Patents by Inventor Zhuqing Liu

Zhuqing Liu 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).

  • PROCESS FOR MAKING BETA 3 AGONISTS AND INTERMEDIATES
    Publication number: 20150087832
    Abstract: The present invention is directed to processes for preparing beta 3 agonists of Formula (I) and Formula (II) and their intermediates. The beta 3 agonists are useful in the treatment of certain disorders, including overactive bladder, urinary incontinence, and urinary urgency.
    Type: Application
    Filed: October 22, 2012
    Publication date: March 26, 2015
    Applicant: MERCK SHARP & DOHME, CORP.
    Inventors: John Y.L. Chung, Kevin Campos, Edward Cleator, Robert F. Dunn, Andrew Gibson, R. Scott Hoerrner, Stephen Keen, Dave Liebermann, Zhuqing Liu, Joseph Lynch, Kevine M. Maloney, Feng Xu, Nobuyoshi Yasuda, Naoki Yoshikawa, Yong-Li Zhong
  • Hemi-phorboxazole A derivatives and methods of their use
    Patent number: 8957097
    Abstract: The present invention is directed to hemi phorboxazole A: and its stereoisomers, as well as derivatives of hemi phorboxazole A of formula I: wherein ring A is aryl or a 5- or 6-membered heteroaryl optionally substituted with one or more of halogen, —OH, or —C1-6alkyl; and R is —CN, a 5- or 6-membered heteroaryl, or halogen; and the pharmaceutically acceptable salt forms thereof, in addition to methods of using these compounds.
    Type: Grant
    Filed: July 23, 2010
    Date of Patent: February 17, 2015
    Assignees: The Trustees Of The University Of Pennsylvania, The Regents Of The University Of California
    Inventors: Amos B. Smith, III, Zhuqing Liu, Anne-Marie L. Hogan, Doralyn S. Dalisay, Tadeusz F. Molinski
  • PROCESS FOR MAKING BETA 3 AGONISTS AND INTERMEDIATES
    Publication number: 20140242645
    Abstract: The present invention is directed to a process for preparing a compound of formula I-11 through multiple-step reactions.
    Type: Application
    Filed: October 22, 2012
    Publication date: August 28, 2014
    Inventors: John Y.L. Chung, Kevin Campos, Edward Cleator, Robert F. Dunn, Andrew Gibson, R Scott Hoerrner, Stephen Keen, Dave Lieberman, Zhuqing Liu, Joseph Lynch, Kevin M. Maloney, Feng Xu, Nobuyoshi Yasuda, Naoki Yoshikawa, Yong-Li Zhong
  • HEMI-PHORBOXAZOLE A DERIVATIVES AND METHODS OF THEIR USE
    Publication number: 20130030027
    Abstract: The present invention is directed to hemi phorboxazole A: and its stereoisomers, as well as derivatives of hemi phorboxazole A of formula I: wherein ring A is aryl or a 5- or 6-membered heteroaryl optionally substituted with one or more of halogen, —OH, or —C1-6alkyl; and R is —CN, a 5- or 6-membered heteroaryl, or halogen; and the pharmaceutically acceptable salt forms thereof, in addition to methods of using these compounds.
    Type: Application
    Filed: July 23, 2010
    Publication date: January 31, 2013
    Applicants: The Regents of the University of California, The Trustes of The University of Pennsylvania
    Inventors: Amos B. Smith, III, Zhuqing Liu, Anne-Marie L. Hogan, Doralyn S. Dalisay, Tadeusz F. Molinski
  • Inhibitors of Human Cathepsin L, Cathepsin B, and Cathepsin S
    Publication number: 20110207726
    Abstract: The present invention is directed to novel protease inhibitors that are specific for cathepsin L, cathepsin B, and cathepsin S. Accordingly, the present invention encompasses compositions and methods for treating and preventing diseases and disorders associated with cathepsin L, cathepsin B, or cathepsin S function or activity.
    Type: Application
    Filed: April 17, 2009
    Publication date: August 25, 2011
    Inventors: Scott L. Diamond, Mary Pat Beavers, Donna Huryn, Michael C. Myers, Amos B. Smith, Parag P. Shah, Zhuqing Liu