Patents by Inventor Alessandro Spreafico

Alessandro Spreafico 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).

  • Continuous process for the alkylation of cyclic tertiary amines
    Patent number: 8865903
    Abstract: A continuous process for the alkylation of tertiary amines and, in particular, to a continuous process for the quaternization of cyclic tertiary amines useful for the preparation of cyclic quaternary ammonium salts with high purity is described.
    Type: Grant
    Filed: November 21, 2012
    Date of Patent: October 21, 2014
    Assignee: Cerbios-Pharma SA
    Inventors: Andrea Mereu, Moreno Morosoli, Mauro Perseghini, Alessandro Spreafico
  • Process for the preparation of 1-amino-3,5-dimethyladamantane hydrochloride
    Publication number: 20060173215
    Abstract: A process for the preparation of memantine hydrochloride, intermediates thereof and its hydrochloric acid form are provided.
    Type: Application
    Filed: January 11, 2006
    Publication date: August 3, 2006
    Inventors: Valeriano Merli, Silvia Mantovani, Paola Daverio, Stefano Bianchi, Alessandro Spreafico