Patents by Inventor Massimo Leoni

Massimo Leoni 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 and new intermediates for the preparation of steroids with a progestogen activity
    Patent number: 7667056
    Abstract: The present invention relates to a new process of synthesis and to some new intermediates for the preparation of steroids with progestogen activity, more particularly, for the preparation of Desogestrel of formula (I). Said process is characterized by the regioselective reduction of the compound of formula (II) to give the intermediate of formula (III).
    Type: Grant
    Filed: July 31, 2003
    Date of Patent: February 23, 2010
    Assignee: Poli Industria Chimica S.p.A.
    Inventors: Paride Grisenti, Fabio Pecora, Elisa Verza, Massimo Leoni, Laura Bossi
  • Process and new intermediates for the preparation of steroids with a progestogen activity
    Publication number: 20050234251
    Abstract: The present invention relates to a new process of synthesis and to some new intermediates for the preparation of steroids with progestogen activity, more particularly, for the preparation of Desogestrel of formula (1). Said process is characterized by the regioselective reduction of the compound of formula (II) to give the intermediate of formula (III).
    Type: Application
    Filed: July 31, 2003
    Publication date: October 20, 2005
    Applicant: Poli Industria Chemica SPA
    Inventors: Paride Grisenti, Fabio Pecora, Elisa Verza, Massimo Leoni, Laura Bossi
  • Antibiotic producing microbe
    Patent number: 5801020
    Abstract: A novel, cyclosporin-producing microbe is described. A process for the production of cyclosporin, comprising culturing the novel microbe and recovering the desired form of cyclosporin produced, is described.
    Type: Grant
    Filed: March 5, 1997
    Date of Patent: September 1, 1998
    Assignee: Poli Industria Chimica, S.p.A.
    Inventors: Enrico Casareto, Massimo Leoni, Enrico Ronzio, Ambrogio Magni
  • Antibiotic producing microbe
    Patent number: 5747330
    Abstract: A novel, cyclosporin-producing microbe is described. A process for the production of cyclosporin, comprising culturing the novel microbe and recovering the desired form of cyclosporin produced, is described.
    Type: Grant
    Filed: June 5, 1996
    Date of Patent: May 5, 1998
    Assignee: Poli Industria Chimica
    Inventors: Enrico Casareto, Massimo Leoni, Enrico Ronzio, Ambrogio Magni