Patents Assigned to Polimeri Europa S.p.A.
  • PROCESS FOR THE PRODUCTION OF ALKYLBENZENE HYDROPEROXIDES UNDER MILD CONDITIONS AND IN THE PRESENCE OF NEW CATALYTIC SYSTEMS
    Publication number: 20110251436
    Abstract: Process for the preparation of hydroperoxides of alkylbenzenes characterized by the fact that the alkylbenzene reacts with oxygen in the presence of a catalytic system which includes an N-hydroxyimide or an N-hydroxysulfamide and a polar solvent.
    Type: Application
    Filed: March 13, 2009
    Publication date: October 13, 2011
    Applicant: POLIMERI EUROPA S.P.A.
    Inventors: Francesco Minisci, Carlo Punta, Francesco Recupero, Christian Gambarotti, Raffaele Spaccini, Ombretta Porta, Angelo Clerici, Alberto Clerici
  • Catalyst and process for the preparation of alkylated aromatic hydrocarbons
    Patent number: 8030238
    Abstract: The present invention relates to a new zeolite having a beta-type crystalline structure, characterized by a distribution of the Lewis acid sites and Brønsted acid sites corresponding to a molar ratio [Lewis sites] [Brønsted sites] equal to or higher than 1.5. This new zeolite is useful in preparation processes of alkylated aromatic hydrocarbons through the alkylation and/or transalkylation of aromatic compounds. The preparation method of the new zeolite is also object of the present invention.
    Type: Grant
    Filed: June 21, 2005
    Date of Patent: October 4, 2011
    Assignees: Polimeri Europa S.p.A., Eni S.p.A.
    Inventors: Guido Spano′, Stefano Ramello, Gianni Girotti, Franco Rivetti, Angela Carati
  • PROCESS FOR THE ALKYLATION OF BENZENE WITH ISOPROPANOL OR BLENDS OF ISOPROPANOL AND PROPYLENE
    Publication number: 20110218366
    Abstract: The invention relates to a process for the alkylation of benzene with isopropanol (IPA) as alkylating agent, or blends of isopropanol and propylene, which comprises effecting said reaction completely in gaseous phase and in the presence of a catalytic system containing a zeolite belonging to the MTW family.
    Type: Application
    Filed: September 7, 2009
    Publication date: September 8, 2011
    Applicant: POLIMERI EUROPA S.P.A.
    Inventors: Loreno Lorenzoni, Paolo Calaresu, Pier Gianni Cabras
  • PROCESS FOR THE SYNTHESIS OF FUNCTIONALIZED POLY (1,3- ALKADIENES) AND USE THEREOF IN THE PREPARATION OF HIGH IMPACT VINYL AROMATIC POLYMERS
    Publication number: 20110207884
    Abstract: Process for the preparation of vinyl aromatic (co) polymers grafted on an elastomer in a controlled manner, comprising: dissolving an elastomer functionalized with bromoalkanes and nitroxy radicals, soluble in non-polar solvents, in a liquid phase consisting of a mixture of vinyl aromatic monomer (s)/polymerization solvent; feeding at least one radical initiator to the mixture, containing the functionalized elastomer in solution, and polymerizing the mixture thus obtained at a temperature higher than or equal to 1200C; recovering the vinyl aromatic (co) polymer obtained after devolatization; and recycling the solvent/monomer (s) mixture, coming from the devolatization, to step (a).
    Type: Application
    Filed: August 7, 2009
    Publication date: August 25, 2011
    Applicant: POLIMERI EUROPA S.P.A.
    Inventors: Gian Tommaso Viola, Leonardo Chiezzi
  • Process for the preparation of stable nitroxyl radicals
    Patent number: 7982052
    Abstract: Process for the preparation of stable nitroxyl radicals (I) starting from N-benzylphthalimide in two steps. In the first step, the intermediate N-benzyl-1,1,3,3-tetra-alkylisoindoline is prepared by treatment with a Grignard reagent, prepared in methyl-tert-butyl ether, of N-benzylphthalimide, obtained in the same reaction environment starting from phthalic anhydride and benzylamine. In the second step, the N-benzyl-1,1,3,3-tetra-alkylisoindoline is transformed into the nitroxyl radical by hydrogenolysis and subsequent oxidation with hydrogen peroxide in the presence of a catalyst selected from acids and salts of polymolybdic or polytungstic acids.
    Type: Grant
    Filed: February 9, 2007
    Date of Patent: July 19, 2011
    Assignee: Polimeri Europa S.p.A.
    Inventors: Maria Caldararo, Riccardo Po', Marco Ricci
  • PROCESS FOR THE PRODUCTION OF ESTERS OF LEVULINIC ACID FROM BIOMASSES
    Publication number: 20110160479
    Abstract: A new process is described for the direct synthesis of esters of levulinic acid starting from biomasses containing one or more polysaccharides and from aliphatic alcohols, in the presence of a suitable organic acid catalyst. In particular, the biomasses can be lignin-cellulose biomasses. The esters thus obtained can be used as oxygenated components in the formulation of fuels for motor vehicles, with the aim of reducing the particulate emissions.
    Type: Application
    Filed: June 19, 2009
    Publication date: June 30, 2011
    Applicant: POLIMERI EUROPA S.p.A., SAN DONATO MILANESE
    Inventors: Daniele Bianchi, Anna Maria Romano
  • RUBBER-REINFORCED VINYL AROMATIC POLYMERS
    Publication number: 20110124813
    Abstract: Rubber-reinforced vinyl aromatic polymers having a strictly bimodal morphology, comprising from 55 to 90% by weight of a rigid polymeric matrix and from 10 to 45% by weight of a rubbery phase dispersed inside said rigid polymeric matrix, in the form of grafted and occluded particles and wherein said rubber particles consist of from 60 to 99% by weight of particles with a capsule or “core-shell” morphology and from 1 to 40% by weight of particles with a “salami” morphology, said percentages being measured on the basis of the weight of the rubber particles only.
    Type: Application
    Filed: December 22, 2010
    Publication date: May 26, 2011
    Applicant: POLIMERI EUROPA S.p.A.
    Inventors: Alessandro CASALINI, Luca Monti, Anna Grazia Rossi
  • PROCESS FOR THE PREPARATION OF BRANCHED POLYBUTADIENE WITH A HIGH CONTENT OF 1,4-CIS UNITS
    Publication number: 20110112261
    Abstract: Process for the preparation of polybutadiene effected by the polymerization of butadiene in an aliphatic and/or cyclo-aliphatic solvent in the presence of a catalytic system prepared in situ which comprises: (i) a carboxylate of neodymium soluble in the process solvent containing a variable quantity of water, the H2O/Nd molar ratio ranging from 0.001/1 to 0.50/1; (ii) an alkyl compound of aluminum; (iii) an alkyl compound of aluminum in which at least one bond of Al consists of an Al—Cl bond; The total Al/Nd molar ratio ranging from 4/1 to 12/1, and the Cl/Nd molar ratio ranging from 2/1 to 6/1.
    Type: Application
    Filed: March 19, 2009
    Publication date: May 12, 2011
    Applicant: POLIMERI EUROPA S.P.A.
    Inventors: Gian Tommaso Viola, Marianna Zinna
  • PROCESS FOR THE PREPARATION OF PHENOL BY MEANS OF NEW CATALYTIC SYSTEMS
    Publication number: 20110098509
    Abstract: The invention relates to a process for the preparation of phenol which comprises the aerobic oxidation of cumene to hydroperoxide with high conversions and selectivities, in the presence of new catalytic systems, extremely mild conditions and the subsequent acid decomposition of the hydroperoxide to phenol and acetone.
    Type: Application
    Filed: September 20, 2007
    Publication date: April 28, 2011
    Applicant: POLIMERI EUROPA S.p.A.
    Inventors: Francesco Minisci, Ombretta Porta, Angelo Clerici, Alberto Clerici, Francesco Recupero, Carlo Punta, Cristian Gambarotti, Monica Pierini
  • PROCESS FOR THE PREPARATION OF PHENOL
    Publication number: 20110092746
    Abstract: 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: Application
    Filed: October 20, 2010
    Publication date: April 21, 2011
    Applicant: POLIMERI EUROPA S.p.A.
    Inventors: Leonardo DALLORO, Alberto Cesana, Roberto Buzzoni, Fausto Genoni, Guido Spano, Franco Rivetti
  • CATALYTIC PROCESS FOR THE PREPARATION OF HYDROPEROXIDES OF ALKYLBENZENES BY AEROBIC OXIDATION UNDER MILD CONDITIONS
    Publication number: 20110082320
    Abstract: Process for the preparation of hydroperoxides of alkylbenzenes characterized by the fact that the alkylbenzene reacts with oxygen in the presence of a catalytic system consisting of an N-hydroxyimide associated with a peroxide activator having a peracid or dioxyrane structure, possibly generated in situ.
    Type: Application
    Filed: March 13, 2009
    Publication date: April 7, 2011
    Applicant: Polimeri Europa S.P.A.
    Inventors: Francesco Minisci, Ombretta Porta, Carlo Punta, Francesco Recupero, Cristian Gambarotti, Raffaele Spaccini, Angelo Clerici, Alberto Clerici
  • Rubber-reinforced vinyl aromatic polymers
    Patent number: 7906576
    Abstract: Rubber-reinforced vinyl aromatic polymers having a strictly bimodal morphology, comprising from 55 to 90% by weight of a rigid polymeric matrix and from 10 to 45% by weight of a rubbery phase dispersed inside said rigid polymeric matrix, in the form of grafted and occluded particles and wherein said rubber particles consist of from 60 to 99% by weight of particles with a capsule or “core-shell” morphology and from 1 to 40% by weight of particles with a “salami” morphology, said percentages being measured on the basis of the weight of the rubber particles only.
    Type: Grant
    Filed: July 2, 2004
    Date of Patent: March 15, 2011
    Assignee: Polimeri Europa S.p.A.
    Inventors: Alessandro Casalini, Luca Monti, Anna Grazia Rossi
  • COMPOSITIONS OF EXPANDABLE VINYL AROMATIC POLYMERS WITH AN IMPROVED THERMAL INSULATION CAPACITY, PROCESS FOR THEIR PREPARATION AND EXPANDED ARTICLES OBTAINED THEREFROM
    Publication number: 20110046249
    Abstract: Expandable vinyl aromatic polymers which comprise: a matrix obtained by polymerizing 50-100% by weight of one or more vinyl aromatic monomers and 0-50% by weight of at least one copolymer izable monomer; 1-10% by weight, calculated with respect to the polymer (a), of an expanding agent englobed in the polymeric matrix; 0.05-25% by weight, calculated with respect to the polymer (a), of a filler comprising coke with a surface area, measured according to ASTM D-3037/89, ranging from 5 to 50 m2/g.
    Type: Application
    Filed: May 1, 2009
    Publication date: February 24, 2011
    Applicant: Polimeri Europa S.P.A.
    Inventors: Antonio Ponticiello, Dario Ghidoni, Riccardo Felisari
  • Process for the catalytic hydrodealkylation of alkylaromatic hydrocarbons
    Patent number: 7880045
    Abstract: Process for the catalytic hydrodealkylation alone of hydrocarbons, comprising C8-C13 alkylaromatic compounds, optionally mixed with C4-C9 aliphatic and cycloaliphatic products, which comprises treating said hydrocarbon compositions, in continuous and in the presence of hydrogen, with a catalyst consisting of a ZSM-5 zeolite, as such or in a bound form, wherein the Si/Al molar ratio in the ZSM-5 ranges from 5 to 35, modified with at least one metal selected from those belonging to groups IIB, VIB, VIII, at a temperature ranging from 400 to 650° C., a pressure ranging from 2 to 4 MPa and a H2/charge molar ratio ranging from 3 to 6.
    Type: Grant
    Filed: December 13, 2004
    Date of Patent: February 1, 2011
    Assignee: Polimeri Europa S.p.A.
    Inventors: Vittorio Arca, Angelo Boscolo Boscoletto
  • PROCESS FOR IMPROVING THE INSULATING CAPACITY OF EXPANDED VINYL AROMATIC POLYMERS AND THE PRODUCTS THUS OBTAINED
    Publication number: 20110020542
    Abstract: Process for improving the insulating capacity of expanded vinyl aromatic which includes: 1) preparing beads of expandable vinyl aromatic polymers containing 1-10% by weight, calculated with respect to the polymer, of an expanding agent englobed in the polymeric matrix, and 0.01-25% by weight, calculated with respect to the polymer, of an athermanous additive comprising carbon black homogeneously distributed in the polymeric matrix; 2) treating the surface of the beads, before deposition of the coating, with a liquid lubricating agent; and 3) thermally treating the beads with hot air at a temperature ranging from 30 to 60° C.
    Type: Application
    Filed: October 1, 2010
    Publication date: January 27, 2011
    Applicant: POLIMERI EUROPA S.P.A.
    Inventors: Dario GHIDONI, Antonio Ponticiello, Alessandra Simonelli, Loris Zamperlin
  • Process for the preparation of phenol
    Patent number: 7868210
    Abstract: 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: Grant
    Filed: January 10, 2006
    Date of Patent: January 11, 2011
    Assignee: Polimeri Europa S.p.A.
    Inventors: Leonardo Dalloro, Alberto Cesana, Roberto Buzzoni, Fausto Genoni, Guido Spano′, Franco Rivetti
  • Additives for lubricating oils having an improved dimensional stability and enhances low temperature performances, and process for the preparation thereof
    Patent number: 7868095
    Abstract: A process is described for obtaining viscosity index improver compounds (V.I.I.) having an improved dimensional stability and capable of enhancing the low temperature rheology of lubricating oils, the above process comprising the treatment of amorphous EP(D)M copolymers or terpolymers, optionally mixed with semi-crystalline EP(D)M, mixed with linear polyethylenes, the treatment being effected in the presence of one or more substances of a hydroperoxide nature and optionally in the presence of small quantities of polyfunctional vinyl monomers, the above treatment being carried out under high shear conditions at a temperature ranging from 75° C. to 260° C., preferably from 140° C. to 210° C.
    Type: Grant
    Filed: December 6, 2005
    Date of Patent: January 11, 2011
    Assignee: Polimeri Europa S.p.A.
    Inventor: Tiziano Tanaglia
  • PROCESS FOR THE PREPARATION OF TS-1 ZEOLITES
    Publication number: 20100331576
    Abstract: The invention relates to a new process which allows the preparation of TS-1 zeolites in a pure phase and with a crystallinity higher than 95%, operating at reduced reaction volumes, and obtaining high productivities and extremely high crystallization yields. The particular crystalline form of the TS-1 zeolite thus prepared, is also described.
    Type: Application
    Filed: December 3, 2008
    Publication date: December 30, 2010
    Applicant: POLIMERI EUROPA S.P.A.
    Inventors: Angela Carati, Donatella Berti, Roberto Millini, Franco Rivetti, Angela Maria Mantegazza, Gianni Girotti
  • Process for the production of granules of expandable thermoplastic polymers
    Patent number: 7846360
    Abstract: Process for the production of granules of expandable thermoplastic polymers by means of extrusion, which comprises: i) melting the polymer in a single- or multi-screw extruder (2); ii) incorporating an expanding agent in the polymer in the molten state; iii) granulating the polymer thus obtained in a device comprising a die (111), containing a series of ducts (115) made of a material having a high thermal conductivity (114), a cutting chamber (118) containing a set of hydraulic nozzles and a cutting system equipped with a set of knives (215) with a cutting edge which is radial with respect to the surface of the die; iv) annealing the granules thus obtained; v) cooling the annealed granules to room temperature.
    Type: Grant
    Filed: December 5, 2002
    Date of Patent: December 7, 2010
    Assignee: Polimeri Europa S.p.A.
    Inventor: Alessandro Casalini
  • SEMI-CONTINUOUS INTEGRATED PROCESS FOR THE PRODUCTION OF HIGH IMPACT VINYL AROMATIC (CO)POLYMERS BY ANIONIC/RADICAL POLYMERIZATION IN SEQUENCE
    Publication number: 20100305264
    Abstract: Butadiene is anionically polymerized (or block copolimerized with styrene) in a low-boiling non-polar solvent in presence of rganolithiura compounds. At the end of the polymerization, the non-polar solvent is switched with styrene and the new solution is stored in tanks in relation to the type of polybutadiene (or its block copolymer with styrene) obtained. The polybutadiene solution (and/or its block copolymer with styrene) with the desired set of properties is then fed to a production plant of high impact vinyl aromatic (co) polymers.
    Type: Application
    Filed: November 28, 2008
    Publication date: December 2, 2010
    Applicant: POLIMERI EUROPA S.P.A.
    Inventors: Riccardo Inglese, Leonardo Chiezzi, Fabio Montanari, Alessandro Casalini