Patents by Inventor Camillo Cagnani
Camillo Cagnani 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: 10150828Abstract: The present invention relates to a process for producing a propylene terpolymer comprising comonomer units derived from ethylene and from one alpha-olefin selected from the group of C4-C8 alpha-olefins and being characterized by a total content of comonomer units not less than 8% wt and a value of the ratio of ethylene to the C4-C8 alpha-olefins ranging from 0.1 to 0.8, said process being carried out in a gas-phase reactor comprising two interconnected polymerization zones. The present invention further relates to the propylene terpolymer obtained by said process particularly suitable to be used as films such as cast films, bi- or mono-oriented films and heat-sealable films having good optical properties and excellent sealing properties combined with good shrinkage properties and softness.Type: GrantFiled: July 29, 2008Date of Patent: December 11, 2018Assignee: Basell Poliolefine Italia S.r.l.Inventors: Claudio Cavalieri, Camillo Cagnani, Alessandro Guidicini
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Patent number: 9145495Abstract: Propylene homopolymers or copolymers containing up to 5.0 wt % of alpha-olefin units having from 2 to 8 carbon atoms other than propylene, characterized in that said propylene homopolymers or copolymers have Polydispersity Index value higher than 15, Melt Strength higher than 1.50 cN at 230° C. and Melt Flow Rate (ISO1133, 230° C./2.16 Kg) from 0.01 to 20 g/10 min.Type: GrantFiled: June 26, 2006Date of Patent: September 29, 2015Assignee: Basell Poliolefine Italia S.r.l.Inventors: Camillo Cagnani, Piet Roose, Cees Besems
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Patent number: 8178632Abstract: Propylene polymers having specific values of total comonomer content and melting temperature, articles obtained therefrom, in particular extrusion blow molded articles, and gas-phase process for obtaining said propylene polymers.Type: GrantFiled: June 18, 2007Date of Patent: May 15, 2012Assignee: Basell Poliolefine Italia, s.r.l.Inventors: Claudio Cavalieri, Enrico Beccarini, Camillo Cagnani
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Patent number: 8129490Abstract: A propylene polymer composition having a Flexural modulus lower than 500 MPa, a total ethylene content from 9 to 30% by weight, a xylene soluble fraction at room temperature higher than 25% by weight, a melting temperature measured by DSC (Tm° C.) from 130 to 150° C. and a ratio between the weight of xylene soluble fraction at 25° C. and the hexane soluble fraction determined on plaque (100 ?m) of higher than 4.Type: GrantFiled: May 16, 2008Date of Patent: March 6, 2012Assignee: Basell Poliolefine Italia S.R.L.Inventors: Camillo Cagnani, Enrico Beccarini, Claudio Cavalieri
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Patent number: 7981982Abstract: A process for the preparation of a propylene copolymer composition having a Flexural modulus lower than 500 MPa, a total ethylene content higher than 9% and a Xylene soluble fraction at room temperature higher than 20% comprising at least one polymerization step carried out in a gas-phase polymerization reactor comprising at least two interconnected polymerization zones said process being characterized by the fact that at least 30% by weight of said xylene soluble fraction is produced in the polymerization step carried out in a gas-phase polymerization reactor comprising at least two interconnected polymerization zones.Type: GrantFiled: May 7, 2008Date of Patent: July 19, 2011Assignee: Basell Poliolefine Italia s.r.l.Inventors: Camillo Cagnani, Enrico Beccarini, Claudio Cavalieri
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Patent number: 7816466Abstract: A propylene polymer composition comprising (weight percentages being referred to the sum of A+B): (A) 75-95% by weight of a copolymer of propylene comprising from 0.5 to 3.0 mole % of comonomer units derived from ethylene and/or C4-C8 alpha-olefins; and (B) 5-25% by weight of a copolymer of propylene comprising from 25 to 45 mole % of ethylene units, said propylene polymer composition having a melt flow rate value according to ISO 1133 (230° C., 2.16 Kg) of from 20 to 40 g/10 min.Type: GrantFiled: January 20, 2006Date of Patent: October 19, 2010Assignee: Basell Poliolefine Italia s.r.l.Inventors: Camillo Cagnani, Roberta Marzolla
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Publication number: 20100137505Abstract: The present invention relates to a process for producing a propylene terpolymer comprising comonomer units derived from ethylene and from one alpha-olefin selected from the group of C4-C8 alpha-olefins and being characterized by a total content of comonomer units not less than 8% wt and a value of the ratio of ethylene to the C4-C8 alpha-olefins ranging from 0.1 to 0.8, said process being carried out in a gas-phase reactor comprising two interconnected polymerization zones. The present invention further relates to the propylene terpolymer obtained by said process particularly suitable to be used as films such as cast films, bi- or mono-oriented films and heat-sealable films having good optical properties and excellent sealing properties combined with good shrinkage properties and softness.Type: ApplicationFiled: July 29, 2008Publication date: June 3, 2010Inventors: Claudio Cavalieri, Camillo Cagnani, Alessandro Guidicini
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Publication number: 20100130691Abstract: A propylene polymer composition having a Flexural modulus lower than 500 MPa, a total ethylene content from 9 to 30% by weight, a xylene soluble fraction at room temperature higher than 25% by weight, a melting temperature measured by DSC (Tm° C.) from 130 to 150° C. and a ratio between the weight of xylene soluble fraction at 25° C. and the hexane soluble fraction determined on plaque (100 ?m) of higher than 4.Type: ApplicationFiled: May 16, 2008Publication date: May 27, 2010Applicant: Basell Poliolefine Italia s.r.l.Inventors: Camillo Cagnani, Enrico Beccarini, Claudio Cavalieri
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Publication number: 20100121000Abstract: A process for the preparation of a propylene copolymer composition having a Flexural modulus lower than 500 MPa, a total ethylene content higher than 9% and a Xylene soluble fraction at room temperature higher than 20% comprising at least one polymerization step carried out in a gas-phase polymerization reactor comprising at least two interconnected polymerization zones said process being characterized by the fact that at least 30% by weight of said xylene soluble fraction is produced in the polymerization step carried out in a gas-phase polymerization reactor comprising at least two interconnected polymerization zones.Type: ApplicationFiled: May 7, 2008Publication date: May 13, 2010Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: Camillo Cagnani, Enrico Beccarini, Glaudio Cavalieri
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Publication number: 20090306298Abstract: A propylene polymer composition comprising (weight percentages being referred to the sum of A+B): A propylene polymer composition comprising (weight percentages being referred to the sum of A+B): (A) 60-90% by weight of a copolymer of propylene with ethylene containing less than 2.5% wt of ethylene units; and (B) 10-40% by weight of a copolymer of propylene comprising from 15 to 35% wt of ethylene units, said polymer composition having a melt flow rate value according to ISO 1133 (230° C., 2.16 Kg) of less than 10 g/10 min.Type: ApplicationFiled: March 23, 2006Publication date: December 10, 2009Applicant: Basell Poliolefine Italia s.r.l.Inventors: Camillo Cagnani, Claudio Cavalieri, Roberta Marzolla
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Patent number: 7572860Abstract: Articles, in particular non-pressure mono- or multi-layer pipes, prepared by extrusion, molding and combination thereof, comprising a heterophasic polyolefin composition comprising (1) 65-95% of a crystalline propylene polymer insoluble in xylene at ambient temperature in an amount over 85% and having a polydispersity index ranging from 4 to 13 and an intrinsic viscosity value ([?]1) of over 2.2 dl/g, and (2) 5-35% of an elastomeric olefin polymer of ethylene with a C3-C10 ?-olefin having an ethylene content ranging from 15 to 85% and an intrinsic viscosity value ([?]2) of at least 1.4 g/ml. The [?]1/[?]2 ratio ranging from 0.45 to 1.6. The articles typically have modulus of elasticity in tension higher than 2000 MPa. The invention also relates to the said heterophasic polyolefin composition and an extrusion process for producing the said articles.Type: GrantFiled: July 22, 2004Date of Patent: August 11, 2009Assignee: Basell Poliolefine Italia s.r.l.Inventors: Roberto De Palo, Paola Massari, Camillo Cagnani
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Publication number: 20090192271Abstract: Propylene polymers having specific values of total comonomer content and melting temperature, articles obtained therefrom, in particular extrusion blow molded articles, and gas-phase process for obtaining said propylene polymers.Type: ApplicationFiled: June 18, 2007Publication date: July 30, 2009Applicant: Basell Poliolefine Italia s.r.l.Inventors: Claudio Cavalieri, Enrico Beccarini, Camillo Cagnani
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Publication number: 20090030098Abstract: Propylene homopolymers or copolymers containing up to 5.0 wt % of alpha-olefin units having from 2 to 8 carbon atoms other than propylene, characterized in that said propylene homopolymers or copolymers have Polydispersity Index value higher than 15, Melt Strength higher than 1.50 cN at 230° C. and Melt Flow Rate (ISO1133, 230° C./2.16 Kg) from 0.01 to 20 g/10 min.Type: ApplicationFiled: June 26, 2006Publication date: January 29, 2009Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: Camillo Cagnani, Piet Roose, Cees Besems
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Publication number: 20080090982Abstract: A propylene polymer composition comprising (weight percentages being referred to the sum of A+B): (A) 75-95% by weight of a copolymer of propylene comprising from 0.5 to 3.0 mole % of comonomer units derived from ethylene and/or C4-C8 alpha-olefins; and (B) 5-25% by weight of a copolymer of propylene comprising from 25 to 45 mole % of ethylene units, said propylene polymer composition having a melt flow rate value according to ISO 1133 (230° C., 2.16 Kg) of from 20 to 40 g/10 min.Type: ApplicationFiled: January 20, 2006Publication date: April 17, 2008Applicant: Basell Poliolefine italia s.r.il.Inventors: Camillo Cagnani, Roberta Marzolla
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Publication number: 20070117932Abstract: Articles, in particular non-pressure mono- or multi-layer pipes, prepared by extrusion, moulding and combination thereof, comprising a heterophasic polyolefin composition comprising (1) 65-95% of a crystalline propylene polymer insoluble in xylene at ambient temperature in an amount over 85% and having a polydispersity index ranging from 4 to 13 and an intrinsic viscosity value ([?]1) of over 2.2 dl/g, and (2) 5-35% of an elastomeric olefin polymer of ethylene with a C3-C10 ?-olefin having an ethylene content ranging from 15 to 85% and an intrinsic viscosity value ([?]2) of at least 1.4 g/ml. The [?]1/[?]2 ratio ranging from 0.45 to 1.6. The articles typically have modulus of elasticity in tension higher than 2000 MPa. The invention also relates to the said heterophasic polyolefin composition and an extrusion process for producing the said articles.Type: ApplicationFiled: July 22, 2004Publication date: May 24, 2007Applicant: Basell Poliolefine Italia s.r.l.Inventors: Roberto De Palo, Paola Massari, Camillo Cagnani
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Publication number: 20060047071Abstract: Polyolefin compositions comprising (percent by weight): 1) 55%-90% of a crystalline propylene homopolymer or copolymer containing up to 15% of ethylene and/or C4-C10 ?-olefin(s); 2) 10%- 45% of a blend of a copolymer of propylene with more than 15% up to 40% of ethylene (copolymer (a)), and a copolymer of ethylene with one or more C4-C10 ?-olefin(s) containing from 10% to 40% of said C4-C10 ?-olefin(s) (copolymer (b)), wherein the weight ratio (a)/(b) is from 1/4 to 4/1.Type: ApplicationFiled: December 11, 2002Publication date: March 2, 2006Inventors: Anteo Pelliconi, Camillo Cagnani
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Patent number: 5972486Abstract: Stretchable multilayer films in which at least one layer comprises:a) a linear low density polyethylene (LLDPE),b) a copolymer of propylene with ethylene and/or with one or more .alpha.-olefins CH.sub.2 .dbd.CHR.sup.I, in which R.sup.I is an alkyl radical having from 2 to 10 carbon atoms, this copolymer being of relatively high insolubility in xylene; andc) a low density polyethylene (LDPE).The said films, which have improved optical and mechanical properties, are particularly suitable for use in the packaging sector.Type: GrantFiled: November 12, 1996Date of Patent: October 26, 1999Assignee: Montell Technology Company b.v.Inventors: Claudio Cometto, Gianni Perdomi, Camillo Cagnani
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Patent number: 5455303Abstract: Disclosed is a polymer composition of (A) a polyolefin composition consisting essentially of (i) a linear low density polyethylene and (ii) a copolymer of propylene with ethylene and/or a C.sub.4 -C.sub.8 .alpha.-olefin, where R is an alkyl radical having 2 to 10 carbon atoms and (B) a low density polyethylene.Type: GrantFiled: June 20, 1994Date of Patent: October 3, 1995Assignee: Montell North America Inc.Inventors: George Panagopoulos, Jr., Camillo Cagnani, Claudio Cometto