Patents by Inventor Liu Jiageng

Liu Jiageng 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 preparing Moxifloxacin and salts thereof
    Patent number: 8207339
    Abstract: The present invention relates to a process for the synthesis of Moxifloxacin of Formula (I) and salts thereof by means of a process providing the coupling reaction of 1-cyclopropril-6,7-difluoro-1,4-dihydro-8-methoxy-4-oxo -3-quinolinic acid or ester thereof with (4aS, 7aS) -octahydro-1H-pyrrole[3,4-b]pyridine using a magnesium salt.
    Type: Grant
    Filed: March 18, 2011
    Date of Patent: June 26, 2012
    Assignee: F.I.S. Fabbrica Italiana Sintetici S.p.A.
    Inventors: Andrea Castellin, Pierluigi Padovan, Liu Jiageng, Yibo Zhou, Lin Feng
  • PROCESS FOR PREPARING MOXIFLOXACIN AND SALTS THEREOF
    Publication number: 20110230661
    Abstract: The present invention relates to a process for the synthesis of Moxifloxacin of Formula (I) and salts thereof by means of a process providing the coupling reaction of 1-cyclopropril-6,7-difluoro-1,4-dihydro-8-methoxy-4-oxo-3-quinolinic acid or ester thereof with (4aS, 7aS)-octahydro-1H-pyrrole[3,4-b]pyridine using a magnesium salt.
    Type: Application
    Filed: March 18, 2011
    Publication date: September 22, 2011
    Inventors: Andrea Castellin, Pierluigi Padovan, Liu Jiageng, Yibo Zhou, Lin Feng