Patents by Inventor Alfonso D'Alfonso

Alfonso D'Alfonso 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 alkylation of secondary aliphatic amines in the presence of an amide of a transition metal
    Patent number: 4110377
    Abstract: A process for the alkylation of secondary aliphatic amines is provided which consists of reacting a secondary aliphatic amine with at least one hydrogen on the alpha carbon atom of the amino group with an olefine in the presence of an amide of a transition metal.
    Type: Grant
    Filed: September 7, 1977
    Date of Patent: August 29, 1978
    Assignee: ANIC S.p.A.
    Inventors: Mario G. Clerici, Federico Maspero, Alfonso D'Alfonso