Patents by Inventor Alberto Cesana
Alberto Cesana 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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Publication number: 20240026210Abstract: A treatment fluid may be suitable for a hydrocarbon fluid extraction well. Such a treatment fluid may include a water-in-oil emulsion. The water-in-oil emulsion may include: an oily continuous phase; and an aqueous discontinuous phase comprising water and a plurality of particles comprising a hydrogel comprising a cationic polymer. The cationic polymer may include, in polymerized form, a monomer with one or more cationic groups. The cationic group may be a —N+—R1R2R3 group, wherein R1, R2, and R3, are independently H or a C1 to C4 alkyl group.Type: ApplicationFiled: September 27, 2023Publication date: January 25, 2024Applicant: ENI S.P.A.Inventors: Davide MOSCATELLI, Lucilla DEL GAUDIO, Paola ALBONICO, Alessandra BELLONI, Alberto CESANA
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Patent number: 11859125Abstract: A method for inhibiting water permeation in an extraction well of a hydrocarbon fluid from an underground reservoir may include: supplying a water-in-oil emulsion including an oily continuous phase and an aqueous discontinuous phase containing a plurality of particles of at least one hydrogel containing a cationic polymer; and positioning the water-in-oil emulsion in contact with the underground reservoir. A treatment fluid for hydrocarbon fluid extraction wells may contain a water-in-oil emulsion including an oily continuous phase and an aqueous discontinuous phase containing a plurality of particles of at least one hydrogel containing a cationic polymer.Type: GrantFiled: March 19, 2020Date of Patent: January 2, 2024Assignee: ENI S.P.A.Inventors: Davide Moscatelli, Lucilla Del Gaudio, Paola Albonico, Alessandra Belloni, Alberto Cesana
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Publication number: 20230382879Abstract: Catalytic process for producing alkylene epoxide, selected between ethylene oxide or propylene oxide, from the corresponding alkylene carbonate, selected between ethylene carbonate or propylene carbonate, comprising the decomposition reaction of alkylene carbonate, in the presence of sodium bromide as catalyst, in which: the reaction temperature is between 207 and 245° C., and the catalyst is in amounts comprised between 5×10?4 and 8×10?3 moles per mole of alkylene carbonate. This process can be carried out continuously. A further object of the invention is the modular plant which allows carrying out such a process.Type: ApplicationFiled: September 13, 2021Publication date: November 30, 2023Inventors: Davide MOSCATELLI, Mattia SPONCHIONI, Alberto CESANA, Gianmarco POLOTTI, Loïc RONIN
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Patent number: 11498887Abstract: The present invention relates to a process for producing a diene, preferably a conjugated diene, more preferably 1,3-butadiene, comprising the dehydration of at least one alkenol having a number of carbon atoms greater than or equal to 4, in the presence of a catalytic material comprising at least one crystalline metalosilicate in acid form, preferably a macroporous zeolite, more preferably a zeolite with a FAU, BEA or MTW structure. Preferably, said alkenol having a number of carbon atoms greater than or equal to 4 may be obbtained directly through biosynthetic processes, or through catalytic dehydration processes of at least one diol. When said alkenol is a butenol, said diol is preferably a butanediol, more preferably 1,3-butanediol, even more preferably bio-1,3-butanediol, i.e. 1,3-butanediol deriving from biosynthetic processes.Type: GrantFiled: October 18, 2017Date of Patent: November 15, 2022Assignee: Versalis S.P.A.Inventors: Daniele Delledonne, Alberto Cesana, Marco Mattachini, Monica Vittoria Pastori
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Publication number: 20220169910Abstract: A method for inhibiting water permeation in an extraction well of a hydrocarbon fluid from an underground reservoir containing: supplying a water-in-oil emulsion an oily continuous phase and an aqueous discontinuous phase containing a plurality of particles of at least one hydrogel containing a cationic polymer; and positioning the water-in-oil emulsion in contact with the underground reservoir. The present invention also concerns a treatment fluid for hydrocarbon fluid extraction wells containing the aforementioned water-in-oil emulsion and the related preparation process.Type: ApplicationFiled: March 19, 2020Publication date: June 2, 2022Applicant: ENI S.P.A.Inventors: Davide MOSCATELLI, Lucilla DEL GAUDIO, Paola ALBONICO, Alessandra BELLONI, Alberto CESANA
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Publication number: 20210380512Abstract: A process for bio-1,3-butanediol purification from a fermentation broth includes the steps of: (a) subjecting the fermentation broth to separation, (b) subjecting the product obtained in step (a) to treatment with ion-exchange resins, (c) subjecting the product obtained in step (b) to a first evaporation, (d) subjecting the product obtained in step (c) to a second evaporation; and (e) subjecting the product obtained in step (d) to a third evaporation, obtaining purified bio-1,3-butanediol. The purified bio-1,3-butanediol can be used to produce bio-1,3-butadiene. Bio-1,3-butadiene can be used as a monomer or as an intermediate to produce elastomers and (co)polymers.Type: ApplicationFiled: September 19, 2019Publication date: December 9, 2021Applicant: ENI S.P.A.Inventors: Mario Baldassarre, Alberto Cesana, Fabrizio Bordes
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Publication number: 20190241481Abstract: The present invention relates to a process for producing a diene, preferably a conjugated diene, more preferably 1,3-butadiene, comprising the dehydration of at least one alkenol having a number of carbon atoms greater than or equal to 4, in the presence of a catalytic material comprising at least one crystalline metalosilicate in acid form, preferably a macroporous zeolite, more preferably a zeolite with a FAU, BEA or MTW structure. Preferably, said alkenol having a number of carbon atoms greater than or equal to 4 may be obbtained directly through biosynthetic processes, or through catalytic dehydration processes of at least one diol. When said alkenol is a butenol, said diol is preferably a butanediol, more preferably 1,3-butanediol, even more preferably bio-1,3-butanediol, i.e. 1,3-butanediol deriving from biosynthetic processes.Type: ApplicationFiled: October 18, 2017Publication date: August 8, 2019Inventors: Daniele Delledonne, Alberto Cesana, Marco Mattachini, Monica Vittoria Pastori
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Patent number: 9862664Abstract: Process for the production of alkenols comprising the dehydration of at least one diol in the presence of at least one catalyst based on cerium oxide, wherein said catalyst based on cerium oxide is obtained by precipitation, in the presence of at least one base, of at least one compound containing cerium. Preferably, said diol may be a butanediol, more preferably 1,3-butanediol, still more preferably bio-1,3-butanediol derived from biosynthetic processes. Said alkenols may advantageously be used for the production of 1,3-butadiene, in particular of bio-1,3-butadiene.Type: GrantFiled: May 15, 2015Date of Patent: January 9, 2018Assignee: Versalis S.p.A.Inventors: Alberto Cesana, Stefano Ramello, Guido Spano′
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Publication number: 20170057893Abstract: Process for the production of alkenols comprising the dehydration of at least one diol in the presence of at least one catalyst based on cerium oxide, wherein said catalyst based on cerium oxide is obtained by precipitation, in the presence of at least one base, of at least one compound containing cerium. Preferably, said diol may be a butanediol, more preferably 1,3-butanediol, still more preferably bio-1,3-butanediol derived from biosynthetic processes. Said alkenols may advantageously be used for the production of 1,3-butadiene, in particular of bio-1,3-butadiene.Type: ApplicationFiled: May 15, 2015Publication date: March 2, 2017Inventors: Alberto CESANA, Stefano RAMELLO, Guido SPANO'
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Patent number: 8247622Abstract: A process is described for the preparation of phenol by the hydrodeoxygenation of polyhydroxylated benzene derivatives or by the selective hydroxylation of benzene under depletive conditions, characterized in that the above-mentioned reactions are carried out in the presence of a catalyst based on multi component metal oxides comprising at least one metal selected from the groups VB, VIB, VIII, IB, IIB, IVA, VA.Type: GrantFiled: October 20, 2010Date of Patent: August 21, 2012Assignee: Polimeri Europa S.p.A.Inventors: Leonardo Dalloro, Alberto Cesana, Roberto Buzzoni, Fausto Genoni, Guido Spano, Franco Rivetti
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Publication number: 20110092746Abstract: A process is described for the preparation of phenol by the hydrodeoxygenation of polyhydroxylated benzene derivatives or by the selective hydroxylation of benzene under depletive conditions, characterized in that the above-mentioned reactions are carried out in the presence of a catalyst based on multi component metal oxides comprising at least one metal selected from the groups VB, VIB, VIII, IB, IIB, IVA, VA.Type: ApplicationFiled: October 20, 2010Publication date: April 21, 2011Applicant: POLIMERI EUROPA S.p.A.Inventors: Leonardo DALLORO, Alberto Cesana, Roberto Buzzoni, Fausto Genoni, Guido Spano, Franco Rivetti
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Patent number: 7868210Abstract: A process is described for the preparation of phenol by the hydrodeoxygenation of polyhydroxylated benzene derivatives or by the selective hydroxylation of benzene under depletive conditions, characterized in that the above-mentioned reactions are carried out in the presence of a catalyst based on multi component metal oxides comprising at least one metal selected from the groups VB, VIB, VIII, IB, IIB, IVA, VA.Type: GrantFiled: January 10, 2006Date of Patent: January 11, 2011Assignee: Polimeri Europa S.p.A.Inventors: Leonardo Dalloro, Alberto Cesana, Roberto Buzzoni, Fausto Genoni, Guido Spano′, Franco Rivetti
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Patent number: 7547778Abstract: The present invention relates to a process for the preparation of zeolitic catalysts of the MFI type in spheroidal form. The process consists in emulsifying and consolidating in paraffinic hydrocarbons, in the presence of a non-ionic surface-active agent or a suitable combination of a non-ionic surface-active agent and a cationic surface-active agent, a dispersion of particles of zeolitic material of the MFI type in a silica sol.Type: GrantFiled: March 29, 2007Date of Patent: June 16, 2009Assignee: Polimeri Europa S.p.A.Inventors: Luigi Balducci, Leonardo Dalloro, Alberto Cesana, Roberto Buzzoni
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Publication number: 20080132735Abstract: A process is described for the preparation of phenol by the hydrodeoxygenation of polyhydroxylated benzene derivatives or by the selective hydroxylation of benzene under depletive conditions, characterized in that the above-mentioned reactions are carried out in the presence of a catalyst based on multi component metal oxides comprising at least one metal selected from the groups VB, VIB, VIII, IB, IIB, IVA, VA.Type: ApplicationFiled: January 10, 2006Publication date: June 5, 2008Applicant: POLIMERI EUROPA S.p.A.Inventors: Leonardo Dalloro, Alberto Cesana, Roberto Buzzoni, Fausto Genoni, Guido Spano, Franco Rivetti
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Publication number: 20070267324Abstract: The invention relates to a process for the production of linear alkanes, containing less than 6? carbon atoms, from a mix comprising one or more hydrocarbons containing at least 6 carbon atoms. The process uses a catalytic composition comprising particular combinations of a Y-type zeolite, at least one element selected from Zn, Mo, Cu, Ga, In, W, Ta, Zr, Ti, metals of Group VIII and optionally one or more lanthanides.Type: ApplicationFiled: February 4, 2005Publication date: November 22, 2007Applicant: Polimeri Europa S. p. A.Inventors: Leonardo Dalloro, Alberto Cesana, Roberto Buzzoni, Franco Rivetti
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Publication number: 20070173644Abstract: The present invention relates to a process for the preparation of zeolitic catalysts of the MFI type in spheroidal form. The process consists in emulsifying and consolidating in paraffinic hydrocarbons, in the presence of a non-ionic surface-active agent or a suitable combination of a non-ionic surface-active agent and a cationic surface-active agent, a dispersion of particles of zeolitic material of the MFI type in a silica sol.Type: ApplicationFiled: March 29, 2007Publication date: July 26, 2007Applicant: POLIMERI EUROPA S.p.A.Inventors: Luigi Balducci, Leonardo Dalloro, Alberto Cesana, Roberto Buzzoni
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Patent number: 7214637Abstract: The present invention relates to a process for the preparation of zeolitic catalysts of the MFI type in spheroidal form. The process consists in emulsifying and consolidating in paraffinic hydrocarbons, in the presence of a non-ionic surface-active agent or a suitable combination of a non-ionic surface-active agent and a cationic surface-active agent, a dispersion of particles of zeolitic material of the MFI type in a silica sol.Type: GrantFiled: September 21, 2004Date of Patent: May 8, 2007Assignee: Polimeri Europa S.p.A.Inventors: Luigi Balducci, Leonardo Dalloro, Alberto Cesana, Roberto Buzzoni
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Patent number: 7157397Abstract: A process is described for the synthesis of mesitylene, characterized in that mesitylene is obtained starting exclusively from pseudocumene, without the use of any other chemical compound, operating in continuous, at a temperature ranging from 225 to 400° C., at a pressure ranging from 1 to 50 bar, at a weight space velocity ranging from 0.1 to 10 hours?1, and in the presence of a catalyst containing a zeolite selected from ZSM-5 zeolite having a crystal lattice based on silicon oxide and aluminum oxide, and ZSM-5 zeolite modified by the partial or total substitution of Si with a tetravalent element such as Ti or Ge and/or the partial or total substitution of Al with other trivalent elements, such as Fe, Ga or B.Type: GrantFiled: February 26, 2004Date of Patent: January 2, 2007Assignees: Polimeri Europa S.p.A., Enitecnologie S.p.A.Inventors: Leonardo Dalloro, Alberto Cesana, Robert{dot over (o)} Buzzoni, Franco Rivetti, Giovanni Antonio Fois, Caterina Rizzo, Virginio Arrigoni
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Patent number: 7038093Abstract: The invention relates to a process for the preparation of phenol comprising the following phases: 1) preparation in continuous of phenol by means of the direct oxidation of benzene with hydrogen peroxide operating with an H2O2/benzene ratio ranging from 10 to 70%, in a three-phase reaction system comprising a first liquid phase consisting of benzene and an organic solvent, a second liquid phase consisting of water, a solid phase consisting of an activated catalyst based on titanium silicalite TS-1; 2) separation of the phenol and non-reacted benzene from the reaction mixture of the oxidation section (1), by means of fractionated distillation; 3) separation of the solvent and by-products from the mixture coming from the distillation tail (2), by means of basic extraction; 4) transformation of the by-products obtain in section (3) to phenol by means of hydrodeoxygenation with hydrogen operating in continuous, in aqueous solution, at a temperature ranging from 250 to 500° C.Type: GrantFiled: November 20, 2003Date of Patent: May 2, 2006Assignee: Polimeri Europa S.p.A.Inventors: Daniele Bianchi, Rossella Bortolo, Roberto Buzzoni, Alberto Cesana, Leonardo Dalloro, Rino D'Aloisio
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Patent number: 6949687Abstract: A process is described for the contemporaneous preparation of mesitylene and durene, characterized in that mesitylene and durene are obtained exclusively starting from pseudo-cumene without the use of any further chemical compound, operating in continuous, at a temperature ranging from 210 to 400° C., at a pressure ranging from 1 to 50 bar, with a weight space velocity ranging from 0.1 to 20 hours?1 and in the presence of a catalyst based on crystalline metal-silicates in acid form. After the recovery of mesitylene and durene from the reaction raw product, some of the remaining components of the raw product itself are recycled and fed to the reactor together with the pseudo-cumene.Type: GrantFiled: December 17, 2003Date of Patent: September 27, 2005Assignees: Polimeri Europa S.p.A., Enitecnologie S.p.A.Inventors: Leonardo Dalloro, Alberto Cesana, Roberto Buzzoni, Franco Rivetti, Caterina Rizzo, Virginio Arrigoni, Carlo Perego