Patents by Inventor Chi-Li Chen
Chi-Li Chen 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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Publication number: 20260055070Abstract: The invention relates to crystalline forms of the bis-HCl salt of a compound represented by Structural Formula 1, and pharmaceutical compositions comprising crystalline forms of the bis-HCL salt of a compound represented by Structural Formula 1 described herein. The crystalline forms of the bis-HCl salt of a compound of Structural Formula 1 and compositions comprising the crystalline forms of the compound of Structural Formula 1 provided herein, in particular, crystalline Form I, crystalline Form J, crystalline Form A, and crystalline Form B, or mixtures thereof, can be incorporated into pharmaceutical compositions, which can be used to treat various disorders. Also described herein are methods for preparing the crystalline forms (e.g., Forms I, J, B and A) of the bis-HCl salt of a compound represented by Structural Formula 1.Type: ApplicationFiled: March 10, 2025Publication date: February 26, 2026Inventors: Danny Lafrance, Philip C. Hogan, Yansheng Liu, Minsheng He, Chi-Li Chen, John Niu
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Publication number: 20260015362Abstract: This invention provides Degronimers that have E3 Ubiquitin Ligase targeting moieties (Degrons) that can be linked to a targeting ligand for a protein that has been selected for in vivo degradation, and methods of use and compositions thereof as well as methods for their preparation. The invention also provides Degrons that can be used to treat disorders mediated by cereblon or an Ikaros family protein, and methods of use and compositions thereof as well as methods for their preparation.Type: ApplicationFiled: September 22, 2025Publication date: January 15, 2026Applicant: C4 THERAPEUTICS, INC.Inventors: Andrew J. Phillips, Christopher G. Nasveschuk, James A. Henderson, Yanke Liang, Minsheng He, Martin Duplessis, Chi-Li Chen
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Patent number: 12441740Abstract: This invention provides Degronimers that have E3 Ubiquitin Ligase targeting moieties (Degrons) that can be linked to a targeting ligand for a protein that has been selected for in vivo degradation, and methods of use and compositions thereof as well as methods for their preparation. The invention also provides Degrons that can be used to treat disorders mediated by cereblon or an Ikaros family protein, and methods of use and compositions thereof as well as methods for their preparation.Type: GrantFiled: December 9, 2024Date of Patent: October 14, 2025Assignee: C4 THERAPEUTICS, INC.Inventors: Andrew J. Phillips, Christopher G. Nasveschuk, James A. Henderson, Yanke Liang, Minsheng He, Martin Duplessis, Chi-Li Chen
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Publication number: 20250127903Abstract: This invention provides amine-linked C3-glutarimide Degronimers and Degrons for therapeutic applications as described further herein, and methods of use and compositions thereof as well as methods for their preparation.Type: ApplicationFiled: July 16, 2024Publication date: April 24, 2025Applicant: C4 THERAPEUTICS, INC.Inventors: Andrew J. Phillips, Christopher G. Nasveschuk, James A. Henderson, Yanke Liang, Chi-Li Chen, Martin Duplessis, Minsheng He, Kiel Lazarski
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Patent number: 12269807Abstract: The invention relates to crystalline forms of the bis-HCl salt of a compound represented by Structural Formula 1, and pharmaceutical compositions comprising crystalline forms of the bis-HCL salt of a compound represented by Structural Formula 1 described herein. The crystalline forms of the bis-HCl salt of a compound of Structural Formula 1 and compositions comprising the crystalline forms of the compound of Structural Formula 1 provided herein, in particular, crystalline Form I, crystalline Form J, crystalline Form A, and crystalline Form B, or mixtures thereof, can be incorporated into pharmaceutical compositions, which can be used to treat various disorders. Also described herein are methods for preparing the crystalline forms (e.g., Forms I, J, B and A) of the bis-HCl salt of a compound represented by Structural Formula 1.Type: GrantFiled: January 5, 2023Date of Patent: April 8, 2025Assignee: Tetraphase Pharmaceuticals, Inc.Inventors: Danny LaFrance, Philip C. Hogan, Yansheng Liu, Minsheng He, Chi-Li Chen, John Niu
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Publication number: 20250101037Abstract: This invention provides Degronimers that have E3 Ubiquitin Ligase targeting moieties (Degrons) that can be linked to a targeting ligand for a protein that has been selected for in vivo degradation, and methods of use and compositions thereof as well as methods for their preparation. The invention also provides Degrons that can be used to treat disorders mediated by cereblon or an Ikaros family protein, and methods of use and compositions thereof as well as methods for their preparation.Type: ApplicationFiled: December 9, 2024Publication date: March 27, 2025Applicant: C4 THERAPEUTICS, INC.Inventors: Andrew J. Phillips, Christopher G. Nasveschuk, James A. Henderson, Yanke Liang, Minsheng He, Martin Duplessis, Chi-Li Chen
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Patent number: 12180225Abstract: This invention provides Degronimers that have E3 Ubiquitin Ligase targeting moieties (Degrons) that can be linked to a targeting ligand for a protein that has been selected for in vivo degradation, and methods of use and compositions thereof as well as methods for their preparation. The invention also provides Degrons that can be used to treat disorders mediated by cereblon or an Ikaros family protein, and methods of use and compositions thereof as well as methods for their preparation.Type: GrantFiled: October 3, 2022Date of Patent: December 31, 2024Assignee: C4 Therapeutics, Inc.Inventors: Andrew J. Phillips, Christopher G. Nasveschuk, James A. Henderson, Yanke Liang, Minsheng He, Martin Duplessis, Chi-Li Chen
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Patent number: 12048747Abstract: This invention provides amine-linked C3-glutarimide Degronimers for therapeutic applications as described further herein, and methods of use and compositions thereof as well as methods for their preparation, wherein the C3-glutarimide Degronimers have the formula:Type: GrantFiled: December 14, 2020Date of Patent: July 30, 2024Assignee: C4 Therapeutics, Inc.Inventors: Andrew J. Phillips, Christopher G. Nasveschuk, James A. Henderson, Yanke Liang, Chi-Li Chen, Martin Duplessis, Minsheng He, Kiel Lazarski
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Publication number: 20230416212Abstract: The invention relates to crystalline forms of the bis-HCl salt of a compound represented by Structural Formula 1, and pharmaceutical compositions comprising crystalline forms of the bis-HCL salt of a compound represented by Structural Formula 1 described herein. The crystalline forms of the bis-HCl salt of a compound of Structural Formula 1 and compositions comprising the crystalline forms of the compound of Structural Formula 1 provided herein, in particular, crystalline Form I, crystalline Form J, crystalline Form A, and crystalline Form B, or mixtures thereof, can be incorporated into pharmaceutical compositions, which can be used to treat various disorders. Also described herein are methods for preparing the crystalline forms (e.g., Forms I, J, B and A) of the bis-HCl salt of a compound represented by Structural Formula 1.Type: ApplicationFiled: January 5, 2023Publication date: December 28, 2023Inventors: Danny Lafrance, Philip C. Hogan, Yansheng Liu, Minsheng He, Chi-Li Chen, John Niu
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Publication number: 20230279023Abstract: This invention provides Degronimers that have E3 Ubiquitin Ligase targeting moieties (Degrons) that can be linked to a targeting ligand for a protein that has been selected for in vivo degradation, and methods of use and compositions thereof as well as methods for their preparation. The invention also provides Degrons that can be used to treat disorders mediated by cereblon or an Ikaros family protein, and methods of use and compositions thereof as well as methods for their preparation.Type: ApplicationFiled: October 3, 2022Publication date: September 7, 2023Applicant: C4 Therapeutics, Inc.Inventors: Andrew J. Phillips, Christopher G. Nasveschuk, James A. Henderson, Yanke Liang, Minsheng He, Martin Duplessis, Chi-Li Chen
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Patent number: 11578044Abstract: The invention relates to crystalline forms of the bis-HCl salt of a compound represented by Structural Formula 1, and pharmaceutical compositions comprising crystalline forms of the bis-HCL salt of a compound represented by Structural Formula 1 described herein. The crystalline forms of the bis-HCl salt of a compound of Structural Formula 1 and compositions comprising the crystalline forms of the compound of Structural Formula 1 provided herein, in particular, crystalline Form I, crystalline Form J, crystalline Form A, and crystalline Form B, or mixtures thereof, can be incorporated into pharmaceutical compositions, which can be used to treat various disorders. Also described herein are methods for preparing the crystalline forms (e.g., Forms I, J, B and A) of the bis-HCl salt of a compound represented by Structural Formula 1.Type: GrantFiled: March 1, 2021Date of Patent: February 14, 2023Assignee: Tetraphase Pharmaceuticals, Inc.Inventors: Danny LaFrance, Philip C. Hogan, Yansheng Liu, Minsheng He, Chi-Li Chen, John Niu
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Publication number: 20220313827Abstract: This invention provides amine-linked C3-glutarimide Degronimers and Degrons for therapeutic applications as described further herein, and methods of use and compositions thereof as well as methods for their preparation.Type: ApplicationFiled: December 14, 2020Publication date: October 6, 2022Applicant: C4 Therapeutics, Inc.Inventors: Andrew J. Phillips, Chris G. Nasveschuk, James A. Henderson, Yanke Liang, Chi-li Chen, Martin Duplessis, Minsheng He, Kiel Lazarski
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Patent number: 11459335Abstract: This invention provides Degronimers that have E3 Ubiquitin Ligase targeting moieties (Degrons) that can be linked to a targeting ligand for a protein that has been selected for in vivo degradation, and methods of use and compositions thereof as well as methods for their preparation. The invention also provides Degrons that can be used to treat disorders mediated by cereblon or an Ikaros family protein, and methods of use and compositions thereof as well as methods for their preparation.Type: GrantFiled: December 19, 2019Date of Patent: October 4, 2022Assignee: C4 Therapeutics, Inc.Inventors: Andrew J. Phillips, Christopher G. Nasveschuk, James A. Henderson, Yanke Liang, Minsheng He, Martin Duplessis, Chi-Li Chen
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Publication number: 20210363103Abstract: The invention relates to crystalline forms of the bis-HCl salt of a compound represented by Structural Formula 1, and pharmaceutical compositions comprising crystalline forms of the bis-HCL salt of a compound represented by Structural Formula 1 described herein. The crystalline forms of the bis-HCl salt of a compound of Structural Formula 1 and compositions comprising the crystalline forms of the compound of Structural Formula 1 provided herein, in particular, crystalline Form I, crystalline Form J, crystalline Form A, and crystalline Form B, or mixtures thereof, can be incorporated into pharmaceutical compositions, which can be used to treat various disorders. Also described herein are methods for preparing the crystalline forms (e.g., Forms I, J, B and A) of the bis-HCl salt of a compound represented by Structural Formula 1.Type: ApplicationFiled: March 1, 2021Publication date: November 25, 2021Inventors: Danny Lafrance, Philip C. Hogan, Yansheng Liu, Minsheng He, Chi-Li Chen, John Niu
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Patent number: 10961190Abstract: The invention relates to crystalline forms of the bis-HCI salt of a compound represented by Structural Formula 1, and pharmaceutical compositions comprising crystalline forms of the bis-HCL salt of a compound represented by Structural Formula 1 described herein. The crystalline forms of the bis-HCl salt of a compound of Structural Formula 1 and compositions comprising the crystalline forms of the compound of Structural Formula 1 provided herein, in particular, crystalline Form I, crystalline Form J, crystalline Form A, and crystalline Form B, or mixtures thereof, can be incorporated into pharmaceutical compositions, which can be used to treat various disorders. Also described herein are methods for preparing the crystalline forms (e.g., Forms I, J, B and A) of the bis-HCI salt of a compound represented by Structural Formula 1.Type: GrantFiled: October 19, 2017Date of Patent: March 30, 2021Assignee: Tetraphase Pharmaceuticals, Inc.Inventors: Danny LaFrance, Philip C. Hogan, Yansheng Liu, Minsheng He, Chi-Li Chen, John Niu
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Publication number: 20200140456Abstract: This invention provides Degronimers that have E3 Ubiquitin Ligase targeting moieties (Degrons) that can be linked to a targeting ligand for a protein that has been selected for in vivo degradation, and methods of use and compositions thereof as well as methods for their preparation. The invention also provides Degrons that can be used to treat disorders mediated by cereblon or an Ikaros family protein, and methods of use and compositions thereof as well as methods for their preparation.Type: ApplicationFiled: December 19, 2019Publication date: May 7, 2020Applicant: C4 Therapeutics, Inc.Inventors: Andrew J. Phillips, Christopher G. Nasveschuk, James A. Henderson, Yanke Liang, Minsheng He, Martin Duplessis, Chi-Li Chen
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Publication number: 20190256462Abstract: The invention relates to crystalline forms of the bis-HCI salt of a compound represented by Structural Formula 1, and pharmaceutical compositions comprising crystalline forms of the bis-HCL salt of a compound represented by Structural Formula 1 described herein. The crystalline forms of the bis-HCl salt of a compound of Structural Formula 1 and compositions comprising the crystalline forms of the compound of Structural Formula 1 provided herein, in particular, crystalline Form I, crystalline Form J, crystalline Form A, and crystalline Form B, or mixtures thereof, can be incorporated into pharmaceutical compositions, which can be used to treat various disorders. Also described herein are methods for preparing the crystalline forms (e.g., Forms I, J, B and A) of the bis-HCI salt of a compound represented by Structural Formula 1.Type: ApplicationFiled: October 19, 2017Publication date: August 22, 2019Inventors: Danny LaFrance, Philip C. Hogan, Yansheng Liu, Minsheng He, Chi-Li Chen, John Niu
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Publication number: 20190077803Abstract: The present invention is directed to a compound represented by Structural Formula (I): or a pharmaceutically acceptable salt thereof. The variables for Structural Formula I are defined herein. Also described is a pharmaceutical composition comprising the compound of Structural Formula I and its therapeutic use.Type: ApplicationFiled: May 2, 2018Publication date: March 14, 2019Inventors: Chi-Li Chen, Roger B. Clark, Yonghong Deng, Minsheng He, Louis Plamondon, Cuixiang Sun, Xiao-Yi Xiao, Magnus P. Ronn
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Publication number: 20190076539Abstract: This invention provides amine-linked C3-glutarimide Degronimers and Degrons for therapeutic applications as described further herein, and methods of use and compositions thereof as well as methods for their preparation.Type: ApplicationFiled: November 9, 2018Publication date: March 14, 2019Applicant: C4 Theraprutics, Inc.Inventors: Andrew J. Phillips, Chris G. Nasveschuk, James A. Henderson, Yanke Liang, Chi-li Chen, Martin Duplessis, Minsheng He, Kiel Lazarski
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Patent number: 10072007Abstract: The present invention is directed to a compound represented by Structural Formula (I): or a pharmaceutically acceptable salt thereof. The variables for Structural Formula I are defined herein. Also described is a pharmaceutical composition comprising the compound of Structural Formula I and its therapeutic use.Type: GrantFiled: March 24, 2016Date of Patent: September 11, 2018Assignee: Tetraphase Pharmaceuticals, Inc.Inventors: Chi-Li Chen, Roger B. Clark, Yonghong Deng, Minsheng He, Louis Plamondon, Cuixiang Sun, Xiao-Yi Xiao, Magnus P. Ronn