Patents by Inventor Carlo Rubini
Carlo Rubini 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: 8574450Abstract: Highly pure iron oxides are prepared by reaction of metallic iron, in the form of microspheroidal particles or of scraps or cuttings, with an agitated aqueous solution of a mono- or polycarboxylic acid with a pKa of 0.5 to 6 relative to the first carboxyl and capable of decomposing, by heating in air at 200 to 350° C., to carbon dioxide and water, using 0.03 to 1.5 moles of acid per g-atoms of iron, a water/iron weight ration of 1 to 20, and by oxidation of the ferrous carboxilate to ferric salt, with an agent selected from oxygen, mixtures containing oxygen, hydrogen peroxide, organic peroxides and hydroperoxides.Type: GrantFiled: May 24, 2011Date of Patent: November 5, 2013Assignee: SUD Chemie MT S.r.l.Inventors: Esterino Conca, Carlo Rubini, Guido Petrini
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Publication number: 20110251054Abstract: Highly pure iron oxides are prepared by reaction of metallic iron, in the form of microspheroidal particles or of scraps or cuttings, with an agitated aqueous solution of a mono- or polycarboxylic acid with a pKa of 0.5 to 6 relative to the first carboxyl and capable of decomposing, by heating in air at 200 to 350° C., to carbon dioxide and water, using 0.03 to 1.5 moles of acid per g-atoms of iron, a water/iron weight ration of 1 to 20, and by oxidation of the ferrous carboxilate to ferric salt, with an agent selected from oxygen, mixtures containing oxygen, hydrogen peroxide, organic peroxides and hydroperoxides.Type: ApplicationFiled: May 24, 2011Publication date: October 13, 2011Applicant: SUD Chemie MT S.r.l.Inventors: Esterino Conca, Carlo Rubini, Guido Petrini
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Publication number: 20090324487Abstract: Highly pure iron oxides are prepared by reaction of metallic iron, in the form of microspheroidal particles or of scraps or cuttings, with an agitated aqueous solution of a mono- or polycarboxylic acid with a pKa of 0.5 to 6 relative to the first carboxyl and capable of decomposing, by heating in air at 200 to 350° C., to carbon dioxide and water, using 0.03 to 1.5 moles of acid per g-atoms of iron, a water/iron weight ration of 1 to 20, and by oxidation of the ferrous carboxilate to ferric salt, with an agent selected from oxygen, mixtures containing oxygen, hydrogen peroxide, organic peroxides and hydroperoxides.Type: ApplicationFiled: July 11, 2008Publication date: December 31, 2009Applicant: SUD Chemie MT S.r.l.Inventors: Esterino Conca, Carlo Rubini, Guido Petrini
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Patent number: 7572752Abstract: Process for preparing a catalyst for the oxidation of methanol to formaldehyde, comprising reacting iron powder and molybdenum trioxide in a Mo/Fe ratio from 1.5 to 5 in an aqueous suspension at temperatures from 20 to 100° C., and subsequently, optionally simultaneously, oxidizing the mixture with an oxidizing agent in a quantity equal to, or greater than the quantity required for the oxidation of the ferrous ion to ferric ion and to oxidize the molybdenum to the valence state 6.Type: GrantFiled: December 16, 2005Date of Patent: August 11, 2009Assignee: Sud-Chemie Catalysts Italia S.R.L.Inventors: Esterino Conca, Carlo Rubini, Marcello Marchi
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Patent number: 7468341Abstract: Catalysts for oxidation of methanol to formaldehyde, comprising a catalytic mixtures of Fe2(MoO4)3/MoO3, wherein the Mo/Fe atomic ratio ranges from 1.5 to 5, and a compound of cerium molybdenum and oxygen in a quantity from 0.1 to 10% by weight expressed as cerium.Type: GrantFiled: December 16, 2005Date of Patent: December 23, 2008Assignee: Sud-Chemie Catalysts Italia S.R.L.Inventors: Esterino Conca, Carlo Rubini, Marcello Marchi
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Patent number: 7442362Abstract: Highly pure iron oxides are prepared by reaction of metallic iron, in the form of microspheroidal particles or of scraps or cuttings, with an agitated aqueous solution of a mono- or polycarboxylic acid with a pKa of 0.5 to 6 relative to the first carboxyl and capable of decomposing, by heating in air at 200 to 350 ° C., to carbon dioxide and water, using 0.03 to 1.5 moles of acid per g-atoms of iron, a water/iron weight ration of 1 to 20, and by oxidation of the ferrous carboxilate to ferric salt, with an agent selected from oxygen, mixtures containing oxygen, hydrogen peroxide, organic peroxides and hydroperoxides.Type: GrantFiled: April 30, 2004Date of Patent: October 28, 2008Assignee: Sud Chemie MT S.r.l.Inventors: Esterino Conca, Carlo Rubini, Guido Petrini
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Patent number: 7199077Abstract: A Fischer-Tropsch catalyst comprising iron and at least one promoter is prepared via a method which comprises the preparation of a high purity iron precursor and which uses a nominal amount of water in the catalyst production. The catalyst particles prepared with the high purity iron precursor have an essentially spherical particle shape, a relatively narrow particle size distribution range, and a high surface area.Type: GrantFiled: May 15, 2002Date of Patent: April 3, 2007Assignee: Sud-Chemie Inc.Inventors: X. D Hu, Robert J. O'Brien, Richard Tuell, Esternio Conca, Carlo Rubini, Guido Petrini
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Publication number: 20060142619Abstract: Process for preparing a catalyst for the oxidation of methanol to formaldehyde, comprising reacting iron powder and molybdenum trioxide in a Mo/Fe ratio from 1.5 to 5 in an aqueous suspension at temperatures from 20 to 100° C., and subsequently, optionally simultaneously, oxidizing the mixture with an oxidizing agent in a quantity equal to, or greater than the quantity required for the oxidation of the ferrous ion to ferric ion and to oxidize the molybdenum to the valence state 6.Type: ApplicationFiled: December 16, 2005Publication date: June 29, 2006Applicant: SUD-CHEMIE CATALYSTS ITALIA S.R.L.Inventors: Esterino Conca, Carlo Rubini, Marcello Marchi
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Publication number: 20060135821Abstract: Catalysts for oxidation of methanol to formaldehyde, comprising a catalytic mixtures of Fe2(MoO4)3/MoO3, wherein the Mo/Fe atomic ratio ranges from 1.5 to 5, and a compound of cerium molybdenum and oxygen in a quantity from 0.1 to 10% by weight expressed as cerium.Type: ApplicationFiled: December 16, 2005Publication date: June 22, 2006Applicant: SUD-CHEMIE CATALYSTS ITALIA S.R.L.Inventors: Esterino Conca, Carlo Rubini, Marcello Marchi
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Publication number: 20060135371Abstract: Method for removing nitrogen oxides NOx from gas mixtures that contain them, comprising contacting of the gas mixtures with an absorbent material comprising compounds having formula CaCuO2 and/or Ca0.83CuO2 providing X-ray diffraction powder spectra that correspond, for the CaCuO2 compound, to JCPDS card 48-197 and, for the Ca0.83 CuO2, to JCPDS card 48-212, or mixtures of said compounds or compositions containing them.Type: ApplicationFiled: December 16, 2005Publication date: June 22, 2006Applicant: SUD-CHEMIE CATALYSTS ITALIA, S.R.L.Inventors: Esterino Conca, Carlo Rubini, Guido Petrini
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Patent number: 6833125Abstract: Oxidation catalysts for used in the full oxidation to CO2 and H2O of volatile organic compounds, such as hydrocarbons, comprising mixed oxides of copper, manganese and one or more rare-earth metals, wherein the metals can assume multiple valency states, having a percentage composition by weight, expressed as CuO, MnO and rare-earth oxides, in which the metal has the minimum value of 8-50%, 10-75% and 2-15%, respectively. The oxides are supported on inert porous inorganic oxides.Type: GrantFiled: December 8, 2003Date of Patent: December 21, 2004Assignee: SUD Chemie MT. S.r.l.Inventors: Alberto Cremona, Carlo Rubini, Edoardo Vogna
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Patent number: 6818581Abstract: A method for denitrification of water, in which the water to be denitrified is made to flow over a porous carrier which comprises a transition metal, preferably palladium, used in an amount between 0.01 and 5% by weight on the carrier and on which denitrifying bacterial strains capable of surviving in the presence of hydrogen are made to adhere, and in which hydrogen is used as a reducing agent and the pH of the reaction is adjusted to values of 4.5 to 7.8 preferably by using carbon dioxide.Type: GrantFiled: October 30, 2003Date of Patent: November 16, 2004Assignee: SUD Chemie MT S.r.l.Inventors: Antonio Pasquale, Carlo Rubini, Michele Rossi, Luigi Cavalli
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Publication number: 20040202606Abstract: Highly pure iron oxides are prepared by reaction of metallic iron, in the form of microspheroidal particles or of scraps or cuttings, with an agitated aqueous solution of a mono- or polycarboxylic acid with a pKa of 0.5 to 6 relative to the first carboxyl and capable of decomposing, by heating in air at 200 to 350° C., to carbon dioxide and water, using 0.03 to 1.5 moles of acid per g-atoms of iron, a water/iron weight ration of 1 to 20, and by oxidation of the ferrous carboxilate to ferric salt, with an agent selected from oxygen, mixtures containing oxygen, hydrogen peroxide, organic peroxides and hydroperoxides.Type: ApplicationFiled: April 30, 2004Publication date: October 14, 2004Applicant: SUD Chemie MT S.r.l.Inventors: Esterino Conca, Carlo Rubini, Guido Petrini
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Patent number: 6790274Abstract: Highly pure iron oxides are prepared by reaction of metallic iron, in the form of microspheroidal particles or of scraps or cuttings, with an agitated aqueous solution of a mono- or polycarboxylic acid with a pKa of 0.5 to 6 relative to the first carboxyl and capable of decomposing, by heating in air at 200 to 350° C., to carbon dioxide and water, using 0.03 to 1.5 moles of acid per g-atoms of iron, a water/iron weight ration of 1 to 20, and by oxidation of the ferrous carboxilate to ferric salt, with an agent selected from oxygen, mixtures containing oxygen, hydrogen peroxide, organic peroxides and hydroperoxides.Type: GrantFiled: March 12, 2003Date of Patent: September 14, 2004Assignee: SUD Ehemie MT S.r.L.Inventors: Esterino Conca, Carlo Rubini, Guido Petrini
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Publication number: 20040118759Abstract: A method for denitrification of water, in which the water to be denitrified is made to flow over a porous carrier which comprises a transition metal, preferably palladium, used in an amount between 0.01 and 5% by weight on the carrier and on which denitrifying bacterial strains capable of surviving in the presence of hydrogen are made to adhere, and in which hydrogen is used as a reducing agent and the pH of the reaction is adjusted to values of 4.5 to 7.8 preferably by using carbon dioxide.Type: ApplicationFiled: October 30, 2003Publication date: June 24, 2004Applicant: SUD Chemie MT S.R.L.Inventors: Antonio Pasquale, Carlo Rubini, Michele Rossi, Luigi Cavalli
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Publication number: 20040121904Abstract: Oxidation catalysts usable in particular in the full oxidation to CO2 and H2O of volatile organic compounds such as hydrocarbons comprising mixed oxides of copper, manganese and one or more rare-earth metals, wherein the metals can assume multiple valency states, having a percentage composition by weight, expressed as CuO, MnO and rare-earth oxides, in which the metal has the minimum value of 8-50%, 10-75% and 2-15%. The oxides are supported on inert porous inorganic oxides.Type: ApplicationFiled: December 8, 2003Publication date: June 24, 2004Applicant: SUD CHEMIE MT. S.R.L.Inventors: Alberto Cremona, Carlo Rubini, Edoardo Vogna
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Patent number: 6683021Abstract: Oxidation catalysts useful in the oxidation to CO2 and H2O of volatile organic compounds such as hydrocarbons comprising mixed oxides of copper, manganese and one or more rare-earth metals, wherein the metals can assume multiple valency states, having a percentage composition by weight, expressed as CuO, MnO and rare-earth oxides, in which the metal has the minimum value of 8-50%, 10-75% and 2-15%. The oxides are supported on inert porous inorganic oxides.Type: GrantFiled: October 1, 2001Date of Patent: January 27, 2004Assignee: SUD Chemie MT. S.R.L.Inventors: Alberto Cremona, Carlo Rubini, Edoardo Vogna
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Publication number: 20040009871Abstract: A Fischer-Tropsch catalyst comprising iron and at least one promoter is prepared via a method which comprises the preparation of a high purity iron precursor and which uses a nominal amount of water in the catalyst production. The catalyst particles prepared with the high purity iron precursor have an essentially spherical particle shape, a relatively narrow particle size distribution range, and a high surface area.Type: ApplicationFiled: May 29, 2003Publication date: January 15, 2004Inventors: X.D. Hu, Robert J. O'Brien, Richard Tuell, Esternio Conca, Carlo Rubini, Guido Petrini
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Patent number: 6669847Abstract: A method for denitrification of water, in which the water to be denitrified is made to flow over a porous carrier which comprises a transition metal, preferably palladium, used in an amount between 0.01 and 5% by weight on the carrier and on which denitrifying bacterial strains capable of surviving in the presence of hydrogen are made to adhere, and in which hydrogen is used as a reducing agent and the pH of the reaction is adjusted to values of 4.5 to 7.8 preferably by using carbon dioxide.Type: GrantFiled: July 20, 2001Date of Patent: December 30, 2003Assignee: Sud Chemie MT S.r.l.Inventors: Antonio Pasquale, Carlo Rubini, Michele Rossi, Luigi Cavalli
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Patent number: 6627777Abstract: Catalysts for the fluid-bed hydrodechlorination of carbon tetrachloride to chloroform having high catalytic stability and comprising platinum supported on microspheroidal gamma alumina, characterized in that the platinum is in the form of particles dispersed throughout the mass of the support.Type: GrantFiled: October 9, 2001Date of Patent: September 30, 2003Assignee: Sud Chemie MT S.R.L.Inventors: Michele Rossi, Carlo Rubini, Antonio Pasquale, Luigi Cavalli