Patents by Inventor Otello Faris

Otello Faris 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 regeneration of zeolite catalysts
    Patent number: 7115537
    Abstract: A process for the regeneration of a zeolitic catalyst which is at least partially exhausted by use in the synthesis of optionally substituted methylenedianiline (MDA) and derivatives thereof, or of a mixture of optionally substituted MDA and derivatives thereof, with a higher homologous product the process involving washing said catalyst with an aromatic compound having at least one substitutent on the aromatic ring having activating characteristics with respect to the electrophilic substitution, in liquid or at least partially liquid phase.
    Type: Grant
    Filed: June 22, 2001
    Date of Patent: October 3, 2006
    Assignee: Dow Global Technologies Inc.
    Inventors: Carlo Perego, Alberto De Angelis, Otello Faris, Aldo Bosetti
  • Process for the regeneration of zeolite catalysts
    Publication number: 20040092772
    Abstract: A process for the regeneration of a zeolitic catalyst which is at least partially exhausted by use in the synthesis of optionally substituted methylenedianiline (MDA) and derivatives thereof, or of a mixture of optionally substituted MDA and derivatives thereof, with a higher homologous product the process involving washing said catalyst with an aromatic compound having at least one substitutent on the aromatic ring having activating characteristics with respect to the electrophilic substitution, in liquid or at least partially liquid phase.
    Type: Application
    Filed: September 4, 2003
    Publication date: May 13, 2004
    Inventors: Carlo Perego, Alberto De Angelis, Otello Faris, Aldo Bosetti