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: 7615524Abstract: 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: GrantFiled: July 30, 2004Date of Patent: November 10, 2009Assignee: The Procter & Gamble Co.Inventors: Valerio Del Duca, Mario Albanesi, Gina Isoldi
-
Patent number: 7351683Abstract: 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: GrantFiled: February 13, 2001Date of Patent: April 1, 2008Assignee: The Procter & Gamble CompanyInventors: Valerio Del Duca, Mario Albanesi, Gina Isoldi
-
Patent number: 7304023Abstract: A composition in a water-soluble pouch is provided.Type: GrantFiled: July 29, 2005Date of Patent: December 4, 2007Assignee: The Procter & Gamble CompanyInventors: Bruno Matthieu Dasque, Nicola Ethel Davidson, Francesco de Buzzaccarini, James Charles Theophile Roger Burckett-St. Laurent, Valerio Del Duca, Frank William DeNome
-
Patent number: 7229955Abstract: 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: GrantFiled: August 26, 2005Date of Patent: June 12, 2007Assignee: The Procter & Gamble CompanyInventors: Bruno Matthieu Dasque, Nicola Ethel Davidson, Francesco de Buzzaccarini, James Charles Theophile Roger Burckett-St. Laurent, Valerio Del Duca, Frank William DeNome
-
Patent number: 6995125Abstract: 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: GrantFiled: November 29, 2000Date of Patent: February 7, 2006Assignee: The Procter & Gamble CompanyInventors: Bruno Matthieu Dasque, Nicola Ethel Davidson, Francesco de Buzzaccarini, James Charles Theophile Roger Burckett-St Laurent, Valerio Del Duca, Frank William DeNome
-
Patent number: 6991747Abstract: 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: GrantFiled: March 11, 2003Date of Patent: January 31, 2006Assignee: Procter & Gamble CompanyInventors: Giuseppina Chiaradonna, Francesca Cicogna, Giovanni Ingrosso, Emanuela Franchi, Calogero Pinzino, Valerio Del Duca, Stefano Scialla
-
Publication number: 20050282725Abstract: 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: ApplicationFiled: August 26, 2005Publication date: December 22, 2005Applicant: The Procter & Gamble CompanyInventors: Bruno Dasque, Nicola Davidson, Francesco de Buzzaccarini, James Roger Burckett-St. Laurent, Valerio Del Duca, Frank DeNome
-
Publication number: 20050267005Abstract: 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: ApplicationFiled: July 29, 2005Publication date: December 1, 2005Applicant: The Procter & Gamble CompanyInventors: Bruno Dasque, Nicola Davidson, Francesco de Buzzaccarini, James Charles Burckett-St. Laurent, Valerio Del Duca, Frank DeNome
-
Publication number: 20050003992Abstract: 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: ApplicationFiled: July 30, 2004Publication date: January 6, 2005Inventors: Valerio Del Duca, Mario Albanesi, Gina Isoldi
-
Publication number: 20040097391Abstract: 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: ApplicationFiled: March 11, 2003Publication date: May 20, 2004Applicant: The Procter & Gamble CompanyInventors: Giuseppina Chiaradonna, Francesca Cicogna, Giovanni Ingrosso, Emanuela Franchi, Calogero Pinzino, Valerio Del Duca, Stefano Scialla
-
Publication number: 20040033921Abstract: 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: ApplicationFiled: May 14, 2003Publication date: February 19, 2004Inventors: Bruno Matthieu Dasque, Nicola Ethel Davidson, Francesco de Buzzaccarini, James Charles Theophile Roger Bruckett-St Laurent, Valerio Del Duca, Frank William DeNome
-
Publication number: 20030216274Abstract: 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: ApplicationFiled: October 24, 2002Publication date: November 20, 2003Inventors: Valerio Del Duca, Mario Albanesi, Gina Isoldi
-
Patent number: 6620774Abstract: 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: GrantFiled: May 26, 2001Date of Patent: September 16, 2003Assignee: The Procter & Gamble CompanyInventors: Valerio Del Duca, Andrea Esposito, Milena Leone
-
Publication number: 20030154556Abstract: 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: ApplicationFiled: January 30, 2003Publication date: August 21, 2003Inventors: Valerio Del Duca, Milena Leone, Alberto Scarmagnan, Mark Pieter Adria Van Der Heijden
-
Publication number: 20030148909Abstract: 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: ApplicationFiled: September 19, 2002Publication date: August 7, 2003Inventors: Valerio Del Duca, Milena Leone, Alberto Scarmagnan, Mark Pieter Andrie Van Der Heijden, Nabil Yakub Sakkab, Toan Trinh
-
Patent number: 6569826Abstract: 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: GrantFiled: April 17, 2002Date of Patent: May 27, 2003Assignee: The Procter & Gamble CompanyInventors: Giusepp Chiaradonna, Francesca Cicogna, Giovanni Ingrosso, Emanuela Franchi, Calogero Pinzino, Valerio Del Duca, Stefano Scialla
-
Patent number: 6566320Abstract: 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: GrantFiled: April 17, 2002Date of Patent: May 20, 2003Assignee: The Procter & Gamble CompanyInventors: Giusepp Chiaradonna, Frencesca Cicogna, Giovanni Ingrosso, Calogero Pinzino, Valerio Del Duca, Stefano Scialla
-
Patent number: 6551981Abstract: 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: GrantFiled: January 17, 2001Date of Patent: April 22, 2003Inventors: Patrizio Ricci, Brenda Frances Bennie, Christopher James Binder, Valerio Del Duca, Andrea Esposito
-
Patent number: 6528471Abstract: 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: GrantFiled: July 11, 2001Date of Patent: March 4, 2003Assignee: The Procter & Gamble CompanyInventors: Valerio Del Duca, Andrea Esposito, Milena Leone
-
Patent number: 6495501Abstract: 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: GrantFiled: June 19, 2000Date of Patent: December 17, 2002Assignee: The Procter & Gamble CompanyInventors: Valerio Del Duca, Stefano Giunti, Roberto Scaramella