Patents by Inventor Cinzia Fontana

Cinzia Fontana 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).

  • Hard surface cleaners
    Patent number: 6511953
    Abstract: The invention concerns hard surface cleaning compositions comprising a halogen bleaching agent and a surfactant system, wherein the surfactant system consists of or comprises at least one ethoxylated nonionic surfactant carrying a terminal OH group in an amount of more than 0.2% by weight of the composition and the composition comprises a buffer system to maintain the pH at or above 11.5. The surfactant system preferably comprises a mixture of anionic and nonionic surfactants. The compositions preferably additionally comprise an abrasive.
    Type: Grant
    Filed: February 20, 2001
    Date of Patent: January 28, 2003
    Assignee: Unilever Home & Personal Care USA, a division of Conopco, Inc.
    Inventors: Cinzia Fontana, Luciano Novita