Patents by Inventor Zehua Zheng

Zehua Zheng 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).

  • Publication number: 20220274985
    Abstract: The present disclosure provides methods for preparing (R)-2-((2-amino-7-fluoropyrido[3,2-d]pyrimidin-4-yl)amino)-2-methylhexan-1-ol or a salt thereof and related key intermediates.
    Type: Application
    Filed: February 16, 2022
    Publication date: September 1, 2022
    Inventors: Andrea Ambrosi, Florence J. Bachrach, Pavel R. Badalov, Stephen P. Lathrop, Jeffrey E. Merit, Beau P. Pritchett, Christopher S. Regens, Tiago Vieira, Adam B. Weinstein, Todd A. Wenderski, Zehua Zheng
  • Patent number: 11286257
    Abstract: The present disclosure provides methods for preparing (R)-2-((2-amino-7-fluoropyrido[3,2-d]pyrimidin-4-yl)amino)-2-methylhexan-1-ol or a salt thereof and related key intermediates.
    Type: Grant
    Filed: June 25, 2020
    Date of Patent: March 29, 2022
    Assignee: Gilead Sciences, Inc.
    Inventors: Andrea Ambrosi, Florence J. Bachrach, Pavel R. Badalov, Stephen P. Lathrop, Jeffrey E. Merit, Beau P. Pritchett, Christopher S. Regens, Tiago Vieira, Adam B. Weinstein, Todd A. Wenderski, Zehua Zheng
  • Publication number: 20210017170
    Abstract: The present disclosure provides methods for preparing (R)-2-((2-amino-7-fluoropyrido[3,2-d]pyrimidin-4-yl)amino)-2-methylhexan-1-ol or a salt thereof and related key intermediates.
    Type: Application
    Filed: June 25, 2020
    Publication date: January 21, 2021
    Inventors: Evangelos Aktoudianakis, Andrea Ambrosi, Sylvie M. Asselin, Florence J. Bachrach, Pavel R. Badalov, Gregory F. Chin, Stephen P. Lathrop, Willard Lew, Richard L. Mackman, Jeffrey E. Merit, Samuel E. Metobo, Michael R. Mish, Beau P. Pritchett, Hyung-Jung Pyun, Christopher S. Regens, Tiago Vieira, Xianghong Wang, Adam B. Weinstein, Todd A. Wenderski, Zehua Zheng