Patents by Inventor Walter Lewis Johnson

Walter Lewis Johnson 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: 20180037581
    Abstract: Benzodiazepine dimers having a structure represented by wherein X comprises a heteroaromatic moiety and is as further defined in the application; R1 is and the other variables in formulae (I), (Ia), and (Ib) are as defined in the application. Such dimers are useful as anti-cancer agents, especially when used in an antibody-drug conjugate (ADC).
    Type: Application
    Filed: October 17, 2017
    Publication date: February 8, 2018
    Inventors: Ivar M. MCDONALD, Naidu S. CHOWDARI, Walter Lewis JOHNSON, Yong ZHANG, Robert M. BORZILLERI, Sanjeev GANGWAR
  • Patent number: 9822112
    Abstract: Benzodiazepine dimers having a structure represented by wherein X comprises a heteroaromatic moiety and is as further defined in the application; R1 is and the other variables in formulae (I), (Ia), and (Ib) are as defined in the application. Such dimers are useful as anti-cancer agents, especially when used in an antibody-drug conjugate (ADC).
    Type: Grant
    Filed: May 5, 2017
    Date of Patent: November 21, 2017
    Assignee: Bristol-Meyers Squibb Company
    Inventors: Ivar M. McDonald, Naidu S. Chowdari, Walter Lewis Johnson, Yong Zhang, Robert M. Borzilleri, Sanjeev Gangwar
  • Publication number: 20170233392
    Abstract: Benzodiazepine dimers having a structure represented by wherein X comprises a heteroaromatic moiety and is as further defined in the application; R1 is and the other variables in formulae (I), (Ia), and (Ib) are as defined in the application. Such dimers are useful as anti-cancer agents, especially when used in an antibody-drug conjugate (ADC).
    Type: Application
    Filed: May 5, 2017
    Publication date: August 17, 2017
    Inventors: Ivar M. MCDONALD, Naidu S. Chowdari, Walter Lewis Johnson, Yong Zhang, Robert M. Borzilleri, Sanjeev Gangwar
  • Patent number: 9676775
    Abstract: Benzodiazepine dimers having a structure represented by wherein X comprises a heteroaromatic moiety and is as further defined in the application; R1 is and the other variables in formulae (I), (Ia), and (Ib) are as defined in the application. Such dimers are useful as anti-cancer agents, especially when used in an antibody-drug conjugate (ADC).
    Type: Grant
    Filed: November 15, 2016
    Date of Patent: June 13, 2017
    Assignee: Bristol-Myers Squibb Company
    Inventors: Ivar M. McDonald, Naidu S. Chowdari, Walter Lewis Johnson, Yong Zhang, Robert M. Borzilleri, Sanjeev Gangwar
  • Publication number: 20170057959
    Abstract: Benzodiazepine dimers having a structure represented by wherein X comprises a heteroaromatic moiety and is as further defined in the application; R1 is and the other variables in formulae (I), (Ia), and (Ib) are as defined in the application. Such dimers are useful as anti-cancer agents, especially when used in an antibody-drug conjugate (ADC).
    Type: Application
    Filed: November 15, 2016
    Publication date: March 2, 2017
    Inventors: Ivar M. MCDONALD, Naidu S. CHOWDARI, Walter Lewis JOHNSON, Yong ZHANG, Robert M. BORZILLERI, Sanjeev GANGWAR
  • Patent number: 9556178
    Abstract: The invention provides compounds of Formula (I) and pharmaceutically acceptable salts thereof. The Formula (I) imidazotriazines inhibit protein kinase activity thereby making them useful as anticancer agents.
    Type: Grant
    Filed: November 4, 2014
    Date of Patent: January 31, 2017
    Assignee: Bristol-Myers Squibb Company
    Inventors: Ashok Vinayak Purandare, Brian E. Fink, Ashvinikumar V. Gavai, Walter Lewis Johnson, Amy C. Hart, Liqi He, Tram N. Huynh, Jennifer Inghrim, Harold Mastalerz, Xiaopeng Sang, Christine M. Tarby, Honghe Wan, Wayne Vaccaro, Guifen Zhang, Yufen Zhao, Kurt Zimmermann
  • Patent number: 9526801
    Abstract: Benzodiazepine dimers having a structure represented by wherein X comprises a heteroaromatic moiety and is as further defined in the application; R1 is and the other variables in formulae (I), (Ia), and (Ib) are as defined in the application. Such dimers are useful as anti-cancer agents, especially when used in an antibody-drug conjugate (ADC).
    Type: Grant
    Filed: January 13, 2016
    Date of Patent: December 27, 2016
    Assignee: BRISTOL-MYERS SQUIBB COMPANY
    Inventors: Ivar M. McDonald, Naidu S. Chowdari, Walter Lewis Johnson, Yong Zhang, Robert M. Borzilleri, Sanjeev Gangwar
  • Publication number: 20160199510
    Abstract: Benzodiazepine dimers having a structure represented by wherein X comprises a heteroaromatic moiety and is as further defined in the application; R1 is and the other variables in formulae (I), (Ia), and (Ib) are as defined in the application. Such dimers are useful as anti-cancer agents, especially when used in an antibody-drug conjugate (ADC).
    Type: Application
    Filed: January 13, 2016
    Publication date: July 14, 2016
    Inventors: Ivar M. MCDONALD, Naidu S. CHOWDARI, Walter Lewis Johnson, Yong Zhang, Robert M. BORZILLERI, Sanjeev Gangwar
  • Publication number: 20160108050
    Abstract: The invention provides compounds of Formula (I) and pharmaceutically acceptable salts thereof. The Formula (I) imidazotriazines inhibit protein kinase activity thereby making them useful as anticancer agents.
    Type: Application
    Filed: December 21, 2015
    Publication date: April 21, 2016
    Inventors: Ashok Vinayak Purandare, Brian E. Fink, Walter Lewis Johnson, Amy C. Hart, Liqi He, Tram N. Huynh, Jennifer lnghrim, Harold Mastalerz, Xiaopeng Sang, Christine M. Tarby, Honghe Wan, Wayne Vaccaro, Guifen Zhang, Yufen Zhao, Kurt Zimmermann, Yong Zhang, Libing Chen, Bin Chen, John S. Tokarski, Ashvinikumar V. Gavai
  • Patent number: 9273057
    Abstract: The invention provides compounds of Formula (I) and pharmaceutically acceptable salts thereof. The Formula (I) imidazotriazines inhibit protein kinase activity thereby making them useful as anticancer agents.
    Type: Grant
    Filed: July 12, 2013
    Date of Patent: March 1, 2016
    Assignee: Bristol-Myers Squibb Company
    Inventors: Ashok Vinayak Purandare, Brian E. Fink, Walter Lewis Johnson, Amy C. Hart, Liqi He, Tram N. Huynh, Jennifer Inghrim, Harold Mastalerz, Xiaopeng Sang, Christine M. Tarby, Honghe Wan, Wayne Vaccaro, Guifen Zhang, Yufen Zhao, Kurt Zimmermann, Yong Zhang, Libing Chen, Bin Chen, John S. Tokarski, Ashvinikumar V. Gavai
  • Publication number: 20150210697
    Abstract: The invention provides compounds of Formula (I) and pharmaceutically acceptable salts thereof. The Formula (I) imidazotriazines inhibit protein kinase activity thereby making them useful as anticancer agents.
    Type: Application
    Filed: July 12, 2013
    Publication date: July 30, 2015
    Inventors: Ashok Vinayak Purandare, Brian E. Fink, Walter Lewis Johnson, Amy C. Hart, Liqi He, Tram N. Huynh, Jennifer Inghrim, Harold Mastalerz, Xiaopeng Sang, Christine M. Tarby, Honghe Wan, Wayne Vaccaro, Guifen Zhang, Yufen Zhao, Kurt Zimmermann, Yong Zhang, Libing Chen, Bin Chen, John S. Tokarski, Ashvinikumar V. Gavai
  • Publication number: 20150065465
    Abstract: The invention provides compounds of Formula (I) and pharmaceutically acceptable salts thereof. The Formula (I) imidazotriazines inhibit protein kinase activity thereby making them useful as anticancer agents.
    Type: Application
    Filed: November 4, 2014
    Publication date: March 5, 2015
    Inventors: Ashok Vinayak Purandare, Brian E. Fink, Ashvinikumar V. Gavai, Walter Lewis Johnson, Amy C. Hart, Liqi He, Tram N. Huynh, Jennifer Inghrim, Harold Mastalerz, Xiaopeng Sang, Christine M. Tarby, Honghe Wan, Wayne Vaccaro, Guifen Zhang, Yufen Zhao, Kurt Zimmermann
  • Patent number: 8940736
    Abstract: The invention provides compounds of Formula (I) and pharmaceutically acceptable salts thereof. The Formula (I) imidazotriazines inhibit protein kinase activity thereby making them useful as anticancer agents.
    Type: Grant
    Filed: July 12, 2013
    Date of Patent: January 27, 2015
    Assignee: Bristol-Myers Squibb Company
    Inventors: Ashok Vinayak Purandare, Brian E. Fink, Ashvinikumar V. Gavai, Walter Lewis Johnson, Amy C. Hart, Liqi He, Tram N. Huynh, Jennifer Inghrim, Harold Mastalerz, Xiaopeng Sang, Christine M. Tarby, Honghe Wan, Wayne Vaccaro, Guifen Zhang, Yufen Zhao, Kurt Zimmermann
  • Publication number: 20140018319
    Abstract: The invention provides compounds of Formula (I) and pharmaceutically acceptable salts thereof. The Formula (I) imidazotriazines inhibit protein kinase activity thereby making them useful as anticancer agents.
    Type: Application
    Filed: July 12, 2013
    Publication date: January 16, 2014
    Inventors: Ashok Vinayak Purandare, Brian E. Fink, Ashvinikumar V. Gavai, Walter Lewis Johnson, Amy C. Hart, Liqi He, Tram N. Huynh, Jennifer Inghrim, Harold Mastalerz, Xiaopeng Sang, Christine M. Tarby, Honghe Wan, Wayne Vaccaro, Guifen Zhang, Yufen Zhao, Kurt Zimmermann
  • Patent number: 8592579
    Abstract: The invention provides compounds of formula I and pharmaceutically acceptable salts thereof. The formula I compounds inhibit tyrosine kinase activity thereby making them useful as anticancer agents and for the treatment of Alzheimer's Disease.
    Type: Grant
    Filed: August 7, 2012
    Date of Patent: November 26, 2013
    Assignee: Bristol-Myers Squibb Company
    Inventors: Mark D. Wittman, Harold Mastalerz, Kurt Zimmermann, Mark G. Saulnier, Upender Velaparthi, Dolatrai M. Vyas, Guifen Zhang, Walter Lewis Johnson, David B. Frennesson, Xiaopeng Sang, Peiying Liu, David R. Langley
  • Publication number: 20120302747
    Abstract: The invention provides compounds of formula I and pharmaceutically acceptable salts thereof. The formula I compounds inhibit tyrosine kinase activity thereby making them useful as anticancer agents and for the treatment of Alzheimer's Disease.
    Type: Application
    Filed: August 7, 2012
    Publication date: November 29, 2012
    Inventors: Mark D. Wittman, Harold Mastalerz, Kurt Zimmermann, Mark G. Saulnier, Upender Velaparthi, Dolatrai M. Vyas, Guifen Zhang, Walter Lewis Johnson, David B. Frennesson, Xiaopeng Sang, Peiying Liu, David R. Langley
  • Publication number: 20110124623
    Abstract: The invention provides compounds of formula I and pharmaceutically acceptable salts thereof. The formula I compounds inhibit tyrosine kinase activity thereby making them useful as anticancer agents and for the treatment of Alzheimer's Disease.
    Type: Application
    Filed: January 28, 2011
    Publication date: May 26, 2011
    Inventors: Mark D. Wittman, Harold Mastalerz, Kurt Zimmermann, Mark G. Saulnier, Upender Velaparthi, Dolatrai M. Vyas, Guifen Zhang, Walter Lewis Johnson, David B. Frennesson, Xiaopeng Sang, Peiying Liu, David R. Langley
  • Patent number: 7879855
    Abstract: The invention provides compounds of formula I and pharmaceutically acceptable salts thereof. The formula I compounds inhibit tyrosine kinase activity thereby making them useful as anticancer agents and for the treatment of Alzheimer's Disease.
    Type: Grant
    Filed: March 26, 2009
    Date of Patent: February 1, 2011
    Assignee: Bristol-Myers Squibb Company
    Inventors: Mark D. Wittman, Harold Mastalerz, Kurt Zimmermann, Mark G. Saulnier, Upender Velaparthi, Dolatrai M. Vyas, Guifen Zhang, Walter Lewis Johnson, David B. Frennesson, Xiaopeng Sang, Peiying Liu, David R. Langley
  • Publication number: 20090239838
    Abstract: The invention provides compounds of formula I and pharmaceutically acceptable salts thereof. The formula I compounds inhibit tyrosine kinase activity thereby making them useful as anticancer agents and for the treatment of Alzheimer's Disease.
    Type: Application
    Filed: March 26, 2009
    Publication date: September 24, 2009
    Inventors: Mark D. Wittman, Harold Mastalerz, Kurt Zimmermann, Mark G. Saulnier, Upender Velaparthi, Dolatrai M. Vyas, Guifen Zhang, Walter Lewis Johnson, David B. Frennesson, Xiaopeng Sang, Peiying Liu, David R. Langley
  • Patent number: 7534792
    Abstract: The invention provides compounds of formula I and pharmaceutically acceptable salts thereof. The formula I compounds inhibit tyrosine kinase activity thereby making them useful as anticancer agents and for the treatment of Alzheimer's Disease.
    Type: Grant
    Filed: July 5, 2007
    Date of Patent: May 19, 2009
    Assignee: Bristol-Myers Squibb Company
    Inventors: Mark D. Wittman, Harold Mastalerz, Kurt Zimmermann, Mark G. Saulnier, Upender Velaparthi, Dolatrai M. Vyas, Guifen Zhang, Walter Lewis Johnson, David B. Frennesson, Xiaopeng Sang, Peiying Liu, David R. Langley