Patents by Inventor Domenico Sanfilippo

Domenico Sanfilippo 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: 20160216050
    Abstract: A bimetallic tube consisting of at least one tubular element in a first metal resistant to the corrosive and/or erosive action of a process fluid with which it is put in contact, having at least one end, or an area close to an end, externally coated with a layer of a second metal, different from the first and more suitable, with respect to this, for being seal-welded to a support. Tube bundle equipment to be used for thermal exchange operations at high temperatures and pressures, under conditions of high aggressiveness of the process fluids, wherein the tube bundle comprises at least one tube having the above characteristics. Said equipment is particularly used as a heat exchanger and decomposer, for example as a stripper, in the cycle of urea synthesis processes where there are conditions of high pressure, high temperatures, high aggressiveness of the process fluids, and in which the tube bundle consists of at least one tube having the above characteristics.
    Type: Application
    Filed: April 1, 2016
    Publication date: July 28, 2016
    Applicant: SNAMPROGETTI S.p.A.
    Inventors: Alessandro GIANAZZA, Luca MAIRANO, Giuseppe MERELLI, Domenico SANFILIPPO
  • Patent number: 9341419
    Abstract: A bimetallic tube consisting of at least one tubular element in a first metal resistant to the corrosive and/or erosive action of a process fluid with which it is put in contact, having at least one end, or an area close to an end, externally coated with a layer of a second metal, different from the first and more suitable, with respect to this, for being seal-welded to a support. Tube bundle equipment to be used for thermal exchange operations at high temperatures and pressures, under conditions of high aggressiveness of the process fluids, wherein the tube bundle comprises at least one tube having the above characteristics. Said equipment is particularly used as a heat exchanger and decomposer, for example as a stripper, in the cycle of urea synthesis processes where there are conditions of high pressure, high temperatures, high aggressiveness of the process fluids, and in which the tube bundle consists of at least one tube having the above characteristics.
    Type: Grant
    Filed: June 12, 2007
    Date of Patent: May 17, 2016
    Assignee: SNAMPROGETTI S.p.A.
    Inventors: Alessandro Gianazza, Luca Mairano, Giuseppe Merelli, Domenico Sanfilippo
  • Publication number: 20150225312
    Abstract: A process is described for the separation of C5 hydrocarbons present, in a quantity ranging from 0.2 to 20% by weight, in streams prevalently containing C4 products used for the production of high-octane hydrocarbon compounds, by the selective dimerization of isobutene, characterized in that the dimerization reaction is carried out in the presence of linear and branched alcohols and alkyl ethers in a quantity which is such as to have a molar ratio alcohols/alkyl ethers/isobutene in the feeding higher than 0.01.
    Type: Application
    Filed: January 5, 2015
    Publication date: August 13, 2015
    Applicant: SNAMPROGETTI S.p.A.
    Inventors: Marco DI GIROLAMO, Domenico Sanfilippo, Massimo Conte
  • Patent number: 8518337
    Abstract: Tube-bundle equipment for heat exchange operations at high pressures and temperatures, under conditions of high aggressiveness of the process fluids, comprising a titanium lining (11) and a series of tubes (1) consisting of at least one layer of zirconium (2), positioned in contact with said fluids, wherein the tube plate on which said tubes are inserted comprises an outer layer (S) of zirconium or an alloy thereof and an underlying layer (5) of titanium welded to the lining of the equipment. Said equipment is particularly used as a heat exchanger, for example as a stripper, in the high-pressure cycle of urea syntheses processes.
    Type: Grant
    Filed: July 13, 2009
    Date of Patent: August 27, 2013
    Assignee: SAIPEM S.p.A.
    Inventors: Domenico Sanfilippo, Luca Mairano, Alessandro Gianazza, Lino Carlessi
  • Publication number: 20130123536
    Abstract: Tube-bundle equipment for heat exchange operations at high pressures and temperatures, under conditions of high aggressiveness of the process fluids, comprising a titanium lining (11) and a series of tubes (1) consisting of at least one layer of zirconium (2), positioned in contact with said fluids, wherein the tube plate on which said tubes are inserted comprises an outer layer (S) of zirconium or an alloy thereof and an underlying layer (5) of titanium welded to the lining of the equipment. Said equipment is particularly used as a heat exchanger, for example as a stripper, in the high-pressure cycle of urea syntheses processes.
    Type: Application
    Filed: July 13, 2009
    Publication date: May 16, 2013
    Applicant: SAIPEM S.p.A.
    Inventors: Domenico Sanfilippo, Luca Mairano, Alessandro Gianazza, Lino Carlessi
  • Patent number: 8134039
    Abstract: A process is described for the production of high-octane hydrocarbon compounds by means of the selective dimerization of isobutene, in the presence of C5 hydrocarbons and oxygenated compounds (branched alcohols or alternatively blends of linear or branched alcohols and alkyl ethers) characterized in that it utilizes a catalytic distillation as second reaction step.
    Type: Grant
    Filed: November 14, 2006
    Date of Patent: March 13, 2012
    Assignee: Snamprogetti S.p.A.
    Inventors: Marco Di Girolamo, Domenico Sanfilippo, Massimo Conte
  • Patent number: 7829753
    Abstract: Catalytic system for partial oxidation reactions of hydrocarbons characterized in that it contains: one or more metals belonging to the 1st, 2nd, and 3rd transition series; one or more elements of group IIIA, IVA or VA, wherein at least one of said metals or said elements is in the form of a nitride.
    Type: Grant
    Filed: February 19, 2008
    Date of Patent: November 9, 2010
    Assignee: Saipem S.p.A.
    Inventors: Luca Basini, Domenico Sanfilippo, Alessandra Guarinoni
  • Patent number: 7595427
    Abstract: Process for production of styrene by dehydrogenation of ethylbenzene in a reactor system comprising a dehydrogenation reactor and a fast riser catalyst regenerator.
    Type: Grant
    Filed: May 17, 2004
    Date of Patent: September 29, 2009
    Assignee: Snamprogetti S.p.A.
    Inventors: Domenico Sanfilippo, Ivano Miracca, Guido Capone, Vincenzino Fantinuoli
  • Patent number: 7473668
    Abstract: Process for the catalytic dehydrogenation of alkylaromatic hydrocarbons optionally mixed with ethane which comprises: A) dehydrogenating the hydrocarbon stream, optionally mixed with an inert gas, in a fluid bed reactor in the presence of a catalytic composition based on gallium and manganese supported on alumina modified with silica, at a temperature ranging from 400 to 700° C., at a total pressure ranging from 0.1 to 3 ata and with a GHSV (Gas Hourly Space Velocity) ranging from 50 to 10,000 h?1; and B) regenerating and heating the catalyst, by means of the catalytic oxidation of a fuel, in a fluid bed regenerator at a temperature higher than 400° C.
    Type: Grant
    Filed: December 18, 2002
    Date of Patent: January 6, 2009
    Assignee: Snamprogetti S.p.A.
    Inventors: Andrea Bartolini, Domenico Sanfilippo, Rodolfo Iezzi
  • Publication number: 20080300439
    Abstract: A process is described for the separation of C5 hydrocarbons present, in a quantity ranging from 0.2 to 20% by weight, in streams prevalently containing C4 products used for the production of high-octane hydrocarbon compounds, by the selective dimerization of isobutene, characterized in that the dimerization reaction is carried out in the presence of linear and branched alcohols and alkyl ethers in a quantity which is such as to have a molar ratio alcohols/alkyl ethers/isobutene in the feeding higher than 0.01.
    Type: Application
    Filed: November 13, 2006
    Publication date: December 4, 2008
    Applicant: Snamprogetti S.p.A
    Inventors: Marco Di Girolamo, Domenico Sanfilippo, Massimo Conte
  • Publication number: 20080242909
    Abstract: A process is described for the production of high-octane hydrocarbon compounds by means of the selective dimerization of isobutene, in the presence of C5 hydrocarbons and oxygenated compounds (branched alcohols or alternatively blends of linear or branched alcohols and alkyl ethers) characterized in that it utilizes a catalytic distillation as second reaction step.
    Type: Application
    Filed: November 14, 2006
    Publication date: October 2, 2008
    Applicant: SNAMPROGETTI S.P.A.
    Inventors: Marco Di Girolamo, Domenico Sanfilippo, Massimo Conte
  • Patent number: 7404942
    Abstract: Process for the production of hydrogen and the co-production of carbon dioxide in separate streams comprising the following operations: feeding of a solid to a first reaction zone (R1) in which a liquid or gaseous hydrocarbon, preferably natural gas or methane, is also fed, which reacts with the solid fed at its maximum oxidation degree (over-oxidized form), leading to the formation of the combustion products carbon dioxide and water and the solid at its minimum oxidation degree (reduced form); feeding of the solid in reduced form to a second reaction zone (R2) into which water is also fed, which reacts with the reduced form of the solid, producing hydrogen, steam and the solid at an intermediate oxidation degree (oxidized form); feeding of the solid in oxidized form to a third reaction zone (R3) into which air is also fed, obtaining, from the further oxidation of the solid, heat and the solid in over-oxidized form to be recycled to the first reaction zone (R1), wherein the solid contains at least one element
    Type: Grant
    Filed: May 29, 2007
    Date of Patent: July 29, 2008
    Assignees: ENI S.p.A., Enitecnologie S.p.A., Snamprogetti S.p.A.
    Inventors: Domenico Sanfilippo, Franco Mizia, Alberto Malandrino, Stefano Rossini
  • Publication number: 20080139862
    Abstract: Catalytic system for partial oxidation reactions of hydrocarbons characterized in that it contains: one or more metals belonging to the 1st, 2nd, and 3rd transition series; one or more elements of group IIIA, IVA or VA, wherein at least one of said metals or said elements is in the form of a nitride.
    Type: Application
    Filed: February 19, 2008
    Publication date: June 12, 2008
    Applicant: SNAMPROGETTI S.p.A.
    Inventors: Luca Basini, Domenico Sanfilippo, Alessandra Guarinoni
  • Publication number: 20080093064
    Abstract: A bimetallic tube consisting of at least one tubular element in a first metal resistant to the corrosive and/or erosive action of a process fluid with which it is put in contact, having at least one end, or an area close to an end, externally coated with a layer of a second metal, different from the first and more suitable, with respect to this, for being seal-welded to a support. Tube bundle equipment to be used for thermal exchange operations at high temperatures and pressures, under conditions of high aggressiveness of the process fluids, wherein the tube bundle comprises at least one tube having the above characteristics. Said equipment is particularly used as a heat exchanger and decomposer, for example as a stripper, in the cycle of urea synthesis processes where there are conditions of high pressure, high temperatures, high aggressiveness of the process fluids, and in which the tube bundle consists of at least one tube having the above characteristics.
    Type: Application
    Filed: June 12, 2007
    Publication date: April 24, 2008
    Applicant: SNAMPROGETTI S.p.A.
    Inventors: Alessandro Gianazza, Luca Mairano, Giuseppe Merelli, Domenico Sanfilippo
  • Publication number: 20070258878
    Abstract: Process for the production of hydrogen and the co-production of carbon dioxide in separate streams comprising the following operations: feeding of a solid to a first reaction zone (R1) in which a liquid or gaseous hydrocarbon, preferably natural gas or methane, is also fed, which reacts with the solid fed at its maximum oxidation degree (over-oxidized form), leading to the formation of the combustion products carbon dioxide and water and the solid at its minimum oxidation degree (reduced form); feeding of the solid in reduced form to a second reaction zone (R2) into which water is also fed, which reacts with the reduced form of the solid, producing hydrogen, steam and the solid at an intermediate oxidation degree (oxidized form); feeding of the solid in oxidized form to a third reaction zone (R3) into which air is also fed, obtaining, from the further oxidation of the solid, heat and the solid in over-oxidized form to be recycled to the first reaction zone (R1), wherein the solid contains at least en one elem
    Type: Application
    Filed: May 29, 2007
    Publication date: November 8, 2007
    Applicants: ENI S.p.A., ENITECNOLOGIE S.p.A., SNAMPROGETTI S.p.A.
    Inventors: Domenico SANFILIPPO, Franco Mizia, Alberto Malandrino, Stefano Rossini
  • Patent number: 7235113
    Abstract: Use of a liquid oxygenated product with a cetane number higher than 50, consisting of one or more compounds selected from dialkyl-polyformals represented by the formula RO(CH2O)mR wherein R is an alkyl chain CnH2n+1, m is an integer equal to or higher than 2, n is an integer between 1 and 10, as a substitute of gas oil in diesel engines.
    Type: Grant
    Filed: November 20, 2003
    Date of Patent: June 26, 2007
    Assignees: ENI S.p.A., Snamprogetti S.p.A.
    Inventors: Domenico Sanfilippo, Renata Patrini, Mario Marchionna
  • Publication number: 20070123744
    Abstract: Catalytic system for partial oxidation reactions of hydro-carbons characterized in that it contains: one or more metals belonging to the 1st, 2nd, and 3rd transition series; one or more elements of group IIIA, IVA or VA, wherein at least one of said metals or said elements is in the form of a nitride.
    Type: Application
    Filed: November 17, 2006
    Publication date: May 31, 2007
    Applicant: SNAMPROGETTI S.p.A.
    Inventors: Luca Basini, Domenico Sanfilippo, Alessandra Guarinoni
  • Patent number: 7163647
    Abstract: Process for the production of synthesis gas from heavy charges comprising a partial oxidation of heavy charges with oxygen or air enriched in oxygen in the presence of vapour, carried out at temperatures higher than 1000° C. and pressures equal to or higher than 20 atm and the subsequent cooling of the synthesis gas obtained, by the direct injection of water into the gas itself followed by the separation of the water effected by means of an adduction pipe surrounded by a concentric tube open at both ends so as to form a ring through which the cooled gas and water can rise, characterized in that the distance (L) between the lower end of the adduction pipe and the lower end of the open concentric tube must be equal to or higher than x times the diameter (D) of said lower end of the adduction pipe, wherein x varies in relation to the specific gas mass flow-rate (F), expressed in kg/h/cm2, according to the equation x=0.026 F+0.15.
    Type: Grant
    Filed: July 23, 2003
    Date of Patent: January 16, 2007
    Assignee: Snamprogetti S.p.A.
    Inventors: Domenico Sanfilippo, Ivano Miracca
  • Publication number: 20050232859
    Abstract: Process for the production of hydrogen and the co-production of carbon dioxide in separate streams comprising the following operations: feeding of a solid to a first reaction zone (R1) in which a liquid or gaseous hydrocarbon, preferably natural gas or methane, is also fed, which reacts with said solid fed at its maximum oxidation degree (over-reduced form), leading to the formation of the combustion products carbon dioxide and water and the solid at its minimum oxidation degree (reduced form); feeding of the solid in reduced form to a second reaction zone (R2) into which water is also fed, which reacts with said reduced form of the solid, producing hydrogen, steam and the solid at an intermediate oxidation degree (oxidized form); feeding of the solid in oxidized form to a third reaction zone (R3) into which air is also fed, obtaining, from the further oxidation of the solid, heat and the solid in over-oxidized form to be recycled to the first reaction zone (R1), wherein said solid contains at least on e
    Type: Application
    Filed: March 22, 2005
    Publication date: October 20, 2005
    Applicants: ENI S.p.A., ENITECNOLOGIE S.p.A., SNAMPROGETTI S.p.A.
    Inventors: Domenico Sanfilippo, Franco Mizia, Alberto Malandrino, Stefano Rossini
  • Publication number: 20050177016
    Abstract: Reactor-regenerator device, comprising at least one reactor for catalytic dehydrogenation reactions of hydrocarbons and at least one regenerator of the catalyst of the “fast riser” type wherein the regenerator-riser is a substantially tubular apparatus for chemical reactions which comprise a gaseous phase in close contact with a solid phase, wherein gas phase and solid particles move upwards in co-current flow.
    Type: Application
    Filed: May 17, 2004
    Publication date: August 11, 2005
    Applicant: SNAMPROGETTI S.p.A.
    Inventors: Domenico Sanfilippo, Ivano Miracca, Guido Capone, Vincenzino Fantinuoli