Patents by Inventor Jean News
Jean News 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: 9290630Abstract: Polyolefin compositions, comprising (percent by weight): 1) 55-80% of a homopolymer or copolymer of propylene, said copolymer containing up to 15% of ethylene and/or C4-C10 ?-olefin(s). 2) 20-45% of a copolymer of ethylene with one or more C4-C10 ?-olefin(s) containing from 10 to 40% of said C4-C10 ?-olefin(s); said compositions having values of MFR (230° C., 2.16 kg) up to 20 g/10 min, a total content of ethylene of 20% or more, a total content of C4-C10 ?-olefin(s) of 4.5% or more, a ratio of the total content of ethylene to the total content of C4-C10 ?-olefin(s) of 2.3 or more, a total fraction soluble in xylene at room temperature of 18 wt % or higher and flexural modulus, referred to the composition as a reactor grade, of more than 700 MPa.Type: GrantFiled: October 10, 2007Date of Patent: March 22, 2016Assignee: Basell Poliolefine Italia S.r.l.Inventors: Roberta Marzolla, Marco Ciarafoni, Michele Grazzi, Paola Massari, Jean News
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Patent number: 9045629Abstract: A polypropylene composition comprising 65-77 wt % of a crystalline propylene polymer, 8 to less than 13 wt % of an elastomeric copolymer and 10-23 wt % of polyethylene. The said composition exhibits a flexural modulus value higher than 1300 MPa, stress-whitening resistance values corresponding to a diameter of the whitened area of at most 1.7 cm caused by a ram falling from a 76 cm height and a diameter of the whitened area of at most 1.2 cm caused by a ram falling from a 20 cm height, and a value of Izod impact resistance at 23° C. more than 14 kJ/m2 and the one at ?20° C. at least 5 kJ/m2.Type: GrantFiled: May 5, 2006Date of Patent: June 2, 2015Assignee: Basell Poliolefine Italia S.r.l.Inventors: Paola Massari, Marco Ciarafoni, Jean News
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Patent number: 7872074Abstract: The present invention provides polyolefin composition comprising a 50-80 wt % of propylene homopolymer or copolymer and a first and a second ethylene/alpha-olefin copolymer, said composition having good stress whitening resistance and gloss, in combination with a good balance of mechanical properties.Type: GrantFiled: November 14, 2006Date of Patent: January 18, 2011Assignee: Basell Poliolefine Italia s.r.l.Inventors: Paola Massari, Jean News, Marco Ciarafoni
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Patent number: 7795352Abstract: A polypropylene composition comprising (percent by weight) (a) 50-77% of a crystalline propylene polymer having an amount of isotactic pentads (mmmm), measured by 13C-MNR on the fraction insoluble in xylene at 25° C., higher than 97.5 molar % and a polydispersity index ranging from 4 to 10; (b) 13-28% of an elastomeric copolymer of ethylene and propylene, the copolymer having an amount of recurring units deriving from ethylene ranging from 30 to 70% and being partially soluble in xylene at ambient temperature, the polymer fraction soluble in xylene at ambient temperature having an intrinsic viscosity value ranging from 2 to 4 dl/g; and (c) 10-22% of polyethylene having an intrinsic viscosity value ranging from 1 to 3 dl/g, in said composition component (b) plus component (c) being in amounts of at least 25 wt %. The polymer composition exhibits good impact resistant, whitening resistance and relatively low stiffness.Type: GrantFiled: November 28, 2005Date of Patent: September 14, 2010Assignee: Basell Poliolefine Italia s.r.l.Inventors: Paola Massari, Marco Ciarafoni, Jean News
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Patent number: 7772346Abstract: Propylene polymers having a content of isotactic pentads (mmmm) higher than 97%, molecular weight distribution, expressed by the formula (a) ratio, equal to or higher than 6 and a value of formula (b) ratio equal to or lower than 5.5. The said polymers are prepared in the presence of a particular combination of Ziegler-Natta solid catalyst components and highly stereoregulating electron-donor compounds. Laminated articles, in particular bi-axially oriented films and sheets, can be prepared with the said polymers.Type: GrantFiled: August 1, 2006Date of Patent: August 10, 2010Assignee: Basell Poliolefine Italia s.r.l.Inventors: Els Meesters, Jean News, Alessandro Guidicini
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Publication number: 20100056719Abstract: Polyolefin compositions, comprising (percent by weight): 1) 55-80% of a homopolymer or copolymer of propylene, said copolymer containing up to 15% of ethylene and/or C4-C10 ?-olefin(s). 2) 20-45% of a copolymer of ethylene with one or more C4-C10 ?-olefin(s) containing from 10 to 40% of said C4-C10 ?-olefin(s); said compositions having values of MFR (230° C., 2.16 kg) up to 20 g/10 min, a total content of ethylene of 20% or more, a total content of C4-C10 ?-olefin(s) of 4.5% or more, a ratio of the total content of ethylene to the total content of C4-C10 ?-olefin(s) of 2.3 or more, a total fraction soluble in xylene at room temperature of 18 wt % or higher and flexural modulus, referred to the composition as a reactor grade, of more than 700 MPa.Type: ApplicationFiled: October 10, 2007Publication date: March 4, 2010Applicant: Basell Poliolefine Italy s.r.I.Inventors: Roberta Marzolla, Marco Ciarafoni, Michele Grazzi, Paola Massari, Jean News
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Patent number: 7649052Abstract: A heterophasic polyolefin composition comprising: (A) 50-0% of a crystalline propylene polymer; (B) 5-20% of a first elastomeric copolymer of ethylene with at least a C3-C8 ?-olefin comonomer; and (C) 10-45% of a second elastomeric copolymer of ethylene with at least a C3-C8 ?-olefin comonomer; wherein the ratio between the ethylene content of the fraction insoluble in xylene at room temperature (C2xif) multiplied by the weight percentage of the fraction insoluble in xylene at room temperature (% XIF) and the ethylene content of the fraction soluble in xylene at room temperature (C2xsf) multiplied by the weight percentage of fraction soluble in xylene at room temperature (% SXF) satisfies the following relation (I): C 2 ? xif × % ? XIF C 2 ? xsf × % ? SXF > 0.01 ? x + 0.261 , wherein x is the total amount of ethylene.Type: GrantFiled: May 4, 2005Date of Patent: January 19, 2010Assignee: Basell Poliolefine Italia s.r.l.Inventors: Paola Massari, Jean News, Marco Ciarafoni
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Publication number: 20090283935Abstract: The present invention provides polyolefin composition comprising a 50-80 wt % of propylene omopolymer or copolymer and a first and a second ethylene/alpha-olefin copolymer, said composition having good stress whitening resistance and gloss, in combination with a good balance of mechanical properties.Type: ApplicationFiled: November 14, 2006Publication date: November 19, 2009Inventors: Paola Massari, Jean News, Marco Ciarafoni
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Publication number: 20090253868Abstract: A polypropylene composition comprising 65-77 wt % of a crystalline propylene polymer, 8 to less than 13 wt % of an elastomeric copolymer and 10-23 wt % of polyethylene. The said composition exhibits a flexural modulus value higher than 1300 MPa, stress-whitening resistance values corresponding to a diameter of the whitened area of at most 1.7 cm caused by a ram falling from a 76 cm height and a diameter of the whitened area of at most 1.2 cm caused by a ram falling from a 20 cm height, and a value of Izod impact resistance at 23° C. more than 14 kJ/m2 and the one at ?20° C. at least 5 kJ/m2.Type: ApplicationFiled: May 5, 2006Publication date: October 8, 2009Applicant: Basell Poliolefine Italia s.r.l.Inventors: Paola Massari, Marco Ciarafoni, Jean News
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Patent number: 7482406Abstract: Olefin polymer composition comprising (by weight, unless otherwise specified): A) 60-95% of a propylene homopolymer or copoloymer having a Polydispersity Index (P.I.) value of from 4.6 to 10 and a content of isotactic pentads (mmmm), measured by 13C NMR on the fraction insoluble in xylene at 25° C., higher than 98 molar, B) 5-40% of a copolymer of ethylene containing from 40% to 70% of propylene or C4-C10 ?-olefins) or of combinations thereof, and optionally minor proportions of a diene; said composition having a Temperature Rising Elution Fractionation (TREF) profile, obtained by fractionation in xylene and collection of fractions at temperatures of 40° C., 80° C. and 90° C., in which the ethylene content Y of the fraction collected at 90° C. satisfies the following relation (1): Y??0.8+0.035X+0.0091X2 wherein X is the ethylene content of the fraction collected at 40° C. and both X and Y are expressed in percent by weight, and a value of intrinsic viscosity [?] of the fraction soluble in xylene at 25° C.Type: GrantFiled: March 29, 2004Date of Patent: January 27, 2009Assignee: Basell Poliolefine Italia s.r.l.Inventors: Jean News, Paola Massari, Hans-Jürgen Zimmermann
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Publication number: 20080167428Abstract: A polypropylene composition comprising (percent by weight) (a) 50-77 % of a crystalline propylene polymer having an amount of isotactic pentads (mmmm), measured by 13C-MNR on the fraction insoluble in xylene at 25° C., higher than 97.5 molar % and a polydispersity index ranging from 4 to 10; (b) 13-28 % of an elastomeric copolymer of ethylene and propylene, the copolymer having an amount of recurring units deriving from ethylene ranging from 30 to 70 % and being partially soluble in xylene at ambient temperature, the polymer fraction soluble in xylene at ambient temperature having an intrinsic viscosity value ranging from 2 to 4 dl/g; and (c) 10-22 % of polyethylene having an intrinsic viscosity value ranging from 1 to 3 dl/g, in said composition component (b) plus component (c) being in amounts of at least 25 wt %. The polymer composition exhibits good impact resistant, whitening resistance and relatively low stiffness.Type: ApplicationFiled: November 28, 2005Publication date: July 10, 2008Applicant: Basell Poliolefine Italia S.R.L.Inventors: Paola Massari, Marco Ciarafoni, Jean News
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Publication number: 20070203298Abstract: A heterophasic polyolefin composition comprising (percent by weight): (A) 50-0% of a crystalline propylene polymer having a polydispersity index value from 5.2 to 10 and a content of isotactic pentads (mmmm) higher than 97.5 molar %; said polymer containing at least 95% of recurring units deriving from propylene; (B) 5-20% of a first elastomeric copolymer of ethylene with at least a C3-C8 ?-olefin comonomer, said copolymer containing from 25 to less than 40% of ethylene, and being soluble in xylene at room temperature in an amount from higher 85 to 95 wt % the intrinsic viscosity [?] of the xylene soluble fraction ranging from 2.5 to 4.5 dL/g; and (C) 10-45% of a second elastomeric copolymer of ethylene with at least a C3-C8 ?-olefin comonomer, said copolymer containing from 50 up to 75% of ethylene, and being soluble in xylene at room temperature in an amount from 50 to 85 wt %, the intrinsic viscosity [?] of the xylene soluble fraction ranging from 1.8 to 4.Type: ApplicationFiled: May 4, 2005Publication date: August 30, 2007Applicant: Basell Poliolefine Italia s.r.l.Inventors: Paola Massari, Jean News, Marco Ciarafoni
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Publication number: 20070010625Abstract: Olefin polymer composition comprising (by weight, unless otherwise specified): A) 60-95% of a propylene homopolymer or copoloymer having a Polydispersity Index (P.I.) value of from 4.6 to 10 and a content of isotactic pentads (mmmm), measured by 13C NMR on the fraction insoluble in xylene at 25° C., higher than 98 molar, B) 5-40% of a copolymer of ethylene containing from 40% to 70% of propylene or C4-C10 ?-olefins) or of combinations thereof, and optionally minor proportions of a diene; said composition having a Temperature Rising Elution Fractionation (TREF) profile, obtained by fractionation in xylene and collection of fractions at temperatures of 40° C., 80° C. and 90° C., in which the ethylene content Y of the fraction collected at 90° C. satisfies the following relation (1): Y?0.8+0.035X+0.0091X2 wherein X is the ethylene content of the fraction collected at 40° C. and both X and Y are expressed in percent by weight, and a value of intrinsic viscosity [?] of the fraction soluble in xylene at 25° C.Type: ApplicationFiled: March 29, 2004Publication date: January 11, 2007Applicant: Bassell Polioefine Italia s.r.l.Inventors: Jean News, Paola Massari, Hans-Jurgen Zimmermann
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Publication number: 20060264585Abstract: Propylene polymers having a content of isotactic pentads (mmmm) higher than 97%, molecular weight distribution, expressed by the formula (a) ratio, equal to or higher than 6 and a value of formula (b) ratio equal to or lower than 5.5. The said polymers are prepared in the presence of a particular combination of Ziegler-Natta solid catalyst components and highly stereoregulating electron-donor compounds. Laminated articles, in particular bi-axially oriented films and sheets, can be prepared with the said polymers.Type: ApplicationFiled: August 1, 2006Publication date: November 23, 2006Applicant: Basell Poliolefine Italia S.p.A.Inventors: Els Meesters, Jean News, Alessandro Guidicini
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Patent number: 7112642Abstract: Propylene polymers having a content of isotactic pentads (mmmm) higher than 97%, molecular weight distribution, expressed by the formula (a) ratio, equal to or higher than 6 and a value of formula (b) ratio equal to or lower than 5.5. The said polymers are prepared in the presence of a particular combination of Ziegler-Natta solid catalyst components and highly stereoregulating electron-donor compounds. Laminated articles, in particular bi-axially oriented films and sheets, can be prepared with the said polymers {overscore (M)}w/{overscore (M)}n ??(a) {overscore (M)}z/{overscore (M)}w.Type: GrantFiled: July 30, 2003Date of Patent: September 26, 2006Assignee: Basell Poliolefine Italia S.p.A.Inventors: Els Meesters, Jean News, Alessandro Guidicini
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Publication number: 20060009594Abstract: Propylene polymers having a content of isotactic pentads (mmmm) higher than 97%, molecular weight distribution, expressed by the formula (a) ratio, equal to or higher than 6 and a value of formula (b) ratio equal to or lower than 5.5. The said polymers are prepared in the presence of a particular combination of Ziegler-Natta solid catalyst components and highly stereoregulating electron-donor compounds. Laminated articles, in particular bi-axially oriented films and sheets, can be prepared with the said polymers.Type: ApplicationFiled: July 30, 2003Publication date: January 12, 2006Applicant: Basell Poliolefine italia S.p.A.Inventors: Els Meesters, Jean News, Alessandro Guidicini
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Patent number: 6673869Abstract: An elastomeric thermoplastic polyolefin composition comprising (I) a crystalline propylene polymer containing at least 80% by weight of a fraction insoluble in xylene at room temperature, the intrinsic viscosity being higher than 0.5 dL/g; (II) an atactic or amorphous propylene polymer having an intrinsic viscosity higher than 0.5 dL/g; and (III) an elastomeric olefin polymer comprising copolymers of ethylene with a comonomer selected from C3-C8 &agr;-olefins, the intrinsic viscosity ranging from 1 to 4 dL/g. In said polyolefin composition the density of the elastomeric olefin polymer (deOP) satisfies the following relationship: deOP±0.005={dcPP×[wcPP/(wcPP+waPP)]}+{daPP×[waPP/(wcPP+waPP)]} (1) wherein wcPP and waPP are the weight percentage content of components (I) and (II) respectively and dcPP and daPP are the density at room temperature of components (I) and (II) respectively.Type: GrantFiled: July 25, 2001Date of Patent: January 6, 2004Assignee: Basell Poliolefine Italia S.p.A.Inventors: Rosanna Silvestri, Jean News
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Publication number: 20020035210Abstract: An elastomeric thermoplastic polyolefin composition comprising (I) a crystalline propylene polymer containing at least 80% by weight of a fraction insoluble in xylene at room temperature, the intrinsic viscosity being higher than 0.5 dL/g; (II) an atactic or amorphous propylene polymer having an intrinsic viscosity higher than 0.5 dL/g; and (III) an elastomeric olefin polymer comprising copolymers of ethylene with a comonomer selected from C3-C8 &agr;-olefins, the intrinsic viscosity ranging from 1 to 4 dL/g.Type: ApplicationFiled: July 25, 2001Publication date: March 21, 2002Inventors: Rosanna Silvestri, Jean News
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Patent number: 6355731Abstract: A process for the preparation of heterophasic polyolefin compositions by (i) polymerizing to form (a) a crystalline propylene or ethylene polymer, and (b) an elastomeric copolymer of ethylene and a C3-C10 &agr;-olefin, wherein the polymerizations are carried out in the presence of a Ziegler-Natta catalyst, (ii) contacting the polymer obtained in (i) with: (a) a compound capable of deactivating the catalyst present in (i), and (b) a catalyst (2) obtained by contacting (I) a compound containing a transition metal M, and at least one ligand coordinated with the metal M by a &pgr; bond, and (II) a cocatalyst, and (iii) copolymerizing ethylene and a C3-C10 &agr;-olefin in the presence of the polymer treated as in (ii), and the catalyst (2).Type: GrantFiled: March 30, 2000Date of Patent: March 12, 2002Assignee: Montech USA Inc.Inventors: Gabriele Govoni, Massimo Covezzi, Jean News