Patents by Inventor Samuela Zambelli Franz

Samuela Zambelli Franz 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).

  • Resolution of 3-amino alkylnitriles
    Patent number: 7026345
    Abstract: The present invention relates to chiral N-acetyl-alpha-amino acid salts of optically active ?-amino alkylnitriles, and also to a process for preparing optically active ?-amino alkylnitriles by resolving racemic ?-amino alkylnitriles using chiral N-acetyl-alpha-amino acids as resolving agent.
    Type: Grant
    Filed: September 17, 2004
    Date of Patent: April 11, 2006
    Assignee: Pfizer Inc.
    Inventors: Juan Colberg, Samuela Zambelli Franz, Riccardo Motterle, Mariano Stivanello