Patents by Inventor Roberto Garaffa

Roberto Garaffa 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: 9610573
    Abstract: A catalyst support comprising a material functionalized with at least one acid group and at least one halogen atom; and a supported catalyst comprising (i) a catalyst and (ii) the catalyst support comprising the functionalized material, as well as their uses in production of hydrogen peroxide. A process for producing hydrogen peroxide, comprising reacting hydrogen and oxygen in the presence of the supported catalyst comprising the functionalized material, optionally with the addition of an inert gas, in a reactor.
    Type: Grant
    Filed: July 9, 2012
    Date of Patent: April 4, 2017
    Assignee: SOLVAY SA
    Inventors: Gema Blanco Brieva, Jose Miguel Campos Martin, Jose Luis Garcia Fierro, Manuel Montiel Argaiz, Roberto Garaffa, Francine Janssens
  • Patent number: 8932631
    Abstract: Liquid formulations of imidoalkanepercarboxylic acids, in the form of aqueous dispersions comprising, in percentages by weight relative to the total weight of the composition: A) from ?7% to 40% and preferably from 10% to 20% of imidoalkanepercarboxylic acids having the general formula (I), the said imidoalkanepercarboxylic acids being in the ? form and having a dissolution time, determined via the test of the rate of dissolution at a temperature of 40° C. or 18° C., of not more than 5 minutes when determined at 40° C. or 15 minutes when determined at 18° C., for an amount of dissolved acid equal to 99% of the theoretical amount; B) from 0.001% to 0.9% of a nonionic surfactant; the said dispersions having a viscosity of not more than 2000 mPa·sec at 25° C. by applying a shear rate of 20 s?1; in which the dissolution time of the component A), determined via the test of the rate of dissolution at a temperature of 40° C. or 18° C., is not more than 5 minutes when determined at 40° C.
    Type: Grant
    Filed: December 23, 2004
    Date of Patent: January 13, 2015
    Assignee: Solvay Solexis S.p.A.
    Inventors: Ugo Piero Bianchi, Roberto Garaffa
  • Publication number: 20140154168
    Abstract: A catalyst support comprising a material functionalized with at least one acid group and at least one halogen atom; and a supported catalyst comprising (i) a catalyst and (ii) the catalyst support comprising the functionalized material, as well as their uses in production of hydrogen peroxide. A process for producing hydrogen peroxide, comprising reacting hydrogen and oxygen in the presence of the supported catalyst comprising the functionalized material, optionally with the addition of an inert gas, in a reactor.
    Type: Application
    Filed: July 9, 2012
    Publication date: June 5, 2014
    Applicant: SOLVAY SA
    Inventors: Gema Blanco Brieva, Jose Miguel Campos Martin, Jose Luis Garcia Fierro, Manuel Montiel Argaiz, Roberto Garaffa, Francine Janssens
  • Patent number: 7943657
    Abstract: Imidoalkancarboxylic acids of formula: are described, wherein A, X and M are as defined in the application, said acids being in a crystalline form which in contact with water gives rise to crystals having sizes lower than 30 micron.
    Type: Grant
    Filed: February 29, 2008
    Date of Patent: May 17, 2011
    Assignee: Solvay Solexis S.p.A.
    Inventors: Ugo Piero Bianchi, Roberto Garaffa
  • Publication number: 20090269408
    Abstract: Liquid formulations of imidoalkanepercarboxylic acids, in the form of aqueous dispersions comprising, in percentages by weight relative to the total weight of the composition: A) from ?7% to 40% and preferably from 10% to 20% of imidoalka-nepercarhoxylic acids having the general formula (I), the said imidoalkanepercarboxylic acids being in the ? form and having a dissolution time, determined via the test of the rate of dissolution at a temperature of 40° C. or 18° C., of not more than 5 minutes when determined at 40° C. or 15 minutes when determined at 18° C., for an amount of dissolved acid equal to 99% of the theoretical amount; B) from 0.001% to 0.9% of a nonionic surfactant; the said dispersions having a viscosity of not more than 2000 mPa·sec at 25° C. by applying a shear rate of 20 s?1; in which the dissolution time of the component A), determined via the test of the rate of dissolution at a temperature of 40° C. or 18° C., is not more than 5 minutes when determined at 40° C.
    Type: Application
    Filed: December 23, 2004
    Publication date: October 29, 2009
    Applicant: SOLVAY SOLEXIS S.P.A.
    Inventors: Ugo Piero Bianchi, Roberto Garaffa
  • Patent number: 7468387
    Abstract: Imidoalkancarboxylic acids of formula (I) are described, wherein A, X and M are as defined in the application, said acids being in a crystalline form which in contact with water gives rise to crystals having sizes lower than 30 micron.
    Type: Grant
    Filed: July 8, 2003
    Date of Patent: December 23, 2008
    Assignee: Solvay Solexis S.p.A.
    Inventors: Ugo Piero Bianchi, Roberto Garaffa
  • Publication number: 20080234171
    Abstract: Process for obtaining dilute aqueous solutions containing an amount of <7% by weight, expressed as a percentage by weight of imidoalkanepercarboxylic acids, starting with concentrated aqueous compositions of the said peracids in the ? form, the said concentrated compositions being obtained from the imidoalkanepercarboxylic acids in the ?-crystal form, the said process comprising the following steps: I) dilution of the concentrated aqueous composition of imidoalkanepercarboxylic acids (C) with an aqueous solution (D) having a pH of between 2 and 5, in a (C):(D) proportion, expressed in parts by weight, of between 0.1:10 and 10:0.2, working at temperatures of between 4° C. and 30° C.
    Type: Application
    Filed: March 15, 2005
    Publication date: September 25, 2008
    Applicant: SOLVAY SOLEXIS S.P.A.
    Inventors: Ugo Piero Bianchi, Roberto Garaffa
  • Publication number: 20080200364
    Abstract: Coated peroxycarboxylic acid granules, process for their preparation and their use in detergent, bleach or disinfection applications Coated peroxycarboxylic acid granules containing at least one coating layer of at least one non-reducing oligomeric saccharide can be prepared by contacting peroxycarboxylic acid granules with at least one coating agent containing at least one non-reducing oligomeric saccharide. These granules can be used in detergent, bleach or disinfection applications.
    Type: Application
    Filed: September 6, 2006
    Publication date: August 21, 2008
    Applicant: Solvay SA
    Inventors: Roberto Garaffa, Piera Verrocchio
  • Publication number: 20080154046
    Abstract: Imidoalkancarboxylic acids of formula: are described, wherein A, X and M are as defined in the application, said acids being in a crystalline form which in contact with water gives rise to crystals having sizes lower than 30 micron.
    Type: Application
    Filed: February 29, 2008
    Publication date: June 26, 2008
    Applicant: SOLVAY SOLEXIS S.P.A.
    Inventors: Ugo Piero BIANCHI, Roberto Garaffa
  • Publication number: 20070197419
    Abstract: Granular compositions of imidoalkanepercarboxylic acids in ? form, comprising the said peracids in an amount, expressed as a weight percentage, of from 5% to 80%; the said peracids being supported on supports with hydrophilic or hydrophobic characteristics; the said granular compositions being from 0.25 mm to 1.4 mm in size and having a dissolution time t90 of the peracid at 20° C. of less than ten minutes and preferably less than five minutes; the sum of the components indicated above and of those optionally present being 100%.
    Type: Application
    Filed: March 15, 2005
    Publication date: August 23, 2007
    Inventors: Ugo Bianchi, Roberto Garaffa
  • Publication number: 20050245590
    Abstract: Imidoalkancarboxylic acids of formula (I) are described, wherein A, X and M are as defined in the application, said acids being in a crystalline form which in contact with water gives rise to crystals having sizes lower than 30 micron.
    Type: Application
    Filed: July 8, 2003
    Publication date: November 3, 2005
    Applicant: SOLVAY SOLEXIS S.P.A
    Inventors: Ugo Bianchi, Roberto Garaffa
  • Patent number: 5487818
    Abstract: A process for separating phthalimido-peroxycaproic acid (PAP) from solutions in organic solvents, wherein the organic solvents have a solubility in water equal to or lower to 10% by weight, is provided. The process employs the following steps:(a) dispersing the solution in an aqueous medium to form a suspension;(b) bubbling an inert gas into the resulting suspension; and(c) recovering PAP from the suspension.
    Type: Grant
    Filed: August 4, 1994
    Date of Patent: January 30, 1996
    Assignee: Ausimont S.p.A.
    Inventors: Claudio Cavallotti, Claudio Troglia, Roberto Garaffa
  • Patent number: 5310934
    Abstract: Process for purifying phthalimido-peroxycaproic acid (PAP) from chlorinated solvents, by dissolving it in a polar and volatile solvent selected from alcohols, ketones and aliphatic esters, and a following crystallization thereof and solvent stripping.Preferred solvents are aliphatic esters, in particular ethyl acetate.
    Type: Grant
    Filed: February 19, 1993
    Date of Patent: May 10, 1994
    Assignee: Ausimont S.p.A.
    Inventors: Claudio Cavallotti, Claudio Troglia, Roberto Garaffa