Patents by Inventor Christiana I. Iwuagwu

Christiana I. Iwuagwu 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: 10869934
    Abstract: A compound capable of inhibiting cell proliferation, having a structure according to formula (I) wherein the variables in formula (I) are as defined in the specification. Such compounds are useful as anti-cancer agents, especially in antibody-drug conjugates.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: December 22, 2020
    Assignee: Bristol-Myers Squibb Company
    Inventors: Ivar M. McDonald, Prasanna Sivaprakasam, Christiana I. Iwuagwu, Kevin M. Peese, Heng Cheng, Naidu S. Chowdari, Sanjeev Gangwar
  • Publication number: 20190358339
    Abstract: A compound capable of inhibiting cell proliferation, having a structure according to formula (I) wherein the variables in formula (I) are as defined in the specification. Such compounds are useful as anti-cancer agents, especially in antibody-drug conjugates.
    Type: Application
    Filed: August 6, 2019
    Publication date: November 28, 2019
    Inventors: Ivar M. McDonald, Prasanna Sivaprakasam, Christiana I. Iwuagwu, Kevin M. Peese, Heng Cheng, Naidu S. Chowdari, Sanjeev Gangwar
  • Patent number: 10398783
    Abstract: A compound capable of inhibiting cell proliferation, having a structure according to formula (I) wherein the variables in formula (I) are as defined in the specification. Such compounds are useful as anti-cancer agents, especially in antibody-drug conjugates.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: September 3, 2019
    Assignee: Bristol-Myers Squibb Company
    Inventors: Ivar M. McDonald, Prasanna Sivaprakasam, Christiana I. Iwuagwu, Kevin M. Peese, Heng Cheng, Naidu S. Chowdari, Sanjeev Gangwar
  • Publication number: 20180110873
    Abstract: A compound capable of inhibiting cell proliferation, having a structure according to formula (I) wherein the variables in formula (I) are as defined in the specification. Such compounds are useful as anti-cancer agents, especially in antibody-drug conjugates.
    Type: Application
    Filed: October 20, 2017
    Publication date: April 26, 2018
    Inventors: Ivar M. MCDONALD, Prasanna SIVAPRAKASAM, Christiana I. IWUAGWU, Kevin M. Peese, Heng CHENG, Naidu S. CHOWDARI, Sanjeev GANGWAR
  • Publication number: 20150342935
    Abstract: The disclosure provides compounds of formula I, including their salts, as well as compositions and methods of using the compounds. The compounds are ligands for the nicotinic ?7 receptor and may be useful for the treatment of various disorders of the central nervous system, especially affective and neurodegenerative disorders.
    Type: Application
    Filed: August 6, 2015
    Publication date: December 3, 2015
    Inventors: James H. Cook, II, Ivar M. McDonald, Dalton King, Richard E. Olson, Nenghui Wang, Christiana I. Iwuagwu, F. Christopher Zusi, John E. Macor
  • Publication number: 20150094309
    Abstract: The disclosure provides compounds of formula I, including their salts, as well as compositions and methods of using the compounds. The compounds are ligands for the nicotinic ?7 receptor and may be useful for the treatment of various disorders of the central nervous system, especially affective and neurodegenerative disorders.
    Type: Application
    Filed: December 18, 2014
    Publication date: April 2, 2015
    Inventors: James H. Cook, II, Ivar M. McDonald, Dalton King, Richard E. Olson, Nenghui Wang, Christiana I. Iwuagwu, F. Christopher Zusi, John E. Macor
  • Patent number: 8841301
    Abstract: The disclosure generally relates to compounds of formula I, including their salts, as well as compositions and methods of using the compounds. The compounds are ligands, antagonists of the NR2B receptor and may be useful for the treatment of various disorders of the central nervous system.
    Type: Grant
    Filed: September 24, 2012
    Date of Patent: September 23, 2014
    Assignee: Bristol-Myers Squibb Company
    Inventors: Dalton King, John E. Macor, Richard E. Olson, Christiana I. Iwuagwu, George N. Karageorge
  • Publication number: 20140221377
    Abstract: The disclosure provides compounds of formula I, including their salts, as well as compositions and methods of using the compounds. The compounds are ligands for the nicotinic ?7 receptor and may be useful for the treatment of various disorders of the central nervous system, especially affective and neurodegenerative disorders.
    Type: Application
    Filed: April 7, 2014
    Publication date: August 7, 2014
    Inventors: James H. Cook, II, Ivar M. McDonald, Dalton King, Richard E. Olson, Nenghui Wang, Christiana I. Iwuagwu, F. Christopher Zusi, John E. Macor
  • Patent number: 8507516
    Abstract: The disclosure provides compounds of formula I, including their salts, as well as compositions and methods of using the compounds. The compounds are ligands for the nicotinic ?7 receptor and may be useful for the treatment of various disorders of the central nervous system, especially affective and neurodegenerative disorders.
    Type: Grant
    Filed: October 26, 2010
    Date of Patent: August 13, 2013
    Assignee: Bristol-Myers Squibb Company
    Inventors: Ivar M. McDonald, Robert A. Mate, James H. Cook, II, Dalton King, Richard E. Olson, Nenghui Wang, Christiana I. Iwuagwu, F. Christopher Zusi, John E. Macor
  • Patent number: 8481555
    Abstract: The disclosure generally relates to compounds of the following formula, including their salts, as well as compositions and methods of using the compounds. The compounds are prodrugs for ligands, agonists, and partial agonists for the nicotinic ?7 receptor and may be useful for the treatment of various disorders of the central nervous system, especially affective and neurodegenerative disorders.
    Type: Grant
    Filed: April 29, 2011
    Date of Patent: July 9, 2013
    Assignee: Bristol-Myers Squibb Company
    Inventors: Kimberley A. Lentz, Rex Denton, James H. Cook, II, Ivar M. McDonald, Dalton King, Richard E. Olson, Nenghui Wang, Robert A. Mate, Christiana I. Iwuagwu, F. Christopher Zusi, John E. Macor, Matthew D. Hill, Haiquan Fang
  • Patent number: 8309577
    Abstract: The disclosure provides compounds of formula I, including their salts, as well as compositions and methods of using the compounds. The compounds are ligands for the nicotinic ?7 receptor and may be useful for the treatment of various disorders of the central nervous system, especially affective and neurodegenerative disorders.
    Type: Grant
    Filed: October 28, 2009
    Date of Patent: November 13, 2012
    Assignee: Bristol-Myers Squibb Company
    Inventors: James H. Cook, II, Ivar M. McDonald, Dalton King, Richard E. Olson, Nenghui Wang, Christiana I. Iwuagwu, F. Christopher Zusi, John E. Macor
  • Patent number: 8278320
    Abstract: The disclosure provides compounds of formula I, including Ia, Ib, Ic, or Id, including their salts, as well as compositions and methods of using the compounds. The compounds are ligands for the nicotinic ?7 receptor and may be useful for the treatment of various disorders of the central nervous system, especially affective and neurodegenerative disorders.
    Type: Grant
    Filed: October 19, 2010
    Date of Patent: October 2, 2012
    Assignee: Bristol-Myers Squibb Company
    Inventors: Ivar M. McDonald, Robert A. Mate, James H. Cook, II, Dalton King, Richard E. Olson, Nenghui Wang, Christiana I. Iwuagwu, F. Christopher Zusi, Matthew D. Hill, Haiquan Fang, John E. Macor
  • Publication number: 20120108596
    Abstract: The disclosure generally relates to compounds of formula I, including their salts, as well as compositions and methods of using the compounds. The compounds are prodrugs for ligands, agonists, and partial agonists for the nicotinic ?7 receptor and may be useful for the treatment of various disorders of the central nervous system, especially affective and neurodegenerative disorders.
    Type: Application
    Filed: April 29, 2011
    Publication date: May 3, 2012
    Inventors: Kimberley A. Lentz, Rex Denton, James H. Cook, II, Ivar M. McDonald, Dalton King, Richard E. Olson, Nenghui Wang, Robert A. Mate, Christiana I. Iwuagwu, F. Christopher Zusi, John E. Macor, Matthew D. Hill, Haiquan Fang
  • Publication number: 20120035189
    Abstract: The disclosure provides compounds of formula I, including their salts, as well as compositions and methods of using the compounds. The compounds are ligands for the nicotinic ?7 receptor and may be useful for the treatment of various disorders of the central nervous system, especially affective and neurodegenerative disorders.
    Type: Application
    Filed: October 11, 2011
    Publication date: February 9, 2012
    Inventors: James H. Cook, II, Ivar M. McDonald, Dalton King, Richard E. Olson, Nenghui Wang, Christiana I. Iwuagwu, F. Christopher Zusi, John E. Macor
  • Publication number: 20120035178
    Abstract: The disclosure provides compounds of formula I, including their salts, as well as compositions and methods of using the compounds. The compounds are ligands for the nicotinic ?7 receptor and may be useful for the treatment of various disorders of the central nervous system, especially affective and neurodegenerative disorders.
    Type: Application
    Filed: October 10, 2011
    Publication date: February 9, 2012
    Inventors: James H. Cook, II, Ivar M. McDonald, Dalton King, Richard E. Olson, Nenghui Wang, Christiana I. Iwuagwu, F. Christopher Zusi, John E. Macor
  • Publication number: 20110269787
    Abstract: The disclosure provides compounds of formula I, including their salts, as well as compositions and methods of using the compounds. The compounds are ligands for the nicotinic ?7 receptor and may be useful for the treatment of various disorders of the central nervous system, especially affective and neurodegenerative disorders.
    Type: Application
    Filed: October 26, 2010
    Publication date: November 3, 2011
    Inventors: Ivar M. McDonald, Robert A. Mate, James H. Cook, II, Dalton King, Richard E. Olson, Nenghui Wang, Christiana I. Iwuagwu, F. Christopher Zusi, John E. Macor
  • Publication number: 20110263605
    Abstract: The disclosure provides compounds of formula I, including Ia, Ib, Ic, or Id, including their salts, as well as compositions and methods of using the compounds. The compounds are ligands for the nicotinic ?7 receptor and may be useful for the treatment of various disorders of the central nervous system, especially affective and neurodegenerative disorders.
    Type: Application
    Filed: October 19, 2010
    Publication date: October 27, 2011
    Inventors: Ivar M. McDonald, Robert A. Mate, James H. Cook, II, Dalton King, Richard E. Olson, Nenghui Wang, Christiana I. Iwuagwu, F. Christopher Zusi, Matthew D. Hill, Haiquan Fang, John E. Macor
  • Patent number: 7863291
    Abstract: The disclosure provides compounds of formula I, including their salts, as well as compositions and methods of using the compounds. The compounds are ligands for the nicotinic ?7 receptor and may be useful for the treatment of various disorders of the central nervous system, especially affective and neurodegenerative disorders.
    Type: Grant
    Filed: April 14, 2009
    Date of Patent: January 4, 2011
    Assignee: Bristol-Myers Squibb Company
    Inventors: James H. Cook, II, Ivar M. McDonald, Dalton King, Richard E. Olson, Nenghui Wang, Christiana I. Iwuagwu, F. Christopher Zusi, John E. Macor
  • Publication number: 20100099684
    Abstract: The disclosure provides compounds of formula I, including their salts, as well as compositions and methods of using the compounds. The compounds are ligands for the nicotinic ?7 receptor and may be useful for the treatment of various disorders of the central nervous system, especially affective and neurodegenerative disorders.
    Type: Application
    Filed: October 28, 2009
    Publication date: April 22, 2010
    Inventors: James H. Cook, II, Ivar M. McDonald, Dalton King, Richard E. Olson, Nenghui Wang, Christiana I. Iwuagwu, F. Christopher Zusi, John E. Macor
  • Publication number: 20090270405
    Abstract: The disclosure provides compounds of formula I, including their salts, as well as compositions and methods of using the compounds. The compounds are ligands for the nicotinic ?7 receptor and may be useful for the treatment of various disorders of the central nervous system, especially affective and neurodegenerative disorders.
    Type: Application
    Filed: April 14, 2009
    Publication date: October 29, 2009
    Inventors: James H. Cook, II, Ivar M. McDonald, Dalton King, Richard E. Olson, Nenghui Wang, Christiana I. Iwuagwu, F. Christopher Zusi, John E. Macor