Patents by Inventor Paolo Goberti
Paolo Goberti 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: 9290648Abstract: Flexible polyolefin compositions with improved balance of properties particularly for applications where softness and ductility at low temperature is requested comprising: A) from 20 to 40% by weight of a crystalline polymer fraction consisting of a propylene homopolymer, or a copolymer of propylene, or mixtures thereof, said crystalline fraction having a xylene insoluble fraction at 25° C. of at least 90% by weight. B) from 60 to 80% by weight of an elastomeric fraction consisting of a copolymer or blend of copolymers of propylene with one or more alpha-olefins, and optionally with minor quantities of a diene; said copolymer or blend containing ethylene in a quantity lower than 40% by weight. the fraction soluble in xylene at 25° C. of said polyolefin composition having IVgpc lower than 2.5 dl/g, Mw/Mn (GPC) equal to or higher than 4, Mz/Mw (GPC) equal to or higher than 2.Type: GrantFiled: May 9, 2012Date of Patent: March 22, 2016Assignee: Basell Poliolefine Italia S.r.l.Inventors: Paolo Goberti, Giampaolo Pellegatti, Luca Lunghi
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Patent number: 9260597Abstract: Flexible highly filled polyolefin compositions with improved balance of properties particularly for applications where softness and ductility at low temperature is requested comprising a soft heterophasic polyolefin composition the fraction soluble in xylene at 25° C. of said polyolefin composition having IVgpc lower than 2.5 dl/g. Mw/Mn (GPC) equal to or higher than 4. Mz/Mw (GPC) equal to or higher than 2.5. Said polyolefin composition further comprising an inorganic filler (II) selected from flame-retardant inorganic fillers and inorganic oxides or salts and a further elastomeric polymer or polymer composition component (c) having flexural modulus (ISO 178) lower than 60 MPa, Shore A (ISO 868) lower than 90 and Tg (DMTA) lower than ?20° C.Type: GrantFiled: May 9, 2012Date of Patent: February 16, 2016Assignee: Basell Poliolefine Italia S.r.l.Inventors: Paolo Goberti, Giampaolo Pellegatti, Luca Lunghi
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Patent number: 9029455Abstract: 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 molding and has better tensile properties than compositions in which processability is improved by visbreaking.Type: GrantFiled: July 29, 2008Date of Patent: May 12, 2015Assignee: Basell Poliolefine Italia S.r.l.Inventors: Paolo Goberti, Johan De Clippeleir, Giampaolo Pellegatti, Friederike Morhard, Stefano Spataro
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Patent number: 8940837Abstract: The present invention is a polyolefin composition, which comprises a thermoplastic olefin polymer and a polyethylene. The thermoplastic olefin polymer (TPO) comprises a polypropylene and an olefin copolymer and is present in an amount of about 10 weight percent to about 50 weight percent; the TPO has a density in the range of about 0.85 g/cm3 to about 0.92 g/cm3 and a flexural modulus of less than about 700 MPa as measured by ISO 178. The polyethylene is either a medium density polyethylene or a high density polyethylene and present in an amount of about 50 weight percent to about 90 weight percent. The polyolefin composition is useful for preparing articles of manufacture such as sheets, roofing membranes, geomembranes, soft skins, drawn tapes, drawn fibers, and drawn filaments.Type: GrantFiled: August 8, 2013Date of Patent: January 27, 2015Assignee: Equistar Chemicals, LPInventors: Fabio Ceccarani, Paolo Goberti
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Patent number: 8796385Abstract: 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: GrantFiled: December 9, 2008Date of Patent: August 5, 2014Assignee: Basell Poliolefine Italia S.r.l.Inventors: Giampaolo Pellegatti, Paolo Goberti
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Patent number: 8779063Abstract: A cross-linked composition, obtained by cross-linking polyolefin composition comprising, all percentages being by weight: A) from 5 to 38% of a polypropylene component; B) from 35 to 85% of a copolymer of ethylene with propylene, containing from 42 to 70% of ethylene and having solubility in xylene at room temperature greater than 50%; C) from 5 to 45% of a polymer composition comprising a blend of: i) from 20 to 80% of an ethylene copolymer having a Shore A hardness value equal to or lower than 90 points and containing up to 45% of at least one ?-olefin comonomer, provided that, when propylene is present as comonomer, such copolymer i) has a composition which is different from B); ii) from 20 to 80% of a propylene copolymer having a Shore A hardness value equal to or lower than 90 points and containing up to 40% of at least one ?-olefin comonomer; wherein the amounts of A), B) and C) are referred to the total weight of A)+B)+C) and the amounts of i) and ii) are referred to the weight of C).Type: GrantFiled: June 23, 2011Date of Patent: July 15, 2014Assignee: Basell Poliolefine Italia S.r.l.Inventors: Kazuhiko Minowa, Yukihiro Hisanaga, Paolo Goberti, Giampaolo Pellegatti
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Patent number: 8735498Abstract: Soft polyolefin composition with improved processability comprising from 8 to 45% by weight of a polypropylene component (A), from 45 to 82% by weight of a polyolefin component (B), and from 5 to 25% by weight of a butene-1 (co)polymer (C) having a flexural modulus of 60 MPa or less.Type: GrantFiled: November 8, 2010Date of Patent: May 27, 2014Assignee: Basell Poliolefine Italia S.r.l.Inventors: Giampaolo Pellegatti, Paolo Goberti, Johan De Clippeleir, Stefano Spataro
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Patent number: 8722808Abstract: 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: GrantFiled: October 11, 2006Date of Patent: May 13, 2014Assignee: Basell Poliolefine Italia S.r.l.Inventors: Giampaolo Pellegatti, Paolo Goberti
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Publication number: 20140087186Abstract: Flexible polyolefin compositions with improved balance of properties particularly for applications where softness and ductility at low temperature is requested comprising: A) from 20 to 40% by weight of a crystalline polymer fraction consisting of a propylene homopolymer, or a copolymer of propylene, or mixtures thereof, said crystalline fraction having a xylene insoluble fraction at 25° C. of at least 90% by weight. B) from 60 to 80% by weight of an elastomeric fraction consisting of a copolymer or blend of copolymers of propylene with one or more alpha-olefins, and optionally with minor quantities of a diene; said copolymer or blend containing ethylene in a quantity lower than 40% by weight. the fraction soluble in xylene at 25° C. of said polyolefin composition having IVgpc lower than 2.5 dl/g, Mw/Mn (GPC) equal to or higher than 4, Mz/Mw (GPC) equal to or higher than 2.Type: ApplicationFiled: May 9, 2012Publication date: March 27, 2014Applicant: Basell Poliolefine Italia S.r.l.Inventors: Paolo Goberti, Giampaolo Pellegatti, Luca Lunghi
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Publication number: 20140080953Abstract: Flexible highly filled polyolefin compositions with improved balance of properties particularly for applications where softness and ductility at low temperature is requested comprising a soft heterophasic polyolefin composition the fraction soluble in xylene at 25° C. of said polyolefin composition having IVgpc lower than 2.5 dl/g. Mw/Mn (GPC) equal to or higher than 4. Mz/Mw (GPC) equal to or higher than 2.5. Said polyolefin composition further comprising an inorganic filler (II) selected from flame-retardant inorganic fillers and inorganic oxides or salts and a further elastomeric polymer or polymer composition component (c) having flexural modulus (ISO 178) lower than 60 MPa, Shore A (ISO 868) lower than 90 and Tg (DMTA) lower than ?20° C.Type: ApplicationFiled: May 9, 2012Publication date: March 20, 2014Applicant: Basell Poliolefine Italia S.r.l.Inventors: Paolo Goberti, Giampaolo Pellegatti, Luca Lunghi
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Patent number: 8669327Abstract: A cross-linked composition obtained by cross-linking a polyolefin composition (I) comprising, all percentages being by weight: A) from 5 to 38% of a polypropylene; B) from 35 to 85% of a copolymer of ethylene with propylene, containing from 42 to 70% of ethylene and having solubility in xylene at room temperature greater than 50%; C) from 5 to 40% of a butene-1 homopolymer or copolymer having: a content of butene-1 derived units of 75% or more; a flexural modulus of 100 MPa or less; and optionally, D) from 5 to 35% of one or more polymers different from B) in composition, having a Shore A hardness value equal to or lower than 90 points, wherein the content of butene-1, if present, is of less than 50%; in which composition (I) the amounts of A), B), C) and D) are referred to the total weight of A)+B)+C) and optionally D), and when D) is present, the total weight of C)+D) is of 50% or less, referred to the total weight of A)+B)+C)+D).Type: GrantFiled: June 23, 2011Date of Patent: March 11, 2014Assignee: Basell Poliolefine Italia S.r.l.Inventors: Kazuhiko Minowa, Yukihiro Hisanaga, Paolo Goberti, Giampaolo Pellegatti
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Publication number: 20140045998Abstract: The present invention is a polyolefin composition, which comprises a thermoplastic olefin polymer and a polyethylene. The thermoplastic olefin polymer (TPO) comprises a polypropylene and an olefin copolymer and is present in an amount of about 10 weight percent to about 50 weight percent; the TPO has a density in the range of about 0.85 g/cm3 to about 0.92 g/cm3 and a flexural modulus of less than about 700 MPa as measured by ISO 178. The polyethylene is either a medium density polyethylene or a high density polyethylene and present in an amount of about 50 weight percent to about 90 weight percent. The polyolefin composition is useful for preparing articles of manufacture such as sheets, roofing membranes, geomembranes, soft skins, drawn tapes, drawn fibers, and drawn filaments.Type: ApplicationFiled: August 8, 2013Publication date: February 13, 2014Applicants: Basell Poliolefine Italia, S.r.l., Equistar Chemical, LPInventors: Fabio Ceccarani, Paolo Goberti
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Publication number: 20130102735Abstract: A cross-linked composition obtained by cross-linking a polyolefin composition (I) comprising, all percentages being by weight: A) from 5 to 38% of a polypropylene; B) from 35 to 85% of a copolymer of ethylene with propylene, containing from 42 to 70% of ethylene and having solubility in xylene at room temperature greater than 50%; C) from 5 to 40% of a butene-1 homopolymer or copolymer having: a content of butene-1 derived units of 75% or more; a flexural modulus of 100 MPa or less; and optionally, D) from 5 to 35% of one or more polymers different from B) in composition, having a Shore A hardness value equal to or lower than 90 points, wherein the content of butene-1, if present, is of less than 50%; in which composition (I) the amounts of A), B), C) and D) are referred to the total weight of A)+B)+C) and optionally D), and when D) is present, the total weight of C)+D) is of 50% or less, referred to the total weight of A)+B)+C)+D).Type: ApplicationFiled: June 23, 2011Publication date: April 25, 2013Applicant: BASELL POLIOLEFINE ITALIA, S.R.L.Inventors: Kazuhiko Minowa, Yukihiro Hisanaga, Paolo Goberti, Giampaolo Pellegatti
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Publication number: 20130096261Abstract: A cross-linked composition, obtained by cross-linking polyolefin composition comprising, all percentages being by weight: A) from 5 to 38% of a polypropylene component; B) from 35 to 85% of a copolymer of ethylene with propylene, containing from 42 to 70% of ethylene and having solubility in xylene at room temperature greater than 50%; C) from 5 to 45% of a polymer composition comprising a blend of: i) from 20 to 80% of an ethylene copolymer having a Shore A hardness value equal to or lower than 90 points and containing up to 45% of at least one ?-olefin comonomer, provided that, when propylene is present as comonomer, such copolymer i) has a composition which is different from B); ii) from 20 to 80% of a propylene copolymer having a Shore A hardness value equal to or lower than 90 points and containing up to 40% of at least one ?-olefin comonomer; wherein the amounts of A), B) and C) are referred to the total weight of A)+B)+C) and the amounts of i) and ii) are referred to the weight of C).Type: ApplicationFiled: June 23, 2011Publication date: April 18, 2013Applicant: BASELL POLIOLEFINE ITALIA, S.R.L.Inventors: Kazuhiko Minowa, Yukihiro Hisanaga, Paolo Goberti, Giampaolo Pellegatti
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Patent number: 8378032Abstract: 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: GrantFiled: March 26, 2012Date of Patent: February 19, 2013Assignee: Basell Poliolefine Italia s.r.l.Inventors: Giampaolo Pellegatti, Paolo Goberti, Michael Balow, Robert Butala
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Patent number: 8378028Abstract: Polyolefin composition, comprising in percent by weight: 1) 75-85% of a copolymer of propylene, said copolymer containing up to 15% by weight, of ethylene and/or C4-C10 ?-olefin(s) and having a fraction soluble in Xilene at room temperature lower than 6% by weight, and 2) 15-25% of a copolymer of ethylene with one or more C4-C10 ?-olefin(s) containing from 10 to 25% by weight of said C4-C10 ?-olefin(s); said composition having the value of MFR, measured at 230° C., 2.16 kg, of less than 2.5 g/10 min, the total content of ethylene of from 14 to 22% by weight, the total content of C4-C10 ?-olefin(s) of less than 4.5% by weight, the ratio of the total content of ethylene to the total content of C4-C10 ?-olefin(s) equal to or higher than 4, the value of the intrinsic viscosity of the total fraction soluble in xylene at room temperature equal to or less than 1.5 dl/g, and the ratio of the amount of component 2) and the amount of C4-C10 ?-olefin(s) in component 2) equal to or higher than 0.80.Type: GrantFiled: February 4, 2009Date of Patent: February 19, 2013Assignee: Basell Poliolefine Italia, S.R.L.Inventors: Paola Massari, Marco Ciarafoni, Gisella Biondini, Paolo Goberti
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Publication number: 20120264883Abstract: Soft polyolefin composition with improved processability comprising from 8 to 45% by weight of a polypropylene component (A), from 45 to 82% by weight of a polyolefin component (B), and from 5 to 25% by weight of a butene-1 (co)polymer (C) having a flexural modulus of 60 MPa or less.Type: ApplicationFiled: November 8, 2010Publication date: October 18, 2012Applicant: BASELL POLIOLEFINE ITALIA S.R.L.,Inventors: Giampaolo Pellegatti, Paolo Goberti, Johan De Clippeleir, Stefano Spataro
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Publication number: 20120184675Abstract: 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: March 26, 2012Publication date: July 19, 2012Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: Giampaolo Pellegatti, Paolo Goberti, Michael Balow, Robert Butala
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Patent number: 8080616Abstract: 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: GrantFiled: September 29, 2008Date of Patent: December 20, 2011Assignee: Basell Poliolefine Italia s.r.l.Inventors: Giampaolo Pellegatti, Paolo Goberti, Letizia Baraldi, Kazuhiko Minowa, Yukihiro Hisanaga
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Patent number: 8071686Abstract: 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: GrantFiled: October 24, 2007Date of Patent: December 6, 2011Assignee: Basell Poliolefine Italia s.r.l.Inventors: Paolo Goberti, Giampaolo Pellegatti, Letizia Baraldi