Patents by Inventor Carlo Tognoni

Carlo Tognoni 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 protecting and lubricating surfaces subjected to friction and wear
    Patent number: 4842939
    Abstract: Process for the protection and lubrication of surfaces subjected to friction and wear in magnetic recording media, by application of a coating of a polyurethane containing polyoxyfluoroalkylene blocks.
    Type: Grant
    Filed: October 30, 1986
    Date of Patent: June 27, 1989
    Inventors: Mario A. Scarati, Alberto Re, Carlo Tognoni, Piero Gavezotti
  • Process for lubricating accessories of cassettes containing magnetic tapes
    Patent number: 4746575
    Abstract: Process for protecting magnetic tapes, during their operation, from the friction and wear caused by the contact with accessories, either or not metallic, forming the cassette which contains said tapes, characterized in that said accessories are lubricated with a neutral perfluoropolyethereal fluid or with a perfluoropolyethereal fluid having functional groups at one or both ends of the polymeric chain.
    Type: Grant
    Filed: July 1, 1986
    Date of Patent: May 24, 1988
    Assignee: Ausimont S.p.A.
    Inventors: Mario A. Scarati, Carlo Tognoni, Piero Giunti, Luigi Salvioli, Gian M. Sigismondi