Patents by Inventor Chiara Bertolotti

Chiara Bertolotti 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 resolution of racemic verapamil
    Patent number: 7803962
    Abstract: A new process is described for the resolution of racemic verapamil, which allows the desired enantiomer to be obtained in high yields and with high enantiomeric purity. The process uses optically active 2,3-bis[(2-fluorobenzoyl)oxy]butanedioic acid as the resolving agent, and a water/dimethylformamide or water/acetonitrile or water/methanol mixture, as the reaction solvent.
    Type: Grant
    Filed: June 3, 2008
    Date of Patent: September 28, 2010
    Assignee: Cosma S.p.A.
    Inventors: Chiara Bertolotti, Massimiliano Lussana, Enrica Pizzatti, Enrico Vigano', Ernesto Landonio
  • Process for the resolution of racemic verapamil
    Publication number: 20080306296
    Abstract: A new process is described for the resolution of racemic verapamil, which allows the desired enantiomer to be obtained in high yields and with high enantiomeric purity. The process uses optically active 2,3-bis[(2-fluorobenzoyl)oxy]butanedioic acid as the resolving agent, and a water/dimethylformamide or water/acetonitrile or water/methanol mixture, as the reaction solvent.
    Type: Application
    Filed: June 3, 2008
    Publication date: December 11, 2008
    Inventors: Chiara Bertolotti, Massimiliano Lussana, Enrica Pizzatti, Enrico Vigano, Ernesto Landonio