Patents by Inventor Esterino Conca
Esterino Conca 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: 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
-
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
-
Patent number: 7939463Abstract: A process for producing a high surface area iron material, comprising predominantly low crystalline iron oxides, starting with a low surface area iron metal is disclosed. The iron material of the present invention has a surface area of at least about 200 m2/g, and is prepared via a method which comprises reacting a low surface area iron metal with oxygen and an organic acid. The high surface area iron material formed via this method is essentially free of contaminants.Type: GrantFiled: January 29, 2007Date of Patent: May 10, 2011Assignee: Sud-Chemie Inc.Inventors: Robert J. O'Brien, Samantha E. Sargent, Guido Petrini, Esterino Conca
-
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
-
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
-
Patent number: 7566680Abstract: A method for producing a high surface area iron material starting with a low surface area iron metal is disclosed. The iron material of the present invention has a surface area of at least about 200 m2/g, and is prepared via a method which comprises reacting a low surface area iron metal with oxygen and an organic acid. The high surface area iron material formed via this method is essentially free of contaminants.Type: GrantFiled: October 20, 2005Date of Patent: July 28, 2009Assignee: Sud-Chemie Inc.Inventors: Guido Petrini, Esterino Conca, Robert J. O'Brien, X.D. Hu, Samantha Sargent
-
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
-
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
-
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
-
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
-
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
-
Publication number: 20060101944Abstract: A method for producing a high surface area iron material starting with a low surface area iron metal is disclosed. The iron material of the present invention has a surface area of at least about 200 m2/g, and is prepared via a method which comprises reacting a low surface area iron metal with oxygen and an organic acid. The high surface area iron material formed via this method is essentially free of contaminants.Type: ApplicationFiled: October 20, 2005Publication date: May 18, 2006Inventors: Guido Petrini, Esterino Conca, Robert O'Brien, X.D. Hu, Samantha Sargent
-
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
-
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
-
Publication number: 20030175204Abstract: 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: March 12, 2003Publication date: September 18, 2003Inventors: Esterino Conca, Carlo Rubini, Guido Petrini
-
Patent number: 6184174Abstract: Catalysts for dehydrogenating ethylbenzene to styrene which comprise iron oxide, oxides of alkaline and alkaline-earth metals, oxides of the lanthanide series, oxides of metals of the sixth group, prepared from a paste of iron oxide impregnated with an aqueous solution of a cerium salt, treated with aqueous KOH and calcined, after drying, to preform potassium ferrate, to which the other components or precursors of the catalyst are then added.Type: GrantFiled: May 19, 1999Date of Patent: February 6, 2001Assignee: SUD Chemie MT S.R.L.Inventors: Carlo Rubini, Luigi Cavalli, Esterino Conca
-
Patent number: 6166280Abstract: Catalysts in the form of cylindrical hollow granules, suitable for the dehydrogenation of ethylbenzene to styrene, and comprising, as active component, ferric oxide and promoters chosen among oxides of alkaline or alkaline-earth metals, oxides of elements of the lanthanide series, and chromium, tungsten, and molybdenum oxides, characterized by the absence of macroporosities with a radius of more than 50,000 .ANG. and/or by high mechanical characteristics of resistance to axial breaking and to abrasion.Type: GrantFiled: March 10, 1997Date of Patent: December 26, 2000Assignee: Montecatini Technologies S.r.l.Inventors: Carlo Rubin, Luigi Cavalli, Esterino Conca