Patents by Inventor Diego Peverali

Diego Peverali 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 the production of 1-(aminomethyl)-cyclohexyl-acetic acid in pure form
    Patent number: 6518456
    Abstract: A process for the production and purification of gabapentin, i.e. 1-(aminomethyl)cyclohexyl-acetic acid, which comprises hydrolysis of 2-aza-spiro[4.5]decan-3-one with HCl, treatment of the resulting product and filtration with acetone, dissolution in water at isoelectric pH and crystallization or digestion in the hot in mixtures of diisopropyl ether with ethanol or methanol.
    Type: Grant
    Filed: June 14, 2002
    Date of Patent: February 11, 2003
    Assignee: Procos S.p.A.
    Inventors: Diego Peverali, Mirco Fornaroli, Francesco Velardi