Patents by Inventor Fiorella Pradella
Fiorella Pradella 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: 9527935Abstract: A propylene and 1-hexene copolymer containing from 0.5 wt % to less than 5 wt % of 1-hexene derived units said copolymer having: a) a melting point higher than 145° C.; b) a melt flow rate (MFR2) determined according to ISO method 1133 (230° C., 2.16 kg ranging from 10 dl/10 min to less than 60 dl/10 min; said copolymer being chemically degradated to MFR2 and wherein the ratio MFR2/MFR1 is comprised between 15 and 56; wherein MFR1 is the melt flow rate measured according to ISO method 1133 (230° C., 2.16 kg) of the propylene/1-hexene copolymer before the degradation.Type: GrantFiled: July 6, 2012Date of Patent: December 27, 2016Assignee: Basell Poliolefine Italia S.r.l.Inventors: Claudio Cavalieri, Monica Galvan, Fiorella Pradella
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Patent number: 9299963Abstract: A case for valve-regulated lead-acid battery comprising an olefin polymer composition comprising: A) From 60 wt % to 95 wt %, of a propylene homopolymer, or a copolymer of propylene containing 3% or less of ethylene, said homopolymer or copolymer having a Polydispersity Index (P.I.) value of from 4.6 to 10 and a fraction insoluble in xylene at 25° C., higher than 98 molar %; and B) from 5 wt % to 40 wt %, of a copolymer of propylene and ethylene containing from 30 wt % to 65 wt % of ethylene derived units; the sum A)+B) being 100.Type: GrantFiled: July 13, 2012Date of Patent: March 29, 2016Assignee: Basell Poliolefine Italia S.r.l.Inventors: Gisella Biondini, Marco Ciarafoni, Mara Destro, Paola Massari, Fiorella Pradella
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Patent number: 8785584Abstract: A propylene/ethylene/1-hexene terpolymer containing from 1.0 wt % to 2.5 wt %, of ethylene derived units and from 2.0 wt % to 4.0 wt % of 1-hexene derived units, the sum of the amounts of propylene, ethylene and 1-.hexene derived units being 100, having the following features: a) the amount (Wt %) of 1-hexene (C6) and the amount (Wt %) of ethylene (C2) fulfill the following relation: C2<?0.18C6+2.86; b) Polydispersity index (PI) ranging from 2 to 10; c) melting temperature ranging from 125° C., to 139° C.; d) solubility in xylene at 25° C. below 10 wt %; e) melt index (MFR) of from 4 to 6 g/10? dg/min, according to ISO method 1133; and f) crystallization temperature ranging from 85° C. to 100° C.Type: GrantFiled: March 1, 2011Date of Patent: July 22, 2014Assignee: Basell Poliolefine Italia S.r.l.Inventors: Claudio Cavalieri, Fiorella Pradella, Monica Galvan
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Patent number: 8735497Abstract: A propylene composition comprising (percent by weight): A) 60%-95%, of a crystalline propylene copolymer containing from 2.0% to 10.0% of ethylene derived units having a melting point ranging from 148° C. to 160° C.; wherein the melting temperature Tm is measured by DSC on the as-reactor polymer; B) 40%-5%, of a copolymer of ethylene containing from 70% to 85%, of ethylene derived units intrinsic viscosity ranging from 0.8 to 3 dl/g.Type: GrantFiled: October 4, 2010Date of Patent: May 27, 2014Assignee: Basell Poliolefine Italia S.r.l.Inventors: Claudio Cavalieri, Fiorella Pradella, Monica Galvan
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Publication number: 20140134911Abstract: A propylene and 1-hexene copolymer containing from 0.5 wt % to less than 5 wt % of 1-hexene derived units said copolymer having: a) a melting point higher than 145° C.; b) a melt flow rate (MFR2) determined according to ISO method 1133 (230° C., 2.16 kg ranging from 10 dl/10 min to less than 60 dl/10 min; said copolymer being chemically degradated to MFR2 and wherein the ratio MFR2/MFR1 is comprised between 15 and 56; wherein MFR1 is the melt flow rate measured according to ISO method 1133 (230° C., 2.Type: ApplicationFiled: July 6, 2012Publication date: May 15, 2014Applicant: Basell Poliolefine Italia S.r.l.Inventors: Claudio Cavalieri, Monica Calvan, Fiorella Pradella
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Publication number: 20130030137Abstract: A propylene/ethylene/1-hexene terpolymer containing from 1.0 wt% to 2.5 wt %, of ethylene derived units and from 2.0 wt % to 4.0 wt % of 1-hexene derived units, the sum of the amounts of propylene, ethylene and 1-.hexene derived units being 100, having the following features: a) the amount (Wt %) of 1-hexene (C6) and the amount (Wt %) of ethylene (C2) fulfil the following relation: C2<?0.18C6+2.86; b) Polydispersity index (PI) ranging from 2 to 10; c) melting temperature ranging from 125° C., to 139° C.; d) solubility in xylene at 25° C. below 10 wt %; e) melt index (MFR) of from 4 to 6 g/10? dg/min, according to ISO method 1133; and f) crystallization temperature ranging from 85° C. to 100° C.Type: ApplicationFiled: March 1, 2011Publication date: January 31, 2013Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: Claudio Cavalieri, Fiorella Pradella, Monica Galvan
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Publication number: 20120245260Abstract: Polyolefin composition for membrane suitable for use in waterproofing applications. In particular, the present invention relates to a membrane for use in geomembranes, for water containment and conveyance, pool liners, rainstorm and fish pond liners, snow lagoons, water and industrial reservoirs, food related lining etc. Such membrane comprises at least one layer comprising an heterophasic composition of olefin polymers and a specified additives package.Type: ApplicationFiled: December 16, 2010Publication date: September 27, 2012Applicant: BASELL POLIOLEFINE ITALIA, S.R.L.Inventors: Luca Lunghi, Fiorella Pradella, Ambra Montaletti, Enrico Costantini
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Publication number: 20120220726Abstract: A propylene composition comprising (percent by weight): A) 60%-95%, of a crystalline propylene copolymer containing from 2.0% to 10.0% of ethylene derived units having a melting point ranging from 148° C. to 160° C.; wherein the melting temperature Tm is measured by DSC on the as-reactor polymer; B) 40%-5%, of a copolymer of ethylene containing from 70% to 85%, of ethylene derived units intrinsic viscosity ranging from 0.8 to 3 dl/g.Type: ApplicationFiled: October 4, 2010Publication date: August 30, 2012Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: Claudio Cavalieri, Fiorella Pradella, Monica Galvan
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Patent number: 8153714Abstract: A process for producing polyolefin articles comprising an ethylene-vinyl alcohol copolymer, wherein the polyolefin component is melted and mixed with the ethylene-vinyl alcohol copolymer in the presence of a stabilizing composition comprising: a) one or more acid scavengers in amounts equal to or higher than 300 ppm by weight with respect to the weight of the polyolefin component; and b) one or more phenolic antioxidants in amounts equal to or higher than 1100 ppm by weight with respect to the weight of the polyolefin component.Type: GrantFiled: November 7, 2006Date of Patent: April 10, 2012Assignee: Basell Poliolefine Italia S.R.L.Inventors: Fiorella Pradella, Piet Roose
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Patent number: 7947348Abstract: Polypropylene compositions, particularly suited for preparation of stretched/oriented articles, especially for injection stretch blow moulded bottles, comprising: A) one or more propylene homopolymers or propylene copolymers or their mixtures; B) from 500 to about 1500 ppm by weight of talc in form of particles having average particle diameter of equal to or less than 1.5 ?m. Said compositions display higher crystallization temperature with respect to the same polyolefin (A) without addition of (B), while keeping good levels of transparency, particularly when (A) is or comprises a random polymer.Type: GrantFiled: December 15, 2006Date of Patent: May 24, 2011Assignee: Basell Poliolefine Italia, s.r.l.Inventors: Fiorella Pradella, Pierre-Alain Weiss, Claudio Cavalieri, Gabriella Sartori
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Publication number: 20100266797Abstract: A process for producing polyolefin articles comprising an ethylene-vinyl alcohol copolymer, wherein the polyolefin component is melted and mixed with the ethylene-vinyl alcohol copolymer in the presence of a stabilizing composition comprising: a) one or more acid scavengers in amounts equal to or higher than 300 ppm by weight with respect to the weight of the polyolefin component; and b) one or more phenolic antioxidants in amounts equal to or higher than 1100 ppm by weight with respect to the weight of the polyolefin component.Type: ApplicationFiled: November 7, 2006Publication date: October 21, 2010Applicant: Basell Poliolefine Italia s.r.l.Inventors: Fiorella Pradella, Piet Roose
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Publication number: 20100233399Abstract: Polypropylene compositions, particularly suited for preparation of stretched/oriented articles, especially for injection stretch blow moulded bottles, comprising: A) one or more propylene homopolymers or propylene copolymers or their mixtures; B) from 500 to about 1500 ppm by weight of talc in form of particles having average particle diameter of equal to or less than 1.5 ?m. Said compositions display higher crystallization temperature with respect to the same polyolefin (A) without addition of (B), while keeping good levels of transparency, particularly when (A) is or comprises a random polymer.Type: ApplicationFiled: December 15, 2006Publication date: September 16, 2010Applicant: Basell Poliolefine Italia s.r.l.Inventors: Fiorella Pradella, Pierre-Alain Weiss, Claudio Cavalieri, Gabriella Sartori
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Publication number: 20100160540Abstract: Use of propylene polymers having Polydispersity Index value P.I.(2) greater than or equal to 15 for the nucleation of polypropylene resins having a Polydispersity Index value P.I.(1) fulfilling the equation P.I.(2)?P.I.(1)?10.Type: ApplicationFiled: July 21, 2006Publication date: June 24, 2010Applicant: Basell Poliolefine Italia s.r.l.Inventors: Claudio Cavalieri, Fiorella Pradella
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Publication number: 20080119606Abstract: Compositions of additives for plastics comprising the following components (percent by weight): A) from 1% to 25% of a polyolefin matrix comprising one or more polyolefins having a melting point of 160° C. or less, said melting point being determined by differential scanning calorimetry (DSC), according to ISO 11357; B) from 75% to 99% of one or more solid additives for polymers.Type: ApplicationFiled: December 13, 2005Publication date: May 22, 2008Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: Decio Malucelli, Marco Consalvi, Fiorella Pradella, Anna Fait