Patents by Inventor Valerio Del Duca

Valerio Del Duca 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).

  • Patent number: 7615524
    Abstract: The present invention relates to laundry additive sachets. The sachets comprise at least two compartments and may comprise further compartments. At least one of the compartments comprises a liquid laundry additive composition.
    Type: Grant
    Filed: July 30, 2004
    Date of Patent: November 10, 2009
    Assignee: The Procter & Gamble Co.
    Inventors: Valerio Del Duca, Mario Albanesi, Gina Isoldi
  • Patent number: 7351683
    Abstract: The present invention relates to laundry additive sachets. The sachets comprise at least two compartments and may comprise further compartments. At least one of the compartments comprises a liquid laundry additive composition.
    Type: Grant
    Filed: February 13, 2001
    Date of Patent: April 1, 2008
    Assignee: The Procter & Gamble Company
    Inventors: Valerio Del Duca, Mario Albanesi, Gina Isoldi
  • Patent number: 7304023
    Abstract: A composition in a water-soluble pouch is provided.
    Type: Grant
    Filed: July 29, 2005
    Date of Patent: December 4, 2007
    Assignee: The Procter & Gamble Company
    Inventors: Bruno Matthieu Dasque, Nicola Ethel Davidson, Francesco de Buzzaccarini, James Charles Theophile Roger Burckett-St. Laurent, Valerio Del Duca, Frank William DeNome
  • Patent number: 7229955
    Abstract: A composition in a water-soluble pouch, the pouch comprises at least two compartments, and each compartment contains a different component of the composition, wherein a first compartment contains a first component and the first component comprises a liquid matrix and a source of peracid.
    Type: Grant
    Filed: August 26, 2005
    Date of Patent: June 12, 2007
    Assignee: The Procter & Gamble Company
    Inventors: Bruno Matthieu Dasque, Nicola Ethel Davidson, Francesco de Buzzaccarini, James Charles Theophile Roger Burckett-St. Laurent, Valerio Del Duca, Frank William DeNome
  • Patent number: 6995125
    Abstract: Compositions in a water-soluble pouch containing at least two compartments, each compartment containing a different component of the composition, where a first compartment contains a first component which contains a liquid matrix and a source of peracid.
    Type: Grant
    Filed: November 29, 2000
    Date of Patent: February 7, 2006
    Assignee: The Procter & Gamble Company
    Inventors: Bruno Matthieu Dasque, Nicola Ethel Davidson, Francesco de Buzzaccarini, James Charles Theophile Roger Burckett-St Laurent, Valerio Del Duca, Frank William DeNome
  • Patent number: 6991747
    Abstract: A new chromotropic compound, compositions containing such a compound and methods of using such compound, such as in a test method for identifying the presence of free radicals, are disclosed.
    Type: Grant
    Filed: March 11, 2003
    Date of Patent: January 31, 2006
    Assignee: Procter & Gamble Company
    Inventors: Giuseppina Chiaradonna, Francesca Cicogna, Giovanni Ingrosso, Emanuela Franchi, Calogero Pinzino, Valerio Del Duca, Stefano Scialla
  • Publication number: 20050282725
    Abstract: The present invention relates to a composition in a water-soluble pouch, said pouch comprises at least two compartments, and each compartment contains a different component of said composition, wherein a first compartment contains a first component and said first component comprises a liquid matrix and a source of peracid.
    Type: Application
    Filed: August 26, 2005
    Publication date: December 22, 2005
    Applicant: The Procter & Gamble Company
    Inventors: Bruno Dasque, Nicola Davidson, Francesco de Buzzaccarini, James Roger Burckett-St. Laurent, Valerio Del Duca, Frank DeNome
  • Publication number: 20050267005
    Abstract: The present invention relates to a composition in a water-soluble pouch, said pouch comprises at least two compartments, and each compartment contains a different component of said composition, wherein a first compartment contains a first component and said first component comprises a liquid matrix and a source of peracid.
    Type: Application
    Filed: July 29, 2005
    Publication date: December 1, 2005
    Applicant: The Procter & Gamble Company
    Inventors: Bruno Dasque, Nicola Davidson, Francesco de Buzzaccarini, James Charles Burckett-St. Laurent, Valerio Del Duca, Frank DeNome
  • Publication number: 20050003992
    Abstract: The present invention relates to laundry additive sachets. The sachets comprise at least two compartments and may comprise further compartments. At least one of the compartments comprises a liquid laundry additive composition.
    Type: Application
    Filed: July 30, 2004
    Publication date: January 6, 2005
    Inventors: Valerio Del Duca, Mario Albanesi, Gina Isoldi
  • Publication number: 20040097391
    Abstract: A new chromotropic compound, compositions containing such a compound and methods of using such compound, such as in a test method for identifying the presence of free radicals, are disclosed.
    Type: Application
    Filed: March 11, 2003
    Publication date: May 20, 2004
    Applicant: The Procter & Gamble Company
    Inventors: Giuseppina Chiaradonna, Francesca Cicogna, Giovanni Ingrosso, Emanuela Franchi, Calogero Pinzino, Valerio Del Duca, Stefano Scialla
  • Publication number: 20040033921
    Abstract: The present invention relates to a composition in a water-soluble pouch, said pouch comprises at least two compartments, and each compartment contains a different component of said composition, wherein a first compartment contains a first component and said first component comprises a liquid matrix and a source of peracid.
    Type: Application
    Filed: May 14, 2003
    Publication date: February 19, 2004
    Inventors: Bruno Matthieu Dasque, Nicola Ethel Davidson, Francesco de Buzzaccarini, James Charles Theophile Roger Bruckett-St Laurent, Valerio Del Duca, Frank William DeNome
  • Publication number: 20030216274
    Abstract: The present invention relates to laundry additive sachets. The sachets comprise at least two compartments and may comprise further compartments. At least one of the compartments comprises a liquid laundry additive composition.
    Type: Application
    Filed: October 24, 2002
    Publication date: November 20, 2003
    Inventors: Valerio Del Duca, Mario Albanesi, Gina Isoldi
  • Patent number: 6620774
    Abstract: The present invention relates to a liquid bleaching composition comprising a bleach and a substantially linear nonionic surfactant, whereby said substantially linear nonionic surfactant has the general formula: R—(A)x—(B)y—(C)z—O—R1 wherein: R is an even numbered C6 to C22 alkyl chain or a mixture thereof, containing at least 90% linear alkyl chains; A is an ethoxy unit; B is a butoxy unit; C is a propoxy unit; x, y and z are independent integers of from 0 to 20; the sum of x+y+z is at least 2, wherein when x is equal to or greater than 1. y+z is equal to or greater than 1; and R1 is H, a C6 to C22 alkyl chain or a C6 to C28 alkyl benzene chain. Furthermore, the present invention relates to the use of said substantially linear nonionic surfactant in a fabric bleaching composition comprising a bleach to treat a fabric whereby stain removal and/or bleaching benefits are provided.
    Type: Grant
    Filed: May 26, 2001
    Date of Patent: September 16, 2003
    Assignee: The Procter & Gamble Company
    Inventors: Valerio Del Duca, Andrea Esposito, Milena Leone
  • Publication number: 20030154556
    Abstract: The present invention relates to a process of treating fabrics with a liquid bleaching composition comprising at least 3% of a peroxygen bleach and a dye maintenance agent, wherein said process comprises the steps of contacting said fabrics with said liquid composition in its neat or diluted form and washing said fabrics with an aqueous bath comprising water and a conventional laundry detergent, preferably comprising at least one surface active agent, before and/or during and/or after the step of contacting said fabrics with said liquid composition.
    Type: Application
    Filed: January 30, 2003
    Publication date: August 21, 2003
    Inventors: Valerio Del Duca, Milena Leone, Alberto Scarmagnan, Mark Pieter Adria Van Der Heijden
  • Publication number: 20030148909
    Abstract: The present invention relates to a process of treating fabrics with a liquid bleaching composition comprising at least 3% of a peroxygen bleach and a dye maintenance agent, wherein said process comprises the steps of contacting said fabrics with said liquid composition in its neat or diluted form and washing said fabrics with an aqueous bath comprising water and a conventional laundry detergent, preferably comprising at least one surface active agent, before and/or during and/or after the step of contacting said fabrics with said liquid composition. The present invention also relates to articles of manufacture and methods for safely bleaching and/or removing stain from dark colored fabric. The article comprises a liquid bleach composition comprising peroxygen bleach and dye maintenance agent in a package and a set of instructions associated with the package. The method comprises the steps of providing a liquid bleach composition in a package; and providing a set of instructions associated with the package.
    Type: Application
    Filed: September 19, 2002
    Publication date: August 7, 2003
    Inventors: Valerio Del Duca, Milena Leone, Alberto Scarmagnan, Mark Pieter Andrie Van Der Heijden, Nabil Yakub Sakkab, Toan Trinh
  • Patent number: 6569826
    Abstract: A new chromotropic compound, compositions containing such a compound and methods of using such compound, such as in a test method for identifying the presence of free radicals, are disclosed.
    Type: Grant
    Filed: April 17, 2002
    Date of Patent: May 27, 2003
    Assignee: The Procter & Gamble Company
    Inventors: Giusepp Chiaradonna, Francesca Cicogna, Giovanni Ingrosso, Emanuela Franchi, Calogero Pinzino, Valerio Del Duca, Stefano Scialla
  • Patent number: 6566320
    Abstract: A bleaching composition that contains a bleaching agent and a chromotrophic radical scavenging compound, and a test method for identifying the presence of free radicals is disclosed. Such compositions offer improved stability.
    Type: Grant
    Filed: April 17, 2002
    Date of Patent: May 20, 2003
    Assignee: The Procter & Gamble Company
    Inventors: Giusepp Chiaradonna, Frencesca Cicogna, Giovanni Ingrosso, Calogero Pinzino, Valerio Del Duca, Stefano Scialla
  • Patent number: 6551981
    Abstract: A multi-phase detergent tablet for use in a washing machine, the tablet comprising: a) a first phase in the form of a shaped body having at least one mould therein; and b) a second phase in the form of a particulate solid compressed within the mould. The multi-phase tablets provide improved dissolution and cleaning characteristics together with excellent tablet integrity and strength.
    Type: Grant
    Filed: January 17, 2001
    Date of Patent: April 22, 2003
    Inventors: Patrizio Ricci, Brenda Frances Bennie, Christopher James Binder, Valerio Del Duca, Andrea Esposito
  • Patent number: 6528471
    Abstract: A process of treating fabrics comprises the steps of forming an aqueous bath comprising water, dissolving or dispersing a conventional laundry detergent therein, adding a liquid composition comprising a peroxygen bleach, a builder and a modified polycarboxylate co-builder and subsequently contacting said fabrics with said aqueous bath. Furthermore, the use of a builder and a modified polycarboxylate co-builder in a laundry additive comprising a peroxygen bleach to treat fabrics, whereby stain removal and/or bleaching benefits are provided, is also claimed.
    Type: Grant
    Filed: July 11, 2001
    Date of Patent: March 4, 2003
    Assignee: The Procter & Gamble Company
    Inventors: Valerio Del Duca, Andrea Esposito, Milena Leone
  • Patent number: 6495501
    Abstract: The present invention relates to a liquid composition suitable for bleaching and pretreating soiled fabrics. Such composition provides cleaning and color safety benefits that are especially noticeable when such composition is used as a prespotter. The present invention also relates to methods of using such composition to bleach or pretreat fabrics.
    Type: Grant
    Filed: June 19, 2000
    Date of Patent: December 17, 2002
    Assignee: The Procter & Gamble Company
    Inventors: Valerio Del Duca, Stefano Giunti, Roberto Scaramella