Patents by Inventor Ronnie Cheung

Ronnie Cheung 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).

  • Hydrochloride salts of a glycopeptide-cephalosporin antbiotic compond
    Patent number: 9161990
    Abstract: The present invention relates to a compound of formula I: wherein x is in the range of from about 1 to about 2. The invention also relates to pharmaceutical compositions containing such compounds; processes for preparing such compounds; and methods of using such compounds to, for example, treat a bacterial infection.
    Type: Grant
    Filed: March 6, 2014
    Date of Patent: October 20, 2015
    Assignee: Theravance Biopharma Antibiotics IP, LLC
    Inventors: Weijiang Zhang, Ronnie Cheung, Dimitar Filipov, Jack Green, Junning Lee
  • HYDROCHLORIDE SALTS OF AN ANTIBIOTIC COMPOUND
    Publication number: 20140274877
    Abstract: The present invention relates to a compound of formula I: wherein x is in the range of from about 1 to about 2. The invention also relates to pharmaceutical compositions containing such compounds; processes for preparing such compounds; and methods of using such compounds to, for example, treat a bacterial infection.
    Type: Application
    Filed: March 6, 2014
    Publication date: September 18, 2014
    Applicant: THERAVANCE, INC.
    Inventors: Weijiang Zhang, Ronnie Cheung, Dimitar Filipov, Jack Green, Junning Lee