Patents by Inventor Alberto Renato DE ANGELIS

Alberto Renato DE ANGELIS 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: 11982185
    Abstract: A barrier assembly used in the protection of personnel at worksites and/or residential areas from escapes of gas. Such a barrier assembly controls the lateral and vertical spread of gas in the event of an escape of the gas, even more particularly toxic gas. The barrier assembly can be used at operating sites where gases are produced, and in particular where high concentrations of toxic gases (e.g. CO2, H2S, SO2, mercaptans etc.) are present. The barrier assembly can, optionally act as a safety system in the event of an accidental uncontrolled release of these toxic gases into the atmosphere.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: May 14, 2024
    Assignee: ENI S.P.A.
    Inventors: Luca Decarli, Laura La Rosa, Alberto Renato De Angelis, Andrea Vignali
  • Publication number: 20240002742
    Abstract: An acid gas absorbing mixture and a process for the removal of acid gases from gaseous mixtures containing them, such as natural gas, air and flue gases and an absorbent mixture usable for the removal of acid gases from gaseous mixtures containing them includes at least one diol of general formula R(OH)2 having a normal boiling point equal to or greater than 100° C.; at least one organic base having a pKb (in water) lower than or equal to 3; and a polar aprotic solvent having a dielectric constant F at 25° C. greater than or equal to 30, a viscosity p at 25° C. lower than or equal to 40 cP (centipoise). The organic base/diol weight ratio is lower than or equal to 0.6, and the aprotic solvent/diol weight ratio is between 0.05 and 0.6.
    Type: Application
    Filed: November 23, 2021
    Publication date: January 4, 2024
    Inventors: Alberto Renato DE ANGELIS, Gianluca FIORI, Filomena CASTALDO
  • Patent number: 11845909
    Abstract: There is a method for extracting bio-oil from algal biomass, in particular oily microalgae, using solvents of a Deep Eutectic Solvents (DES) capable of producing a bio-oil with a low content of phospholipids and inorganic salts, mainly sodium chloride.
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: December 19, 2023
    Assignee: ENI S.P.A.
    Inventors: Alberto Renato De Angelis, Filomena Castaldo
  • Patent number: 11708539
    Abstract: There is an absorbent mixture usable for the removal of sour gases from gas mixtures. The mixture has at least one organic base having a pKb (in water) less than or equal to 3.2; at least one alcoholic solvent of general formula R(OH)n having a boiling temperature above or equal to 100° C. at ambient pressure, wherein R is a linear or branched saturated alkyl group having a number of carbon atoms between 2 and 20 and n is a whole number varying between 1 and 20; an aprotic polar solvent having a dielectric constant ? at 25° C. greater than or equal to 30, a viscosity ? at 25° C. less than or equal to 14 cP, preferably less than or equal to 12 cP; and a boiling temperature at normal pressure equal to or above 130° C. There is also a process for the removal of sour gases using the absorbent mixture.
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: July 25, 2023
    Assignee: ENI S.P.A.
    Inventors: Alberto Renato De Angelis, Giuseppe Bellussi
  • Publication number: 20230053826
    Abstract: A process for treatment of gas mixtures containing acid gas, for the removal of said acid gas from the gas mixtures. The process has (A) an absorption step performed on a gas mixture containing acid gas by means of a solvent system containing at least one liquid absorption solvent for removing from the gas mixture the acid gas contained therein and forming a lean gas mixture, from which at least part of the acid gas have been removed, and an enriched solvent containing the acid gas and (B) a regeneration step, in which the enriched solvent is subjected to a gas/liquid separation step by a flash process to be separated from the absorbed acid gas and to produce an acid gas flow and a regenerated solvent, which is recirculated to the absorption step. The solvent system contains at least one liquid absorption solvent selected from switchable ionic liquids.
    Type: Application
    Filed: February 5, 2021
    Publication date: February 23, 2023
    Applicant: ENI S.p.A.
    Inventors: Alberto Renato De ANGELIS, Enrico Francesco GAMBAROTTA, Gianluca FIORI
  • Publication number: 20230024579
    Abstract: A thermoplastic copolymer with a high sulphur content, having sulphur in an amount greater than or equal to 40% by weight, in relation to the total weight of the thermoplastic copolymer with a high sulphur content and at least one monomer having general formula (I): wherein: R1 and R2, equal or different from each other, represent a hydrogen atom; or R1 and R2, may optionally be bound together so as to form, together with the other atoms to which they are bound, a cycloalkene containing from 4 to 6 carbon atoms, saturated, unsaturated, or aromatic, optionally substituted with C1-C20 alkyl groups; the monomer having general formula (I) being present in an amount less than or equal to 60% by weight; the thermoplastic copolymer with high sulphur content having a complex dynamic viscosity (?*), at 160° C., comprised between 1×104 Pa.s and 8×106 Pa.s.
    Type: Application
    Filed: December 3, 2020
    Publication date: January 26, 2023
    Inventors: Alberto Renato DE ANGELIS, Marco GUIDOLIN, Roberto SCATTOLIN
  • Publication number: 20220267487
    Abstract: There is a process for high sulfur content copolymer preparation having the step of reacting sulfur in solid form with at least one crosslinker selected from organic compounds having at least a double or triple bond in the presence of at least one catalyst selected from dithiocarbamates, mercaptobenzothiazoles, xanthates, thiophosphates, at a temperature ranging from 110° C. to 180° C. The high sulfur content copolymer, depending on the glass transition temperature, can be of elastomeric or thermoplastic type and can be advantageously used in different applications. In case of an elastomeric-type high sulfur content copolymer, the copolymer can be advantageously used in different applications such as, for example, thermal insulation, conveyor belts, transmission belts, flexible tubes, elastomeric tire compositions.
    Type: Application
    Filed: July 7, 2020
    Publication date: August 25, 2022
    Applicant: ENI S.P.A.
    Inventors: Giuseppe Bellussi, Alberto Renato De Angelis, Chiara Carrozza, Laura Boggioni
  • Publication number: 20220154578
    Abstract: A barrier assembly used in the protection of personnel at worksites and/or residential areas from escapes of gas. Such a barrier assembly controls the lateral and vertical spread of gas in the event of an escape of the gas, even more particularly toxic gas. The barrier assembly can be used at operating sites where gases are produced, and in particular where high concentrations of toxic gases (e.g. CO2, H2S, SO2, mercaptans etc.) are present. The barrier assembly can, optionally acting as a safety system in the event of an accidental uncontrolled release of these toxic gases into the atmosphere.
    Type: Application
    Filed: February 13, 2020
    Publication date: May 19, 2022
    Applicant: ENI S.P.A.
    Inventors: Luca Decarli, Laura La Rosa, Alberto Renato De Angelis, Andrea Vignali
  • Publication number: 20220089969
    Abstract: There is a method for extracting bio-oil from algal biomass, in particular oily microalgae, using solvents of a Deep Eutectic Solvents (DES) capable of producing a bio-oil with a low content of phospholipids and inorganic salts, mainly sodium chloride.
    Type: Application
    Filed: September 9, 2019
    Publication date: March 24, 2022
    Inventors: Alberto Renato De Angelis, Filomena Castaldo
  • Publication number: 20220056361
    Abstract: There is an absorbent mixture usable for the removal of sour gases from gas mixtures. The mixture has at least one organic base having a pKb (in water) less than or equal to 3.2; at least one alcoholic solvent of general formula R(OH)n having a boiling temperature above or equal to 100° C. at ambient pressure, wherein R is a linear or branched saturated alkyl group having a number of carbon atoms between 2 and 20 and n is a whole number varying between 1 and 20; an aprotic polar solvent having a dielectric constant E at 25° C. greater than or equal to 30, a viscosity ? at 25° C. less than or equal to 14 cP, preferably less than or equal to 12 cP; and a boiling temperature at normal pressure equal to or above 130° C. There is also a process for the removal of sour gases using the absorbent mixture.
    Type: Application
    Filed: September 9, 2019
    Publication date: February 24, 2022
    Applicant: ENI S.P.A.
    Inventors: Alberto Renato De Angelis, Giuseppe Bellussi
  • Publication number: 20210371595
    Abstract: Elastomeric copolymer with a high sulfur content, comprising sulfur in a quantity higher than or equal to 40% by weight, preferably ranging from 55% by weight to 90% by weight, with respect to the total weight of said elastomeric copolymer, and at least one monomer having general formula (I): CH2?CH—(CH2)y-(X)n-(X)m-(CH2)x—CH?CH2 (I) wherein: X represents a sulfur atom, a selenium atom, a tellurium atom, preferably a sulfur atom, a selenium atom; y and x, equal to or different from one another, are a whole number ranging from 0 to 4; n and m, equal to or different from one another, are a whole number ranging from 0 to 3, at least one of n and m being equal to 1; said monomer being present in a quantity lower than or equal to 60% by weight, preferably ranging from 10% by weight to 45% by weight, with respect to the total weight of said elastomeric copolymer; provided that, in the case wherein in said general formula (I) X is sulfur, y and x are 1, at least one of n and m must be different from 1 and the sum of
    Type: Application
    Filed: May 10, 2019
    Publication date: December 2, 2021
    Inventors: Alberto Renato De Angelis, Laura Boggioni, Simona Losio
  • Publication number: 20210230358
    Abstract: Thermoplastic copolymer with a high sulphur content comprising sulphur in a quantity higher than or equal to 40% by weight, preferably ranging from 45% by weight to 90% by weight, with respect to the total weight of said thermoplastic copolymer, and at least one monomer having general formula (I) wherein: R1 and R2, equal to or different from each other, represent a hydrogen atom; or they are selected from C1-C20, preferably C1-C15, linear or branched alkyl groups, C2-C20, preferably C2-Ci5, linear or branched alkenyl groups, C2-C20, preferably C2-C15, linear or branched alkylidene groups; or R1 and R2, may optionally be bound to one another so as to form, together with the other atoms to which they are bound, a cycloalkene containing from 4 to 6 carbon atoms, saturated, unsaturated, or aromatic, optionally substituted with C1-C20, preferably C1-C15, linear or branched alkyl groups, said cycle optionally containing heteroatoms such as, for example, oxygen, sulphur, nitrogen, silicon, phosphorus, selenium; sai
    Type: Application
    Filed: May 10, 2019
    Publication date: July 29, 2021
    Applicant: ENI S.P.A.
    Inventors: Alberto Renato De Angelis, Marco Guidolin
  • Publication number: 20210070942
    Abstract: Elastomeric terpolymer with a high sulfur content comprising:—sulfur in a quantity higher than or equal to 40% by weight, preferably ranging from 55% by weight to 90% by weight, with respect to the total weight of said elastomeric terpolymer;—a first monomer selected from aromatic vinyl compounds, preferably from styrene, divinylbenzene, vinyl toluene, tert-butylstyrene, p-methylstyrene, ?-methylstyrene, ?-methylstyrene, vinylnaphthalene;—a second monomer selected from:—aromatic vinyl compounds, preferably from styrene, divinylbenzene, vinyl toluene, tert-butylstyrene, p-methylstyrene, ?-methylstyrene, ?-methylstyrene, vinyl-naphthalene;—monomers having general formula (I): CH2?CH—(CH2)y—(X)n—(X)m—(CH2)x—CH?CH2, wherein:—X represents a sulfur atom, a selenium atom, a tellurium atom, preferably a sulfur atom, a selenium atom;—y and x, equal to or different from one another, are a whole number ranging from 0 to 4;—n and m, equal to or different from one another, are a whole number ranging from 0 to 3, at least
    Type: Application
    Filed: May 10, 2019
    Publication date: March 11, 2021
    Inventors: Alberto Renato De Angelis, Giovanni Regattieri, Chiara Carrozza
  • Patent number: 10590356
    Abstract: The invention relates to an integrated process for the production of fuel components starting from materials of a biological origin which comprises: (A) transformation of glycerine into an alkoxy-propanediol having formula RO—CH2—CHOH—CH2OH, wherein R is a linear or branched C1-C8 alkyl, (B) transformation of glycerine into 1,2-propanediol CH3—CHOH—CH2OH, (C) dehydration of the 1,2-propanediol obtained in (B) to propionic aldehyde, (D) reaction of part of the propionic aldehyde obtained in (C) with the alkoxy-propanediol having formula RO—CH2—CHOH—CH2OH obtained in (A) to give an acetal having formula (a) wherein R is a linear or branched C1-C8 alkyl, (E) transformation of part of the propionic aldehyde obtained in (C) to a propionate having formula CH3—CH2—COOR?, wherein R? is a linear or branched C1-C8 alkyl. Particular components for gasolines and/or diesel are also described.
    Type: Grant
    Filed: February 11, 2014
    Date of Patent: March 17, 2020
    Assignee: ENI S.p.A.
    Inventors: Giuseppe Bellussi, Alberto Renato De Angelis, Giulio Assanelli, Paolo Pollesel
  • Patent number: 10087163
    Abstract: The present invention relates to a process for preparing cyclic acetals having general formula (I) wherein Y and Y?, equal to or different from each other, are selected from H and a group OR, R being a linear or branched alkyl containing from 1 to 8 carbon atoms, comprising at least the following phases: (i) providing a reaction mixture comprising at least one vicinal diol having formula (II) Z—CH2—CHOH—CH2OH wherein Z is selected from H and a group OR?, R? being a linear or branched alkyl containing from 1 to 8 carbon atoms, said mixture being substantially free of aldehydes having general formula RI—CHO, wherein RI is a linear or branched alkyl containing from 1 to 6 carbon atoms, possibly substituted by an alkoxide group OR111, wherein RIII is an alkyl containing from 1 to 4 carbon atoms; (ii) thermally treating said reaction mixture at a temperature within the range of 100° C.-300° C. in the presence of at least one acid catalyst, obtaining said compound having formula (I).
    Type: Grant
    Filed: April 3, 2015
    Date of Patent: October 2, 2018
    Assignee: ENI S.p.A.
    Inventors: Giulio Assanelli, Alberto Renato De Angelis
  • Patent number: 9988363
    Abstract: The present invention relates to a process for preparing an ester having formula R—COO—R? (I), wherein R represents a group selected from: (i) a linear or branched alkyl, containing from 1 to 20 carbon atoms, (ii) an aryl containing from 6 to 12 carbon atoms, (iii) a heterocycle with 4 to 12 carbon atoms containing at least one heteroatom selected from O, N, P and S, R? represents a linear or branched alkyl containing from 1 to 12 carbon atoms, said process comprising at least a phase of reacting a reaction mixture comprising at least one aldehyde having formula R—CHO (II), wherein R has the meanings defined above, and at least one alcohol having general formula R?—OH (III), wherein R? has the meanings defined above, in the presence of at least one solid basic catalyst, at a temperature within the range of 120° C.-300° C., obtaining said ester having formula (I).
    Type: Grant
    Filed: September 1, 2015
    Date of Patent: June 5, 2018
    Assignee: ENI S.p.A.
    Inventors: Thomas Pasini, Alberto Renato De Angelis
  • Publication number: 20170247347
    Abstract: The present invention relates to a process for preparing an ester having formula R—COO—R? (I), wherein R represents a group selected from: (i) a linear or branched alkyl, containing from 1 to 20 carbon atoms, (ii) an aryl containing from 6 to 12 carbon atoms, (iii) a heterocycle with 4 to 12 carbon atoms containing at least one heteroatom selected from O, N, P and S, R? represents a linear or branched alkyl containing from 1 to 12 carbon atoms, said process comprising at least a phase of reacting a reaction mixture comprising at least one aldehyde having formula R—CHO (II), wherein R has the meanings defined above, and at least one alcohol having general formula R?—OH (III), wherein R? has the meanings defined above, in the presence of at least one solid basic catalyst, at a temperature within the range of 120° C.-300° C., obtaining said ester having formula (I).
    Type: Application
    Filed: September 1, 2015
    Publication date: August 31, 2017
    Applicant: ENI S.p.A.
    Inventors: Thomas PASINI, Alberto Renato DE ANGELIS
  • Publication number: 20170029401
    Abstract: The present invention relates to a process for preparing cyclic acetals having general formula (I) wherein Y and Y?, equal to or different from each other, are selected from H and a group OR, R being a linear or branched alkyl containing from 1 to 8 carbon atoms, comprising at least the following phases: (i) providing a reaction mixture comprising at least one vicinal diol having formula (II) Z—CH2-CHOH—CH2OH wherein Z is selected from H and a group OR?, R? being a linear or branched alkyl containing from 1 to 8 carbon atoms, said mixture being substantially free of aldehydes having general formula R1—CHO, wherein R1 is a linear or branched alkyl containing from 1 to 6 carbon atoms, possibly substituted by an alkoxide group OR111, wherein RIII is an alkyl containing from 1 to 4 carbon atoms; (ii) thermally treating said reaction mixture at a temperature within the range of 100° C.-300° C. in the presence of at least one acid catalyst, obtaining said compound having formula (I).
    Type: Application
    Filed: April 3, 2015
    Publication date: February 2, 2017
    Applicant: ENI S.P.A.
    Inventors: Giulio ASSANELLI, Alberto Renato DE ANGELIS
  • Publication number: 20150376523
    Abstract: The invention relates to an integrated process for the production of fuel components starting from materials of a biological origin which comprises: (A) transformation of glycerine into an alkoxy-propanediol having formula RO—CH2—CHOH—CH2OH, wherein R is a linear or branched C1-C8 alkyl, (B) transformation of glycerine into 1,2-propanediol CH3—CHOH—CH2OH, (C) dehydration of the 1,2-propanediol obtained in (B) to propionic aldehyde, (D) reaction of part of the propionic aldehyde obtained in (C) with the alkoxy-propanediol having formula RO—CH2—CHOH—CH2OH obtained in (A) to give an acetal having formula (a) wherein R is a linear or branched C1-C8 alkyl, (E) transformation of part of the propionic aldehyde obtained in (C) to a propionate having formula CH3—CH2—COOR?, wherein R? is a linear or branched C1-C8 alkyl. Particular components for gasolines and/or diesel are also described.
    Type: Application
    Filed: February 11, 2014
    Publication date: December 31, 2015
    Applicant: ENI S.p. A.
    Inventors: Giuseppe BELLUSSI, Alberto Renato DE ANGELIS, Giulio ASSANELLI, Paolo POLLESEL