Patents by Inventor Francesco Agostini

Francesco Agostini 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).

  • Hypochlorite bleaching compositions
    Patent number: 5914069
    Abstract: Liquid aqueous bleaching compositions are disclosed which comprise hypochlorite and a specific complexing agent or mixtures thereof selected from the group consisting of polycarboxylic acid derivatives of pyridine or the salts thereof. The compositions have a pH from 11-14 and preferably further comprise a calcium/magnesium precipitation system. The complexing agent counteracts the adverse affect which certain metal ions have on fabric strength and fabric color when hypochlorite bleaches are used in the presence of said ions.
    Type: Grant
    Filed: January 17, 1997
    Date of Patent: June 22, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Francesco Agostini, Giuseppe Caire
  • Hypochlorite bleaching compositions
    Patent number: 5843190
    Abstract: An aqueous liquid bleaching composition having improved fabric whitening and fabric safety performance, said composition consisting of an alkali metal hypochlorite, an alkali metal silicate, a strong source of alkalinity, and an alkali metal carbonate.
    Type: Grant
    Filed: January 17, 1997
    Date of Patent: December 1, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Francesco Agostini, Andrea Agostini, Giuseppe Trigiante