Patents by Inventor Guiseppe Trigiante

Guiseppe Trigiante 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).

  • Granular bleaching compositions
    Patent number: 5703031
    Abstract: A granular laundry composition is disclosed which comprises a source of available-oxygen, a stabilizer like chelant together with an alkali metal salt of silicate. Such compositions allow to produced wash solutions wherein the bleaching activity is retained upon longer periods of time. Optionally said compositions may further comprise a soil suspender and be formulated so as to allow to keep the pH of the wash solution below 9.5 and thereby boost the cleaning performance on particulate soil (clay).
    Type: Grant
    Filed: March 12, 1996
    Date of Patent: December 30, 1997
    Assignee: Procter & Gamble Company
    Inventors: Marina Trani, Guiseppe Trigiante, Ellie Marie Frasier