Patents by Inventor Bruna Perfili

Bruna Perfili 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).

  • Colored bleaching composition
    Patent number: 7842655
    Abstract: Liquid bleaching composition comprising a hypohalite bleach, a trimethoxy benzoic acid or a salt thereof, a pigment and/or a dye and an alkali metal salt of silicate, an alkali metal periodate or mixture thereof and the process for treating a surface using said composition.
    Type: Grant
    Filed: April 23, 2009
    Date of Patent: November 30, 2010
    Assignee: The Procter & Gamble Company
    Inventors: Vincenzo Guida, Bruna Perfili, Luca Sarcinelli
  • COLORED BLEACHING COMPOSITION
    Publication number: 20090265862
    Abstract: Liquid bleaching composition comprising a hypohalite bleach, a trimethoxy benzoic acid or a salt thereof, a pigment and/or a dye and an alkali metal salt of silicate, an alkali metal periodate or mixture thereof and the process for treating a surface using said composition.
    Type: Application
    Filed: April 23, 2009
    Publication date: October 29, 2009
    Inventors: Vincenzo Guida, Bruna Perfili, Luca Sarcinelli