Patents by Inventor Chiyou Ni
Chiyou Ni 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: 10774050Abstract: The present disclosure provides substituted pyrimidine compounds of Formula (I), and the pharmaceutically acceptable salts, prodrugs, and solvates thereof, wherein A1, X, A2, W1, W2, W3, E, Z, and R4 are defined as set forth in the specification. The present disclosure is also directed to the use of compounds of Formula (I) to treat a disorder responsive to the blockade of sodium channels. Compounds of the present disclosure are especially useful for treating pain.Type: GrantFiled: June 1, 2018Date of Patent: September 15, 2020Assignee: Purdue Pharma, L.P.Inventors: Chiyou Ni, Laykea Tafesse, Jiangchao Yao, Mark A. Youngman, Minnie Park, Bin Shao
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Publication number: 20190292149Abstract: The invention relates to aryl and heteroaryl substituted compounds of Formula (I), and pharmaceutically acceptable salts, prodrugs, or solvates thereof, wherein G, R1, and Z1-Z5 are defined as set forth in the specification. The invention is also directed to the use of compounds of Formula (I) to treat a disorder responsive to the blockade of sodium channels. Compounds of the present invention are especially useful for treating pain.Type: ApplicationFiled: January 23, 2019Publication date: September 26, 2019Inventors: Donald James Kyle, Chiyou Ni, Laykea Tafesse, Jiangchao Yao
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Patent number: 10202344Abstract: The invention relates to aryl and heteroaryl substituted compounds of Formula (I), and pharmaceutically acceptable salts, prodrugs, or solvates thereof, wherein G, R1, and Z1-Z5 are defined as set forth in the specification. The invention is also directed to the use of compounds of Formula (I) to treat a disorder responsive to the blockade of sodium channels. Compounds of the present invention are especially useful for treating pain.Type: GrantFiled: August 4, 2017Date of Patent: February 12, 2019Assignee: Purdue Pharma L.P.Inventors: Donald J. Kyle, Chiyou Ni, Laykea Tafesse, Jiangchao Yao
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Patent number: 10196364Abstract: The present disclosure provides substituted pyrimidine carboxamides of Formula (I) and the pharmaceutically acceptable salts and solvates thereof wherein A1, X, A2, W1, W2, W3, E, Z, and R4 are defined as set forth in the specification. The present disclosure is also directed to the use of compounds of Formula (I) to treat a disorder responsive to the blockade of sodium channels. Compounds of the present disclosure are especially useful for treating pain.Type: GrantFiled: April 6, 2017Date of Patent: February 5, 2019Assignee: Purdue Pharma L.P.Inventors: Jeffrey Lockman, Chiyou Ni, Jae Hyun Park, Minnie Park, Bin Shao, Laykea Tafesse, Jiangchao Yao, Mark A. Youngman
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Publication number: 20190002412Abstract: The present disclosure provides substituted pyrimidine compounds of Formula (I), and the pharmaceutically acceptable salts, prodrugs, and solvates thereof, wherein A1, X, A2, W1, W2, W3, E, Z, and R4 are defined as set forth in the specification. The present disclosure is also directed to the use of compounds of Formula (I) to treat a disorder responsive to the blockade of sodium channels. Compounds of the present disclosure are especially useful for treating pain.Type: ApplicationFiled: June 1, 2018Publication date: January 3, 2019Inventors: Chiyou Ni, Laykea Tafesse, Jiangchao Yao, Mark A. Youngman, Minnie Park, Bin Shao
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Patent number: 10059675Abstract: The present disclosure provides substituted pyrimidine compounds of Formula (I), and the pharmaceutically acceptable salts, prodrugs, and solvates thereof, wherein A1, X, A2, W1, W2, W3, E, Z, and R4 are defined as set forth in the specification. The present disclosure is also directed to the use of compounds of Formula (I) to treat a disorder responsive to the blockade of sodium channels. Compounds of the present disclosure are especially useful for treating pain.Type: GrantFiled: May 4, 2017Date of Patent: August 28, 2018Assignee: Purdue Pharma L.P.Inventors: Chiyou Ni, Laykea Tafesse, Jiangchao Yao, Mark A. Youngman, Minnie Park, Bin Shao
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Publication number: 20180022699Abstract: The invention relates to aryl and heteroaryl substituted compounds of Formula (I), and pharmaceutically acceptable salts, prodrugs, or solvates thereof, wherein G, R1, and Z1-Z5 are defined as set forth in the specification. The invention is also directed to the use of compounds of Formula (I) to treat a disorder responsive to the blockade of sodium channels. Compounds of the present invention are especially useful for treating pain.Type: ApplicationFiled: August 4, 2017Publication date: January 25, 2018Inventors: Donald J. Kyle, Chiyou Ni, Laykea Tafesse, Jiangchao Yao
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Publication number: 20170298027Abstract: The present disclosure provides substituted pyrimidine compounds of Formula (I), and the pharmaceutically acceptable salts, prodrugs, and solvates thereof, wherein A1, X, A2, W1, W2, W3, E, Z, and R4 are defined as set forth in the specification. The present disclosure is also directed to the use of compounds of Formula (I) to treat a disorder responsive to the blockade of sodium channels. Compounds of the present disclosure are especially useful for treating pain.Type: ApplicationFiled: May 4, 2017Publication date: October 19, 2017Applicant: Purdue Pharma L.P.Inventors: Chiyou Ni, Laykea Tafesse, Jiangchao Yao, Mark A. Youngman, Minnie Park, Bin Shao
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Patent number: 9765029Abstract: The invention relates to substituted pyridine compounds of Formula I: (I) or a pharmaceutically acceptable salt, prodrug, or solvate thereof, wherein A1, X, A2, R1a, R1b, R1c, G, and z are defined as set forth in the specification. The invention is also directed to the use of compounds of Formula I to treat a disorder responsive to the blockade of sodium channels. Compounds of the present invention are especially useful for treating pain.Type: GrantFiled: August 12, 2015Date of Patent: September 19, 2017Assignee: Purdue Pharma L.P.Inventors: Don Kyle, Chiyou Ni, Minnie Park, Laykea Tafesse
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Patent number: 9745287Abstract: The present disclosure provides pyrimidines of Formula I: and pharmaceutically acceptable salts and solvates thereof, wherein A1, X, A2, G, Y, n, R2a, R2b, and R3 are defined as set forth in the specification. The present disclosure is also directed to the use of compounds of Formula I and the pharmaceutically acceptable salts and solvates thereof to treat a disorder responsive to the blockade of one or more sodium channels. In one embodiment, compounds of the present disclosure are useful for treating pain.Type: GrantFiled: September 19, 2014Date of Patent: August 29, 2017Assignee: Purdue Pharma L.P.Inventors: Chiyou Ni, Jae Hyun Park, Bin Shao, Xiaoming Zhou
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Publication number: 20170210713Abstract: The present disclosure provides substituted pyrimidine carboxamides of Formula (I) and the pharmaceutically acceptable salts and solvates thereof wherein A1, X, A2, W1, W2, W3, E, Z, and R4 are defined as set forth in the specification. The present disclosure is also directed to the use of compounds of Formula (I) to treat a disorder responsive to the blockade of sodium channels. Compounds of the present disclosure are especially useful for treating pain.Type: ApplicationFiled: April 6, 2017Publication date: July 27, 2017Inventors: Jeffrey Lockman, Chiyou Ni, Jae Hyun Park, Minnie Park, Bin Shao, Laykea Tafesse, Jiangchao Yao, Mark A. Youngman
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Patent number: 9656959Abstract: The invention relates to substituted pyridine compounds of Formula I: (I) and the pharmaceutically acceptable salts, prodrugs, and solvates thereof, wherein R1a, R1b, R2a, R2b, R2c, A1, A2, and X are defined as set forth in the specification. The invention is also directed to the use of compounds of Formula I to treat a disorder responsive to the blockade of sodium channels. Compounds of the present invention are especially useful for treating pain.Type: GrantFiled: December 21, 2011Date of Patent: May 23, 2017Assignee: Purdue Pharma L.P.Inventors: Chiyou Ni, Minnie Park, Bin Shao, Laykea Tafesse, Jiangchao Yao, Mark A. Youngman, Xiaoming Zhou
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Patent number: 9656968Abstract: The present disclosure provides substituted pyrimidine compounds of Formula (I), and the pharmaceutically acceptable salts, prodrugs, and solvates thereof, wherein A1, X, A2, W1, W2, W3, E, Z, and R4 are defined as set forth in the specification. The present disclosure is also directed to the use of compounds of Formula (I) to treat a disorder responsive to the blockade of sodium channels. Compounds of the present disclosure are especially useful for treating pain.Type: GrantFiled: September 23, 2015Date of Patent: May 23, 2017Inventors: Chiyou Ni, Laykea Tafesse, Jiangcho Yao, Mark Youngman, Minnie Park, Bin Shao
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Patent number: 9637458Abstract: The present disclosure provides substituted pyrimidine carboxamides of Formula (I) and the pharmaceutically acceptable salts and solvates thereof, wherein A1, X, A2, W1, W2, W3, E, Z, and R4 are defined as set forth in the specification. The present disclosure is also directed to the use of compounds of Formula (I) to treat a disorder responsive to the blockade of sodium channels. Compounds of the present disclosure are especially useful for treating pain.Type: GrantFiled: March 3, 2014Date of Patent: May 2, 2017Inventors: Jeffrey Lockman, Chiyou Ni, Jae Hyun Park, Minnie Park, Bin Shao, Laykea Tafesse, Jiangchao Yao, Mark A. Youngman
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Patent number: 9611222Abstract: The invention relates to substituted pyridine compounds of Formula (I) and the pharmaceutically acceptable salts, prodrugs, and solvates thereof, wherein R1a, A1, A2, E, G, Z1, and Z2 are defined as set forth in the specification. The invention is also directed to the use of compounds of Formula I to treat a disorder responsive to the blockade of sodium channels. Compounds of the present invention are especially useful for treating pain.Type: GrantFiled: May 28, 2015Date of Patent: April 4, 2017Assignee: Purdue Pharma L.P.Inventors: Chiyou Ni, Bin Shao, Laykea Tafesse, Jiangchao Yao, Jianming Yu, Xiaoming Zhou
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Publication number: 20160332992Abstract: The present disclosure provides pyrimidines of Formula I: and pharmaceutically acceptable salts and solvates thereof, wherein A1, X, A2, G, Y, n, R2a, R2b, and R3 are defined as set forth in the specification. The present disclosure is also directed to the use of compounds of Formula I and the pharmaceutically acceptable salts and solvates thereof to treat a disorder responsive to the blockade of one or more sodium channels. In one embodiment, compounds of the present disclosure are useful for treating pain.Type: ApplicationFiled: September 19, 2014Publication date: November 17, 2016Inventors: Chiyou Ni, Jae Hyun Park, Bin Shao, Xiaoming Zhou
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Publication number: 20160326111Abstract: The invention relates to aryl and heteroaryl substituted compounds of Formula (I), and pharmaceutically acceptable salts, prodrugs, or solvates thereof, wherein G, R1, and Z1-Z5 are defined as set forth in the specification. The invention is also directed to the use of compounds of Formula (I) to treat a disorder responsive to the blockade of sodium channels. Compounds of the present invention are especially useful for treating pain.Type: ApplicationFiled: December 14, 2015Publication date: November 10, 2016Inventors: Donald J. Kyle, Chiyou Ni, Laykea Tafesse, Jiangchao Yao
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Publication number: 20160024022Abstract: The present disclosure provides substituted pyrimidine compounds of Formula (I), and the pharmaceutically acceptable salts, prodrugs, and solvates thereof, wherein A1, X, A2, W1, W2, W3, E, Z, and R4 are defined as set forth in the specification. The present disclosure is also directed to the use of compounds of Formula (I) to treat a disorder responsive to the blockade of sodium channels. Compounds of the present disclosure are especially useful for treating pain.Type: ApplicationFiled: September 23, 2015Publication date: January 28, 2016Applicant: PURDUE PHARMA L.P.Inventors: Chiyou Ni, Laykea Tafesse, Jiangcho Yao, Mark Youngman, Minnie Park, Bin Shao
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Publication number: 20160009659Abstract: The present disclosure provides substituted pyrimidine carboxamides of Formula (I) and the pharmaceutically acceptable salts and solvates thereof, wherein A1, X, A2, W1, W2, W3, E, Z, and R4 are defined as set forth in the specification. The present disclosure is also directed to the use of compounds of Formula (I) to treat a disorder responsive to the blockade of sodium channels. Compounds of the present disclosure are especially useful for treating pain.Type: ApplicationFiled: March 3, 2014Publication date: January 14, 2016Inventors: Jeffrey LOCKMAN, Chiyou NI, Jae Hyun PARK, Minnie PARK, Bin SHAO, Laykea TAFESSE, Jiangchao YAO, Mark A. YOUNGMAN
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Patent number: 9212139Abstract: The invention relates to aryl and heteroaryl substituted compounds of Formula (I), and pharmaceutically acceptable salts, prodrugs, or solvates thereof, wherein G, R1, and Z1-Z5 are defined as set forth in the specification. The invention is also directed to the use of compounds of Formula (I) to treat a disorder responsive to the blockade of sodium channels. Compounds of the present invention are especially useful for treating pain.Type: GrantFiled: June 16, 2011Date of Patent: December 15, 2015Assignee: Purdue Pharma, L.P.Inventors: Donald J. Kyle, Chiyou Ni, Laykea Tafesse, Jiangchao Yao