloses a compound, or enantiomers, stereoisomers, rotamers, tautomers, racemates or prodrug of said compound, or pharmaceutically acceptable salts, solvates or esters of said compound, or of said prodrug, said compound having the general structure shown in Formula 1: or a pharmaceutically acceptable salt, solvate or ester thereof, wherein the various moieties are defined herein. Also disclosed is a method of treating chemokine mediated diseases, such as, palliative therapy, curative therapy, prophylactic therapy of certain diseases and conditions such as inflammatory diseases (non-limiting example(s) include, psoriasis), autoimmune diseases (non-limiting example(s) include, rheumatoid arthritis, multiple sclerosis), graft rejection (non-limiting example(s) include, allograft rejection, xenograft rejection), infectious diseases (e.
    Type: Grant
    Filed: November 23, 2010
    Date of Patent: June 26, 2012
    Assignees: Schering Corporation, Pharmacopeia Drug Discovery, Inc.
    Inventors: Seong Heon Kim, Gopinadhan N. Anilkumar, Michael K. C. Wong, Qingbei Zeng, Stuart B. Rosenblum, Joseph A. Kozlowski, Yuefei Shao, Brian F. McGuinness, Douglas W. Hobbs
  • Publication number: 20120157466
    Abstract: The present application discloses a compound, or enantiomers, stereoisomers, rotamers, tautomers, racemates or prodrug of said compound, or pharmaceutically acceptable salts, solvates or esters of said compound, or of said prodrug, said compound having the general structure shown in Formula 1 or Formula 5: or a pharmaceutically acceptable salt, solvate or ester thereof. Also disclosed is a method of treating chemokine mediated diseases, such as, palliative therapy, curative therapy, prophylactic therapy of certain diseases and conditions such as inflammatory diseases (non limiting example(s) include, psoriasis), autoimmune diseases (non limiting example(s) include, rheumatoid arthritis, multiple sclerosis), graft rejection (non limiting example(s) include, allograft rejection, zenograft rejection), infectious diseases (e.
    Type: Application
    Filed: December 20, 2007
    Publication date: June 21, 2012
    Inventors: Qingbei Zeng, Stuart B. Rosenblum, Joseph A. Kozlowski, Neng-Yang Shih, Brian F. McGuinness, Douglas W. Hobbs
  • Patent number: 8143305
    Abstract: The present invention relates to 2,3-Substituted Indole Derivatives, compositions comprising at least one 2,3-Substituted Indole Derivative, and methods of using the 2,3-Substituted Indole Derivatives for treating or preventing a viral infection or a virus-related disorder in a patient.
    Type: Grant
    Filed: August 27, 2008
    Date of Patent: March 27, 2012
    Assignee: Schering Corporation
    Inventors: Gopinadhan N. Anilkumar, Frank Bennett, Tin-Yau Chan, Kevin X. Chen, Mousumi Sannigrahi, Francisco Velazquez, Srikanth Venkatraman, Qingbei Zeng, Jose S. Duca, Charles A. Lesburg, Joseph A. Kozlowski, F. George Njoroge, Stuart B. Rosenblum, Neng-Yang Shih, Stephen J. Gavalas, Yueheng Jiang, Patrick A. Pinto, Haiyan Pu, Oleg B. Selyutin, Bancha Vibulbhan, Li Wang, Wanli Wu, Weiying Yang, Yuhua Huang, Hsueh-Cheng Huang, Robert Palermo, Boris Feld
  • Publication number: 20110223134
    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: Application
    Filed: March 4, 2011
    Publication date: September 15, 2011
    Inventors: Anilkumar Gopinadhan Nair, Kerry M. Keertikar, Seong Heon Kim, Joseph A. Kozlowski, Stuart Rosenblum, Oleg B. Selyutin, Michael Wong, Wensheng Yu, Qingbei Zeng
  • Publication number: 20110189127
    Abstract: The present invention relates to Tricyclic Indole Derivatives, compositions comprising at least one Tricyclic Indole Derivatives, and methods of using the Tricyclic Indole Derivatives for treating or preventing a viral infection or a virus-related disorder in a patient.
    Type: Application
    Filed: June 10, 2009
    Publication date: August 4, 2011
    Inventors: Srikanth Venkatraman, Anilkumar Gopinadhan Nair, Kevin X. Chen, Francisco Valazquez, Qingbei Zeng, Duan Liu, Yueheng Jiang, Joseph A. Kozlowski, F. George Njoroge, Stuart B. Rosenblum, Stephen J. Gavalas, Patrick A. Pinto, Oleg B. Selyutin, Bancha Vibulbhan
  • Publication number: 20110104110
    Abstract: The present invention relates to Substituted Indole Derivatives, compositions comprising at least one Substituted Indole Derivative, and methods of using these Substituted Indole Derivatives for treating or preventing a viral infection or a virus-related disorder in a patient.
    Type: Application
    Filed: August 27, 2008
    Publication date: May 5, 2011
    Inventors: Gopinadhan N. Anikumar, Frank Bennett, Tin-Yau Chan, Kevin X. Chen, Mousumi Sannigrahi, Francisco Velazquez, Srikanth Venkatraman, Qingbei Zeng, Jose S. Duca, Charles A. Lesburg, Joseph A. Kozlowski, F. George Njoroge, Stuart B. Rosenblum, Neng-Yang Shih
  • Publication number: 20110104109
    Abstract: The present invention relates to Tetracyclic Indole Derivatives, compositions comprising at least one Tetracyclic Indole Derivative, and methods of using the Tetracyclic Indole Derivatives for treating or preventing a viral infection or a virus-related disorder in a patient.
    Type: Application
    Filed: August 27, 2008
    Publication date: May 5, 2011
    Inventors: Frank Bennett, Qingbei Zeng, Srikanth Venkatraman, Mousumi Sannigrahi, Kevin X. Chen, Gopinadhan N. Anilkumar, Stuart B. Rosenblum, Joseph A. Kozlowski, F. George Njoroge