Patents by Inventor Lorenzo Capitanio

Lorenzo Capitanio 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 preparation of trimellitic acid
    Patent number: 5250724
    Abstract: A very selective process for the catalytic air oxidation of pseudocumene to trimellitic acid. Manganese, cobalt, cerium and titanium in the presence of bromine are used as the catalyst.
    Type: Grant
    Filed: May 12, 1992
    Date of Patent: October 5, 1993
    Assignee: Alusuisse Italia S.p.A.
    Inventors: Carlo Fumagalli, Lorenzo Capitanio, Giancarlo Stefani
  • Catalyst for the preparation of phthalic anhydride
    Patent number: 4489204
    Abstract: A catalyst for the preparation of phthalic anhydride is disclosed which comprises a carrier having an open arcuate configuration, e.g. in the form of half rings, and an active portion including V.sub.2 O.sub.5 and porous TiO.sub.2 with the pores having mostly a radius in the 500 to 1,500 .ANG. range. Also described is a method of preparing phthalic anhydride which utilizes this catalyst.
    Type: Grant
    Filed: December 27, 1982
    Date of Patent: December 18, 1984
    Assignee: Alusuisse Italia S.p.A.
    Inventors: Amleto Neri, Lorenzo Capitanio, Giancarlo Stefani
  • Catalyst for the preparation of phthalic anhydride
    Patent number: 4405505
    Abstract: A catalyst for the preparation of phthalic anhydride is disclosed which comprises a carrier having an open arcuate configuration, e.g. in the form of half rings, and an active portion including V.sub.2 O.sub.5 and porous TiO.sub.2 with the pores having mostly a radius in the 500 to 1,500 A range.
    Type: Grant
    Filed: March 25, 1981
    Date of Patent: September 20, 1983
    Assignee: Alusuisse Italia S.p.A.
    Inventors: Amleto Neri, Lorenzo Capitanio, Giancarlo Stefani