Patents by Inventor Angelo Guimanini

Angelo Guimanini 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).

  • Diazo derivatives and process for their preparation
    Patent number: 6740741
    Abstract: Novel diazo derivatives useful for the deacidification of paper material and the process for their preparation comprising three steps starting from an amine and ethyl chlorocarbonate, are described.
    Type: Grant
    Filed: July 3, 2002
    Date of Patent: May 25, 2004
    Assignees: Consiglio Nazionale delle Ricerche, Universita'degli Studi di Udine
    Inventors: Antonio Zappala', Andrea Gorassini, Angelo Guimanini, Giancarlo Verardo
  • Novel diazo derivatives and process for their preparation
    Publication number: 20030065153
    Abstract: Novel diazo derivatives useful for the deacidification of paper material and the process for their preparation comprising three steps starting from an amine and ethyl chlorocarbonate, are described.
    Type: Application
    Filed: July 3, 2002
    Publication date: April 3, 2003
    Inventors: Antonio Zappala, Andrea Gorassini, Angelo Guimanini, Giancarlo Verardo
  • Method for the preservation of paper products
    Publication number: 20030059337
    Abstract: A method for the preservation of paper products, comprising the deacidification of the paper by using diazo derivatives is described.
    Type: Application
    Filed: July 3, 2002
    Publication date: March 27, 2003
    Inventors: Antonio Zappala', Andrea Gorassini, Angelo Guimanini, Giancarlo Verardo