Patents by Inventor Haifeng Tang

Haifeng Tang 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: 9056859
    Abstract: This invention relates to compounds having structural Formula (I); and pharmaceutically acceptable salts thereof which are inhibitors of the Renal Outer Medullary Potassium (ROMK) channel (Kir 1.1). The compounds of Formula I are useful as diuretics and natriuretics and therefore are useful for the therapy and prophylaxis of disorders resulting from excessive salt and water retention, including cardiovascular diseases such as hypertension and chronic and acute heart failure.
    Type: Grant
    Filed: October 24, 2011
    Date of Patent: June 16, 2015
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Alexander Pasternak, Reynalda K. deJesus, Yuping Zhu, Lihu Yang, Shawn Walsh, Haifeng Tang, Dooseop Kim, Barbara Pio, Aurash Shahripour, Kevin Belyk
  • Patent number: 9018211
    Abstract: This invention relates to compounds having structural Formula I: and pharmaceutically acceptable salts thereof which are inhibitors of the Renal Outer Medullary Potassium (ROMK) channel (Kir1.1). The compounds of Formula I are useful as diuretics and natriuretics and therefore are useful for the therapy and prophylaxis of disorders resulting from excessive salt and water retention, including cardiovascular diseases such as hypertension and chronic and acute heart failure.
    Type: Grant
    Filed: January 24, 2014
    Date of Patent: April 28, 2015
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Alexander Pasternak, Yuping Zhu, Aurash Shahripour, Haifeng Tang, Lihu Yang, Shawn P. Walsh, Nardos H. Teumelsan
  • Publication number: 20150099729
    Abstract: The present invention provides compounds of Formula I and the pharmaceutically acceptable salts thereof, which are inhibitors of the ROMK (Kir1.1) channel. The compounds may be used as diuretic and/or natriuretic agents and for the therapy and prophylaxis of medical conditions including cardiovascular diseases such as hypertension, heart failure and conditions associated with excessive salt and water retention.
    Type: Application
    Filed: December 15, 2014
    Publication date: April 9, 2015
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Fa-Xiang Ding, Shuzhi Dong, Jessica Frie, Xin Gu, Jinlong Jiang, Alexander Pasternak, Haifeng Tang, Zhicai Wu, Yang Yu, Takao Suzuki
  • Patent number: 8999990
    Abstract: The present invention provides compounds of Formula I and the pharmaceutically acceptable salts thereof, which are inhibitors of the ROMK (Kir1.1) channel. The compounds act as diuretics and natriuretics and are valuable pharmaceutically active compounds for the therapy and prophylaxis of medical conditions including cardiovascular diseases such as hypertension and conditions resulting from excessive salt and water retention.
    Type: Grant
    Filed: October 22, 2012
    Date of Patent: April 7, 2015
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Haifeng Tang, Barbara Pio, Nardos Teumelsan, Alexander Pasternak, Reynalda DeJesus
  • Patent number: 8999991
    Abstract: The present invention provides compounds of Formula I and the pharmaceutically acceptable salts thereof, which are inhibitors of the ROMK (Kir1.1) channel. The compounds act as diuretics and natriuretics and are valuable pharmaceutically active compounds for the therapy and prophylaxis of medical conditions including cardiovascular diseases such as hypertension and conditions resulting from excessive salt and water retention.
    Type: Grant
    Filed: October 22, 2012
    Date of Patent: April 7, 2015
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Haifeng Tang, Barbara Pio, Harry R. Chobanian
  • Patent number: 8952166
    Abstract: The present invention provides compounds of Formula I and the pharmaceutically acceptable salts thereof, which are inhibitors of the ROMK (Kir1.1) channel. The compounds may be used as diuretic and/or natriuretic agents and for the therapy and prophylaxis of medical conditions including cardiovascular diseases such as hypertension, heart failure and conditions associated with excessive salt and water retention.
    Type: Grant
    Filed: July 25, 2013
    Date of Patent: February 10, 2015
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Fa-Xiang Ding, Shuzhi Dong, Jessica Frie, Xin Gu, Jinlong Jiang, Alexander Pasternak, Haifeng Tang, Zhicai Wu, Yang Yu, Takao Suzuki
  • Publication number: 20140336177
    Abstract: The present invention provides compounds of Formula I and the pharmaceutically acceptable salts thereof, which are inhibitors of the ROMK (Kir1.1) channel. The compounds act as diuretics and natriuretics and are valuable pharmaceutically active compounds for the therapy and prophylaxis of medical conditions including cardiovascular diseases such as hypertension and conditions resulting from excessive salt and water retention.
    Type: Application
    Filed: December 11, 2012
    Publication date: November 13, 2014
    Inventors: Barbara Pio, Alexander Pasternak, Aurash Shahripour, Haifeng Tang, Shawn Walsh
  • Publication number: 20140309213
    Abstract: This invention relates to compounds of Formula I-VI having the following general structure: Z1—Y1—(CH2)n1—R—(CH2)n2—Y2—Z2 wherein R is a 6-8 membered saturated heterocyclic ring having 2 Nitrogen atoms connected with —(CH2)n1— and —(CH2)n2—, respectively, and pharmaceutically acceptable salts thereof which are inhibitors of the Renal Outer Medullary Potassium (ROMK) channel (Kir1.1). The compounds are useful as diuretics and natriuretics and therefore are useful for the therapy and prophylaxis of disorders resulting from excessive salt and water retention, including cardiovascular diseases such as hypertension and chronic and acute heart failure.
    Type: Application
    Filed: October 25, 2012
    Publication date: October 16, 2014
    Inventors: Shawn P. Walsh, Alexander Pasternak, Reynalda K. DeJesus, Haifeng Tang, Barbara Pio, Aurash Shahripour, Kevin M. Belyk, Harry R. Chobanian, Yan Guo, Jessica L. Frie, Zhi-Cai Shi, Helen Chen, Timothy A. Blizzard, Brian Cato
  • Publication number: 20140296225
    Abstract: The present invention provides compounds of Formula I and the pharmaceutically acceptable salts thereof, which are inhibitors of the ROMK (Kir1.1) channel. The compounds act as diuretics and natriuretics and are valuable pharmaceutically active compounds for the therapy and prophylaxis of medical conditions including cardiovascular diseases such as hypertension and conditions resulting from excessive salt and water retention.
    Type: Application
    Filed: October 22, 2012
    Publication date: October 2, 2014
    Inventors: Haifeng Tang, Barbara Pio, Nardos Teumelsan, Alexander Pasternak, Reynalda DeJesus
  • Publication number: 20140288088
    Abstract: The present invention provides compounds of Formula I and the pharmaceutically acceptable salts thereof, which are inhibitors of the ROMK (Kir1.1) channel. The compounds act as diuretics and natriuretics and are valuable pharmaceutically active compounds for the therapy and prophylaxis of medical conditions including cardiovascular diseases such as hypertension and conditions resulting from excessive salt and water retention.
    Type: Application
    Filed: October 22, 2012
    Publication date: September 25, 2014
    Inventors: Haifeng Tang, Barbara Pio, Harry R. Chobanian
  • Publication number: 20140235628
    Abstract: This invention relates to compounds having structural Formula I: and pharmaceutically acceptable salts thereof which are inhibitors of the Renal Outer Medullary Potassium (ROMK) channel (Kir1.1). The compounds of Formula I are useful as diuretics and natriuretics and therefore are useful for the therapy and prophylaxis of disorders resulting from excessive salt and water retention, including cardiovascular diseases such as hypertension and chronic and acute heart failure.
    Type: Application
    Filed: September 10, 2012
    Publication date: August 21, 2014
    Inventors: Shawn Walsh, Alexander Pasternak, Brian Cato, Paul E. Finke, Jessica Frie, Qinghong Fu, Dooseop Kim, Barbara Pio, Aurash Shahripour, Zhi-Cai Shi, Haifeng Tang
  • Publication number: 20140206618
    Abstract: The present invention provides compounds of Formula Ia and the pharmaceutically acceptable salts thereof, which are inhibitors of the ROMK (Kir1.1) channel. The compounds may be used as diuretic and/or natriuretic agents and for the therapy and prophylaxis of medical conditions including cardiovascular diseases such as hypertension, heart failure and conditions associated with excessive salt and water retention.
    Type: Application
    Filed: August 16, 2012
    Publication date: July 24, 2014
    Inventors: Alexander Pasternak, Timothy Blizzard, Harry Chobanian, Reynalda de Jesus, Fa-Xiang Ding, Shuzhi Dong, Candido Gude, Dooseop Kim, Haifeng Tang, Shawn Walsh, Barbara Pio, Jinlong Jiang
  • Publication number: 20140142115
    Abstract: This invention relates to compounds having structural Formula I: and pharmaceutically acceptable salts thereof which are inhibitors of the Renal Outer Medullary Potassium (ROMK) channel (Kir1.1). The compounds of Formula I are useful as diuretics and natriuretics and therefore are useful for the therapy and prophylaxis of disorders resulting from excessive salt and water retention, including cardiovascular diseases such as hypertension and chronic and acute heart failure.
    Type: Application
    Filed: January 24, 2014
    Publication date: May 22, 2014
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Alexander Pasternak, Yuping Zhu, Aurash Shahripour, Haifeng Tang, Lihu Yang, Shawn P. Walsh, Nardos H. Teumelsan
  • Patent number: 8673920
    Abstract: This invention relates to compounds having structural Formula I: and pharmaceutically acceptable salts thereof which are inhibitors of the Renal Outer Medullary Potassium (ROMK) channel (Kir1.1). The compounds of Formula I are useful as diuretics and natriuretics and therefore are useful for the therapy and prophylaxis of disorders resulting from excessive salt and water retention, including cardiovascular diseases such as hypertension and chronic and acute heart failure.
    Type: Grant
    Filed: April 27, 2010
    Date of Patent: March 18, 2014
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Alexander Pasternak, Aurash Shahripour, Haifeng Tang, Nardos H. Teumelsan, Lihu Yang, Yuping Zhu, Shawn P. Walsh
  • Publication number: 20140031349
    Abstract: The present invention provides compounds of Formula I and the pharmaceutically acceptable salts thereof, which are inhibitors of the ROMK (Kir1.1) channel. The compounds may be used as diuretic and/or natriuretic agents and for the therapy and prophylaxis of medical conditions including cardiovascular diseases such as hypertension, heart failure and conditions associated with excessive salt and water retention.
    Type: Application
    Filed: July 25, 2013
    Publication date: January 30, 2014
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Fa-Xiang Ding, Shuzhi Dong, Jessica Frie, Xin Gu, Jinlong Jiang, Alexander Pasternak, Haifeng Tang, Zhicai Wu, Yang Yu, Takao Suzuki
  • Publication number: 20130225561
    Abstract: This invention relates to compounds having structural Formula I: and pharmaceutically acceptable salts thereof which are inhibitors of the Renal Outer Medullary Potassium (ROMK) channel (Kir1.1). The compounds of Formula I are useful as diuretics and natriuretics and therefore are useful for the therapy and prophylaxis of disorders resulting from excessive salt and water retention, including cardiovascular diseases such as hypertension and chronic and acute heart failure.
    Type: Application
    Filed: October 21, 2011
    Publication date: August 29, 2013
    Inventors: Haifeng Tang, Alexander Pasternak, Lihu Yang, Shawn P. Walsh, Barbara Pio, Aurash Shahripour, Nardos Teumelsan
  • Publication number: 20130217680
    Abstract: This invention relates to compounds having structural Formula (I); and pharmaceutically acceptable salts thereof which are inhibitors of the Renal Outer Medullary Potassium (ROMK) channel (Kir 1.1). The compounds of Formula I are useful as diuretics and natriuretics and therefore are useful for the therapy and prophylaxis of disorders resulting from excessive salt and water retention, including cardiovascular diseases such as hypertension and chronic and acute heart failure.
    Type: Application
    Filed: October 24, 2011
    Publication date: August 22, 2013
    Inventors: Alexander Pasternak, Reynalda K. deJesus, Yuping Zhu, Lihu Yang, Shawn Walsh, Haifeng Tang, Dooseop Kim, Barbara Pio, Aurash Shahripour, Kevin Belyk
  • Publication number: 20100286123
    Abstract: This invention relates to compounds having structural Formula I: and pharmaceutically acceptable salts thereof which are inhibitors of the Renal Outer Medullary Potassium (ROMK) channel (Kir1.1). The compounds of Formula I are useful as diuretics and natriuretics and therefore are useful for the therapy and prophylaxis of disorders resulting from excessive salt and water retention, including cardiovascular diseases such as hypertension and chronic and acute heart failure.
    Type: Application
    Filed: April 27, 2010
    Publication date: November 11, 2010
    Inventors: Alexander Pasternak, Aurash Shahripour, Haifeng Tang, Nardos H. Teumelsan, Lihu Yang, Yuping Zhu, Shawn P. Walsh
  • Patent number: 7759493
    Abstract: Bicyclic compounds containing a phenyl or pyridyl ring fused to a cycloalkyl or heterocyclic ring, to which is attached a 5-membered heterocyclic ring, including pharmaceutically acceptable salts and prodrugs thereof, are agonists of G-protein coupled receptor 40 (GPR40) and are useful as therapeutic compounds, particularly in the treatment of Type 2 diabetes mellitus, and of conditions that are often associated with this disease, including obesity and lipid disorders, such as mixed or diabetic dyslipidemia, hyperlipidemia, hypercholesterolemia, and hypertriglyceridemia.
    Type: Grant
    Filed: January 30, 2006
    Date of Patent: July 20, 2010
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Min Ge, Lihu Yang, Changyou Zhou, Songnian Lin, Haifeng Tang, Eric Dean Cline, Sunita Malkani
  • Publication number: 20090312303
    Abstract: Bicyclic compounds containing a phenyl or pyridyl ring fused to a cycloalkyl or heterocyclic ring, to which is attached a 5-membered heterocyclic ring, including pharmaceutically acceptable salts and prodrugs thereof, are agonists of G-protein coupled receptor 40 (GPR40) and are useful as therapeutic compounds, particularly in the treatment of Type 2 diabetes mellitus, and of conditions that are often associated with this disease, including obesity and lipid disorders, such as mixed or diabetic dyslipidemia, hyperlipidemia, hypercholesterolemia, and hypertriglyceridemia.
    Type: Application
    Filed: January 30, 2006
    Publication date: December 17, 2009
    Applicant: MERCK & CO., INC.
    Inventors: Min Ge, Lihu Yang, Changyou Zhou, Songnian Lin, Haifeng Tang, Eric Dean Cline, Sunita Malkani