Patents by Inventor Paolo Vincenzi
Paolo Vincenzi 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: 20220403059Abstract: A process for preparing a catalyst component made from or containing Mg, Ti, and at least an electron donor compound (ID), including the steps of: (a) reacting a Mg based compound with a Ti compound, having at least a Ti—Cl bond, in an amount such that the Ti/Mg molar ratio is greater than 3 and at a temperature ranging from 0 to 150° C., thereby yielding an intermediate solid catalyst component containing Mg and Ti; and (b) contacting the intermediate solid catalyst component with a gaseous stream containing the electron donor compound (ID) in a gaseous dispersing medium, thereby yielding a final solid catalyst component having an ID/Ti molar ratio ranging from 0.5:1 to 20:1.Type: ApplicationFiled: November 5, 2020Publication date: December 22, 2022Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: DIEGO BRITA, GIANNI COLLINA, DANIELE EVANGELISTI, BENEDETTA GADDI, PIERO GESSI, GIAMPIERO MORINI, SILVIA SOFFRITTI, PAOLO VINCENZI
-
Patent number: 10125200Abstract: Prepolymerized catalyst component for the polymerization of olefins CH2?CHR, wherein R is hydrogen or a C1-C12 hydrocarbyl group, comprising a solid catalyst component characterized by comprising Mg, Ti halogen and an electron donor (ID) selected from the alkyl esters of aromatic dicarboxylic acids in such an amount that the molar ratio ID/Mg ranges from 0.025 to 0.07 and the Mg/Ti molar ratio is higher than 13, said prepolymerized catalyst component containing an amount of ethylene pre-polymer up to 50 g per g of said solid catalyst component.Type: GrantFiled: September 17, 2009Date of Patent: November 13, 2018Assignee: Basell Poliolefine Italia S.r.l.Inventors: Gianni Collina, Anna Fait, Ofelia Fusco, Giampiero Morini, Lorella Pedriali, Rosa Spoto, Paolo Vincenzi
-
Publication number: 20120329963Abstract: The present invention relates to catalysts component for the polymerization of ethylene and its mixtures with olefins CH2?CHR, wherein R is an alkyl, cycloalkyl or aryl radical having 1-12 carbon atoms, comprising Ti, Mg, halogen, and electron donor belonging to 1,2-diethers as internal electron donor compound. The catalyst of the invention is suitably used in (co)polymerization processes of ethylene to prepare (co)polymers having narrow Molecular Weight Distribution (MWD) and high bulk density.Type: ApplicationFiled: March 1, 2011Publication date: December 27, 2012Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: Diego Brita, Gianni Collina, Daniele Evangelisti, Benedetta Gaddi, Maria Carbonara, Paolo Vincenzi
-
Publication number: 20110251352Abstract: Prepolymerized catalyst component for the polymerization of olefins CH2?CHR, wherein R is hydrogen or a C1-C12 hydrocarbyl group, comprising a solid catalyst component characterized by comprising Mg, Ti halogen and an electron donor (ID) selected from the alkyl esters of aromatic dicarboxylic acids in such an amount that the molar ratio ID/Mg ranges from 0.025 to 0.07 and the Mg/Ti molar ratio is higher than 13, said prepolymerized catalyst component containing an amount of ethylene pre-polymer up to 50 g per g of said solid catalyst component.Type: ApplicationFiled: September 17, 2009Publication date: October 13, 2011Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: Gianni Collina, Anna Fait, Ofelia Fusco, Giampiero Morini, Lorella Pedriali, Rosa Spoto, Paolo Vincenzi
-
Patent number: 7976818Abstract: A method for continuously recovering titanium tetrachloride TiCl4 from a waste liquid comprising TiCl4 and by-products, wherein said waste liquid is subjected, as a flowing liquid film, to an evaporation step for a residence time of less than 15 minutes at a temperature higher than 90° C.Type: GrantFiled: November 21, 2005Date of Patent: July 12, 2011Assignee: Basell Poliolefine Italia s.r.l.Inventors: Paolo Vincenzi, Rosa Spoto, Matteo Badalocchi
-
Patent number: 7942572Abstract: A multistage process for the continuous production of an emulsion comprising subjecting at least two immiscible liquids to a sequence of at least two mixing stages carried out in at least two successive stator-rotor devices, wherein a peripheral outlet from a first stator-rotor device is connected to an axial inlet in the successive stator-rotor device by means of a duct in which the Reynold number ReT inside said duct is higher than 5000, and the peripheral velocity of each rotor of said stator-rotor devices ranges from 5 to 60 m/s.Type: GrantFiled: September 30, 2004Date of Patent: May 17, 2011Assignee: Basell Poliolefine Italia s.r.l.Inventors: Arrigo Arletti, Paolo Vincenzi
-
Publication number: 20100261859Abstract: Catalyst component having average particle size equal to or lower than 40 ?m comprising a magnesium halide, a titanium compound having at least a Ti-halogen bond and at least two electron donor compounds one of which being present in an amount from 15 to 50% by mol with respect to the total amount of donors and selected from succinates of formula (I) below in which the radicals R1 and R2, equal to, or different from, each other are a C1-C20 linear or branched alkyl, alkenyl, cycloalkyl, aryl, arylalkyl or alkylaryl group, optionally containing heteroatoms; and the radicals R3 and R4 equal to, or different from, each other, are C1-C20 alkyl, C3-C20 cycloalkyl, C5-C20 aryl, arylalkyl or alkylaryl group with the proviso that at least one of them is a branched alkyl; said compounds being, with respect to the two asymmetric carbon atoms identified in the structure of formula (I), stereoisomers of the type (S,R) or (R,S) and at least another electron donor compound which is extractable, under the test of extracType: ApplicationFiled: December 9, 2008Publication date: October 14, 2010Applicant: Basell Poliolefine Italia s.r.l.Inventors: Paolo Vincenzi, Giovanni Patroncini
-
Publication number: 20100240845Abstract: Catalyst component for the polymerization of olefins comprising Mg, Ti, halogen and an electron donor is obtained by a batch process comprising: (A) A first step comprising reacting an adduct of formula MgCl2(ROH)n, where R is a C1-C10 alkyl group, and n is from 0.5 to 6, in a liquid medium comprising a titanium compound having at least a Ti—Cl bond at a temperature ranging from 0° C. to 80° C. and then removing the liquid medium; (B) A subsequent step comprising reacting the solid product obtained in (A) in a liquid medium comprising an electron donor ED selected from ethers, esters, ketones, silanes, amines, nitriles and amides, and a titanium compound having at least a Ti—Cl bond at a temperature higher than 80° C. and then, after removing the liquid medium; (C) A subsequent step comprising reacting the solid product coming from (B) with a liquid medium comprising a titanium compound having at least a Ti—Cl bond at a temperature higher than 80° C.Type: ApplicationFiled: June 7, 2007Publication date: September 23, 2010Applicant: Basell Poliolefine Italia s.r.l.Inventors: Gianni Collina, Maria Di Diego, Ofelia Fusco, Giampiero Morini, Paolo Vincenzi
-
Patent number: 7790818Abstract: Process for the preparation of a solid catalyst component for the polymerization of olefins, the process comprising the steps of: —continuously contacting solid particles of a MgCl2.mROH adduct, wherein 0.5<m<6.0 and R is an alkyl, cicloalkyl or aryl radical having 1-12 carbon atoms, with a liquid phase comprising one or more compounds capable of reacting with the —OH groups of said adduct to obtain a slurry containing a MgCl2.nROH, wherein n is lower than m; —reacting the slurry from step a) with one or more titanium compounds of formula Ti(OR)pXq?p, wherein q=3-4 and p=0-q, X is an halogen and R is an alkyl, cicloalkyl or aryl radical having 1-18 carbon atoms.Type: GrantFiled: June 1, 2005Date of Patent: September 7, 2010Assignee: Basell Polidlefine Italia s.r.l.Inventors: Paolo Vincenzi, Rosa Spoto
-
Patent number: 7592286Abstract: A process for preparing a catalyst component, comprising a Mg compound a Ti compound and an electron donor compound (ED) selected from alcohol, glycols, esters, ketones, amines, amides, nitrites, alkoxysilanes and aliphatic ethers as essential compounds, comprising two or more steps of reaction involving the use of at least one of said essential compounds as fresh reactant alone or in a mixture in which it constitutes the main component, said process being characterized by the fact that in the last of said one or more reaction steps the essential compound used as a fresh reactant is the ED compound.Type: GrantFiled: May 7, 2004Date of Patent: September 22, 2009Assignee: Basell Poliolefine Italia s.r.l.Inventors: Giampiero Morini, Tiziano Dall'Occo, Fabrizio Piemontesi, Rosa Spoto, Paolo Vincenzi, Gianni Vitale
-
Publication number: 20080194781Abstract: Process for the preparation of a solid catalyst component for the polymerization of olefins, the process comprising the steps of:—continuously contacting solid particles of a MgCl2.mROH adduct, wherein 0.5<m<6.0 and R is an alkyl, cicloalkyl or aryl radical having 1-12 carbon atoms, with a liquid phase comprising one or more compounds capable of reacting with the —OH groups of said adduct to obtain a slurry containing a MgCl2.nROH, wherein n is lower than m; —reacting the slurry from step a) with one or more titanium compounds of formula Ti(OR)pXq?p, wherein q=3-4 and p=0-q, X is an halogen and R is an alkyl, cicloalkyl or aryl radical having 1-18 carbon atoms.Type: ApplicationFiled: June 1, 2005Publication date: August 14, 2008Applicant: Basell Poliolefine Italia s.r.l.Inventors: Paolo Vincenzi, Rosa Spoto
-
Publication number: 20080069761Abstract: A method for continuously recovering titanium tetrachloride TiCl4 from a waste liquid comprising TiCl4 and by-products, wherein said waste liquid is subjected, as a flowing liquid film, to an evaporation step for a residence time of less than 15 minutes at a temperature higher than 90° C.Type: ApplicationFiled: November 21, 2005Publication date: March 20, 2008Inventors: Paolo Vincenzi, Rosa Spoto, Matteo Badalocchi
-
Publication number: 20070097784Abstract: A multistage process for the continuous production of an emulsion comprising subjecting at least two immiscible liquids to a sequence of at least two mixing stages carried out in at least two successive stator-rotor devices, wherein a peripheral outlet from a first stator-rotor device is connected to an axial inlet in the successive stator-rotor device by means of a duct in which the Reynold number ReT inside said duct is higher than 5000, and the peripheral velocity of each rotor of said stator-rotor devices ranges from 5 to 60 m/s.Type: ApplicationFiled: September 30, 2004Publication date: May 3, 2007Applicant: Basell Poliolefine Italia s.r.l.Inventors: Arrigo Arletti, Paolo Vincenzi
-
Publication number: 20070021295Abstract: A process for preparing a catalyst component, comprising a Mg compound a Ti compound and an electron donor compound (ED) selected from alcohol, glycols, esters, ketones, amines, amides, nitrites, alkoxysilanes and aliphatic ethers as essential compounds, comprising two or more steps of reaction involving the use of at least one of said essential compounds as fresh reactant alone or in a mixture in which it constitutes the main component, said process being characterized by the fact that in the last of said one or more reaction steps the essential compound used as a fresh reactant is the ED compound.Type: ApplicationFiled: May 7, 2004Publication date: January 25, 2007Applicant: Basell Poliolefine Italia s.r.l.Inventors: Giampiero Morini, Tiziano Dall'Occo, Fabrizio Piemontesi, Rosa Spoto, Paolo Vincenzi, Gianni Vitale
-
Patent number: 6252015Abstract: A process, particularly a gas phase fluidised bed process, for the production of polymers avoids formation of sheets or chunks within the reactor, without the need to use antistatic agents, which can reduce the activity of the catalyst or alter the characteristics of the yielded product. According to the invention, a device generates a corona discharge in the polymerisation reactor during the polymerisation process; an AC voltage difference is applied between the elements which constitute the discharging pair of the device.Type: GrantFiled: February 22, 2000Date of Patent: June 26, 2001Assignee: Montell Technology Company BVInventors: Paolo Vincenzi, Arrigo Arletti
-
Patent number: 5623021Abstract: Disclosed are a crystalline propylene copolymer composition, film, sheet and plate made therefrom and laminates wherein at least one layer is made therefrom, having low seal initiation temperature and good ink adhesion properties. The composition comprises (percent by weight):A) 20-60% of a crystalline copolymer of propylene with 1 to 5% ethylene; andB) 40-80% of a crystalline copolymer of propylene with 1 to 5% ethylene and 6 to 15% C.sub.4 -C.sub.8 .alpha.-olefin.In the composition the total content of ethylene being 1% to 5% and of C.sub.4 -C.sub.8 .alpha.-olefin being 2.4% to 12%.Type: GrantFiled: March 23, 1995Date of Patent: April 22, 1997Assignee: Montell North America Inc.Inventors: Anteo Pelliconi, Giampaolo Pellegatti, Paolo Vincenzi