Patents by Inventor Tong-Shuang Li
Tong-Shuang Li 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: 9701693Abstract: The invention provides compounds for selectively inhibiting glycosidases, prodrugs of the compounds, and pharmaceutical compositions including the compounds or prodrugs of the compounds. The invention also provides methods of treating diseases and disorders related to deficiency or overexpression of O-GlcNAcase, accumulation or deficiency of O-GlcNAc.Type: GrantFiled: June 27, 2012Date of Patent: July 11, 2017Assignees: Alectos Therapeutics Inc., Merck Sharp & Dohme Corp.Inventors: Tong-Shuang Li, Ernest J. Mceachern, David J. Vocadlo, Yuanxi Zhou, Yongbao Zhu, Harold G. Selnick
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Patent number: 9409924Abstract: The invention provides compounds with enhanced permeability for selectively inhibiting glycosidases, prodrugs of the compounds, and pharmaceutical compositions including the compounds or prodrugs of the compounds. The invention also provides methods of treating diseases and disorders related to deficiency or overexpression of O-GlcNAcase, accumulation or deficiency of O-GlcNAc.Type: GrantFiled: June 27, 2012Date of Patent: August 9, 2016Assignees: Alectos Therapeutics Inc., Merck Sharp & Dohme Corp.Inventors: Tong-Shuang Li, Ernest McEachern, David Vocadlo, Yuanxi Zhou, Yongbao Zhu, Harold Selnick
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Patent number: 9199949Abstract: The invention provides compounds for selectively inhibiting glycosidases, prodrugs of the compounds, and pharmaceutical compositions including the compounds or prodrugs of the compounds. The invention also provides methods of treating diseases and disorders related to deficiency or overexpression of O-GlcNAcase, accumulation or deficiency of O-GlcNAc.Type: GrantFiled: June 27, 2012Date of Patent: December 1, 2015Assignees: Alectos Therapeutics Inc., Merck Sharp & Dohme Corp.Inventors: Tong-Shuang Li, Ernest J. McEachern, David J. Vocadlo, Yuanxi Zhou, Harold G. Selnick
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Patent number: 9120781Abstract: The invention provides compounds of Formula (I) for selectively inhibiting glycosidases, prodrugs of the compounds, and pharmaceutical compositions including the compounds or prodrugs of the compounds. The invention also provides methods of treating diseases and disorders related to deficiency or overexpression of O-GlcNAcase, accumulation or deficiency of O-GlcNAc.Type: GrantFiled: May 10, 2011Date of Patent: September 1, 2015Assignees: Simon Fraser University, Merck Sharp & Dohme Corp., Alectos Therapeutics Inc.Inventors: Tong-Shuang Li, Ernest J. Mceachern, David J. Vocadlo, Yuanxi Zhou, Yongbao Zhu, Kun Liu, Harold G. Selnick
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Patent number: 8962664Abstract: The invention provides compounds of formula (I) for selectively inhibiting glycosidases, prodrugs of the compounds, and pharmaceutical compositions including the compounds or prodrugs of the compounds. The invention also provides methods of treating diseases and disorders related to deficiency or overexpression of O-GlcNAcase, accumulation or deficiency of O-GlcNAc.Type: GrantFiled: August 22, 2012Date of Patent: February 24, 2015Assignee: Simon Fraser UniversityInventors: David Vocadlo, Ernest McEachern, Keith Stubbs, Tong-Shuang Li, Garrett Whitworth, Julia Heinonen, Matthew Macauley
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Publication number: 20150045346Abstract: The invention provides compounds for selectively inhibiting glycosidases, prodrugs of the compounds, and pharmaceutical compositions including the compounds or prodrugs of the compounds. The invention also provides methods of treating diseases and disorders related to deficiency or overexpression of O-GlcNAcase, accumulation or deficiency of O-GlcNAc.Type: ApplicationFiled: June 27, 2012Publication date: February 12, 2015Applicants: MERCK SHARP & DOHME CORP., ALECTOS THERAPEUTICS INC.Inventors: Tong-Shuang Li, Ernest J. McEachern, David J. Vocadlo, Yuanxi Zhou, Harold G. Selnick
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Publication number: 20140296205Abstract: The invention provides compounds with enhanced permeability for selectively inhibiting glycosidases, prodrugs of the compounds, and pharmaceutical compositions including the compounds or prodrugs of the compounds. The invention also provides methods of treating diseases and disorders related to deficiency or overexpression of O-GlcNAcase, accumulation or deficiency of O-GlcNAc.Type: ApplicationFiled: June 27, 2012Publication date: October 2, 2014Applicants: MERCK SHARP & DOHME CORP., ALECTOS THERAPEUTICS INC.Inventors: Tong-Shuang Li, Ernest J. Mceachern, David J. Vocadlo, Yuanxi Zhou, Yongbao Zhu, Harold G. Selnick
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Publication number: 20140275022Abstract: The invention provides compounds for selectively inhibiting glycosidases, prodrugs of the compounds, and pharmaceutical compositions including the compounds or prodrugs of the compounds. The invention also provides methods of treating diseases and disorders related to deficiency or overexpression of O-GlcNAcase, accumulation or deficiency of O-GlcNAc.Type: ApplicationFiled: June 27, 2012Publication date: September 18, 2014Applicants: MERCK SHARP & DOHME CORP., ALECTOS THERAPEUTICS INC.Inventors: Tong-Shuang Li, Ernest J. Mceachern, David J. Vocadlo, Yuanxi Zhou, Yongbao Zhu, Harold G. Selnick
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Publication number: 20130131044Abstract: The invention provides compounds of Formula (I) for selectively inhibiting glycosidases, prodrugs of the compounds, and pharmaceutical compositions including the compounds or prodrugs of the compounds. The invention also provides methods of treating diseases and disorders related to deficiency or overexpression of O-GlcNAcase, accumulation or deficiency of O-GlcNAc.Type: ApplicationFiled: May 10, 2011Publication date: May 23, 2013Inventors: Tong-Shuang Li, Ernest J. Mceachern, David J. Vocadlo, Yuanxi Zhou, Yongbao Zhu
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Patent number: 8334310Abstract: The invention provides compounds of formula (I) for selectively inhibiting glycosidases, prodrugs of the compounds, and pharmaceutical compositions including the compounds or prodrugs of the compounds The invention also provides methods of treating diseases and disorders related to deficiency or overexpression of O-GlcNAcase, accumulation or deficiency of O-GlcNAcType: GrantFiled: August 31, 2007Date of Patent: December 18, 2012Assignee: Simon Fraser UniversityInventors: David Vocadlo, Ernest McEachern, Keith Stubbs, Tong-Shuang Li, Garrett Whitworth, Julia Heinonen, Matthew Macauley
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Publication number: 20120316207Abstract: The invention provides compounds of formula (I) for selectively inhibiting glycosidases, prodrugs of the compounds, and pharmaceutical compositions including the compounds or prodrugs of the compounds. The invention also provides methods of treating diseases and disorders related to deficiency or overexpression of O-GlcNAcase, accumulation or deficiency of O-GlcNAc.Type: ApplicationFiled: August 22, 2012Publication date: December 13, 2012Applicant: Simon Fraser UniversityInventors: David Vocadlo, Ernest McEachern, Keith Stubbs, Tong-Shuang Li, Garrett Whitworth, Julia Heinonen, Matthew Macauley
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Publication number: 20100298366Abstract: The present invention relates to chemokine receptor binding compounds, pharmaceutical compositions and their use. More specifically, the present invention relates to modulators of chemokine receptor activity, preferably modulators of CCR5. These compounds demonstrate protective effects against infection of target cells by a human immunodeficiency virus (HIV).Type: ApplicationFiled: August 5, 2010Publication date: November 25, 2010Applicant: Genzyme CorporationInventors: Yuanxi ZHOU, Elyse Bourque, Yongbao Zhu, Jonathan Langille, Markus Metz, Wen Yang, Ernest J. Mceachern, Curtis Harwig, Ian R. Baird, Tong-Shuang Li, Renato T. Skerlj
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Patent number: 7790747Abstract: The present invention relates to chemokine receptor binding compounds, pharmaceutical compositions and their use. More specifically, the present invention relates to modulators of chemokine receptor activity, preferably modulators of CCR5. These compounds demonstrate protective effects against infection of target cells by a human immunodeficiency virus (HIV).Type: GrantFiled: June 14, 2006Date of Patent: September 7, 2010Assignee: Genzyme CorporationInventors: Yuanxi Zhou, Elyse Bourque, Yongbao Zhu, Jonathan Langille, Markus Metz, Wen Yang, Ernest J. McEachern, Curtis Harwig, Ian R. Baird, Tong-Shuang Li, Renato T. Skerlj
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Publication number: 20100016386Abstract: The invention provides compounds of formula (I) for selectively inhibiting glycosidases, prodrugs of the compounds, and pharmaceutical compositions including the compounds or prodrugs of the compounds The invention also provides methods of treating diseases and disorders related to deficiency or overexpression of O-GlcNAcase, accumulation or deficiency of O-GlcNAcType: ApplicationFiled: August 31, 2007Publication date: January 21, 2010Inventors: David Vocadlo, Ernest McFachern, Keith Stubbs, Tong-Shuang Li, Garrett Whitworth, Julia Heinonen, Matthew Macauley
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Publication number: 20090099205Abstract: The present invention relates to chemokine receptor binding compounds, pharmaceutical compositions and their use. More specifically, the present invention relates to modulators of chemokine receptor activity, preferably modulators of CCR5. These compounds demonstrate protective effects against infection of target cells by a human immunodeficiency virus (HIV).Type: ApplicationFiled: June 14, 2006Publication date: April 16, 2009Inventors: Yuanxi Zhou, Elyse Bourque, Yongbao Zhu, Jonathan Langille, Markus Metz, Wen Yang, Ernest J. McEachern, Curtis Harwig, Ian R. Baird, Tong-Shuang Li, Renato T. Skerlj
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Patent number: 7498346Abstract: The present invention relates to chemokine receptor binding compounds, pharmaceutical compositions and their use. More specifically, the present invention relates to modulators of chemokine receptor activity, preferably modulators of CCR5. These compounds demonstrate protective effects against infection of target cells by a human immunodeficiency virus (HIV).Type: GrantFiled: June 14, 2005Date of Patent: March 3, 2009Assignee: Genzyme CorporationInventors: Yuanxi Zhou, Gary J. Bridger, Renato T. Skerlj, David Bogucki, Wen Yang, Elyse Bourque, Jonathan Langille, Tong-Shuang Li, Markus Metz
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Patent number: 7491735Abstract: The present invention relates to chemokine receptor binding compounds, pharmaceutical compositions and their use. More specifically, the present invention relates to modulators of chemokine receptor activity, preferably modulators of CCR5. These compounds demonstrate protective effects against infection of target cells by a human immunodeficiency virus (HIV).Type: GrantFiled: December 13, 2004Date of Patent: February 17, 2009Assignee: Genzyme CorporationInventors: Yuanxi Zhou, Gary J. Bridger, Renato T. Skerlj, David Bogucki, Wen Yang, Elyse Bourque, Jonathan Langille, Tong-Shuang Li, Markus Metz, Maria R. Di Fluri, Siqiao Nan
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Publication number: 20070066624Abstract: The present invention relates to chemokine receptor binding compounds, pharmaceutical compositions and their use. More specifically, the present invention relates to modulators of chemokine receptor activity, preferably modulators of CCR4 or CCR5. In one aspect, these compounds demonstrate protective effects against infection of target cells by a human immunodeficiency virus (HIV).Type: ApplicationFiled: August 16, 2006Publication date: March 22, 2007Applicant: AnorMED, Inc.Inventors: Yuanxi Zhou, Elyse Bourque, Yongbao Zhu, Ernest McEachern, Curtis Harwig, Renato Skerlj, Gary Bridger, Tong-Shuang Li, Markus Metz
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Publication number: 20050277670Abstract: The present invention relates to chemokine receptor binding compounds, pharmaceutical compositions and their use. More specifically, the present invention relates to modulators of chemokine receptor activity, preferably modulators of CCR5. These compounds demonstrate protective effects against infection of target cells by a human immunodeficiency virus (HIV).Type: ApplicationFiled: December 13, 2004Publication date: December 15, 2005Inventors: Yuanxi Zhou, Gary Bridger, Renato Skerlj, David Bogucki, Wen Yang, Elyse Bourque, Jonathan Langille, Tong-Shuang Li, Markus Metz, Maria Di Fluri, Siqiao Nan
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Publication number: 20050277668Abstract: The present invention relates to chemokine receptor binding compounds, pharmaceutical compositions and their use. More specifically, the present invention relates to modulators of chemokine receptor activity, preferably modulators of CCR5. These compounds demonstrate protective effects against infection of target cells by a human immunodeficiency virus (HIV).Type: ApplicationFiled: June 14, 2005Publication date: December 15, 2005Inventors: Yuanxi Zhou, Gary Bridger, Renato Skerlj, David Bogucki, Wen Yang, Elyse Bourque, Jonathan Langille, Tong-Shuang Li, Markus Metz