Patents by Inventor Ignazio Prestifilippo

Ignazio Prestifilippo 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 procuction of aromatic urethanes
    Patent number: 5688988
    Abstract: A process is described for the preparation of aromatic urethanes in which organic carbonate in a stoichiometric quantity or in a quantity higher than the stoichiometric value is reacted with an aromatic amine operating in the presence of a carbamation catalyst, wherein this catalyst is selected from zinc and/or copper carbonate hydroxide.The process gives high yields and selectivity in the useful reaction product.
    Type: Grant
    Filed: June 27, 1996
    Date of Patent: November 18, 1997
    Assignee: Ministero dell'Universita' e della Ricerca Scientifica e Technologica
    Inventors: Aldo Bosetti, Pietro Cesti, Emanuele Cauchi, Ignazio Prestifilippo