Patents by Inventor Ettore Camera

Ettore Camera 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 selective preparation of isosorbide-2-mononitrate from isosorbide-2,5-dinitrate
    Patent number: 4777274
    Abstract: A process for the preparation of isosorbide-2-mononitrate (I) ##STR1## from isosorbide-2,5-dinitrate (II) ##STR2## The isosorbide-2,5-dinitrate (II) is treated, in a reaction medium consisting of an aqueous organic solvent, with salts of metals of low oxidation state.Isosorbide-2-mononitrate (I) is obtained with high selectivity.
    Type: Grant
    Filed: November 7, 1986
    Date of Patent: October 11, 1988
    Assignee: Consiglio Nazionale Delle Ricerche - Dinamite Spa
    Inventors: Ottorino De Lucchi, Fabiola Filipuzzi, Giorgio Modena, Ettore Camera
  • Process for the preparation of isosorbide-5-mononitrate
    Patent number: 4713466
    Abstract: A selective process for the preparation of isosorbide-5-mononitrate (I) ##STR1## from isosorbide-2,5-dinitrate (II) ##STR2## Said preparation is carried out by treating isosorbide-2,5-dinitrate with a suitable reduction system in the presence of not easily oxidizable coordinating metal ions.
    Type: Grant
    Filed: May 12, 1986
    Date of Patent: December 15, 1987
    Assignees: Consiglio Nazionale Delle Richerche, Dinamite
    Inventors: Ottorino De Lucchi, Fabiola Filippuzzi, Giorgio Modena, Ettore Camera