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).
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Patent number: 9610573Abstract: 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: GrantFiled: July 9, 2012Date of Patent: April 4, 2017Assignee: SOLVAY SAInventors: Gema Blanco Brieva, Jose Miguel Campos Martin, Jose Luis Garcia Fierro, Manuel Montiel Argaiz, Roberto Garaffa, Francine Janssens
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Patent number: 8932631Abstract: 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: GrantFiled: December 23, 2004Date of Patent: January 13, 2015Assignee: Solvay Solexis S.p.A.Inventors: Ugo Piero Bianchi, Roberto Garaffa
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Publication number: 20140154168Abstract: 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: ApplicationFiled: July 9, 2012Publication date: June 5, 2014Applicant: SOLVAY SAInventors: Gema Blanco Brieva, Jose Miguel Campos Martin, Jose Luis Garcia Fierro, Manuel Montiel Argaiz, Roberto Garaffa, Francine Janssens
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Patent number: 7943657Abstract: 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: GrantFiled: February 29, 2008Date of Patent: May 17, 2011Assignee: Solvay Solexis S.p.A.Inventors: Ugo Piero Bianchi, Roberto Garaffa
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Publication number: 20090269408Abstract: 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: ApplicationFiled: December 23, 2004Publication date: October 29, 2009Applicant: SOLVAY SOLEXIS S.P.A.Inventors: Ugo Piero Bianchi, Roberto Garaffa
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Patent number: 7468387Abstract: 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: GrantFiled: July 8, 2003Date of Patent: December 23, 2008Assignee: Solvay Solexis S.p.A.Inventors: Ugo Piero Bianchi, Roberto Garaffa
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Publication number: 20080234171Abstract: 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: ApplicationFiled: March 15, 2005Publication date: September 25, 2008Applicant: SOLVAY SOLEXIS S.P.A.Inventors: Ugo Piero Bianchi, Roberto Garaffa
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Publication number: 20080200364Abstract: 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: ApplicationFiled: September 6, 2006Publication date: August 21, 2008Applicant: Solvay SAInventors: Roberto Garaffa, Piera Verrocchio
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Publication number: 20080154046Abstract: 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: ApplicationFiled: February 29, 2008Publication date: June 26, 2008Applicant: SOLVAY SOLEXIS S.P.A.Inventors: Ugo Piero BIANCHI, Roberto Garaffa
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Publication number: 20070197419Abstract: 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: ApplicationFiled: March 15, 2005Publication date: August 23, 2007Inventors: Ugo Bianchi, Roberto Garaffa
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Publication number: 20050245590Abstract: 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: ApplicationFiled: July 8, 2003Publication date: November 3, 2005Applicant: SOLVAY SOLEXIS S.P.AInventors: Ugo Bianchi, Roberto Garaffa
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Patent number: 5487818Abstract: 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: GrantFiled: August 4, 1994Date of Patent: January 30, 1996Assignee: Ausimont S.p.A.Inventors: Claudio Cavallotti, Claudio Troglia, Roberto Garaffa
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Patent number: 5310934Abstract: 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: GrantFiled: February 19, 1993Date of Patent: May 10, 1994Assignee: Ausimont S.p.A.Inventors: Claudio Cavallotti, Claudio Troglia, Roberto Garaffa