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).

  • Patent number: 10774050
    Abstract: 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: Grant
    Filed: June 1, 2018
    Date of Patent: September 15, 2020
    Assignee: Purdue Pharma, L.P.
    Inventors: Chiyou Ni, Laykea Tafesse, Jiangchao Yao, Mark A. Youngman, Minnie Park, Bin Shao
  • Publication number: 20190292149
    Abstract: 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: Application
    Filed: January 23, 2019
    Publication date: September 26, 2019
    Inventors: Donald James Kyle, Chiyou Ni, Laykea Tafesse, Jiangchao Yao
  • Patent number: 10202344
    Abstract: 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: Grant
    Filed: August 4, 2017
    Date of Patent: February 12, 2019
    Assignee: Purdue Pharma L.P.
    Inventors: Donald J. Kyle, Chiyou Ni, Laykea Tafesse, Jiangchao Yao
  • Patent number: 10196364
    Abstract: 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: Grant
    Filed: April 6, 2017
    Date of Patent: February 5, 2019
    Assignee: Purdue Pharma L.P.
    Inventors: Jeffrey Lockman, Chiyou Ni, Jae Hyun Park, Minnie Park, Bin Shao, Laykea Tafesse, Jiangchao Yao, Mark A. Youngman
  • Publication number: 20190002412
    Abstract: 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: Application
    Filed: June 1, 2018
    Publication date: January 3, 2019
    Inventors: Chiyou Ni, Laykea Tafesse, Jiangchao Yao, Mark A. Youngman, Minnie Park, Bin Shao
  • Patent number: 10059675
    Abstract: 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: Grant
    Filed: May 4, 2017
    Date of Patent: August 28, 2018
    Assignee: Purdue Pharma L.P.
    Inventors: Chiyou Ni, Laykea Tafesse, Jiangchao Yao, Mark A. Youngman, Minnie Park, Bin Shao
  • Publication number: 20180022699
    Abstract: 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: Application
    Filed: August 4, 2017
    Publication date: January 25, 2018
    Inventors: Donald J. Kyle, Chiyou Ni, Laykea Tafesse, Jiangchao Yao
  • Publication number: 20170298027
    Abstract: 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: Application
    Filed: May 4, 2017
    Publication date: October 19, 2017
    Applicant: Purdue Pharma L.P.
    Inventors: Chiyou Ni, Laykea Tafesse, Jiangchao Yao, Mark A. Youngman, Minnie Park, Bin Shao
  • Patent number: 9765029
    Abstract: 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: Grant
    Filed: August 12, 2015
    Date of Patent: September 19, 2017
    Assignee: Purdue Pharma L.P.
    Inventors: Don Kyle, Chiyou Ni, Minnie Park, Laykea Tafesse
  • Patent number: 9745287
    Abstract: 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: Grant
    Filed: September 19, 2014
    Date of Patent: August 29, 2017
    Assignee: Purdue Pharma L.P.
    Inventors: Chiyou Ni, Jae Hyun Park, Bin Shao, Xiaoming Zhou
  • Publication number: 20170210713
    Abstract: 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: Application
    Filed: April 6, 2017
    Publication date: July 27, 2017
    Inventors: Jeffrey Lockman, Chiyou Ni, Jae Hyun Park, Minnie Park, Bin Shao, Laykea Tafesse, Jiangchao Yao, Mark A. Youngman
  • Patent number: 9656959
    Abstract: 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: Grant
    Filed: December 21, 2011
    Date of Patent: May 23, 2017
    Assignee: Purdue Pharma L.P.
    Inventors: Chiyou Ni, Minnie Park, Bin Shao, Laykea Tafesse, Jiangchao Yao, Mark A. Youngman, Xiaoming Zhou
  • Patent number: 9656968
    Abstract: 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: Grant
    Filed: September 23, 2015
    Date of Patent: May 23, 2017
    Inventors: Chiyou Ni, Laykea Tafesse, Jiangcho Yao, Mark Youngman, Minnie Park, Bin Shao
  • Patent number: 9637458
    Abstract: 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: Grant
    Filed: March 3, 2014
    Date of Patent: May 2, 2017
    Inventors: Jeffrey Lockman, Chiyou Ni, Jae Hyun Park, Minnie Park, Bin Shao, Laykea Tafesse, Jiangchao Yao, Mark A. Youngman
  • Patent number: 9611222
    Abstract: 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: Grant
    Filed: May 28, 2015
    Date of Patent: April 4, 2017
    Assignee: Purdue Pharma L.P.
    Inventors: Chiyou Ni, Bin Shao, Laykea Tafesse, Jiangchao Yao, Jianming Yu, Xiaoming Zhou
  • Publication number: 20160332992
    Abstract: 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: Application
    Filed: September 19, 2014
    Publication date: November 17, 2016
    Inventors: Chiyou Ni, Jae Hyun Park, Bin Shao, Xiaoming Zhou
  • Publication number: 20160326111
    Abstract: 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: Application
    Filed: December 14, 2015
    Publication date: November 10, 2016
    Inventors: Donald J. Kyle, Chiyou Ni, Laykea Tafesse, Jiangchao Yao
  • Publication number: 20160024022
    Abstract: 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: Application
    Filed: September 23, 2015
    Publication date: January 28, 2016
    Applicant: PURDUE PHARMA L.P.
    Inventors: Chiyou Ni, Laykea Tafesse, Jiangcho Yao, Mark Youngman, Minnie Park, Bin Shao
  • Publication number: 20160009659
    Abstract: 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: Application
    Filed: March 3, 2014
    Publication date: January 14, 2016
    Inventors: Jeffrey LOCKMAN, Chiyou NI, Jae Hyun PARK, Minnie PARK, Bin SHAO, Laykea TAFESSE, Jiangchao YAO, Mark A. YOUNGMAN
  • Patent number: 9212139
    Abstract: 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: Grant
    Filed: June 16, 2011
    Date of Patent: December 15, 2015
    Assignee: Purdue Pharma, L.P.
    Inventors: Donald J. Kyle, Chiyou Ni, Laykea Tafesse, Jiangchao Yao