Patents by Inventor Marco Petri

Marco Petri 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).

  • Publication number: 20110253331
    Abstract: The present invention relates to a mixture comprising at least one fluorescent whitening agent and at least one chelating agent, a composition for the surface treatment of paper or cardboard comprising said mixture, a process for the treatment of paper or cardboard by means of said composition and paper or cardboard obtainable through said process.
    Type: Application
    Filed: April 12, 2011
    Publication date: October 20, 2011
    Applicant: 3V Sigma S.p.A.
    Inventors: Paolo ALIOLI, Ludwig Haas, Marco Petri
  • Patent number: 6436342
    Abstract: The present invention relates to the disinfection of surfaces with a liquid disinfecting composition including hydrogen peroxide, an antimicrobial essential oil, and a surfactant system.
    Type: Grant
    Filed: May 13, 1999
    Date of Patent: August 20, 2002
    Assignee: The Procter & Gamble Company
    Inventors: Marco Petri, Marina Trani
  • Patent number: 6114298
    Abstract: In its broadest embodiment the present invention relates to the use of a microemulsion comprising a surfactant, an aqueous phase and droplets dispersed in said aqueous phase, said droplets comprising an essential oil or an active thereof, and said droplets having a particle sized of less than 100 nanometers, for disinfecting a surface. The present invention further encompasses a microemulsion suitable for disinfecting a surface, comprising a surfactant, an aqueous phase comprising a bleach, and droplets dispersed in said aqueous phase, said droplets comprising an essential oil or an active thereof, and said droplets having a particle size of less than 100 nanometers.
    Type: Grant
    Filed: May 13, 1999
    Date of Patent: September 5, 2000
    Assignee: The Procter & Gamble Company
    Inventors: Marco Petri, Nicoletta Romano, Giadra Serego Allighieri, Marina Trani
  • Patent number: 6110883
    Abstract: The present invention relates to stable liquid aqueous cleaning compositions having a pH above 8, and comprising a zwitterionic surfactant, a peroxygen bleach, a radical scavenger, a chelating agent, a pH buffer, an antimicrobial essential oil, and a solvent.
    Type: Grant
    Filed: May 13, 1999
    Date of Patent: August 29, 2000
    Assignee: The Procter & Gamble Company
    Inventors: Marco Petri, Marina Trani
  • Patent number: 6096349
    Abstract: The present invention relates to the disinfection of surfaces with a liquid disinfecting composition comprising a peroxy bleach, an antimicrobial active of essential oil, and a shear thinning polymeric thickener.
    Type: Grant
    Filed: May 13, 1999
    Date of Patent: August 1, 2000
    Assignee: The Procter & Gamble Company
    Inventors: Marco Petri, Marina Trani
  • Patent number: 6066614
    Abstract: A cleaning composition is provided with effective cleaning performance and viscosity, said composition comprising a polycarboxylate polymer and a surfactant system containing a short chain surfactant and a long chain surfactant. The present invention further encompasses the use of a polycarboxylate polymer in a liquid cleaning composition.
    Type: Grant
    Filed: February 24, 1999
    Date of Patent: May 23, 2000
    Assignee: The Proctor & Gamble Company
    Inventors: Laura Orlandini, Marco Petri, Giuseppe Sirianni
  • Patent number: 6037318
    Abstract: An improved process for the manufacture of alkaline bleaching compositions, especially liquid and/or gel compositions of high solubility and low abrasiveness, useful to the consumer, especially as products for hard surface cleaning, bleaching or disinfectancy. The products are made by a three-stage process and comprise particular chlorine and bromine bleach sources and particular aminofunctional materials such as low-impurity sulfamate.
    Type: Grant
    Filed: November 13, 1998
    Date of Patent: March 14, 2000
    Assignee: The Procter & Gamble Company
    Inventors: Henry Cheng Na, Michael Charles Frazee, James Charles Theophile Roger Burckett St. Laurent, Kyle David Jones, Marco Petri
  • Patent number: 6015782
    Abstract: Process for manufacturing bleaching compositions comprising halogen bleach, a source of bromine and an organic or inorganic derived --NH.sub.2 compound whereby improved bleaching performance is obtained and compositions obtainable by said process.
    Type: Grant
    Filed: June 5, 1998
    Date of Patent: January 18, 2000
    Assignee: The Procter & Gamble Company
    Inventors: Marco Petri, Henry Cheng Na