Patents by Inventor Joan Gabriel Solsona Rocabert

Joan Gabriel Solsona Rocabert 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).

  • Preparation process of the sodium salt of esomeprazole
    Patent number: 8680284
    Abstract: A preparation process of esomeprazole sodium substantially free of sulfone impurity including the steps of: a) combining either esomeprazole with a (C3-C8)-ketone or a mixture thereof, a sodium alkoxide, and a (C1-C5)-alcohol, or esomeprazole sodium with a (C3-C8)-ketone or a mixture thereof and a (C1-C5)-alcohol; and b) recovering the esomeprazole sodium formed from the reaction media by filtration.
    Type: Grant
    Filed: February 11, 2011
    Date of Patent: March 25, 2014
    Assignee: Esteve Quimica, S.A.
    Inventors: Marti Bartra Sanmartí, Ramón Berenguer Maimó, Joan Gabriel Solsona Rocabert
  • PREPARATION PROCESS OF THE SODIUM SALT OF ESOMEPRAZOLE
    Publication number: 20120309976
    Abstract: A preparation process of esomeprazole sodium substantially free of sulfone impurity including the steps of: a) combining either esomeprazole with a (C3-C8)-ketone or a mixture thereof, a sodium alkoxide, and a (C1-C5)-alcohol, or esomeprazole sodium with a (C3-C8)-ketone or a mixture thereof and a (C1-C5)-alcohol; and b) recovering the esomeprazole sodium formed from the reaction media by filtration.
    Type: Application
    Filed: February 11, 2011
    Publication date: December 6, 2012
    Applicant: ESTEVE QUÍMICA, S.A.
    Inventors: Marti Bartra Sanmartí, Ramón Berenguer Maimó, Joan Gabriel Solsona Rocabert