Patents by Inventor Xizhen Zhu

Xizhen Zhu 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: 8344009
    Abstract: The present invention relates to compounds of Formula (I), methods for preparing these compounds, compositions, intermediates and derivatives thereof and for treating a condition including but not limited to ankylosing spondylitis, artherosclerosis, arthritis (such as rheumatoid arthritis, infectious arthritis, childhood arthritis, psoriatic arthritis, reactive arthritis), bone-related diseases (including those related to bone formation), breast cancer (including those unresponsive to anti-estrogen therapy), cardiovascular disorders, cartilage-related disease (such as cartilage injury/loss, cartilage degeneration, and those related to cartilage formation), chondrodysplasia, chondrosarcoma, chronic back injury, chronic bronchitis, chronic inflammatory airway disease, chronic obstructive pulmonary disease, diabetes, disorders of energy homeostasis, gout, pseudogout, lipid disorders, metabolic syndrome, multiple myeloma, obesity, osteoarthritis, osteogenesis imperfecta, osteolytic bone metastasis, osteomalac
    Type: Grant
    Filed: October 7, 2010
    Date of Patent: January 1, 2013
    Assignee: Janssen Pharmaceutica, NV
    Inventors: Michael Gaul, Alexander Kim, Lily Lee Searle, Raymond Patch, Dionisois Rentzeperis, Guozhang Xu, Xizhen Zhu
  • Publication number: 20110237625
    Abstract: The present invention relates to compounds of Formula (I), methods for preparing these compounds, compositions, intermediates and derivatives thereof and for treating a condition including but not limited to ankylosing spondylitis, artherosclerosis, arthritis (such as rheumatoid arthritis, infectious arthritis, childhood arthritis, psoriatic arthritis, reactive arthritis), bone-related diseases (including those related to bone formation), breast cancer (including those unresponsive to anti-estrogen therapy), cardiovascular disorders, cartilage-related disease (such as cartilage injury/loss, cartilage degeneration, and those related to cartilage formation), chondrodysplasia, chondrosarcoma, chronic back injury, chronic bronchitis, chronic inflammatory airway disease, chronic obstructive pulmonary disease, diabetes, disorders of energy homeostasis, gout, pseudogout, lipid disorders, metabolic syndrome, multiple myeloma, obesity, osteoarthritis, osteogenesis imperfecta, osteolytic bone metastasis, osteomalac
    Type: Application
    Filed: October 7, 2010
    Publication date: September 29, 2011
    Applicant: Janssen Pharamceutica N.V.
    Inventors: Michael Gaul, Alexander Kim, Lily Lee Searle, Raymond J. Patch, Dionisios Rentzeperis, Guozhang Xu, Xizhen Zhu
  • Patent number: 8022209
    Abstract: The present invention relates to substituted nitrogen-containing heteroaryl derivatives, pharmaceutical compositions containing them, and methods of using any of these derivatives and compositions for H4 receptor activity modulation and the treatment of states mediated by histamine H4 receptor activity.
    Type: Grant
    Filed: September 11, 2008
    Date of Patent: September 20, 2011
    Assignee: Janssen Pharmaceutica NV
    Inventors: Michael D. Gaul, Bao-Ping Zhao, Xizhen Zhu
  • Patent number: 7846953
    Abstract: The present invention relates to compounds of Formula (I), methods for preparing these compounds, compositions, intermediates and derivatives thereof and for treating a condition including but not limited to ankylosing spondylitis, artherosclerosis, arthritis (such as rheumatoid arthritis, infectious arthritis, childhood arthritis, psoriatic arthritis, reactive arthritis), bone-related diseases (including those related to bone formation), breast cancer (including those unresponsive to anti-estrogen therapy), cardiovascular disorders, cartilage-related disease (such as cartilage injury/loss, cartilage degeneration, and those related to cartilage formation), chondrodysplasia, chondrosarcoma, chronic back injury, chronic bronchitis, chronic inflammatory airway disease, chronic obstructive pulmonary disease, diabetes, disorders of energy homeostasis, gout, pseudogout, lipid disorders, metabolic syndrome, multiple myeloma, obesity, osteoarthritis, osteogenesis imperfecta, osteolytic bone metastasis, osteomalac
    Type: Grant
    Filed: March 6, 2008
    Date of Patent: December 7, 2010
    Assignee: Janssen Pharmaceutica, NV
    Inventors: Michael Gaul, Alexander Kim, Lily Lee Searle, Raymond Patch, Dionisois Rentzeperis, Guozhang Xu, Xizhen Zhu
  • Patent number: 7829584
    Abstract: The present invention describes compounds of Formula I: wherein W, X, Y, Z, and Q are defined herein, or a pharmaceutically acceptable salt thereof, for the prophylaxis, or treatment of diseases and conditions related to thrombin activity in a mammal.
    Type: Grant
    Filed: March 13, 2007
    Date of Patent: November 9, 2010
    Assignee: Janssen Pharmaceutica NV
    Inventors: Mark R. Player, Tianbao Lu, Huaping Hu, Xizhen Zhu, Christopher Teleha, Kevin Kreutter
  • Publication number: 20100274052
    Abstract: According to a first aspect of the invention, a process is disclosed for the preparation of radiolabelled haloaromatic compounds. According to a second aspect of the invention, intermediate precursor insoluble polymer compounds used in the preparation of the radiolabelled haloaromatics are disclosed, as well as processes for the preparation of the intermediate precursor insoluble polymer compounds.
    Type: Application
    Filed: February 8, 2010
    Publication date: October 28, 2010
    Inventors: Duncan H. Hunter, Xizhen Zhu
  • Patent number: 7658910
    Abstract: According to a first aspect of the invention, a process is disclosed for the preparation of radiolabelled haloaromatic compounds. According to a second aspect of the invention, intermediate precursor insoluble polymer compounds used in the preparation of the radiolabelled haloaromatics are disclosed, as well as processes for the preparation of the intermediate precursor insoluble polymer compounds.
    Type: Grant
    Filed: September 5, 2007
    Date of Patent: February 9, 2010
    Assignee: The University of Western Ontario
    Inventors: Duncan H. Hunter, Xizhen Zhu
  • Publication number: 20090111855
    Abstract: The present invention relates to compounds of Formula (I), methods for preparing these compounds, compositions, intermediates and derivatives thereof and for treating a condition including but not limited to ankylosing spondylitis, artherosclerosis, arthritis (such as rheumatoid arthritis, infectious arthritis, childhood arthritis, psoriatic arthritis, reactive arthritis), bone-related diseases (including those related to bone formation), breast cancer (including those unresponsive to anti-estrogen therapy), cardiovascular disorders, cartilage-related disease (such as cartilage injury/loss, cartilage degeneration, and those related to cartilage formation), chondrodysplasia, chondrosarcoma, chronic back injury, chronic bronchitis, chronic inflammatory airway disease, chronic obstructive pulmonary disease, diabetes, disorders of energy homeostasis, gout, pseudogout, lipid disorders, metabolic syndrome, multiple myeloma, obesity, osteoarthritis, osteogenesis imperfecta, osteolytic bone metastasis, osteomalac
    Type: Application
    Filed: March 6, 2008
    Publication date: April 30, 2009
    Inventors: Michael Gaul, Alexander Kim, Lily Lee Searle, Raymond J. Patch, Dionisios Rentzeperis, Guozhang Xu, Xizhen Zhu
  • Publication number: 20090069305
    Abstract: The present invention relates to substituted nitrogen-containing heteroaryl derivatives, pharmaceutical compositions containing them, and methods of using any of these derivatives and compositions for H4 receptor activity modulation and the treatment of states mediated by histamine H4 receptor activity.
    Type: Application
    Filed: September 11, 2008
    Publication date: March 12, 2009
    Inventors: Michael D. Gaul, Bao-Ping Zhao, Xizhen Zhu
  • Publication number: 20080085984
    Abstract: According to a first aspect of the invention, a process is disclosed for the preparation of radiolabelled haloaromatic compounds. According to a second aspect of the invention, intermediate precursor insoluble polymer compounds used in the preparation of the radiolabelled haloaromatics are disclosed, as well as processes for the preparation of the intermediate precursor insoluble polymer compounds.
    Type: Application
    Filed: September 5, 2007
    Publication date: April 10, 2008
    Inventors: Duncan Hunter, Xizhen Zhu
  • Publication number: 20070225282
    Abstract: The present invention describes compounds of Formula I: wherein W, X, Y, Z, and Q are defined herein, or a pharmaceutically acceptable salt thereof, for the prophylaxis, or treatment of diseases and conditions related to thrombin activity in a mammal.
    Type: Application
    Filed: March 13, 2007
    Publication date: September 27, 2007
    Inventors: Mark Player, Tianbao Lu, Huaping Hu, Xizhen Zhu, Christopher Teleha, Kevin Kreutter
  • Patent number: 7273601
    Abstract: According to a first aspect of the invention, a process is disclosed for the preparation of radiolabelled haloaromatic compounds. According to a second aspect of the invention, intermediate precursor insoluble polymer compounds used in the preparation of the radiolabelled haloaromatics are disclosed, as well as processes for the preparation of the intermediate precursor insoluble polymer compounds.
    Type: Grant
    Filed: August 20, 2002
    Date of Patent: September 25, 2007
    Assignee: The University of Western Ontario
    Inventors: Duncan H. Hunter, Xizhen Zhu
  • Patent number: 7262210
    Abstract: The present invention describes compounds of Formula I or a pharmaceutically acceptable salt thereof, for the prophylaxis, or treatment of diseases and conditions related to thrombin activity in a mammal. The present invention also relates to a novel method of N-oxidation of nitrogen containing heteroaryls.
    Type: Grant
    Filed: March 21, 2006
    Date of Patent: August 28, 2007
    Assignee: Janssen Pharmaceutica N.V.
    Inventors: Kevin Kreutter, Tianbao Lu, Yu Kai Lee, Christopher Teleha, Mark Player, Xizhen Zhu
  • Publication number: 20060241148
    Abstract: The present invention describes compounds of Formula I or a pharmaceutically acceptable salt thereof, for the prophylaxis, or treatment of diseases and conditions related to thrombin activity in a mammal. The present invention also relates to a novel method of N-oxidation of nitrogen containing heteroaryls.
    Type: Application
    Filed: March 21, 2006
    Publication date: October 26, 2006
    Inventors: Kevin Kreutter, Tianbao Lu, Yu Lee, Christopher Teleha, Mark Player, Xizhen Zhu
  • Publication number: 20030012730
    Abstract: According to a first aspect of the invention, a process is disclosed for the preparation of radiolabelled haloaromatic compounds. According to a second aspect of the invention, intermediate precursor insoluble polymer compounds used in the preparation of the radiolabelled haloaromatics are disclosed, as well as processes for the preparation of the intermediate precursor insoluble polymer compounds.
    Type: Application
    Filed: August 20, 2002
    Publication date: January 16, 2003
    Inventors: Duncan H. Hunter, Xizhen Zhu
  • Patent number: 6461585
    Abstract: According to a first aspect of the invention, a process is disclosed for the preparation of radiolabelled haloaromatic compounds. According to a second aspect of the invention, intermediate precursor insoluble polymer compounds used in the preparation of the radiolabelled haloaromatic are disclosed, as well as processes for the preparation of the intermediate precursor insoluble polymer compounds.
    Type: Grant
    Filed: July 18, 2000
    Date of Patent: October 8, 2002
    Assignee: The University of Western Ontario
    Inventors: Duncan H. Hunter, Xizhen Zhu