Patents by Inventor Roberto Curti

Roberto Curti 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 preparation of (±) 1-3-dioxolanes and the optical resolution thereof
    Patent number: 6916926
    Abstract: (±) 3-(4-Phenyl-1-piperazinyl)-1,2-propanediol cyclic acetals, a process for the optical resolution thereof and their use as intermediates for the preparation of (?) 3-(4-phenyl-1-piperazinyl)-1,2-propanediol (levodropropizine) and salts thereof are described herein.
    Type: Grant
    Filed: July 18, 2001
    Date of Patent: July 12, 2005
    Assignee: DOMPE S.p.A.
    Inventors: Marcello Allegretti, Maria Candida Cesta, Roberto Curti, Luca Nicolini
  • 1,3-dioxolanes with antitussive activity
    Patent number: 6835734
    Abstract: (S)-3-(4-Phenyl-1-piperazinyl)-1,2-propanediol cyclic acetals useful as antitussive agents and as intermediates for the preparation of levodropropizine and the salts thereof, as well as a process for the preparation of said acetals, are disclosed.
    Type: Grant
    Filed: May 12, 2003
    Date of Patent: December 28, 2004
    Assignee: Dompé S.p.A.
    Inventors: Marcello Allegretti, Maria Candida Cesta, Roberto Curti, Luigi Pellegrini, Gabriella Melillo
  • 1,3-dioxolanes with antitussive activity
    Publication number: 20040038989
    Abstract: (S)-3-(4-Phenyl-1-piperazinyl)-1,2-propanediol cyclic acetals useful as antitussive agents and as intermediates for the preparation of levodropropizine and the salts thereof, as well as a process for the preparation of said acetals, are disclosed.
    Type: Application
    Filed: May 12, 2003
    Publication date: February 26, 2004
    Inventors: Marcello Allegretti, Maria Candida Cesta, Roberto Curti, Luigi Pellegrini, Gabriella Melillo
  • 2,2-disubstituted 1,3-dioxolanes as antitussive agents
    Publication number: 20030176446
    Abstract: (±) 3-(4-Phenyl-1-piperazinyl)-1,2-propanediol cyclic acetals, a process for the optical resolution thereof and their use as intermediates for the preparation of (−) 3-(4-phenyl-1-piperazinyl)-1,2-propanediol (levodropropizine) and salts thereof.
    Type: Application
    Filed: May 13, 2003
    Publication date: September 18, 2003
    Inventors: Marcello Allegretti, Maria Candida Cesta, Roberto Curti, Luca Nicolini
  • Salts of 2-(3-benzoylphenyl) propionic acid with organic bases and pharmaceutical compositions thereof
    Patent number: 5808069
    Abstract: The salts of S(+) 2-(3-benzoylphenyl)propionic acid and of R(-) 2-(3-benzoylphenyl)propionic acid with an organic base such as D-lysine, L-lysine, L-arginine, (R) 3-(4-phenylpiperazin-1-yl)propane-1,2-diol and (S) 3-(4-phenylpiperazin-1-yl)propane-1,2-diol, the process for their preparation and the corresponding pharmaceutical compositions containing said salts are described.
    Type: Grant
    Filed: October 31, 1995
    Date of Patent: September 15, 1998
    Assignees: Dompe' Farmaceutici SpA, Dimpe' SpA
    Inventors: Enrico Bosone, Gaetano Clavenna, Carmelo Gandolfi, Marco Mantovanini, Roberto Curti
  • Pharmacologically active derivatives of 2-(benzimidazol-2-yl)-1,3-diaminopropane
    Patent number: 5436262
    Abstract: Derivatives of 2-(benzimidazol-2-yl)-1,3-diaminopropane, the process for their preparation as well as the pharmaceutical compositions containing them as active ingredients are described. The compounds exhibit anti-allergic activity.
    Type: Grant
    Filed: May 16, 1994
    Date of Patent: July 25, 1995
    Assignee: Dompe Farmaceutici SpA
    Inventors: Marco Mantovanini, Roberto Curti