Patents by Inventor Manel VAZQUEZ MARTINEZ

Manel VAZQUEZ MARTINEZ 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 Quinoxaline Derivatives
    Publication number: 20120004239
    Abstract: The present invention provides an improved process for preparing a compound of formula (IIIA), an intermediate of the synthesis of varenicline. Also, the present invention provides an improved process for preparing varenicline, or a pharmaceutically acceptable salt or solvate thereof. Furthermore, the present invention provides a process for decolorizing varenicline, or a salt or solvate thereof. Still further, the present invention provides a process of preparing varenicline L-tartrate with improved yield. Still further, the present invention relates to the use of compound of formula (V), or a salt or solvate thereof, as a reference marker and reference standard for assessing the purity of varenicline, or a salt or solvate thereof.
    Type: Application
    Filed: June 9, 2011
    Publication date: January 5, 2012
    Applicant: Medichem, S.A.
    Inventors: Nuria SOLDEVILLA MADRID, Manel VAZQUEZ MARTINEZ