Patents by Inventor Pierre Antoine Dresco

Pierre Antoine Dresco 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 of treating carpets with a composition comprising a brightener
    Publication number: 20040016059
    Abstract: The present invention relates to a process of treating a carpet by applying a liquid composition onto a carpet using a manually or electrically operated spraying device wherein the composition contains a brightener.
    Type: Application
    Filed: July 17, 2002
    Publication date: January 29, 2004
    Applicant: The Procter & Gamble Company
    Inventors: Pierre Antoine Dresco, Fabio Lumino, Stefano Scialla
  • Process of bleaching fabrics
    Patent number: 6586382
    Abstract: The present invention relates to a process of treating a fabric with a neat bleaching composition comprising a peroxygen bleach and a high molecular weight polymer. Such bleaching composition provides bleaching benefits and enhanced fabric safety. The present invention also relates to a method of reducing the evaporation of a bleaching composition's solvent.
    Type: Grant
    Filed: April 5, 2001
    Date of Patent: July 1, 2003
    Assignee: The Procter & Gamble Company
    Inventors: Stefano Scialla, Pierre Antoine Dresco
  • Bleaching compositions
    Patent number: 6537958
    Abstract: The present invention relates to a process for preparing a pre-formed peroxycarboxylic acid and a bleaching comprising same. These compositions are suitable to deliver improved bleaching performance while also being safe to color and fabric. Furthermore the compositions herein are also chemically and physically stable upon prolonged periods of storage time.
    Type: Grant
    Filed: May 10, 2001
    Date of Patent: March 25, 2003
    Assignee: The Procter & Gamble Company
    Inventors: Gloria Di Capua, Pierre Antoine Dresco, Stefano Scialla
  • Bleaching compositions
    Patent number: 6509308
    Abstract: The present invention relates to a bleaching comprising a pre-formed peroxycarboxylic acid having solubility in an aqueous composition of from 50 ppm to 800 ppm. These compositions are suitable to deliver improved bleaching performance whilst also being safe to color and fabric. Furthermore the compositions herein are also chemically and physically stable upon prolonged periods of storage time.
    Type: Grant
    Filed: May 7, 2001
    Date of Patent: January 21, 2003
    Assignee: The Procter & Gamble Company
    Inventors: Francesco De Buzzaccarini, Michael Eugene Burns, Pierre Antoine Dresco, Stefano Scialla
  • Bleaching compositions
    Patent number: 6489282
    Abstract: The present invention relates to a bleaching composition comprising a peroxy carboxylic acid and a polymer system. The compositions are suitable to deliver improved bleaching performance whilst also being safe to colour and fabric. Furthermore, the compositions herein are also chemically and physically stable upon prolonged periods of storage time.
    Type: Grant
    Filed: May 7, 2001
    Date of Patent: December 3, 2002
    Assignee: The Procter & Gamble Company
    Inventors: Gloria Di Capua, Pierre Antoine Dresco, Stefano Scialla
  • Bleaching compositions
    Patent number: 6440921
    Abstract: The present invention relates to a bleaching composition comprising a pre-formed peroxycarboxylic acid and a surfactant system comprising at least two surfactants. These compositions are stable to deliver improved bleaching performance while also being safe to color and fabric. Furthermore, the compositions herein are also chemically and physically stable upon prolonged periods of storage time.
    Type: Grant
    Filed: May 7, 2001
    Date of Patent: August 27, 2002
    Assignee: The Procter & Gamble Company
    Inventors: Gloria Di Capua, Pierre Antoine Dresco, Stefano Scialla