Patents by Inventor Lingxiang Rao

Lingxiang Rao 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).

  • Dabigatran etexilate and related substances, processes and compositions, and use of the substances as reference standards and markers
    Patent number: 9086390
    Abstract: The present invention relates to dabigatran etexilate and related substances and use of the substances as reference standards and markers. There are also provided processes of detecting the substances in samples of dabigatran etexilate, or pharmaceutically acceptable salts or solvates thereof, and also for analyzing the purity of samples of dabigatran etexilate, or pharmaceutically acceptable salts or solvates thereof. There are still further provided processes of preparing dabigatran etexilate and related substances, and pharmaceutical compositions containing the same.
    Type: Grant
    Filed: May 10, 2012
    Date of Patent: July 21, 2015
    Assignee: Medichem, S.A.
    Inventors: Judit Serra Miralles, Ernesto Durán López, Lingxiang Rao
  • DABIGATRAN ETEXILATE AND RELATED SUBSTANCES, PROCESSES AND COMPOSITIONS, AND USE OF THE SUBSTANCES AS REFERENCE STANDARDS AND MARKERS
    Publication number: 20140076036
    Abstract: The present invention relates to dabigatran etexilate and related substances and use of the substances as reference standards and markers. There are also provided processes of detecting the substances in samples of dabigatran etexilate, or pharmaceutically acceptable salts or solvates thereof, and also for analyzing the purity of samples of dabigatran etexilate, or pharmaceutically acceptable salts or solvates thereof. There are still further provided processes of preparing dabigatran etexilate and related substances, and pharmaceutical compositions containing the same.
    Type: Application
    Filed: May 10, 2012
    Publication date: March 20, 2014
    Applicant: Medichem S.A.
    Inventors: Judit Serra Miralles, Ernesto Durán López, Lingxiang Rao