Patents by Inventor Dahui Zhou

Dahui Zhou 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: 11684616
    Abstract: This invention relates to compounds of general Formula I and pharmaceutically acceptable salts thereof, in which R1, R2, R3a, R3b, and R4 are as defined herein, to pharmaceutical compositions comprising such compounds and salts, and to methods of using such compounds, salts and compositions for the treatment of abnormal cell growth, including cancer.
    Type: Grant
    Filed: April 30, 2021
    Date of Patent: June 27, 2023
    Assignee: PFIZER INC.
    Inventors: Joyann Barber, Sujin Cho-Schultz, Matthew L. Del Bel, Rebecca Anne Gallego, Mingying He, Mehran Jalaie, Robert Steven Kania, Michele Ann McTigue, Sajiv Krishnan Nair, Anne-Marie Dechert Schmitt, Jamison Bryce Tuttle, Dahui Zhou, Ru Zhou
  • Publication number: 20220401424
    Abstract: This invention relates to compounds of general Formula I and pharmaceutically acceptable salts thereof, in which R1, R2, R3a, R3b, and R4 are as defined herein, to pharmaceutical compositions comprising such compounds and salts, and to methods of using such compounds, salts and compositions for the treatment of abnormal cell growth, including cancer.
    Type: Application
    Filed: April 30, 2021
    Publication date: December 22, 2022
    Applicant: PFIZER INC.
    Inventors: Joyann Barber, Sujin Cho-Schultz, Matthew L. Del Bel, Rebecca Anne Gallego, Mingying He, Mehran Jalaie, Robert Steven Kania, Michele Ann McTigue, Sajiv Krishnan Nair, Anne-Marie Dechert Schmitt, Jamison Bryce Tuttle, Dahui Zhou, Ru Zhou
  • Patent number: 11142525
    Abstract: This invention relates to compounds of general Formula (I) and pharmaceutically acceptable salts thereof, in which R1, R1a, R2, R3, R4, and (R5)a are as defined herein, to pharmaceutical compositions comprising such compounds and pharmaceutically acceptable salts thereof, and to methods of using such compounds, pharmaceutically acceptable salts and compositions for the treatment of abnormal cell growth, including cancer.
    Type: Grant
    Filed: November 11, 2019
    Date of Patent: October 12, 2021
    Assignee: PFIZER INC.
    Inventors: Rebecca Anne Gallego, Sajiv Krishnan Nair, Robert Steven Kania, Omar Khaled Ahmad, Ted William Johnson, Jamison Bryce Tuttle, Mehran Jalaie, Michele Ann McTigue, Dahui Zhou, Matthew L. Del Bel, Ru Zhou, Mingying He, Anne-Marie Dechert Schmitt
  • Publication number: 20210087180
    Abstract: Compounds of the general formula (I): or a pharmaceutically acceptable salt thereof, processes for the preparation of these compounds, compositions containing these compounds, and the uses of these compounds.
    Type: Application
    Filed: September 23, 2020
    Publication date: March 25, 2021
    Applicant: PFIZER INC.
    Inventors: Ryan PATMAN, Martin James WYTHES, Eugene Yuanjin RUI, Indrawan James MCALPINE, Andrew FENSOME, Mehran JALAIE, Ketan S. GAJIWALA, Chan Woo HUH, Tuan Phong TRAN, Lei ZHANG, Dahui ZHOU, Ethan Lawrence FISHER
  • Publication number: 20200172539
    Abstract: This invention relates to compounds of general Formula (I) and pharmaceutically acceptable salts thereof, in which R1, R1a, R2, R3, R4, and (R5)a are as defined herein, to pharmaceutical compositions comprising such compounds and pharmaceutically acceptable salts thereof, and to methods of using such compounds, pharmaceutically acceptable salts and compositions for the treatment of abnormal cell growth, including cancer.
    Type: Application
    Filed: November 11, 2019
    Publication date: June 4, 2020
    Applicant: Pfizer Inc.
    Inventors: Rebecca Anne Gallego, Sajiv Krishnan Nair, Robert Steven Kania, Omar Khaled Ahmad, Ted William Johnson, Jamison Bryce Tuttle, Mehran Jalaie, Michele Ann McTigue, Dahui Zhou, Matthew L. Del Bel, Ru Zhou, Mingying He
  • Publication number: 20100035871
    Abstract: Compounds of formula (I) or pharmaceutically acceptable salts thereof are provided, wherein each of Z, X, R1, R2, R3, R4, y, n, and Ar are as defined, and described in classes and subclasses herein, which are agonists or partial agonists of the 2C subtype of brain serotonin receptors. The compounds, and compositions thereof, are useful for treating a variety of central nervous system disorders such as schizophrenia.
    Type: Application
    Filed: October 24, 2007
    Publication date: February 11, 2010
    Inventors: Gary Paul Stack, Dahui Zhou, Nicole Theriault Hatzenbuhler
  • Publication number: 20090069370
    Abstract: The present invention provides a compound of formula I and the use thereof for the treatment of a central nervous system disorder related to or affected by the histamine-3 receptor.
    Type: Application
    Filed: September 11, 2008
    Publication date: March 12, 2009
    Applicant: Wyeth
    Inventors: Dahui Zhou, Jonathan Laird Gross, Albert Jean Robichaud
  • Publication number: 20090069300
    Abstract: The present invention provides a compound of formula I and the use thereof for the treatment of a central nervous system disorder related to or affected by the histamine-3 receptor.
    Type: Application
    Filed: September 11, 2008
    Publication date: March 12, 2009
    Applicant: Wyeth
    Inventors: Dahui Zhou, Jonathan Laird Gross, Albert Jean Robichaud
  • Publication number: 20080293771
    Abstract: The present invention provides a compound of formula I and the use thereof for the treatment of a central nervous system disorder related to or affected by the histamine-3 receptor
    Type: Application
    Filed: May 23, 2008
    Publication date: November 27, 2008
    Applicant: Wyeth
    Inventors: Dahui Zhou, Jean Yi-Ching Sze, Jonathan Laird Gross, Albert Jean Robichaud
  • Patent number: 7435837
    Abstract: Compounds of Formula 1 or pharmaceutically acceptable salts thereof are provided: which are agonists or partial agonists of the 2C subtype of brain serotonin receptors. The compounds, and compositions containing the compounds, can be used to treat a variety of central nervous system disorders such as schizophrenia.
    Type: Grant
    Filed: October 21, 2004
    Date of Patent: October 14, 2008
    Assignee: Wyeth
    Inventors: Jonathan Laird Gross, Marla Jean Williams, Gary Paul Stack, Hong Gao, Dahui Zhou
  • Patent number: 7419986
    Abstract: Compounds of the Formula: are useful for the treatment of depression (including but not limited to major depressive disorder, childhood depression and dysthymia), anxiety, panic disorder, post-traumatic stress disorder, premenstrual dysphoric disorder (also known as premenstrual syndrome), attention deficit disorder (with and without hyperactivity), obsessive compulsive disorder, social anxiety disorder, generalized anxiety disorder, obesity, eating disorders such as anorexia nervosa and bulimia nervosa, vasomotor flushing, cocaine and alcohol addiction, sexual dysfunction and related illnesses.
    Type: Grant
    Filed: August 31, 2006
    Date of Patent: September 2, 2008
    Assignee: Wyeth
    Inventors: Dahui Zhou, Gary Paul Stack
  • Publication number: 20080200541
    Abstract: Compounds of formula I or pharmaceutically acceptable salts thereof are provided: wherein each of R1, R1?, R2, R3, R4, n, and Ar are as defined, and described in classes and subclasses herein, which are agonists or partial agonists of the 2C subtype of brain serotonin receptors. The compounds, and compositions containing the compounds, can be used to treat a variety of central nervous system disorders such as schizophrenia.
    Type: Application
    Filed: April 18, 2008
    Publication date: August 21, 2008
    Applicant: Wyeth
    Inventors: Jonathan Laird Gross, Gary Paul Stack, Dahui Zhou, Hong Gao
  • Publication number: 20080182891
    Abstract: Compounds of formula I or pharmaceutically acceptable salts thereof are provided: wherein each of R1, R2, R3, R4, y, m, n, and Ar are as defined, and described in classes and subclasses herein, which are agonists or partial agonists of the 2C subtype of brain serotonin receptors. The compounds, and compositions containing the compounds, can be used to treat a variety of central nervous system disorders such as schizophrenia.
    Type: Application
    Filed: March 19, 2008
    Publication date: July 31, 2008
    Applicant: Wyeth
    Inventors: Gavin David Heffernan, Gary Paul Stack, Jonathan Laird Gross, Dahui Zhou, Hong Gao
  • Patent number: 7368477
    Abstract: Compounds of formula I or pharmaceutically acceptable salts thereof are provided: wherein each of R1, R1?, R2, R3, R4, n, and Ar are as defined, and described in classes and subclasses herein, which are agonists or partial agonists of the 2C subtype of brain serotonin receptors. The compounds, and compositions containing the compounds, can be used to treat a variety of central nervous system disorders such as schizophrenia.
    Type: Grant
    Filed: April 21, 2006
    Date of Patent: May 6, 2008
    Assignee: Wyeth
    Inventors: Jonathan Laird Gross, Gary Paul Stack, Dahui Zhou, Hong Gao
  • Patent number: 7365095
    Abstract: Compounds of formula I or pharmaceutically acceptable salts thereof are provided: wherein each of R1, R2, R3, R4, y, m, n, and Ar are as defined, and described in classes and subclasses herein, which are agonists or partial agonists of the 2C subtype of brain serotonin receptors. The compounds, and compositions containing the compounds, can be used to treat a variety of central nervous system disorders such as schizophrenia.
    Type: Grant
    Filed: April 21, 2006
    Date of Patent: April 29, 2008
    Assignee: Wyeth
    Inventors: Gavin David Heffernan, Gary Paul Stack, Jonathan Laird Gross, Dahui Zhou, Hong Gao
  • Patent number: 7335666
    Abstract: Compounds of the Formula: are useful for the treatment of depression (including but not limited to major depressive disorder, childhood depression and dysthymia), anxiety, panic disorder, post-traumatic stress disorder, premenstrual dysphoric disorder (also known as pre-menstrual syndrome), attention deficit disorder (with and without hyperactivity), obsessive compulsive disorder, social anxiety disorder, generalized anxiety disorder, obesity, eating disorders such as anorexia nervosa and bulimia nervosa, vasomotor flushing, cocaine and alcohol addiction, sexual dysfunction and related illnesses.
    Type: Grant
    Filed: August 31, 2006
    Date of Patent: February 26, 2008
    Assignee: Wyeth
    Inventors: Dahui Zhou, Gary Paul Stack
  • Publication number: 20080039639
    Abstract: Methods of preparing compounds of formula I or pharmaceutically acceptable salts thereof are provided: wherein each of R1, R2, R3, R4, x, m, n, and Ar are as defined, and described in classes and subclasses herein, which are agonists or partial agonists of the 2C subtype of brain serotonin receptors. The compounds, and compositions containing the compounds, can be used to treat a variety of central nervous system disorders such as schizophrenia.
    Type: Application
    Filed: April 18, 2007
    Publication date: February 14, 2008
    Applicant: Wyeth
    Inventors: Alexander Gontcharov, Antonia Nikitenko, Panolil Raveendranath, Chia-Cheng Shaw, Bogdan Wilk, Dahui Zhou
  • Publication number: 20070191417
    Abstract: Quinoline 3-amino chroman derivatives and compositions containing such compounds are disclosed. Methods for using the quinoline 3-amino chroman derivatives and compositions containing such compounds in the treatment of serotonin disorders are disclosed. Also disclosed are processes for preparing quinoline 3-amino chroman derivatives.
    Type: Application
    Filed: April 23, 2007
    Publication date: August 16, 2007
    Inventors: Nicole Hatzenbuhler, Dahui Zhou, Gary Stack, Jonathan Gross
  • Patent number: 7227023
    Abstract: Quinoline 3-amino chroman derivatives and compositions containing such compounds are disclosed. Methods for using the quinoline 3-amino chroman derivatives and compositions containing such compounds in the treatment of serotonin disorders are disclosed. Also disclosed are processes for preparing quinoline 3-amino chroman derivatives.
    Type: Grant
    Filed: April 29, 2004
    Date of Patent: June 5, 2007
    Assignee: Wyeth
    Inventors: Nicole Theriault Hatzenbuhler, Dahui Zhou, Gary Paul Stack, Jonathan Laird Gross
  • Publication number: 20070004702
    Abstract: Compounds of the Formula: are useful for the treatment of depression (including but not limited to major depressive disorder, childhood depression and dysthymia), anxiety, panic disorder, post-traumatic stress disorder, premenstrual dysphoric disorder (also known as pre-menstrual syndrome), attention deficit disorder (with and without hyperactivity), obsessive compulsive disorder, social anxiety disorder, generalized anxiety disorder, obesity, eating disorders such as anorexia nervosa and bulimia nervosa, vasomotor flushing, cocaine and alcohol addiction, sexual dysfunction and related illnesses.
    Type: Application
    Filed: August 31, 2006
    Publication date: January 4, 2007
    Applicant: WYETH
    Inventors: Dahui Zhou, Gary Stack