Patents by Inventor Giampaolo Pellegatti
Giampaolo Pellegatti 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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Patent number: 7977444Abstract: A process for preparing a polymer containing derived units of one or more alpha olefins of formula CH2?CHW wherein W is a C3-C10 hydrocarbon radical and optionally from 0 to 81% by mol of derived units of propylene or 1-butene, comprising contacting under polymerization conditions one or more alpha olefins of formula CH2?CHW and optionally propylene or 1-butene in the presence of a catalyst system obtainable by contacting: a) a metallocene compound of formula (I) wherein M, X, L, T, R1, R2, R7 and R8 are described in the text; and (b) an alumoxane or a compound capable of forming an alkyl metallocene cation.Type: GrantFiled: March 8, 2005Date of Patent: July 12, 2011Assignee: Basell Polyolefine GmbHInventors: Luigi Resconi, Eleonora Ciaccia, Friederike Morhard, Giampaolo Pellegatti
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Patent number: 7943716Abstract: A process for preparing a polymer containing derived units of one or more alpha olefins of formula CH2?CHW wherein W is a C3-C10 hydrocarbon radical and optionally from 0 to 81% by mol of derived units of propylene or 1-butene, comprising contacting under polymerization conditions one or more alpha olefins of formula CH2?CHW and optionally propylene or 1-butene in the presence of a catalyst system obtainable by contacting: a) a metallocene compound of formula (I) wherein M, X, L, T1, T2, T3 and R1 are described in the text; and (b) an alumoxane or a compound capable of forming an alkyl metallocene cation.Type: GrantFiled: March 8, 2005Date of Patent: May 17, 2011Assignee: Basell Polyolefine GmbHInventors: Luigi Resconi, Eleonora Ciaccia, Friederike Morhard, Giampaolo Pellegatti
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Publication number: 20110045265Abstract: A polyolefin composition is disclosed. The composition comprises a single-site linear low density polyethylene (mLLDPE) and an elastoplastic polypropylene. The elastoplastic polypropylene is present in an amount sufficient to improve the processability and physical property of the mLLDPE. The composition preferably comprises from 70 wt % to 99 wt % of mLLDPE and from 1 wt % to 30 wt % of the elastoplastic polypropylene. The polyolefin composition of the invention exhibits improved bubble stability in the blown film extrusion compared to the mLLDPE and improved film properties such as tear strength and modulus compared to the traditional blend of mLLDPE and low density polyethylene.Type: ApplicationFiled: August 20, 2009Publication date: February 24, 2011Inventors: Jeffrey C. Haley, Harilaos Mavridis, Dennis M. Hudson, Ganesh Nagarajan, Stephen M. Imfeld, Giampaolo Pellegatti
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Publication number: 20110034658Abstract: 1-butene/ethylene/propylene terpolymer containing: c) from 4 to 10 wt % of ethylene derived units, and d) from 2 to 10 wt % of propylene derived units; the said terpolymer having the following properties: distribution of molecular weights (Mw/Mn) measured by GPC lower than 3; no melting point detectable at the DSC; melting enthalpy, measured after 10 days of aging at room temperature, from 12 to 20 J/g.Type: ApplicationFiled: March 18, 2009Publication date: February 10, 2011Inventors: Giampaolo Pellegatti, Stefano Spataro, Tiziana Caputo
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Publication number: 20110003939Abstract: A 1-butene propylene ethylene terpolymer having a content of propylene derived units ranging from 0.1-10% by weight and an ethylene derived units content ranging from 0.1 to 3% by weight having the following properties: a) distribution of molecular weight Mw/Mn measured by GPC lower than 3.5; b) melting point (DSC) comprised between 60° C. and 120° C.; c) Content of 1-butene units in the form of isotactic pentads (mmmm) higher than 95%.Type: ApplicationFiled: February 23, 2009Publication date: January 6, 2011Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: Stefano Spataro, Giampaolo Pellegatti, Tiziana Caputo
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Publication number: 20100305276Abstract: A polyolefin composition having unusually low values of flexural modulus and shore hardness and comprising, in percent by weight: A) 15-40% of a copolymer of propylene with hexene-1 containing from 2.5 to 10% of hexene-1 and having Melt Flow Rate (MFR, measured according to ISO 1133, 230° C./2.16 Kg) from 0.5 to 100 g/10 min.; and B) 60-85% of an ethylene copolymer containing ethylene in a quantity equal to or lower than 40%, and having solubility in xylene at room temperature greater than 70%.Type: ApplicationFiled: December 9, 2008Publication date: December 2, 2010Applicant: Basell Poliolefine Italia s.r.l.Inventors: Giampaolo Pellegatti, Paolo Goberti
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Publication number: 20100260995Abstract: A copolymer of propylene with hexene-1 containing from 5 to 9% by weight of recurring units derived from hexene-1, having a melting temperature from 125° C. to 140° C. and Melt Flow Rate (ASTM D1238, 230° C./2.16 Kg) from 0.1 to 3 g/10 min., is used to produce blown films having valuable mechanical and optical properties.Type: ApplicationFiled: November 20, 2008Publication date: October 14, 2010Applicant: Basell Polioefine Italia s.r.l.Inventors: Giampaolo Pellegatti, Michele Grazzi, Nicolas Kokel, Antonella Angelini
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Publication number: 20100222518Abstract: Polyolefin composition comprising, in percent by weight: A) 50-75% of a blend of polymers (PP) and (ECI), wherein (PP) is selected from the group consisting of: (i) propylene homopolymers; (ii) copolymers of propylene; (iii) combinations of said homopolymers (i) and copolymers (ii); (EC1) is a copolymer of ethylene and propylene or CH2?CHR alpha-olefin(s), where R is a 2-8 carbon alkyl radical, or a copolymer of ethylene, propylene and the said CH2?CHR alpha-olefin(s), containing from 20 to 35%, of ethylene; and B) 25-50% of a copolymer (ECII) of ethylene and propylene or CH2?CHR alpha-olefin(s), where R is a 2-8 carbon alkyl radical, or a copolymer of ethylene, propylene and the said CH2?CHR alpha-olefin(s), containing from 40 to 60% of ethylene; in which composition the copolymer component (ECI) is present in amounts from 23 to 45% with respect to the total weight of (A), and the intrinsic viscosity [?tot] of the fraction XS soluble in xylene at room temperature, referred to the total weight of (A)+(B), isType: ApplicationFiled: September 29, 2008Publication date: September 2, 2010Applicant: Basell Poliolefine Italia s.r.l.Inventors: Giampaolo Pellegatti, Paolo Goberti, Letizia Baraldi, Kazuhiko Minowa, Yukihiro Hisanaga
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Publication number: 20100174029Abstract: Soft polyolefin composition with improved processability comprising from 8 to 45% by weight of a polypropylene component (A), from 82 to 45% by weight of an elastomeric component (B), and from 10 to 25% by weight of a viscosity reducing agent (C) comprising polybutene-1 and paraffinic wax or grease. The composition is easily processable also by injection moulding and has better tensile properties than compositions in which processability is improved by visbreaking.Type: ApplicationFiled: July 29, 2008Publication date: July 8, 2010Applicant: Basell Poliolefine Italia s.r.l.Inventors: Paolo Goberti, Johan De Clippeleir, Giampaolo Pellegatti, Friederike Morhard, Stefano Spataro
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Publication number: 20100137543Abstract: A 1-butene ethylene copolymer having an ethylene derived units content ranging from 15.10% by molto 18.00% by mol having the following properties: a) distribution of molecular weight lower than 3; preferably b) hardness shore A (measured according to ISO 868) lower than 65; c) tension set lower than 30% at 100% of deformation (ISO 2285) d) no melting pointdetectable at the DSC; e) Melting enthalpy measured after 10 days of aging at room temperature comprised between 4 and 15 J/g.Type: ApplicationFiled: June 9, 2008Publication date: June 3, 2010Applicant: Basell Polyolefine GmbHInventors: Giampaolo Pellegatti, Stefano Spataro, Roberta Marchini, Simona Guidotti, Simona Esposito
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Patent number: 7728077Abstract: A masterbatch composition comprising (percent by weight): A) 15%-50% of a polypropylene component having a melt flow rate of from 1 to 250 g/10 min.; and B) 50%-85% of an olefin polymer partially soluble in xylene at room temperature, containing from 60% to 85% by weight of ethylene; said masterbatch composition having (i) a value of the intrinsic viscosity [?] of the fraction soluble in xylene at room temperature ([?]sol) equal to or lower than 2.9 dl/g, and (ii) a value of the ratio MFR/[?], , , , equal to or lower than 4, is added to polyolefin materials to obtain final compositions suitable for injection molding.Type: GrantFiled: March 22, 2005Date of Patent: June 1, 2010Assignee: Basell Pololefine Italia s.r.l.Inventors: Anteo Pelliconi, Enea Garagnani, Giampaolo Pellegatti, Antonella Angelini
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Publication number: 20100121015Abstract: A 1-butene/propylene copolymer composition having a content of propylene derived units from 4 to 10% by weight, wherein at least 50% of the polymer is present in the thermodynamically stable, trigonal form 1 after 100 hours at room temperature, said composition comprising: a) from 5% by weight to 95% by weight of an atactic 1-butene propylene copolymer having the following features: i) distribution of molecular weight Mw/Mn equal to or lower than 4; ii) no enthalpy of fusion detectable at a differential scanning calorimeter (DSC); and iii) infrared crystallinity lower than 0.5%; b) from 5% by weight to 95% by weight of an isotactic 1-butene propylene copolymer having the following features: i) isotactic pentads (mmmm) measured by 13C-NMR, higher than 80%; ii) melting point (Tm(II)) higher than 70° C.; and iii) distribution of molecular weight Mw/Mn equal to or lower than 4.Type: ApplicationFiled: August 23, 2007Publication date: May 13, 2010Applicant: BASELL POLYOLEFINE GMBHInventors: Giampaolo Pellegatti, Daniele Bigiavi, Rita Martelli, Maria Silvia Tonti, Luigi Resconi, Simona Guidotti
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Publication number: 20100121011Abstract: A 1-butene/propylene copolymer composition having a content of propylene derived units from 1 to 4% by weight, wherein at least 50% of the crystalline polymer is present in the thermodynamically stable, trigonal Form I (detected by DSC analysis) after 100 hours of the first melting at room temperature comprising: b) from 5% by weight to 95% by weight of an atactic 1-butene propylene copolymer having the following features: i) distribution of molecular weight Mw/Mn equal to or lower than 4; ii) no enthalpy of fusion detectable at a differential scanning calorimeter (DSC); and iii) infrared crystallinity lower than 0.5%; b) from 5% by weight to 95% by weight of an isotactic 1-butene propylene copolymer having the following features: isotactic pentads (mmmm) measured by C-NMR, higher than 80%; i) ii) melting point (Tm(II)) higher than 70° C.; and iii) distribution of molecular weight Mw/Mn equal to or lower than 4.Type: ApplicationFiled: August 22, 2007Publication date: May 13, 2010Applicant: Basell Polyolefine GmbHInventors: Giampaolo Pellegatti, Daniele Bigiavi, Rita Martelli, Maria Silvia Tonti, Luigi Resconi, Simona Guidotti
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Publication number: 20100119752Abstract: Butene-1 terpolymers having a content of propylene derived units of 0.5-13% mol, and a content of ethylene derived units of 1-3% mol, a ratio C3/C2 of the content of propylene and ethylene derived units is of from 1 to 10, said butene-1 terpolymers having a melt flow rate MIE, measured at 190° C./2.16 Kg of from 0.3 to 3 g/10 min, and a molecular weight distribution curve determined by GPC with a ratio Mw/Mn of from 4 to 10, and the portion of molecular weights of 1×105 or lower, accounting for 22% or larger of the total area.Type: ApplicationFiled: April 11, 2008Publication date: May 13, 2010Applicant: Basell Poliolefine Italia s.r.L.Inventors: Giampaolo Pellegatti, Stefano Spataro
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Publication number: 20100093940Abstract: A polyolefin composition comprising, in percent by weight: A) 20-35% of a propylene homopolymer or copolymer with up to 8% of comonomer(s); B) 65-80% of a copolymer of ethylene and (i) propylene or (ii) CH2?CHR alpha-olefins, where R is a 2-8 carbon alkyl radical, or (iii) a combination thereof, optionally with minor amounts of a diene, containing from 40 to less than 54% of ethylene; wherein the weight ratio B/XS of the content B of copolymer component (B) to the fraction XS soluble in xylene at room temperature, both referred to the total weight of (A)+(B), is of 1.25 or less.Type: ApplicationFiled: October 24, 2007Publication date: April 15, 2010Inventors: Paolo Goberti, Giampaolo Pellegatti, Letizia Baraldi
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Publication number: 20100063207Abstract: A polyolefin composition comprising, in percent by weight: A) 10-25% of a propylene homopolymer or copolymer with up to 8% of comonomer(s); B) 75-90% of a copolymer of ethylene and (i) propylene or (ii) CH2?CHR alpha-olefins, where R is a 2-8 carbon alkyl radical, or (iii) a combination thereof, optionally with minor amounts of a diene, containing from 54 to 65% of ethylene; wherein the weight ratio B/XS of the content B of copolymer component (B) to the fraction XS soluble in xylene at room temperature, both referred to the total weight of (A)+(B), is of 1.50 or less.Type: ApplicationFiled: October 24, 2007Publication date: March 11, 2010Applicant: Basell Poliolefine Italia s.r.l.Inventors: Paolo Goberti, Giampaolo Pellegatti, Letizia Baraldi
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Publication number: 20090326156Abstract: butene-1 copolymers containing: a) from 1 to 7% by mole of ethylene derived units, and b) from 3 to 20% by mole of units derived from one or more alpha-olefin(s) having general formula H2C?CHR, wherein R is methyl or a linear or branched alkyl radical C3-C8; said copolymers having a molecular weight distribution with a ratio Mw| Mn of less than or equal to 4 and a (b)/(a) molar ratio of more than or equal to 2.3.Type: ApplicationFiled: May 17, 2007Publication date: December 31, 2009Inventors: Giampaolo Pellegatti, Stefano Spataro, Fabrizio Piemontesi, Gianni Vitale
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Publication number: 20090270560Abstract: Propylene-ethylene copolymers are flexible and show a very good balance between softness and mechanical properties in their crude state are obtained by solution polymerization in the presence of Ziegler-Natta catalysts. The said copolymers comprise from 10 to 50% wt of ethylene and are characterized by: product of the comonomer reactivity ratio r1·r2?1.5; absence of 2,1 propylene insertions and tensile strength at break higher than 4 Mpa.Type: ApplicationFiled: November 10, 2006Publication date: October 29, 2009Applicant: Basell Poliolefine Italia s.r.l.Inventors: Dino Bacci, Anna Fait, Giampiero Morini, Giampaolo Pellegatti, Fabrizio Piemotesi
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Publication number: 20090171018Abstract: Elastoplastic polyolefin composition comprising, in percent by weight: A) 10-50% of a copolymer of propylene with one or more comonomer(s) selected from ethylene and CH2?CHR alpha-olefins where R is a 2-8 carbon alkyl, which copolymer contains from 1 to 8% of comonomer(s); B) 50-90% of a copolymer of ethylene and (i) propylene or (ii) CH2?CHR alpha-olefins, where R is a 2-8 carbon alkyl radical, or (iii) a combination thereof, optionally with minor amounts of a diene, containing from 57 to 80% of ethylene; wherein the weight ratio B/XS of the content B of copolymer component (B) to the fraction XS soluble in xylene at room temperature, both referred to the total weight of (A)+(B), is of 1.5 or less, and the intrinsic viscosity [?] of the said XS fraction is of 3 dl/g or more.Type: ApplicationFiled: September 18, 2006Publication date: July 2, 2009Inventors: Giampaolo Pellegatti, Paolo Goberti, Michael Balow, Robert Butala
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Publication number: 20090156748Abstract: Polyolefin composition comprising, in percent by weight: A) 10-50% of a copolymer of propylene with one or more comonomer(s) selected from ethylene and CH2?CHR alpha-olefins where R is a 2-8 carbon alkyl, which copolymer contains from 1 to 8% of comonomer(s); B 50-90% of a blend of copolymers (bI) and (bII), wherein copolymer (bI) contains from 18 to 40% of ethylene, and copolymer (bII) contains from 55 to 85% of ethylene, and the weight ratio (bI)/(bII) is from 0.2 to 2; in which composition the copolymer component (bI) is present in amounts of 15% or more with respect to the total weight of (A)+(B), the weight ratio C2II/C2I of the content C2II of ethylene in copolymer component (bII) to the content C2I of ethylene in copolymer component (bI) is of 1.8 or more, and the intrinsic viscosity [?] of the fraction XS soluble in xylene at room temperature (about 25° C.), referred to the total weight of (A)+(B), is of 2 dl/g or more.Type: ApplicationFiled: October 11, 2006Publication date: June 18, 2009Applicant: Basell Poliolefine Italia S.r.l.Inventors: Giampaolo Pellegatti, Paolo Goberti