Patents by Inventor Fabrizio Roncaglia

Fabrizio Roncaglia 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 gabapentin
    Patent number: 8143443
    Abstract: A process for preparing gabapentin of formula 1, which comprises Formula (I) converting 1-allyl-cyclohexanecarboxaldehyde into 1-allyl-cyclohexanecarbonitrile; ozonizing 1-allyl-cyclohexanecarbonitrile to obtain 1-cyano-cyclohexaneacetaldehyde; acetalizing 1-cyano-cyclohexaneacetaldehyde with a suitable acetalizing agent to give the corresponding acetal and converting the latter into gabapentin.
    Type: Grant
    Filed: June 29, 2007
    Date of Patent: March 27, 2012
    Assignee: ZaCh System S.p.A.
    Inventors: Franco Ghelfi, Livius Cotarca, Fabrizio Roncaglia, Roberto Giovanetti, Andrea Nicoli
  • PROCESS FOR PREPARING GABAPENTIN
    Publication number: 20100029983
    Abstract: A process for preparing gabapentin of formula 1, which comprises Formula (I) converting 1-allyl-cyclohexanecarboxaldehyde into 1-allyl-cyclohexanecarbonitrile; ozonizing 1-allyl-cyclohexanecarbonitrile to obtain 1-cyano-cyclohexaneacetaldehyde; acetalizing 1-cyano-cyclohexaneacetaldehyde with a suitable acetalizing agent to give the corresponding acetal and converting the latter into gabapentin.
    Type: Application
    Filed: June 29, 2007
    Publication date: February 4, 2010
    Inventors: Franco Ghelfi, Livius Cotarca, Fabrizio Roncaglia, Roberto Giovanetti, Andrea Nicoli